FreeCalypso > hg > freecalypso-sw
view gsm-fw/L1/cfile/l1_async.c @ 1033:5ab737ac3ad7
TCH special feature documentation update
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Wed, 01 Jun 2016 02:06:44 +0000 |
| parents | a8121805b6d0 |
| children |
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/************* Revision Controle System Header ************* * GSM Layer 1 software * L1_ASYNC.C * * Filename l1_async.c * Copyright 2003 (C) Texas Instruments * ************* Revision Controle System Header *************/ //#pragma DUPLICATE_FOR_INTERNAL_RAM_START #include "config.h" #include "l1_confg.h" #include "l1_macro.h" //#pragma DUPLICATE_FOR_INTERNAL_RAM_END #if !((MOVE_IN_INTERNAL_RAM == 1) && (GSM_IDLE_RAM !=0)) // MOVE TO INTERNAL MEM IN CASE GSM_IDLE_RAM enabled //#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_START // KEEP IN EXTERNAL MEM otherwise #define L1_ASYNC_C //#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END // KEEP IN EXTERNAL MEM otherwise #endif //#pragma DUPLICATE_FOR_INTERNAL_RAM_START #if (CODE_VERSION == SIMULATION) #include <string.h> #include "l1_types.h" #include "sys_types.h" #include "l1_const.h" #include "l1_signa.h" #include "cust_os.h" #if TESTMODE #include "l1tm_defty.h" #include "l1tm_signa.h" #endif #if (AUDIO_TASK == 1) #include "l1audio_const.h" #include "l1audio_cust.h" #include "l1audio_defty.h" #endif #if (L1_GTT == 1) #include "l1gtt_const.h" #include "l1gtt_defty.h" #endif #if (L1_MP3 == 1) #include "l1mp3_defty.h" #endif #if (L1_MIDI == 1) #include "l1midi_proto.h" #include "l1midi_defty.h" #endif //ADDED FOR AAC #if (L1_AAC == 1) #include "l1aac_defty.h" #endif #if (L1_DYN_DSP_DWNLD == 1) #include "l1_dyn_dwl_signa.h" #endif #include "l1_defty.h" #include "l1_msgty.h" #include "l1_varex.h" #include "l1_proto.h" #include "l1_mftab.h" #if L1_GPRS #include "l1p_mfta.h" #include "l1p_msgt.h" #include "l1p_cons.h" #include "l1p_deft.h" #include "l1p_vare.h" #include "l1p_sign.h" #endif #include "l1_tabs.h" #if (VCXO_ALGO == 1) #include "l1_ctl.h" #endif #if L2_L3_SIMUL #include "hw_debug.h" #endif #else #include <string.h> #include "l1_types.h" #include "sys_types.h" #include "l1_const.h" #include "l1_time.h" #include "l1_signa.h" #include "../../gpf/inc/cust_os.h" #if TESTMODE #include "l1tm_defty.h" #include "l1tm_signa.h" #endif #if (AUDIO_TASK == 1) #include "l1audio_const.h" #include "l1audio_cust.h" #include "l1audio_defty.h" #include "l1audio_signa.h" #endif #if (L1_GTT == 1) #include "l1gtt_const.h" #include "l1gtt_defty.h" #endif #if (L1_MP3 == 1) #include "l1mp3_defty.h" #include "l1mp3_signa.h" #endif #if (L1_MIDI == 1) #include "l1midi_proto.h" #include "l1midi_defty.h" #endif //ADDED FOR AAC #if (L1_AAC == 1) #include "l1aac_defty.h" #include "l1aac_signa.h" #endif #if (L1_DYN_DSP_DWNLD == 1) #include "l1_dyn_dwl_signa.h" #endif #include "l1_defty.h" #include "l1_msgty.h" #include "l1_varex.h" #include "l1_proto.h" #include "l1_mftab.h" #if L1_GPRS #include "l1p_mfta.h" #include "l1p_msgt.h" #include "l1p_cons.h" #include "l1p_deft.h" #include "l1p_vare.h" #include "l1p_sign.h" #endif #include "l1_tabs.h" #if L1_RECOVERY #if ((CHIPSET == 12) || (CHIPSET == 15)) #include "sys_inth.h" #else #include "../../bsp/iq.h" #include "../../bsp/inth.h" #include "../../bsp/mem.h" #endif #endif #if (VCXO_ALGO == 1) #include "l1_ctl.h" #endif #if L2_L3_SIMUL #include "hw_debug.h" #endif #if (OP_L1_STANDALONE == 1) #include "dynamic_clock.h" #endif #endif // External function prototypes extern void l1ctl_gauging (UWORD32 nb_32khz, UWORD32 nb_hf); extern void l1_tpu_init_light(void); extern void tm_receive(UWORD8 *inbuf, UWORD16 size); #if L1_RECOVERY extern void l1_initialize_for_recovery(void); #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) extern void l1_trace_recovery(void); #endif #endif #if (L1_GTT == 1) extern void l1a_mmi_gtt_process (xSignalHeaderRec *msg); #endif #if(L1_DYN_DSP_DWNLD == 1) extern void l1a_dyn_dsp_dwnld_process(xSignalHeaderRec *msg); #endif #if (AUDIO_TASK == 1) /**************************************/ /* External audio prototypes */ /**************************************/ #if (OP_RIV_AUDIO == 1) #if (L1_AUDIO_DRIVER == 1) // driver task extern void l1a_audio_driver_process (xSignalHeaderRec *msg); #endif #endif #if (KEYBEEP) // Keybeep task process extern void l1a_mmi_keybeep_process (xSignalHeaderRec *msg); #endif #if (TONE) // Keybeep task process extern void l1a_mmi_tone_process (xSignalHeaderRec *msg); #endif #if (L1_CPORT == 1) // Cport task process extern void l1a_mmi_cport_process (xSignalHeaderRec *msg); #endif #if (MELODY_E1) // Melody 0 task process extern void l1a_mmi_melody0_process (xSignalHeaderRec *msg); // Melody 1 task process extern void l1a_mmi_melody1_process (xSignalHeaderRec *msg); #endif #if (VOICE_MEMO) // Voice memo playing process extern void l1a_mmi_vm_playing_process (xSignalHeaderRec *msg); // Voice memo recording process extern void l1a_mmi_vm_recording_process (xSignalHeaderRec *msg); #endif #if (L1_PCM_EXTRACTION) /* PCM download process */ void l1a_mmi_pcm_download_process (xSignalHeaderRec *msg); /* PCM upload process */ void l1a_mmi_pcm_upload_process (xSignalHeaderRec *msg); #endif #if (L1_VOICE_MEMO_AMR) // Voice memo amr playing process extern void l1a_mmi_vm_amr_playing_process (xSignalHeaderRec *msg); // Voice memo amr recording process extern void l1a_mmi_vm_amr_recording_process(xSignalHeaderRec *msg); #endif #if (SPEECH_RECO) // Speech recognition enrollment process extern void l1a_mmi_sr_enroll_process (xSignalHeaderRec *msg); // Speech recognition update process extern void l1a_mmi_sr_update_process (xSignalHeaderRec *msg); // Speech recognition reco process extern void l1a_mmi_sr_reco_process (xSignalHeaderRec *msg); // Speech recognition update-check process extern void l1a_mmi_sr_update_check_process (xSignalHeaderRec *msg); #endif #if (L1_AEC == 1) // AEC process extern void l1a_mmi_aec_process (xSignalHeaderRec *msg); #endif #if (L1_AEC == 2) // AEC process extern void l1a_mmi_aec_process (xSignalHeaderRec *msg); #endif #if (FIR) // FIR process extern void l1a_mmi_fir_process (xSignalHeaderRec *msg); #endif #if (AUDIO_MODE) // AUDIO MODE process extern void l1a_mmi_audio_mode_process (xSignalHeaderRec *msg); #endif #if (MELODY_E2) extern void l1a_mmi_melody0_e2_process (xSignalHeaderRec *msg); extern void l1a_mmi_melody1_e2_process (xSignalHeaderRec *msg); #endif #if (L1_MP3 == 1) extern void l1a_mmi_mp3_process (xSignalHeaderRec *msg); #endif //ADDED FOR AAC #if (L1_AAC == 1) extern void l1a_mmi_aac_process (xSignalHeaderRec *msg); #endif #if (L1_EXTERNAL_AUDIO_VOICE_ONOFF == 1 || L1_EXT_MCU_AUDIO_VOICE_ONOFF == 1) extern void l1a_mmi_audio_onoff_process (xSignalHeaderRec *msg); #endif #if (L1_EXT_AUDIO_MGT == 1) // External audio_mgt task process extern void l1a_mmi_ext_audio_mgt_process (xSignalHeaderRec *msg); #endif #if (L1_ANR == 1 || L1_ANR == 2) extern void l1a_mmi_anr_process (xSignalHeaderRec *msg); #endif #if (L1_IIR == 1 || L1_IIR == 2) extern void l1a_mmi_iir_process (xSignalHeaderRec *msg); #endif #if (L1_WCM == 1) extern void l1a_mmi_wcm_process (xSignalHeaderRec *msg); #endif #if (L1_AGC_UL == 1) extern void l1a_mmi_agc_ul_process (xSignalHeaderRec *msg); #endif #if (L1_AGC_DL == 1) extern void l1a_mmi_agc_dl_process (xSignalHeaderRec *msg); #endif #if (L1_DRC == 1) extern void l1a_mmi_drc_process (xSignalHeaderRec *msg); #endif #if (L1_LIMITER == 1) extern void l1a_mmi_limiter_process (xSignalHeaderRec *msg); #endif #if (L1_ES == 1) extern void l1a_mmi_es_process (xSignalHeaderRec *msg); #endif #if (L1_VOCODER_IF_CHANGE == 1) extern void l1a_mmi_vocoder_cfg_process (xSignalHeaderRec *msg); #endif //VOCODER_IF_CHANGE == 1 #if(L1_BT_AUDIO ==1) extern void l1a_mmi_bt_process(xSignalHeaderRec *msg); #endif extern void l1a_mmi_outen_cfg_process (xSignalHeaderRec *msg); #endif #if(L1_CHECK_COMPATIBLE == 1) extern void l1a_checkmsg_compatibility (xSignalHeaderRec *msg); #endif #if TESTMODE void l1a_tmode(xSignalHeaderRec *msg); #if (OP_L1_STANDALONE == 0) typedef void (*TM_CALLBACK_FUNC)(UWORD8*, UWORD16); extern int etm_register(char name[], int mid, int task_id, UWORD16 addr_id, TM_CALLBACK_FUNC callback); #endif #endif #if L1_GPRS void l1pa_task(xSignalHeaderRec *msg); #endif #if (TRACE_TYPE == 1) ||(TRACE_TYPE == 4) || (TRACE_TYPE == 7) || (TESTMODE) #include "l1_trace.h" extern T_RVT_USER_ID tm_trace_user_id; extern void l1_trace_configuration(T_RVT_BUFFER trace_msg, UINT16 trace_msg_size); #endif //#pragma DUPLICATE_FOR_INTERNAL_RAM_END #if (TRACE_TYPE == 1) ||(TRACE_TYPE == 4) || (TRACE_TYPE == 7) || (TESTMODE) T_RVT_USER_ID tm_trace_user_id; #endif #if !((MOVE_IN_INTERNAL_RAM == 1) && (GSM_IDLE_RAM !=0)) // MOVE TO INTERNAL MEM IN CASE GSM_IDLE_RAM enabled //#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_START // KEEP IN EXTERNAL MEM otherwise /*-------------------------------------------------------*/ /* l1a_task() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* L1A (Layer 1 Asynchronous) task function. This */ /* function manages the interface between L3 and L1. It */ /* is composed with a set of state machine, each machine */ /* handles a particular GSM functionality. When a */ /* message is received in L1_C1 message queue, it is */ /* submitted to every state machine. The one which are */ /* impacted by the message process it. At the end of */ /* "l1a_task()" function, a balance routine is called, */ /* it enables L1S tasks consequently to the state machine*/ /* requests. */ /* */ /*-------------------------------------------------------*/ void l1a_task(UWORD32 argc, void *argv) { xSignalHeaderRec *msg; #if (TRACE_TYPE == 7) rvt_register_id("L1", &trace_info.l1_trace_user_id, (RVT_CALLBACK_FUNC)NULL); #endif #if ((TESTMODE) && (CODE_VERSION != SIMULATION)) // Testmode register for UART TX only in standalone L1 #if (OP_L1_STANDALONE == 0) // Register the tm_receive func. as the TM3 packet receptor in the ETM database etm_register("TML1", 0x0, 0, 0, tm_receive); // 0x00 = use of TM3 Signalling PC<->MS #else rvt_register_id("TM", &tm_trace_user_id, tm_receive); #endif // End of OP_L1_STANDALONE #endif // End of TESTMODE && (CODE_VERSION != SIMULATION) #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) // Enable auto-test HW in order to trace versions trace_info.init_trace = 1; l1a_l1s_com.l1s_en_task[HWTEST] = TASK_ENABLED; l1a_l1s_com.l1a_activity_flag = TRUE; #endif while(1) /*************************************************************/ /* LOOP on L1A message queue... */ /*************************************************************/ { UWORD8 process; /***********************************************/ /* Wait for a new message from RRM1 or L1S */ /***********************************************/ msg = os_receive_sig(L1C1_QUEUE); DEBUGMSG(status,NU_RCVE_QUEUE_ERR) // Reset "l1_msg_forwarded" flag for this new incoming msg. // ======================================================== l1a.l1_msg_forwarded = FALSE; #if (TRACE_TYPE==1) || (TRACE_TYPE==4) || (TRACE_TYPE==7) l1_trace_message(msg); #endif #if(L1_CHECK_COMPATIBLE == 1) l1a_checkmsg_compatibility(msg); #endif #if (DRP_FW_EXT == 1) if(!l1s.boot_result) { #endif /* DRP_FW_EXT*/ #if (GSM_IDLE_RAM <= 1) #if TESTMODE // if NOT in TestMode, go through normal mode processes if (l1_config.TestMode == 0) { #endif #if(L1_DYN_DSP_DWNLD==1) // Dynamic download L1A state machine l1a_dyn_dsp_dwnld_process(msg); #endif #if L1_GPRS // Pass the new msg to packet L1A. l1pa_task(msg); #endif #if TESTMODE } #endif #endif #if (GSM_IDLE_RAM != 0) #if L1_GPRS if ((msg->SignalCode != L1C_NP_INFO) && (msg->SignalCode != L1C_EP_INFO) && (msg->SignalCode != L1C_RXLEV_PERIODIC_DONE) && (msg->SignalCode != L1P_PNP_INFO) && (msg->SignalCode != L1P_PEP_INFO) && (l1a_l1s_com.mode == I_MODE)) #else if ((msg->SignalCode != L1C_NP_INFO) && (msg->SignalCode != L1C_EP_INFO) && (msg->SignalCode != L1C_RXLEV_PERIODIC_DONE) && (l1a_l1s_com.mode == I_MODE)) #endif #if (GSM_IDLE_RAM > 1) // GPF modified for GSM_IDLE_RAM -> SW still running in Internal RAM { #endif { l1s.gsm_idle_ram_ctl.l1s_full_exec = TRUE; } #endif // GSM_IDLE_RAM // Clear L1A "enable meas and tasks" variables. //--------------------------------------------- for(process=0; process<NBR_L1A_PROCESSES; process++) { l1a.l1a_en_meas[process] = NO_TASK; } // Go through all processes... /******************************/ #if TESTMODE // if NOT in TestMode, go through normal mode processes if (l1_config.TestMode == 0) { #endif // Hardware test: //--------------- l1a_test_process(msg); #if (OP_L1_STANDALONE == 1) // Dynamic configuration : clock management for test l1a_test_config_process(msg); #endif #if (TRACE_TYPE==3) // Statistics or Test process: //--------------------------- l1a_stats_process(msg); #endif // ADC conversion: //---------------- l1a_mmi_adc_req(msg); // Frequency Band configuration: GSM900, E-GSM900, DCS1800, DUAL, DUALEXT, PCS 1900 //---------------------------------------------------------------------------------- l1a_freq_band_configuration(msg); // Network synchronization process: //--------------------------------- // Synchronization with a Neighbour cell for Cell Selection. l1a_initial_network_sync_process(msg); // lost Network l1a_network_lost(msg); // Cell Selection/Idle processes: //------------------------------- // Full list receive level monitoring. l1a_full_list_meas_process(msg); // 6 strongest Neighbor cells synchro. monitoring. l1a_idle_6strongest_monitoring_process(msg); // 6 strongest Neighbor cells BCCH reading. l1a_neighbour_cell_bcch_reading_process(msg); // Serving Cell BCCH reading. l1a_idle_serving_cell_bcch_reading_process(msg); #if (GSM_IDLE_RAM <= 1) // Serving Cell PAGING reading. l1a_idle_serving_cell_paging_process(msg); #endif // Short Message Servive Cell Broadcast reading. l1a_idle_smscb_process(msg); #if (GSM_IDLE_RAM <= 1) // BA list (periodic) power monitoring. l1a_idle_ba_list_meas_process(msg); #endif // Cell Reselection processes: //---------------------------- // Synchronization and requested BCCH reading. // --> camp on new serving cell. l1a_cres_process(msg); // Connection Establishment processes (also called "Link Access"): //---------------------------------------------------------------- // Link Access process. l1a_access_process(msg); // Dedicated mode processes: //-------------------------- // Dedicated mode process. l1a_dedicated_process(msg); // 6 strongest Neighbor cells synchro. monitoring and BCCH reading. l1a_dedic6_process(msg); // BA list (periodic) power monitoring. l1a_dedic_ba_list_meas_process(msg); #if (L1_GTT == 1) // GTT process handling. l1a_mmi_gtt_process(msg); #endif #if (AUDIO_TASK == 1) #if (OP_RIV_AUDIO == 1) #if (L1_AUDIO_DRIVER == 1) l1a_audio_driver_process(msg); #endif #endif #if (KEYBEEP) // Keybeep task process l1a_mmi_keybeep_process(msg); #endif #if (TONE) // Tone task process l1a_mmi_tone_process(msg); #endif #if (L1_CPORT == 1) // Cport task process l1a_mmi_cport_process(msg); #endif #if (MELODY_E1) // Melody 0 task process l1a_mmi_melody0_process(msg); // Melody 1 task process l1a_mmi_melody1_process(msg); #endif #if (VOICE_MEMO) // Voice memo playing process l1a_mmi_vm_playing_process(msg); // Voice memo recording process l1a_mmi_vm_recording_process(msg); #endif #if (L1_PCM_EXTRACTION) /* PCM download process */ l1a_mmi_pcm_download_process(msg); /* PCM upload process */ l1a_mmi_pcm_upload_process(msg); #endif #if (L1_VOICE_MEMO_AMR) // Voice memo amr playing process l1a_mmi_vm_amr_playing_process(msg); // Voice memo amr recording process l1a_mmi_vm_amr_recording_process(msg); #endif #if (SPEECH_RECO) // Speech recognition enrollment process l1a_mmi_sr_enroll_process(msg); // Speech recognition update process l1a_mmi_sr_update_process(msg); // Speech recognition reco process l1a_mmi_sr_reco_process(msg); // Speech recognition update-check process l1a_mmi_sr_update_check_process(msg); #endif #if (L1_AEC == 1) // AEC process l1a_mmi_aec_process(msg); #endif #if (L1_AEC == 2) // AEC process l1a_mmi_aec_process(msg); #endif #if (FIR) // FIR process l1a_mmi_fir_process(msg); #endif #if (AUDIO_MODE) // AUDIO MODE process l1a_mmi_audio_mode_process(msg); #endif #if (MELODY_E2) // MELODY E2 process l1a_mmi_melody0_e2_process(msg); l1a_mmi_melody1_e2_process(msg); #endif #if (L1_MP3==1) // MP3 process l1a_mmi_mp3_process(msg); #endif #if (L1_MIDI==1) // MIDI process l1a_mmi_midi_process(msg); #endif //ADDED FOR AAC #if (L1_AAC==1) // AAC process l1a_mmi_aac_process(msg); #endif #if (L1_EXTERNAL_AUDIO_VOICE_ONOFF == 1 || L1_EXT_MCU_AUDIO_VOICE_ONOFF == 1) l1a_mmi_audio_onoff_process(msg); #endif #if (L1_EXT_AUDIO_MGT == 1) // External audio_mgt task process l1a_mmi_ext_audio_mgt_process(msg); #endif #if (L1_ANR == 1 || L1_ANR == 2) l1a_mmi_anr_process(msg); #endif #if (L1_IIR == 1 || L1_IIR == 2) l1a_mmi_iir_process(msg); #endif #if (L1_AGC_UL == 1) l1a_mmi_agc_ul_process(msg); #endif #if (L1_AGC_DL == 1) l1a_mmi_agc_dl_process(msg); #endif #if (L1_WCM == 1) l1a_mmi_wcm_process(msg); #endif #if (L1_DRC == 1) l1a_mmi_drc_process(msg); #endif #if (L1_LIMITER == 1) l1a_mmi_limiter_process(msg); #endif #if (L1_ES == 1) l1a_mmi_es_process(msg); #endif #if (L1_VOCODER_IF_CHANGE == 1) l1a_mmi_vocoder_cfg_process(msg); #endif // L1_VOCODER_IF_CHANGE == 1 #if(L1_BT_AUDIO ==1) l1a_mmi_bt_process(msg); #endif // L1_VOCODER_IF_CHANGE == 1 /* * FreeCalypso change: the following call to l1a_mmi_outen_cfg_process() * (a function that doesn't exist in the Leonardo objects) has been * moved inside the #if (AUDIO_TASK == 1) conditional, otherwise * the link fails - it is definitely an audio function of some kind. */ l1a_mmi_outen_cfg_process(msg); #endif //AUDIO TASK // Only processes supported by GSM IDLE in Internal RAM #if (GSM_IDLE_RAM > 1) #if L1_GPRS if ((msg->SignalCode >> 8) == P_GPRS) l1pa_task(msg); #endif // Serving Cell PAGING reading. l1a_idle_serving_cell_paging_process(msg); // BA list (periodic) power monitoring. l1a_idle_ba_list_meas_process(msg); #endif // GSM_IDLE_RAM > 1 #if TESTMODE } // end if not in TestMode //TestMode State Machine l1a_tmode(msg); #endif // TESTMODE // Make a balance for L1A "tasks and meas tasks". //=============================================== l1a_balance_l1a_tasks(); l1a_l1s_com.l1a_activity_flag = TRUE; #if (DRP_FW_EXT == 1) } /* end if DRP boot success boot_result == 0 */ #endif // Deallocate memory for the received message if msg not forwarded to L3. // ---------------------------------------------------------------------- if(l1a.l1_msg_forwarded == FALSE) { os_free_sig(msg); DEBUGMSG(status,NU_DEALLOC_ERR) } } // end while(). } // end of procedure. //----------------------------------------------------------------------------------------------- /*-------------------------------------------------------*/ /* l1a_balance_l1a_tasks() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* This function enables the L1S tasks consequently to */ /* the L1A state machine requests. */ /* */ /*-------------------------------------------------------*/ void l1a_balance_l1a_tasks() { UWORD8 process; UWORD32 l1a_en_meas = 0; #if L1_GPRS UWORD32 l1pa_en_meas = 0; #endif UWORD32 l1a_dl_en_task = 0; for(process=0; process<NBR_L1A_PROCESSES; process++) { // Balance for measurement tasks. l1a_en_meas |= l1a.l1a_en_meas[process]; } #if L1_GPRS for(process=0; process<NBR_L1PA_PROCESSES; process++) { // Balance for measurement tasks. l1pa_en_meas |= l1pa.l1pa_en_meas[process]; } // Balance for Packet measurement tasks. l1pa_l1ps_com.l1ps_en_meas |= l1pa_en_meas; #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_l1tsk(l1pa_en_meas, l1pa.l1pa_en_meas); #endif #endif // Balance for measurement tasks. l1a_l1s_com.l1s_en_meas |= l1a_en_meas; #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_l1tsk(l1a_en_meas, l1a.l1a_en_meas); #endif } // end of procedure. //#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END #endif //----------------------------------------------------------------------------------------------- #if (TRACE_TYPE==3) /*-------------------------------------------------------*/ /* l1a_stats_process() */ /*-------------------------------------------------------*/ /* Description : This function handles statistics */ /* or test mode setting. */ /* */ /* Starting messages: L1_STATS_REQ. */ /* L1_PLAY_REQ. */ /* */ /* Result messages (input): none */ /* Result messages (output): none */ /* Reset messages (input): none */ /* */ /*-------------------------------------------------------*/ void l1a_stats_process(xSignalHeaderRec *msg) { UWORD32 SignalCode = msg->SignalCode; if(SignalCode == L1_STATS_REQ) { // store type of burst to spy... l1_stats.type = ((T_L1_STATS_REQ *)(msg->SigP))->type; // initialize variables and buffer for statistics... initialize_stats(); } } #endif /*-------------------------------------------------------*/ /* l1a_test_process() */ /*-------------------------------------------------------*/ /* Description : This function tests hardware and DSP. */ /* */ /* Starting messages: TST_TEST_HW_REQ */ /* */ /* Result messages (input): TST_TEST_HW_CON */ /* Result messages (output): none */ /* Reset messages (input): none */ /* */ /*-------------------------------------------------------*/ void l1a_test_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_RESULT = 2 }; UWORD8 *state = &l1a.state[HW_TEST]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) if (trace_info.init_trace == 1) { *state = WAIT_RESULT; if(SignalCode == TST_TEST_HW_REQ) { trace_info.init_trace = 0; } } #endif while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset tasks used in the process. l1a_l1s_com.l1s_en_task[HWTEST] = TASK_DISABLED; // Clear task enable flag. } break; case WAIT_INIT: { // Use incoming message //--------------------- if(SignalCode == TST_TEST_HW_REQ) { *state = WAIT_RESULT; // set tasks used in the process. l1a_l1s_com.l1s_en_task[HWTEST] = TASK_ENABLED; // Set task enable flag. } // End of process. end_process = 1; } break; case WAIT_RESULT: { // Use incoming message //--------------------- if(SignalCode == L1_TEST_HW_INFO) { #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) if (trace_info.init_trace == 0) #endif // Forward result message to L3. l1a_send_result(TST_TEST_HW_CON, msg, RRM1_QUEUE); #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) else trace_info.init_trace = 0; #endif *state = RESET; } else { end_process = 1; } } break; } } } #if (OP_L1_STANDALONE == 1) /*-------------------------------------------------------*/ /* l1a_test_config_process() */ /*-------------------------------------------------------*/ /* Description : This function allows modify the original*/ /* initialization of hardware parameters */ /* like for example clock configuration. */ /* */ /* Starting messages: TST_HW_CONFIG_REQ */ /* TST_SW_CONFIG_REQ */ /* */ /* Result messages (input): none */ /* Result messages (output): none */ /* Reset messages (input): none */ /* */ /*-------------------------------------------------------*/ void l1a_test_config_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1 }; UWORD8 *state = &l1a.state[HSW_CONF]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // step in state machine. *state = WAIT_INIT; // Reset tasks used in the process. //l1a_l1s_com.l1s_en_task[HSWCONF] = TASK_DISABLED; // Clear task enable flag. } break; case WAIT_INIT: { if(SignalCode == TST_HW_CONFIG_REQ) /* * Depending on the arguments of the message, * actions are different (clock config, ABB config, ...). * The first argument is for clock configuration. */ { #if (CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || \ (CHIPSET == 11) || (CHIPSET == 12) || (CHIPSET == 15) /* Only SAMSON/CALYPSO families are considered for dynamic clock configuration.*/ UWORD8 d_clock_cfg; // Num of selected clock configuration. /* * Read num of selected clock configuration as first arg of message */ d_clock_cfg = ((T_TST_HW_CONFIG_REQ *)(msg->SigP))->num_of_clock_cfg; /* * Check if dynamic clock configuration requested. * If FFh, no dynamic clock configuration is requested. */ #if (CODE_VERSION != SIMULATION) if (d_clock_cfg != C_CLOCK_NO_CFG) { /* If wrong index, keep the current clock configuration unchanged */ f_dynamic_clock_cfg(d_clock_cfg); } #endif /* Only SAMSON/CALYPSO families are considered for dynamic clock configuration.*/ #endif // CHIPSET = 4 or 7 or 8 or 10 or 11 or 12 // set tasks used in the process. //l1a_l1s_com.l1s_en_task[HSWCONF] = TASK_ENABLED; // Set task enable flag. // step in state machine. *state = RESET; } if(SignalCode == TST_SW_CONFIG_REQ) /* * Depending on the arguments of the message, * actions are different. */ { #if IDS l1_config.ids_enable = ((T_TST_SW_CONFIG_REQ *)(msg->SigP))->ids_enable; #endif l1_config.facch_test.enable = ((T_TST_SW_CONFIG_REQ *)(msg->SigP))->facch_test.enable; l1_config.facch_test.period = ((T_TST_SW_CONFIG_REQ *)(msg->SigP))->facch_test.period; if ((l1_config.facch_test.enable) && (l1_config.facch_test.period == 0)) { l1_config.facch_test.period = 1; } // set tasks used in the process. //l1a_l1s_com.l1s_en_task[HSW_CONF] = TASK_ENABLED; // Set task enable flag. // step in state machine. *state = RESET; } // End of process. end_process = 1; } break; } // end of "switch". } // end of "while" } // end of procedure. #endif // OP_L1_STANDALONE /*-------------------------------------------------------*/ /* l1a_mmi_adc_req () */ /*-------------------------------------------------------*/ /* Description : This function is in charge of requesting*/ /* L1 to trigger an ADC conversion sequence*/ /* */ /* Starting messages: MMI_ADC_REQ */ /* */ /* Result messages (input): none */ /* Result messages (output): none */ /* Reset messages (input): none */ /* */ /*-------------------------------------------------------*/ void l1a_mmi_adc_req(xSignalHeaderRec *msg) { UWORD32 SignalCode = msg->SignalCode; UWORD8 *state = &l1a.state[I_ADC]; enum states { RESET = 0, WAIT_INIT = 1 }; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { l1a_l1s_com.adc_cpt = 0; l1a_l1s_com.adc_mode = ADC_DISABLED; // Disable ADC tasks used in CS_MODE0 l1a_l1s_com.l1s_en_task[ADC_CSMODE0] = TASK_DISABLED; // Reset ADC task enable flag. // Step in state machine. *state = WAIT_INIT; } break; case WAIT_INIT: { // Use incoming message //--------------------- if(SignalCode == MMI_ADC_REQ) { UWORD8 tx_flag; tx_flag = ((T_MMI_ADC_REQ *)(msg->SigP))-> tx_flag; l1a_l1s_com.adc_traffic_period = ((T_MMI_ADC_REQ *)(msg->SigP))-> traffic_period; l1a_l1s_com.adc_idle_period = ((T_MMI_ADC_REQ *)(msg->SigP))-> idle_period; // ------------------------------- // Activation for Idle and CS_MODE // ------------------------------- l1a_l1s_com.adc_mode = ADC_DISABLED; l1a_l1s_com.adc_cpt = 0; if (l1a_l1s_com.adc_idle_period == 0) { // performed only one time l1a_l1s_com.adc_mode |= ADC_NEXT_NORM_PAGING | ADC_NEXT_MEAS_SESSION | ADC_NEXT_CS_MODE0 ; } else { // performed on each periode l1a_l1s_com.adc_mode |= ADC_EACH_NORM_PAGING | ADC_EACH_MEAS_SESSION | ADC_EACH_CS_MODE0 ; } // ---------------------------------------------------------- // Activation for Dedicated and Connection Establishment mode // ---------------------------------------------------------- if (tx_flag == 1) // ADC is performed inside a TX burst { l1a_l1s_com.adc_mode |= ADC_EACH_RACH; // traffic_period is meaningless for RACH / PRACH if (l1a_l1s_com.adc_traffic_period == 0) { // performed only one time l1a_l1s_com.adc_mode |= ADC_NEXT_TRAFFIC_UL; } else { // performed on each periode l1a_l1s_com.adc_mode |= ADC_EACH_TRAFFIC_UL; } } else // ADC is performed outside a TX burst { if (l1a_l1s_com.adc_traffic_period == 0) { // performed only one time l1a_l1s_com.adc_mode |= ADC_NEXT_TRAFFIC_DL; } else { // performed on each periode l1a_l1s_com.adc_mode |= ADC_EACH_TRAFFIC_DL; } if (l1a_l1s_com.adc_idle_period == 0) { // performed only one time l1a_l1s_com.adc_mode |= ADC_NEXT_NORM_PAGING_REORG; } else { // performed on each periode l1a_l1s_com.adc_mode |= ADC_EACH_NORM_PAGING_REORG; } } l1a_l1s_com.l1s_en_task[ADC_CSMODE0] = TASK_ENABLED; // enable ADC task for CS_MODE0 } else if(SignalCode == MMI_STOP_ADC_REQ) { // send confirmation message l1a_send_confirmation(MMI_STOP_ADC_CON,RRM1_QUEUE); // Disable ADC tasks used in CS_MODE0 // It is mandatory to disable the task here because in CS_MODE0 there is no new messages // to validate the RESET state in the state machine. l1a_l1s_com.l1s_en_task[ADC_CSMODE0] = TASK_DISABLED; // Reset ADC task enable flag. // This process must be reset. *state = RESET; } // End of process. end_process = 1; } break; } } } /*-------------------------------------------------------*/ /* l1a_network_lost() */ /*-------------------------------------------------------*/ /* Description : This function allows the MS to enter in */ /* deep sleep while it is performig cell */ /* selection full power measurement */ /* */ /* Starting messages: MPHC_NETWORK_LOST_IND */ /* */ /* Result messages (input): none */ /* Result messages (output): none */ /* Reset messages (input): none */ /* */ /*-------------------------------------------------------*/ void l1a_network_lost(xSignalHeaderRec *msg) { UWORD32 SignalCode = msg->SignalCode; if(SignalCode == MPHC_NETWORK_LOST_IND) { // set new mode in order to allow the deep sleep l1a_l1s_com.mode = CS_MODE0; // reset the gauging algorithm in order to re-compute // the 32khz/13Mhz when re-enter in IDLE mode. l1ctl_gauging (0,0); } } #if !((MOVE_IN_INTERNAL_RAM == 1) && (GSM_IDLE_RAM > 1)) // MOVE TO INTERNAL MEM IN CASE GSM_IDLE_RAM == 2 //#pragma GSM_IDLE2_DUPLICATE_FOR_INTERNAL_RAM_START // KEEP IN EXTERNAL MEM otherwise /*-------------------------------------------------------*/ /* l1a_idle_ba_list_meas_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles neigbor cell */ /* measurement process in IDLE mode with BA list. */ /* */ /* Starting messages: MPHC_RXLEV_PERIODIC_REQ */ /* ------------------ */ /* L1 starts then the periodic BA list receive level */ /* monitoring. */ /* */ /* Subsequent messages: MPHC_RXLEV_PERIODIC_REQ */ /* -------------------- */ /* L1 changes the BA list and starts the periodic BA */ /* list receive level monitoring with this new list. */ /* */ /* Result messages (input): L1C_RXLEV_PERIODIC_DONE */ /* ------------------------ */ /* This is the periodic reporting message from L1s. */ /* */ /* Result messages (output): MPHC_RXLEV_PERIODIC_IND */ /* ------------------------- */ /* This is the periodic reporting message to L3. */ /* */ /* Reset messages (input): MPHC_STOP_RXLEV_PERIODIC_REQ*/ /* ----------------------- */ /* BA list neigbor cell measurement process in IDLE */ /* is stopped by this message. */ /* */ /*-------------------------------------------------------*/ void l1a_idle_ba_list_meas_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_RESULT = 3 }; UWORD8 *state = &l1a.state[I_NMEAS]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // step in state machine. *state = WAIT_INIT; // Reset I_NMEAS process. l1a_l1s_com.l1s_en_meas &= I_BAMS_MEAS_MASK; // Reset I_BAMS Measurement enable flag. } break; case WAIT_INIT: { if(SignalCode == MPHC_RXLEV_PERIODIC_REQ) // We receive the BA list to be monitored. //---------------------------------------- { UWORD8 ba_id; UWORD8 nbchans; TC_CHAN_LIST *listptr; UWORD8 next_radio_freq_measured; UWORD8 i; nbchans = ((T_MPHC_RXLEV_PERIODIC_REQ *)(msg->SigP))->num_of_chans; listptr = &(((T_MPHC_RXLEV_PERIODIC_REQ *)(msg->SigP))->chan_list); ba_id = ((T_MPHC_RXLEV_PERIODIC_REQ *)(msg->SigP))->ba_id; next_radio_freq_measured = ((T_MPHC_RXLEV_PERIODIC_REQ *)(msg->SigP))->next_radio_freq_measured; // Set parameter synchro semaphore for I_BAMS task. l1a_l1s_com.meas_param |= I_BAMS_MEAS; // Reset the BA list structure. l1a_reset_ba_list(); // Store ARFCN list in the BA structure. for(i=0;i<nbchans;i++) l1a_l1s_com.ba_list.A[i].radio_freq = listptr->A[i]; // Set number of carrier in the BA list. l1a_l1s_com.ba_list.nbr_carrier = nbchans; // Set BA identifier. l1a_l1s_com.ba_list.ba_id = ba_id; // Carrier for next power measurement control. l1a_l1s_com.ba_list.next_to_ctrl = next_radio_freq_measured; // Carrier for next power measurement result. l1a_l1s_com.ba_list.next_to_read = next_radio_freq_measured; // Set first BA index measured in current session. l1a_l1s_com.ba_list.first_index = next_radio_freq_measured; // Enable BA list measurement task. l1a.l1a_en_meas[I_NMEAS] |= I_BAMS_MEAS; // step in state machine. *state = WAIT_RESULT; } // End of process. end_process = 1; } break; case WAIT_RESULT: { if(SignalCode == L1C_RXLEV_PERIODIC_DONE) // One bunch of measurement has been completed. //--------------------------------------------- { // Forward result message to L3. l1a_send_result(MPHC_RXLEV_PERIODIC_IND, msg, RRM1_QUEUE); // End of process. return; } else #if (L1_GPRS) if((SignalCode == MPHC_STOP_RXLEV_PERIODIC_REQ) || (SignalCode == L1P_TRANSFER_DONE) || (SignalCode == L1C_DEDIC_DONE)) #else if((SignalCode == MPHC_STOP_RXLEV_PERIODIC_REQ) || (SignalCode == L1C_DEDIC_DONE)) #endif // Request to STOP this activity. //------------------------------- { // send confirmation message l1a_send_confirmation(MPHC_STOP_RXLEV_PERIODIC_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } else if (SignalCode == MPHC_RXLEV_PERIODIC_REQ) { // This process must be reset. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. end_process = 1; } } break; } // end of "switch". } // end of "while" } // end of procedure. //#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END // KEEP IN EXTERNAL MEM otherwise #endif /*-------------------------------------------------------*/ /* l1a_full_list_meas_process() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* This function is a state machine which handles the */ /* Cell Selection Full List Power Measurement L1/L3 */ /* interface and it handles the neigbour cell */ /* measurement process in IDLE mode with FULL list. */ /* When a message MPHC_RXLEV_REQ is received */ /* the L1S task FSMS_MEAS is enabled. When this task */ /* is completed a reporting message L1C_VALID_MEAS_INFO */ /* is received and forwarded to L3. */ /* */ /* Starting messages: MPHC_RXLEV_REQ. */ /* */ /* Result messages (input): L1C_VALID_MEAS_INFO */ /* */ /* Result messages (output): MPHC_RXLEV_IND */ /* */ /* Reset messages (input): none */ /* */ /* Stop message (input): MPHC_STOP_RXLEV_REQ */ /* */ /* Stop message (output): MPHC_STOP_RXLEV_CON */ /* */ /* Rem: */ /* ---- */ /* L3 is in charge of the number of pass to follow the */ /* GSM recommendation. */ /* */ /*-------------------------------------------------------*/ void l1a_full_list_meas_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_RESULT = 2 }; UWORD8 *state = &l1a.state[FULL_MEAS]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset FULL_MEAS process. l1a_l1s_com.l1s_en_meas &= FSMS_MEAS_MASK; // Clear Cell Selection Measurement enable flag. } break; case WAIT_INIT: { if(SignalCode == MPHC_RXLEV_REQ) // Request to enter the Cell Selection measurements. //-------------------------------------------------- { UWORD16 i; #if L1_RECOVERY // check whether we need to recover L1 if (l1a_l1s_com.recovery_flag == TRUE) { // recovery only allowed during cell selection to avoid side effects // Transition rules: MPHC_RXLEV_REQ may also be sent in idle mode or packet idle mode // check whether idle mode task NP inactive #if L1_GPRS if ((l1a_l1s_com.l1s_en_task[NP] == TASK_DISABLED) && (l1a_l1s_com.l1s_en_task[PNP] == TASK_DISABLED)) #else if (l1a_l1s_com.l1s_en_task[NP] == TASK_DISABLED) #endif { #if (CHIPSET == 12) || (CHIPSET == 15) F_INTH_DISABLE_ONE_IT(C_INTH_FRAME_IT); // disable IT TDMA #else INTH_DISABLEONEIT(IQ_FRAME); // disable IT TDMA #endif #if (TRACE_TYPE == 1) || (TRACE_TYPE == 4) { l1_trace_recovery(); } #endif l1_initialize_for_recovery(); // Set SYNCHRO task enable flag in order to call the function l1d_reset_hw l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; #if (CHIPSET == 12) || (CHIPSET == 15) F_INTH_ENABLE_ONE_IT(C_INTH_FRAME_IT); // enable IT TDMA #else INTH_ENABLEONEIT(IQ_FRAME); // enable IT TDMA #endif } } #endif // download info from message l1a_l1s_com.full_list_ptr=(T_MPHC_RXLEV_REQ *)(msg->SigP); if (l1a_l1s_com.full_list_ptr->power_array_size==0) return; //empty list -> return // Set "parameter synchro semaphores" l1a_l1s_com.meas_param |= FSMS_MEAS; // Reset the full list structure. l1a_reset_full_list(); // Reset the Input Level (IL) memory table. if ((l1a_l1s_com.mode == CS_MODE) || (l1a_l1s_com.mode == CS_MODE0)) { #if (L1_FF_MULTIBAND == 0) for(i=0; i<=l1_config.std.nbmax_carrier; i++) #else for(i=0; i<= NBMAX_CARRIER; i++) #endif { l1a_l1s_com.last_input_level[i].input_level = l1_config.params.il_min; l1a_l1s_com.last_input_level[i].lna_off = 0; } } // Enable Cell Selection Full list measurement task. l1a.l1a_en_meas[FULL_MEAS] |= FSMS_MEAS; // Step in state machine. *state = WAIT_RESULT; } // End of process. end_process = 1; } break; case WAIT_RESULT: { if(SignalCode == L1C_VALID_MEAS_INFO) // One valid measurement pass has been completed over the full list of carriers. //------------------------------------------------------------------------------ { //-------------------------------------------------------- // WE COULD PUT HERE THE CODE TO TRANSLATE IL -> RXLEV !!! //-------------------------------------------------------- // Forward result message to L3. l1a_send_result(MPHC_RXLEV_IND, msg, RRM1_QUEUE); // Reset the machine. *state = RESET; } else if (SignalCode == MPHC_STOP_RXLEV_REQ) { // Forward result message to L3. l1a_send_confirmation(MPHC_STOP_RXLEV_CON,RRM1_QUEUE); // Reset the machine. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. end_process = 1; } } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1a_cres_process() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* This function is a state machine which handles Cell */ /* Reselection. */ /* */ /* Starting messages: MPHC_NEW_SCELL_REQ */ /* ------------------ */ /* L1 camps on the given ARFCN. */ /* */ /* Result messages (output): MPHC_NEW_SCELL_CON */ /* ------------------------- */ /* */ /*-------------------------------------------------------*/ void l1a_cres_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1 }; UWORD8 *state = &l1a.state[CR_B]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; } break; case WAIT_INIT: { if(SignalCode == MPHC_NEW_SCELL_REQ) // Request to enter the Cell Reselection BCCH reading. //---------------------------------------------------- // L1 must keep reading the system informations flagged // in the bitmap. { // Reset the Neighbor Cell information structure. l1a_reset_cell_info(&(l1a_l1s_com.Scell_info)); // Reset serving cell E-OTD store on Cell Change #if ((L1_EOTD == 1) && (L1_EOTD_QBIT_ACC == 1)) l1a_l1s_com.nsync.serv_fn_offset = 0; l1a_l1s_com.nsync.serv_time_alignmt = 0; #endif // Download ARFCN, timing information and bitmap from the command message. l1a_l1s_com.Scell_info.radio_freq = ((T_MPHC_NEW_SCELL_REQ *)(msg->SigP))->radio_freq; l1a_l1s_com.Scell_info.bsic = ((T_MPHC_NEW_SCELL_REQ *)(msg->SigP))->bsic; l1a_l1s_com.Scell_info.time_alignmt = ((T_MPHC_NEW_SCELL_REQ *)(msg->SigP))->time_alignmt; l1a_l1s_com.Scell_info.fn_offset = ((T_MPHC_NEW_SCELL_REQ *)(msg->SigP))->fn_offset; #if (L1_FF_MULTIBAND == 1) { UWORD8 physical_band_id; physical_band_id = l1_multiband_radio_freq_convert_into_physical_band_id(l1a_l1s_com.Scell_info.radio_freq ); L1_MULTIBAND_TRACE_PARAMS(MULTIBAND_PHYSICAL_BAND_TRACE_ID,multiband_rf[physical_band_id].gsm_band_identifier); } #endif /*#if (L1_FF_MULTIBAND == 1)*/ // Layer 1 internal mode is set to CS MODE. l1a_l1s_com.mode = CS_MODE; // Set flag for toa init. #if (TOA_ALGO != 0) l1a_l1s_com.toa_reset = TRUE; #endif // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't followed // the generic rules of the Semaphore shared between L1A and L1S. // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; { l1a_l1s_com.tn_difference += 0 - l1a_l1s_com.dl_tn; l1a_l1s_com.dl_tn = 0; // Camping on timeslot 0. #if L1_GPRS // Select GSM DSP Scheduler. l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; #endif // Timing must be shifted to a new timeslot, enables SYNCHRO task.. l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. } l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. // Step in state machine. *state = RESET; // Send confirmation message to L3. l1a_send_confirmation(MPHC_NEW_SCELL_CON,RRM1_QUEUE); // End of process. end_process = 1; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. end_process = 1; } } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1a_neighbour_cell_bcch_reading_process() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* This function is a state machine which handles the */ /* BCCH reading from up to 6 neighbour cells */ /* */ /* Starting messages: MPHC_NCELL_BCCH_REQ */ /* ------------------ */ /* */ /* Result messages (input): L1C_BCCHN_INFO */ /* ------------------------ */ /* */ /* Result messages (output): MPHC_NCELL_BCCH_IND */ /* ------------------------- */ /* */ /* Reset messages (input): MPHC_STOP_NCELL_BCCH_REQ */ /* ----------------------- (MPHC_STOP_NCELL_BCCH_CON) */ /* */ /*-------------------------------------------------------*/ void l1a_neighbour_cell_bcch_reading_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, BCCHN_CONFIG = 2, WAIT_BCCHN_RESULT = 3 }; UWORD8 *state = &l1a.state[I_BCCHN]; UWORD32 SignalCode = msg->SignalCode; UWORD32 time_alignmt; UWORD32 fn_offset; UWORD8 task; // use only in packet transfer mode // in this mode only one neighbor is allowed to be decoded // so these variables memorize this neighbor parameters. static UWORD32 time_alignmt_mem; static UWORD32 fn_offset_mem; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset CS_MEAS process. l1a_l1s_com.l1s_en_task[BCCHN] = TASK_DISABLED; // Clear BCCHN task enable flag. l1a_l1s_com.l1s_en_task[BCCHN_TOP] = TASK_DISABLED; // Clear BCCHN_TOP task enable flag. #if (L1_GPRS) l1a_l1s_com.l1s_en_task[BCCHN_TRAN] = TASK_DISABLED; // Clear BCCHN_TRAN task enable flag. #endif } break; case WAIT_INIT: { if(SignalCode == MPHC_NCELL_BCCH_REQ) // Request to read BCCH from one neighbour cell. //---------------------------------------------- { // there are 3 priorities with BCCH neighbor task // => TOP PRIORITY: this request has priority over serving cell activity // and any other neighbor cells activity (used for GPRS). // In IDLE circuit this priority enable the task BCCHN_TOP // In Packet Transfer this priority enable the task BCCHN_TRAN // => HIGH_PRIORITY:this request has priority over the neighbor cell BCCH reading // with priority set to NORMAL_PRIORITY. // => NORMAL_PRIORITY:this request has no special priority. // Note: HIGH_PRIORITY and NORMAL_PRIORITY enable the task BCCHN. #if (L1_GPRS) if(l1a_l1s_com.mode == PACKET_TRANSFER_MODE) task = BCCHN_TRAN; else if(((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->gprs_priority == TOP_PRIORITY) task = BCCHN_TOP; else task = BCCHN; #else task = BCCHN; #endif // Set semaphores for neighbor BCCH task. l1a_l1s_com.task_param[task] = SEMAPHORE_SET; // Step in state machine. *state = BCCHN_CONFIG; } // No action in this machine for other messages. else { // End of process. return; } } break; case BCCHN_CONFIG: { // Request to read BCCH from one neighbour cell. //---------------------------------------------- UWORD8 neigh_number = 0; UWORD8 neigh_id; // there are 3 priorities with BCCH neighbor task // => TOP PRIORITY: this request has priority over serving cell activity // and any other neighbor cells activity (used for GPRS). // In IDLE circuit this priority enable the task BCCHN_TOP // In Packet Transfer this priority enable the task BCCHN_TRAN // => HIGH_PRIORITY:this request has priority over the neighbor cell BCCH reading // with priority set to NORMAL_PRIORITY. // => NORMAL_PRIORITY:this request has no special priority. // Note: HIGH_PRIORITY and NORMAL_PRIORITY enable the task BCCHN. #if (L1_GPRS) if(l1a_l1s_com.mode == PACKET_TRANSFER_MODE) task = BCCHN_TRAN; else if(((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->gprs_priority == TOP_PRIORITY) task = BCCHN_TOP; else task = BCCHN; #else task = BCCHN; #endif #if (L1_GPRS) //in case of packet transfer mode //only one neighbor is allowed to be decoded => clear the BCCHN list. if(l1a_l1s_com.mode == PACKET_TRANSFER_MODE) { for (neigh_id=0;neigh_id<6;neigh_id++) l1a_l1s_com.bcchn.list[neigh_id].status = NSYNC_FREE; l1a_l1s_com.bcchn.current_list_size = 0; } #endif // Abort if there is no room for a new neighbour BCCH reading request. if(l1a_l1s_com.bcchn.current_list_size >= 6) { *state = WAIT_BCCHN_RESULT; return; } // Look for first free location within L1 structure. while((neigh_number < 6) && (l1a_l1s_com.bcchn.list[neigh_number].status != NSYNC_FREE)) { if(neigh_number != 5 ) neigh_number++; } // Download neighbour info from request message. //---------------------------------------------- // Download ARFCN, timing information and bitmap from the command message. time_alignmt_mem = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->time_alignmt; fn_offset_mem = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->fn_offset; // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. time_alignmt =time_alignmt_mem; fn_offset =fn_offset_mem; l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); if (neigh_number < 6 ) { l1a_l1s_com.bcchn.list[neigh_number].radio_freq = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->radio_freq; l1a_l1s_com.bcchn.list[neigh_number].fn_offset = fn_offset; l1a_l1s_com.bcchn.list[neigh_number].time_alignmt = time_alignmt; l1a_l1s_com.bcchn.list[neigh_number].tsc = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->tsc; l1a_l1s_com.bcchn.list[neigh_number].bcch_blks_req = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->bcch_blks_req; #if L1_GPRS // in packet transfer only one priority is allowed : TOP_PRIORITY if(l1a_l1s_com.mode != PACKET_TRANSFER_MODE) l1a_l1s_com.bcchn.list[neigh_number].gprs_priority = ((T_MPHC_NCELL_BCCH_REQ *)(msg->SigP))->gprs_priority; else l1a_l1s_com.bcchn.list[neigh_number].gprs_priority = TOP_PRIORITY; #else l1a_l1s_com.bcchn.list[neigh_number].gprs_priority = NORMAL_PRIORITY; #endif } // Enable L1S activity on this new neighbour task BCCH. if (neigh_number < 6 )//OMAPS00090550 l1a_l1s_com.bcchn.list[neigh_number].status = NSYNC_PENDING; l1a_l1s_com.bcchn.current_list_size += 1; l1a_l1s_com.l1s_en_task[task] = TASK_ENABLED; // Step in state machine. *state = WAIT_BCCHN_RESULT; // End of process. end_process = 1; } break; // case BCCHN_CONFIG case WAIT_BCCHN_RESULT: { if(SignalCode == L1C_BCCHN_INFO) // Neighbor cell BCCH reading result. //----------------------------------- { UWORD8 neigh_id = ((T_L1C_BCCHN_INFO *)(msg->SigP))->neigh_id; UWORD16 neigh_radio_freq = ((T_L1C_BCCHN_INFO *)(msg->SigP))->radio_freq; // Check if this neighbor wasn't removed from the list // (it's possible if MPHC_STOP_NCELL_BCCH_REQ message has been received // in the same frame than this L1s message) // BUG_973: an issue occurs when this 3 messages arrives in this order and // in the same frame MPHC_STOP_NCELL_BCCH_REQ(A) + MPHC_NCELL_BCCH_REQ(B) + this L1s message(A) // In this case the carrier B wasn't handled because the L1s message deletes the carrier B in the list if (neigh_radio_freq != l1a_l1s_com.bcchn.list[neigh_id].radio_freq) { // REM: the message is not sent to L3 return; // Stay in current state. } // Disable neigh BCCH reading when any of the TC have been read. l1a_l1s_com.bcchn.list[neigh_id].status = NSYNC_FREE; l1a_l1s_com.bcchn.current_list_size -= 1; // Forward result message to L3. l1a_send_result(MPHC_NCELL_BCCH_IND, msg, RRM1_QUEUE); // Is it the end of the complete process ? if(l1a_l1s_com.bcchn.current_list_size == 0) { // This process must be reset. *state = RESET; } else { // End of process. return; } } else if(SignalCode == MPHC_NCELL_BCCH_REQ) // Request to read BCCH from one neighbour cell. //----------------------------------- { // Step in state machine. *state = BCCHN_CONFIG; } else if(SignalCode == MPHC_STOP_NCELL_BCCH_REQ) // Request to STOP neighbour cell activity for certain carriers. //-------------------------------------------------------------- { UWORD8 i,j; UWORD8 array_size; // Disable neighbor BCCH task. l1a_l1s_com.l1s_en_task[BCCHN] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[BCCHN_TOP] = TASK_DISABLED; #if (L1_GPRS) l1a_l1s_com.l1s_en_task[BCCHN_TRAN] = TASK_DISABLED; #endif array_size = ((T_MPHC_STOP_NCELL_BCCH_REQ *)(msg->SigP))->radio_freq_array_size; if(array_size != 6) { // Stop some of the Neighb. synchro. for(i=0;i<array_size;i++) { UWORD16 radio_freq = ((T_MPHC_STOP_NCELL_BCCH_REQ *)(msg->SigP))->radio_freq_array[i]; // Search for same value within L1 structure. j=0; while(!((radio_freq == l1a_l1s_com.bcchn.list[j].radio_freq) && (l1a_l1s_com.bcchn.list[j].status != NSYNC_FREE)) && (j < 6)) { if(j < 5 ) //OMAPS00090550 { j++; } else { j++; break; } } // If found, reset L1 structure for this carrier. if(j<6) { l1a_l1s_com.bcchn.list[j].status = NSYNC_FREE; l1a_l1s_com.bcchn.current_list_size --; } } } else { // Stop all the Neighb. BCCH reading. l1a_l1s_com.bcchn.current_list_size = 0; for(i=0;i<6;i++) l1a_l1s_com.bcchn.list[i].status = NSYNC_FREE; } // Send confirmation message to L3. l1a_send_confirmation(MPHC_STOP_NCELL_BCCH_CON,RRM1_QUEUE); // All neigh synchro have been removed. if(l1a_l1s_com.bcchn.current_list_size == 0) { // This process must be reset. *state = RESET; } else { // NOTE: in packet transfer mode only one BCCHN is allowed to be decoded // so it is impossible to be here after the STOP message in this mode // The tasks that may be restart are: BCCHN_TOP and/or BCCHN // Check if it remains some BCCHN_TOP or BCCHN tasks to restart for(i=0;i<6;i++) { if (l1a_l1s_com.bcchn.list[i].status != NSYNC_FREE) { if (l1a_l1s_com.bcchn.list[i].gprs_priority == TOP_PRIORITY) { // it remains one BCCHN_TOP task to restart l1a_l1s_com.task_param[BCCHN_TOP] = SEMAPHORE_SET; l1a_l1s_com.l1s_en_task[BCCHN_TOP] = TASK_ENABLED; } else { // it remains one BCCHN task to restart l1a_l1s_com.task_param[BCCHN] = SEMAPHORE_SET; l1a_l1s_com.l1s_en_task[BCCHN] = TASK_ENABLED; } } } // Stay in current state. return; } } #if (L1_GPRS) else // End of packet transfer mode if TBF downlink and uplink have been released if((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all)) { l1a_l1s_com.bcchn.list[0].status = NSYNC_FREE; l1a_l1s_com.bcchn.current_list_size = 0; // This process must be reset. *state = RESET; } else if ((SignalCode == L1P_TRANSFER_DONE) || (SignalCode == L1P_TBF_RELEASED) || //change of Time Slot (SignalCode == L1P_REPEAT_ALLOC_DONE)|| (SignalCode == L1P_ALLOC_EXHAUST_DONE)) { // We consider only the case: packet Transfer => packet Transfer,the serving TS may be changed // For other cases such as Idle -> Transfer... decision not yet taken. // update the BCCHN parameters // Clear BCCHN_TRAN task enable flag. l1a_l1s_com.l1s_en_task[BCCHN_TRAN] = TASK_DISABLED; // Set semaphores for neighbor BCCH task. l1a_l1s_com.task_param[BCCHN_TRAN] = SEMAPHORE_SET; // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. time_alignmt = time_alignmt_mem; fn_offset = fn_offset_mem; l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_l1s_com.bcchn.list[0].fn_offset = fn_offset; l1a_l1s_com.bcchn.list[0].time_alignmt = time_alignmt; l1a_l1s_com.l1s_en_task[BCCHN_TRAN] = TASK_ENABLED; // Stay in current state. return; } #endif else // No action in this machine for other messages. //---------------------------------------------- { // End of process. end_process = 1; } } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1a_idle_6strongest_monitoring_process() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* This function is a state machine which handles the */ /* synchronization with up to 6 neighbor cells */ /* */ /* Starting messages: MPHC_NCELL_SYNC_REQ */ /* ------------------ MPHC_NCELL_LIST_SYNC_REQ */ /* L1 makes an attempt to read the FB/SB or to confirm */ /* SB. */ /* */ /* */ /* Result messages (input): L1C_FB_INFO */ /* ------------------------ L1C_SB_INFO */ /* L1C_SBCONF_INFO */ /* Result messages from L1S. FB detection, SB detection,*/ /* SB confirmation. */ /* */ /* Result messages (output): MPHC_NCELL_SYNC_IND */ /* ------------------------- */ /* SB indication. */ /* */ /* Reset messages (input): MPHC_STOP_NCELL_SYNC_REQ */ /* ----------------------- (MPHC_STOP_NCELL_SYNC_CON) */ /* */ /*-------------------------------------------------------*/ void l1a_idle_6strongest_monitoring_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, NSYNC_CONFIG = 2, WAIT_NSYNC_RESULT = 3 #if (L1_12NEIGH == 1) ,NSYNC_LIST_CONFIG = 4 ,WAIT_SSYNC_RESULT = 5 #endif }; UWORD8 *state = &l1a.state[I_6MP]; UWORD32 SignalCode = msg->SignalCode; static UWORD8 sb_attempt; #if (L1_12NEIGH == 1) static UWORD8 list_size; #endif #if (L1_EOTD ==1) static UWORD8 last_cell; #endif BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset of process is embbeded in other state to // avoid conflicts between processes using the same // L1S tasks. } break; case WAIT_INIT: { #if (L1_12NEIGH ==1) if(SignalCode == MPHC_NCELL_LIST_SYNC_REQ) { // Check request validity for this process: // -> This machine works only for IDLE MODE. // -> Search must be correct. if(l1a_l1s_com.mode != I_MODE) return; #if (L1_EOTD ==1) // For EOTD, nsync must be FREE... if ( (((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP))->eotd == TRUE) && (l1a_l1s_com.nsync.current_list_size != 0) ) // End of process. return; #endif l1a_l1s_com.nsync.first_in_list=0; // Set semaphores for all neighbor relative task. l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; l1a_l1s_com.task_param[FBNEW] = SEMAPHORE_SET; l1a_l1s_com.task_param[SB2] = SEMAPHORE_SET; l1a_l1s_com.task_param[SBCONF] = SEMAPHORE_SET; // Step in state machine. *state = NSYNC_LIST_CONFIG; } else #endif if(SignalCode == MPHC_NCELL_SYNC_REQ) // Request to READ the FB/SB or SB from the given carrier. //-------------------------------------------------------- { // Check request validity for this process: // -> This machine works only for IDLE MODE. // -> Search must be correct. if(l1a_l1s_com.mode != I_MODE) return; l1a_l1s_com.nsync.first_in_list=0; // Set semaphores for all neighbor relative task. l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; l1a_l1s_com.task_param[FBNEW] = SEMAPHORE_SET; l1a_l1s_com.task_param[SB2] = SEMAPHORE_SET; l1a_l1s_com.task_param[SBCONF] = SEMAPHORE_SET; // Step in state machine. *state = NSYNC_CONFIG; } // No action in this machine for other messages. else { // End of process. return; } } break; case NSYNC_CONFIG: { // Request to read FB/SB or SB from one neighbour cell. //----------------------------------------------------- UWORD8 neigh_number = l1a_l1s_com.nsync.first_in_list; // Abort if there is no room for a new neighbour synchro request. #if (L1_12NEIGH ==1) if (l1a_l1s_com.nsync.current_list_size >= NBR_NEIGHBOURS) #else if (l1a_l1s_com.nsync.current_list_size >= 6) #endif { *state = WAIT_NSYNC_RESULT; return; } // Look for first free location within L1 structure. #if (L1_12NEIGH ==1) while((neigh_number<NBR_NEIGHBOURS) && (l1a_l1s_com.nsync.list[neigh_number].status != NSYNC_FREE)) { neigh_number++; if ( neigh_number == NBR_NEIGHBOURS ) neigh_number=0; } #else while((neigh_number<6) && (l1a_l1s_com.nsync.list[neigh_number].status != NSYNC_FREE)) { neigh_number++; if ( neigh_number == 6 ) neigh_number=0; } #endif // Download neighbour info from request message. //---------------------------------------------- l1a_l1s_com.nsync.list[neigh_number].radio_freq = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq; l1a_l1s_com.nsync.list[neigh_number].timing_validity = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->timing_validity; #if ((REL99 == 1) && (FF_RTD ==1)) // RTD feature // In this case that timing information is provided related to Real Time Difference RTD of the cell. // We force the timing_validity to no timing information because there is no special mechanism to take into // account RTD information in idle mode. So it is preferable to do a complete FB search than // using inaccurate timing in a bad way. if(l1a_l1s_com.nsync.list[neigh_number].timing_validity == 3) l1a_l1s_com.nsync.list[neigh_number].timing_validity = 0 ; #endif if(l1a_l1s_com.nsync.list[neigh_number].timing_validity != 0) { UWORD32 time_alignmt; UWORD32 fn_offset; // Download ARFCN, timing information and bitmap from the command message. time_alignmt = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->time_alignmt; fn_offset = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->fn_offset; // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_sub_time_for_nb(&time_alignmt, &fn_offset); l1a_l1s_com.nsync.list[neigh_number].fn_offset = fn_offset; l1a_l1s_com.nsync.list[neigh_number].time_alignmt = time_alignmt; } else { l1a_l1s_com.nsync.list[neigh_number].fn_offset = 0; l1a_l1s_com.nsync.list[neigh_number].time_alignmt = 0; } // Enable L1S activity on this new neighbour task BCCH. l1a_l1s_com.nsync.list[neigh_number].status = NSYNC_PENDING; l1a_l1s_com.nsync.current_list_size += 1; l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // Step in state machine. *state = WAIT_NSYNC_RESULT; // End of process. end_process = 1; } break; // case NSYNC_CONFIG #if (L1_12NEIGH == 1) case NSYNC_LIST_CONFIG: { // Request to read FB/SB or SB from 1 to 12 neighbour cells. //---------------------------------------------------------- UWORD8 neigh_number = l1a_l1s_com.nsync.first_in_list; UWORD8 nbr_free = (UWORD8) (NBR_NEIGHBOURS) - l1a_l1s_com.nsync.current_list_size; T_MPHC_NCELL_LIST_SYNC_REQ *pt = ((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP)); UWORD8 i; //Read list size list_size= ((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP))->list_size; // Abort if there is no room for a new neighbour synchro request. if ( (l1a_l1s_com.nsync.current_list_size >= NBR_NEIGHBOURS) || (nbr_free < list_size) ) { *state = WAIT_NSYNC_RESULT; return; } #if (L1_EOTD==1) // Abort if list Not empty and request for an EOTD session.... if ( (l1a_l1s_com.nsync.current_list_size != 0) && ( pt->eotd == TRUE) ) { *state = WAIT_NSYNC_RESULT; return; } // store Eotd flag l1a_l1s_com.nsync.eotd_meas_session = pt->eotd; #endif // Download neighbour info from request message. //---------------------------------------------- for (i=0; i<list_size; i++,neigh_number++) { if ( neigh_number == NBR_NEIGHBOURS ) neigh_number=0; //cyclic buffer // Look for first free location within L1 structure. while((neigh_number<NBR_NEIGHBOURS) && (l1a_l1s_com.nsync.list[neigh_number].status != NSYNC_FREE)) { neigh_number++; if ( neigh_number == NBR_NEIGHBOURS ) neigh_number=0; } l1a_l1s_com.nsync.list[neigh_number].radio_freq = pt->ncell_list[i].radio_freq; l1a_l1s_com.nsync.list[neigh_number].timing_validity = pt->ncell_list[i].timing_validity; #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature // In this case that timing information is provided related to Real Time Difference RTD of the cell. // We force the timing_validity to no timing information because there is no special mechanism to take into // account RTD information in idle mode. So it is preferable to do a complete FB search than // using inaccurate timing in a bad way. if(l1a_l1s_com.nsync.list[neigh_number].timing_validity == 3) l1a_l1s_com.nsync.list[neigh_number].timing_validity = 0 ; #endif if(l1a_l1s_com.nsync.list[neigh_number].timing_validity != 0) { UWORD32 time_alignmt; UWORD32 fn_offset; // Download ARFCN, timing information and bitmap from the command message. time_alignmt = pt->ncell_list[i].time_alignmt; fn_offset = pt->ncell_list[i].fn_offset; // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_sub_time_for_nb(&time_alignmt, &fn_offset); l1a_l1s_com.nsync.list[neigh_number].fn_offset = fn_offset; l1a_l1s_com.nsync.list[neigh_number].time_alignmt = time_alignmt; } else { l1a_l1s_com.nsync.list[neigh_number].fn_offset = 0; l1a_l1s_com.nsync.list[neigh_number].time_alignmt = 0; } // Increment list size l1a_l1s_com.nsync.current_list_size += 1; // Enable L1S activity on all new neighbour tasks if NOT eotd. #if (L1_EOTD==1) if (pt->eotd == FALSE) #endif l1a_l1s_com.nsync.list[neigh_number].status = NSYNC_PENDING; } // end for // If NOT Eotd start new neighbours. #if (L1_EOTD == 1) if (pt->eotd == FALSE) { #endif l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // Step in state machine. *state = WAIT_NSYNC_RESULT; #if (L1_EOTD == 1) } else { UWORD32 time_alignmt =0; UWORD32 fn_offset = 0; // Set eotd mode l1a_l1s_com.nsync.eotd_meas_session = TRUE; // In Eotd : Serving cell is not part of the list //----------------------------------------------- // But it must be the 1st monitored // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. #if (L1_EOTD_QBIT_ACC==1) time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; fn_offset = l1a_l1s_com.nsync.serv_fn_offset; #endif l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_sub_time_for_nb(&time_alignmt, &fn_offset); // Load Serving cell in last position [NBR_NEIGHBOURS] l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].radio_freq = l1a_l1s_com.Scell_info.radio_freq; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset = fn_offset; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt = time_alignmt; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].timing_validity = 2; // Set list size l1a_l1s_com.nsync.current_list_size = 1; // start Eotd last_cell = FALSE; // Enable Serving cell monitoring l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_PENDING; l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // Step in state machine. *state = WAIT_SSYNC_RESULT; } #endif // L1_EOTD == 1 // End of process. end_process = 1; } break; // case NSYNC_LIST_CONFIG #endif //(L1_12NEIGH == 1) #if ((L1_EOTD == 1)&&L1_12NEIGH) case WAIT_SSYNC_RESULT: { if(SignalCode == L1C_SBCONF_INFO) // Synchro Burst confirmation attempt result. //------------------------------------------- { UWORD8 neigh_id = ((T_L1C_SBCONF_INFO *)(msg->SigP))->neigh_id; BOOL sb_found = ((T_L1C_SBCONF_INFO *)(msg->SigP))->sb_flag; UWORD16 neigh_radio_freq= ((T_L1C_SBCONF_INFO *)(msg->SigP))->radio_freq; // Check if this neighbor is NOT serving cell if ( (neigh_radio_freq != l1a_l1s_com.Scell_info.radio_freq) || (neigh_id !=12)) { //REM: the message is not sent to L3 return;// Stay in current state. } // Set mode IDLE for EOTD ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 0; if(sb_found == TRUE) // SB detection is a success. { UWORD32 *fn_offset_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_offset); UWORD32 *time_alignmt_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->time_alignmt); UWORD32 fn_sb_neigh = ((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_sb_neigh; WORD16 d_eotd_first= ((T_L1C_SBCONF_INFO *)(msg->SigP))->d_eotd_first; UWORD32 toa = ((T_L1C_SBCONF_INFO *)(msg->SigP))->toa; WORD32 ta_sb_neigh = l1a_l1s_com.nsync.list[neigh_id].time_alignmt; UWORD32 delta_fn; WORD32 delta_qbit; // Correct "fn_offset" and "time_alignmt" to report the true // Serving/Neighbor time difference. // 1) Shift 20 bit since result is from a SB detection. // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); // compute the true Serving/Neighbor time difference. // 1) update time_alignmt with (23bit - d_eotd_first) delta // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. ta_sb_neigh += (d_eotd_first - (23))*4 + (l1a_l1s_com.dl_tn * 625); if (last_cell == FALSE) { l1a_l1s_com.nsync.fn_sb_serv = fn_sb_neigh; l1a_l1s_com.nsync.ta_sb_serv = ta_sb_neigh; ((T_MPHC_NCELL_SYNC_IND*)(msg->SigP))->timetag = 0; } else // End of EOTD meas. Consider Serving Cell as a neighbour cell // for timetag computation... { UWORD32 timetag; delta_fn = (fn_sb_neigh - l1a_l1s_com.nsync.fn_sb_serv + MAX_FN)%MAX_FN; delta_qbit = ta_sb_neigh - l1a_l1s_com.nsync.ta_sb_serv; timetag = (delta_fn*5000) + (WORD32)(delta_qbit); ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->timetag = timetag; #if (L1_EOTD_QBIT_ACC ==1) // Attempt QB tracking of the serving cell (independent of the TOA algorithm) // This is only performed on the second SYNC IND as we do not want to move the serving cell // timing during the E-OTD session. l1a_compensate_sync_ind((T_MPHC_NCELL_SYNC_IND *)(msg->SigP)); l1a_l1s_com.nsync.serv_fn_offset = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset; l1a_l1s_com.nsync.serv_time_alignmt = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt; #endif // #if (CODE_VERSION == SIMULATION) // #if (TRACE_TYPE==5) ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->delta_fn = delta_fn; ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->delta_qbit = delta_qbit; // #endif // #endif } // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); } else // SB detection failled. { #if (L1_EOTD_QBIT_ACC==1) l1a_l1s_com.nsync.serv_time_alignmt = 0; l1a_l1s_com.nsync.serv_fn_offset = 0; #endif // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); // // Send reporting message with a faillure indication. // l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); } // Disable the serving sync. reading. l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_FREE; l1a_l1s_com.nsync.current_list_size = 0; if (last_cell == TRUE) { // reset list size list_size = 0; // stop eotd session. l1a_l1s_com.nsync.eotd_meas_session = FALSE; // reset process. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; // This process must be reset. *state = RESET; } else { UWORD8 i; // Curious case where there are no previously synchronised neighbours, // but an EOTD session is requested. Apparently, this is legal. // Here, we synchronise to the serving cell a second time with the // eotd_meas_session flag set so that no AFC or TOA updates are performed. #if (L1_EOTD_QBIT_ACC == 1) if(list_size == 0) { // L1 SW : Create a temporary copy of the serving time_alignmt and fn_offset // as we don't want to do the timeslot maths on the reference version // in case the synchronisation fails and we can't write the new values // back to the store... UWORD32 time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; UWORD32 fn_offset = l1a_l1s_com.nsync.serv_fn_offset; // In Eotd : Serving cell is not part of the list //----------------------------------------------- // But it must be the 1st and last monitored // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_sub_time_for_nb(&time_alignmt, &fn_offset); // Load Serving cell in last position [NBR_NEIGHBOURS] l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].radio_freq = l1a_l1s_com.Scell_info.radio_freq; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset = fn_offset; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt = time_alignmt; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].timing_validity = 2; // Set list size l1a_l1s_com.nsync.current_list_size = 1; // start Eotd last_cell = TRUE; // Enable Serving cell monitoring l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_PENDING; l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // No step in state machine in this case. *state = WAIT_SSYNC_RESULT; return; } else { #endif // (L1_EOTD_QBIT_ACC == 1) // enable all neighbour monitoring l1a_l1s_com.nsync.current_list_size = list_size; for (i=0; i<list_size; i++) l1a_l1s_com.nsync.list[i].status = NSYNC_PENDING; l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // step in state machine *state = WAIT_NSYNC_RESULT; return; #if (L1_EOTD_QBIT_ACC == 1) } #endif } } else if(SignalCode == MPHC_STOP_NCELL_SYNC_REQ) // Request to STOP neighbour cell activity for all carriers. //-------------------------------------------------------------- { UWORD8 array_size; array_size = ((T_MPHC_STOP_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq_array_size; // TOP accepted only for ALL cells if ( (array_size != l1a_l1s_com.nsync.current_list_size) && (array_size != NBR_NEIGHBOURS)) // Stay in current state. return; // Stop Eotd session. l1a_l1s_com.nsync.eotd_meas_session = FALSE; // Disable neighbor sync. tasks. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; // Stop Serv. sync reading. l1a_l1s_com.nsync.current_list_size = 0; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_FREE; // Send confirmation message to L3. l1a_send_confirmation(MPHC_STOP_NCELL_SYNC_CON,RRM1_QUEUE); // All neigh synchro have been removed. // This process must be reset. *state = RESET; } // No action in this machine for other messages. else { // End of process. return; } } break; #endif case WAIT_NSYNC_RESULT: { if(SignalCode == L1C_FB_INFO) // Frequency Burst acquisition attempt result. //-------------------------------------------- { BOOL fb_found; UWORD8 neigh_id = ((T_L1C_FB_INFO *)(msg->SigP))->neigh_id; UWORD16 neigh_radio_freq = ((T_L1C_FB_INFO *)(msg->SigP))->radio_freq; // Check if this neighbor wasn't removed from the list // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received // in the same frame than this L1s message) // BUG_973: an issue occurs when this 3 messages arrives in this order and // in the same frame MPHC_STOP_NCELL_SYNC_REQ(A) + MPHC_NCELL_SYNC_REQ(B) + this L1s message(A) // In this case the carrier B wasn't handled because the L1s message deletes the carrier B in the list if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) { //REM: the message is not sent to L3 return;// Stay in current state. } // Get result from the message. fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; if(fb_found == TRUE) // FB attempt is a success. { // Enable NSYNC task for SB detection (SB2). #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) l1a_l1s_com.nsync.list[neigh_id].timing_validity = SB_ACQUISITION_PHASE; #else l1a_l1s_com.nsync.list[neigh_id].timing_validity = 3; #endif // Enable neighbour sync 0. l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_PENDING; // End of process. return; } else // FB attempt failed. //------------------- { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); } // Disable a neigh sync. reading. l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; l1a_l1s_com.nsync.current_list_size -= 1; // Is it the end of the complete process ? if(l1a_l1s_com.nsync.current_list_size == 0) { // Reset process. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; // This process must be reset. *state = RESET; } // End of process. else { // Check if first in list was removed from the list. Go to next first in list while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) { l1a_l1s_com.nsync.first_in_list++; #if (L1_12NEIGH==1) if (l1a_l1s_com.nsync.first_in_list == NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; #else if (l1a_l1s_com.nsync.first_in_list == 6) l1a_l1s_com.nsync.first_in_list = 0; #endif } return; } } else if(SignalCode == L1C_SB_INFO) // Synchro Burst acquisition attempt result. //------------------------------------------ { typedef struct { BOOL sb_found_flag; UWORD8 bsic; UWORD32 fn_offset; UWORD32 time_alignmt; } T_L1A_NSYNC; #if (L1_12NEIGH ==1) static T_L1A_NSYNC static_nsync[NBR_NEIGHBOURS]; #else static T_L1A_NSYNC static_nsync[6]; #endif BOOL sb_found = ((T_L1C_SB_INFO *)(msg->SigP))->sb_flag; UWORD8 attempt = ((T_L1C_SB_INFO *)(msg->SigP))->attempt; UWORD8 neigh_id = ((T_L1C_SB_INFO *)(msg->SigP))->neigh_id; UWORD16 neigh_radio_freq = ((T_L1C_SB_INFO *)(msg->SigP))->radio_freq; T_L1A_NSYNC *static_nsync_ptr = &(static_nsync[neigh_id]); // Check if this neighbor wasn't removed from the list // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received // in the same frame than this L1s message) // BUG_973: an issue occurs when this 3 messages arrives in this order and // in the same frame MPHC_STOP_NCELL_SYNC_REQ(A) + MPHC_NCELL_SYNC_REQ(B) + this L1s message(A) // In this case the carrier B wasn't handled because the L1s message deletes the carrier B in the list if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) { //REM: the message is not sent to L3 return;// Stay in current state. } // Reset static structure SB detection flag. if(attempt == 1) static_nsync[neigh_id].sb_found_flag = FALSE; if(sb_found == TRUE) // SB detection is a success... //----------------------------- { // Save Results. static_nsync_ptr->sb_found_flag = TRUE; static_nsync_ptr->bsic = ((T_L1C_SB_INFO *)(msg->SigP))->bsic; static_nsync_ptr->fn_offset = ((T_L1C_SB_INFO *)(msg->SigP))->fn_offset; static_nsync_ptr->time_alignmt = ((T_L1C_SB_INFO *)(msg->SigP))->time_alignmt; } // Report message to L3 is generated after the 2 attempts. if(attempt == 2) { // Disable a neigh sync. reading. l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; l1a_l1s_com.nsync.current_list_size -= 1; if(static_nsync_ptr->sb_found_flag == FALSE) { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); } else { UWORD32 *fn_offset_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->fn_offset); UWORD32 *time_alignmt_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->time_alignmt); // Download neighbour info in result message. ((T_L1C_SB_INFO *)(msg->SigP))->sb_flag = static_nsync_ptr->sb_found_flag; ((T_L1C_SB_INFO *)(msg->SigP))->fn_offset = static_nsync_ptr->fn_offset; ((T_L1C_SB_INFO *)(msg->SigP))->time_alignmt = static_nsync_ptr->time_alignmt; ((T_L1C_SB_INFO *)(msg->SigP))->bsic = static_nsync_ptr->bsic; // Correct "fn_offset" and "time_alignmt" to report the true // Serving/Neighbor time difference. // 1) Shift 20 bit since result is from a SB detection. // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); } // Is it the end of the complete process ? if(l1a_l1s_com.nsync.current_list_size == 0) { // Reset process. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; // This process must be reset. *state = RESET; } // End of process. else { // Check if first in list was removed from the list. Go to next first in list while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) { l1a_l1s_com.nsync.first_in_list++; #if (L1_12NEIGH==1) if (l1a_l1s_com.nsync.first_in_list == NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; #else if (l1a_l1s_com.nsync.first_in_list == 6) l1a_l1s_com.nsync.first_in_list = 0; #endif } return; } } // End of process. else { return; } } else if(SignalCode == L1C_SBCONF_INFO) // Synchro Burst confirmation attempt result. //------------------------------------------- { UWORD8 neigh_id = ((T_L1C_SBCONF_INFO *)(msg->SigP))->neigh_id; BOOL sb_found = ((T_L1C_SBCONF_INFO *)(msg->SigP))->sb_flag; UWORD16 neigh_radio_freq= ((T_L1C_SBCONF_INFO *)(msg->SigP))->radio_freq; // Check if this neighbor wasn't removed from the list // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received // in the same frame than this L1s message) // BUG_973: an issue occurs when this 3 messages arrives in this order and // in the same frame MPHC_STOP_NCELL_SYNC_REQ(A) + MPHC_NCELL_SYNC_REQ(B) + this L1s message(A) // In this case the carrier B wasn't handled because the L1s message deletes the carrier B in the list if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) { //REM: the message is not sent to L3 return;// Stay in current state. } if(sb_found == TRUE) // SB detection is a success. { UWORD32 *fn_offset_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_offset); UWORD32 *time_alignmt_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->time_alignmt); // Correct "fn_offset" and "time_alignmt" to report the true // Serving/Neighbor time difference. // 1) Shift 20 bit since result is from a SB detection. // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); #if (L1_EOTD==1) if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { UWORD32 fn_sb_neigh = ((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_sb_neigh; WORD16 d_eotd_first= ((T_L1C_SBCONF_INFO *)(msg->SigP))->d_eotd_first; UWORD32 toa = ((T_L1C_SBCONF_INFO *)(msg->SigP))->toa; WORD32 ta_sb_neigh = l1a_l1s_com.nsync.list[neigh_id].time_alignmt; UWORD32 delta_fn; WORD32 delta_qbit; UWORD32 timetag; // compute the true Serving/Neighbor time difference. // 1) update time_alignmt with (23bit - d_eotd_first) delta // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. ta_sb_neigh += (d_eotd_first - (23))*4 + (l1a_l1s_com.dl_tn * 625); delta_fn = (fn_sb_neigh - l1a_l1s_com.nsync.fn_sb_serv + MAX_FN)%MAX_FN; delta_qbit = ta_sb_neigh - l1a_l1s_com.nsync.ta_sb_serv; // Set timetag timetag = (delta_fn*5000) + (WORD32)(delta_qbit); ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->timetag = timetag; // Set mode ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 0; // #if (CODE_VERSION == SIMULATION) // #if (TRACE_TYPE == 5) ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->delta_fn = delta_fn; ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->delta_qbit = delta_qbit; // #endif // #endif } #endif #if ((L1_EOTD == 1) && (L1_EOTD_QBIT_ACC == 1)) // Attempt to compensate each N-Cell SYNC IND for QB tracking. l1a_compensate_sync_ind((T_MPHC_NCELL_SYNC_IND *)(msg->SigP)); #endif // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); } else // SB detection failled. { #if (L1_EOTD ==1) // Set mode if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 0; // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); } else #endif // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); } // Disable a neigh sync. reading. l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; l1a_l1s_com.nsync.current_list_size -= 1; // Is it the end of the complete process ? if(l1a_l1s_com.nsync.current_list_size == 0) { #if ((L1_EOTD ==1)&& L1_12NEIGH) // Is it EOTD ? if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { UWORD32 time_alignmt=0; UWORD32 fn_offset=0; // Init list to serving cell // Download ARFCN, timing information and bitmap from the command message. // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. #if (L1_EOTD_QBIT_ACC==1) time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; fn_offset = l1a_l1s_com.nsync.serv_fn_offset; #endif l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_sub_time_for_nb(&time_alignmt, &fn_offset); // Store Serving cell infos in location [NBR_NEIGHBOURS] l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].radio_freq = l1a_l1s_com.Scell_info.radio_freq; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset = fn_offset; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt = time_alignmt; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].timing_validity = 2; // Set list size && last cell flag. l1a_l1s_com.nsync.current_list_size = 1; last_cell = TRUE; // Enable Serving cell monitoring l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_PENDING; l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; *state = WAIT_SSYNC_RESULT; return; } else #endif { // Reset process. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; // This process must be reset. *state = RESET; } } // End of process. else { // Check if first in list was removed from the list. Go to next first in list while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) { l1a_l1s_com.nsync.first_in_list++; #if (L1_12NEIGH==1) if (l1a_l1s_com.nsync.first_in_list == NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; #else if (l1a_l1s_com.nsync.first_in_list == 6) l1a_l1s_com.nsync.first_in_list = 0; #endif } return; } } #if (L1_12NEIGH ==1) else if(SignalCode == MPHC_NCELL_LIST_SYNC_REQ) // Request to READ the FB/SB or SB of 1 to 12 carriers. //-------------------------------------------------------- { #if (L1_EOTD ==1) if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) // Stay in current state. return; else #endif // Step in state machine. *state = NSYNC_LIST_CONFIG; } #endif else if(SignalCode == MPHC_NCELL_SYNC_REQ) // Request to READ the FB/SB or SB from the given carrier. //-------------------------------------------------------- { #if (L1_EOTD ==1) if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) // Stay in current state. return; else #endif // Step in state machine. *state = NSYNC_CONFIG; } else if(SignalCode == MPHC_STOP_NCELL_SYNC_REQ) // Request to STOP neighbour cell activity for certain carriers. //-------------------------------------------------------------- { UWORD8 i,j; UWORD8 array_size; array_size = ((T_MPHC_STOP_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq_array_size; #if (L1_EOTD ==1) // Only stop for ALL neighbours in list are accepted. if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { if ( (array_size != l1a_l1s_com.nsync.current_list_size) && (array_size != NBR_NEIGHBOURS)) // Stay in current state. return; } // Stop Eotd session. l1a_l1s_com.nsync.eotd_meas_session = FALSE; #endif // Disable neighbor sync. tasks. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FBNEW] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCONF] = TASK_DISABLED; #if (L1_12NEIGH ==1) if(array_size != NBR_NEIGHBOURS) #else if(array_size != 6) #endif { // Stop some of the Neighb. synchro. for(i=0;i<array_size;i++) { UWORD16 radio_freq = ((T_MPHC_STOP_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq_array[i]; // Search for same value within L1 structure. j=0; while(!((radio_freq == l1a_l1s_com.nsync.list[j].radio_freq) && (l1a_l1s_com.nsync.list[j].status != NSYNC_FREE)) && #if (L1_12NEIGH ==1) (j < NBR_NEIGHBOURS)) #else (j < 6)) #endif { j++; } // If found, reset L1 structure for this carrier. #if (L1_12NEIGH ==1) if(j<NBR_NEIGHBOURS) #else if(j<6) #endif { l1a_l1s_com.nsync.list[j].status = NSYNC_FREE; l1a_l1s_com.nsync.current_list_size --; } } } else { // Stop all the Neighb. BCCH reading. l1a_l1s_com.nsync.current_list_size = 0; #if (L1_12NEIGH ==1) for(i=0;i<NBR_NEIGHBOURS;i++) #else for(i=0;i<6;i++) #endif l1a_l1s_com.nsync.list[i].status = NSYNC_FREE; } // Send confirmation message to L3. l1a_send_confirmation(MPHC_STOP_NCELL_SYNC_CON,RRM1_QUEUE); // All neigh synchro have been removed. if(l1a_l1s_com.nsync.current_list_size == 0) { // Tasks already disabled. // This process must be reset. *state = RESET; } else { // Check if first in list was removed from the list. Go to next first in list while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) { l1a_l1s_com.nsync.first_in_list++; #if (L1_12NEIGH==1) if (l1a_l1s_com.nsync.first_in_list == NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; #else if (l1a_l1s_com.nsync.first_in_list == 6) l1a_l1s_com.nsync.first_in_list = 0; #endif } // Set semaphores for all neighbor relative task before re-enebling NSYNC task. l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; l1a_l1s_com.task_param[FBNEW] = SEMAPHORE_SET; l1a_l1s_com.task_param[SB2] = SEMAPHORE_SET; l1a_l1s_com.task_param[SBCONF] = SEMAPHORE_SET; // Enable neighbour sync task. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // Stay in current state. return; } } // No action in this machine for other messages. else { // End of process. end_process = 1; } } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1a_idle_serving_cell_bcch_reading_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles serving cell */ /* BCCH reading. */ /* */ /* Starting messages: MPHC_SCELL_NBCCH_REQ */ /* ------------------ MPHC_SCELL_EBCCH_REQ */ /* */ /* L1 continuously reads the serving cell BCCH and/or */ /* Extended BCCH as requested by the scheduling info. */ /* */ /* Result messages (input): L1C_BCCHS_INFO */ /* ------------------------ */ /* System information data block from L1S. */ /* */ /* Reset messages (input): MPHC_STOP_SCELL_BCCH_REQ */ /* ----------------------- (MPHC_STOP_SCELL_BCCH_CON) */ /* */ /*-------------------------------------------------------*/ void l1a_idle_serving_cell_bcch_reading_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, NBCCHS_CONFIG = 2, EBCCHS_CONFIG = 3, WAIT_BCCHS_RESULT = 4 }; UWORD8 *state = &l1a.state[I_SCB]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset CS_MEAS process. l1a_l1s_com.l1s_en_task[NBCCHS] = TASK_DISABLED; // Clear NBCCHS task enable flag. l1a_l1s_com.l1s_en_task[EBCCHS] = TASK_DISABLED; // Clear EBCCHS task enable flag. } break; case WAIT_INIT: { // Request to read Normal BCCH from serving cell. if(SignalCode == MPHC_SCELL_NBCCH_REQ) { // Step in state machine. *state = NBCCHS_CONFIG; } // Request to read Extended BCCH from serving cell. else if(SignalCode == MPHC_SCELL_EBCCH_REQ) { // Step in state machine. *state = EBCCHS_CONFIG; } // No action in this machine for other messages. else { // End of process. return; } } break; case NBCCHS_CONFIG: { UWORD8 i; // Set semaphores for Normal Serving BCCH reading task. l1a_l1s_com.task_param[NBCCHS] = SEMAPHORE_SET; // Download message content. //-------------------------- l1a_l1s_com.nbcchs.schedule_array_size = ((T_MPHC_SCELL_NBCCH_REQ *)(msg->SigP))->schedule_array_size; for(i=0;i<l1a_l1s_com.nbcchs.schedule_array_size;i++) { l1a_l1s_com.nbcchs.schedule_array[i].modulus = ((T_MPHC_SCELL_NBCCH_REQ *)(msg->SigP))->schedule_array[i].modulus; l1a_l1s_com.nbcchs.schedule_array[i].relative_position = ((T_MPHC_SCELL_NBCCH_REQ *)(msg->SigP))->schedule_array[i].relative_position; } // Enable NBCCHS task. l1a_l1s_com.l1s_en_task[NBCCHS] = TASK_ENABLED; // Step in state machine. *state = WAIT_BCCHS_RESULT; // End of process. end_process = 1; } break; case EBCCHS_CONFIG: { UWORD8 i; // Set semaphores for Normal Serving BCCH reading task. l1a_l1s_com.task_param[EBCCHS] = SEMAPHORE_SET; // Download message content. //-------------------------- l1a_l1s_com.ebcchs.schedule_array_size = ((T_MPHC_SCELL_EBCCH_REQ *)(msg->SigP))->schedule_array_size; for(i=0;i<l1a_l1s_com.ebcchs.schedule_array_size;i++) { l1a_l1s_com.ebcchs.schedule_array[i].modulus = ((T_MPHC_SCELL_EBCCH_REQ *)(msg->SigP))->schedule_array[i].modulus; l1a_l1s_com.ebcchs.schedule_array[i].relative_position = ((T_MPHC_SCELL_EBCCH_REQ *)(msg->SigP))->schedule_array[i].relative_position; } // Enable EBCCHS task. l1a_l1s_com.l1s_en_task[EBCCHS] = TASK_ENABLED; // Step in state machine. *state = WAIT_BCCHS_RESULT; // End of process. end_process = 1; } break; case WAIT_BCCHS_RESULT: { if(SignalCode == L1C_BCCHS_INFO) // Serving cell BCCH reading result. //---------------------------------- { // Forward result message to L3. l1a_send_result(MPHC_DATA_IND, msg, RRM1_QUEUE); // End of process. return; } else if(SignalCode == MPHC_SCELL_NBCCH_REQ) // Request to re-configure Normal BCCH reading. //--------------------------------------------- { // Step in state machine. *state = NBCCHS_CONFIG; } else if(SignalCode == MPHC_SCELL_EBCCH_REQ) // Request to re-configure Normal BCCH reading. //--------------------------------------------- { // Step in state machine. *state = EBCCHS_CONFIG; } else if((SignalCode == MPHC_STOP_SCELL_BCCH_REQ) || (SignalCode == L1C_DEDIC_DONE)) // Request to STOP any serving cell bcch activity. //------------------------------------------------ { // Send confirmation message to L3. l1a_send_confirmation(MPHC_STOP_SCELL_BCCH_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } #if L1_GPRS else if((SignalCode == L1P_SINGLE_BLOCK_CON) || (SignalCode == MPHP_SINGLE_BLOCK_CON)) // If Two Phase Access is ongoing: Packet Resource Request // msg has been sent to the network. BCCH reading must be // stopped to let PDCH reading going. // REM: we must check both L1P/MPHP messages since an other // process could have renamed L1P into MPHP. //-------------------------------------------------------- { if(((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->purpose == TWO_PHASE_ACCESS) { // This process must be reset. *state = RESET; } else { // End of process. return; } } else // End of packet transfer mode: test PDTCH to be sure that TBF downlink and uplink are released if((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all)) { // This process must be reset. *state = RESET; } else if((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->Transfer_update == FALSE)) // Transition IDLE -> Packet Transfer // Request to STOP serving cell BCCH activity. //-------------------------------------------- { // Send confirmation message to L3. l1a_send_confirmation(MPHC_STOP_SCELL_BCCH_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } else if((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->Transfer_update == TRUE)) // Transition Packet Transfer -> Packet Transfer { // Remark: the synchro is handled by the task CTRL. // stay in the same state // End of process. return; } #endif else // No action in this machine for other messages. //---------------------------------------------- { // End of process. end_process = 1; } } break; } // end of "switch". } // end of "while" } // end of procedure. #if !((MOVE_IN_INTERNAL_RAM == 1) && (GSM_IDLE_RAM > 1)) // MOVE TO INTERNAL MEM IN CASE GSM_IDLE_RAM == 2 //#pragma GSM_IDLE2_DUPLICATE_FOR_INTERNAL_RAM_START // KEEP IN EXTERNAL MEM otherwise /*-------------------------------------------------------*/ /* l1a_idle_serving_cell_paging_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles paging */ /* */ /* Starting messages: MPHC_START_CCCH_REQ */ /* ------------------ */ /* */ /* L1 continuously reads the serving cell BCCH and/or */ /* Extended BCCH as requested by the scheduling info. */ /* */ /* Result messages (input): L1C_ALLC_INFO */ /* ------------------------ L1C_NP_INFO */ /* L1C_EP_INFO */ /* */ /* Reset messages (input): MPHC_STOP_CCCH_REQ */ /* ----------------------- (MPHC_STOP_CCCH_CON) */ /* */ /*-------------------------------------------------------*/ //Nina added INT8 last_page_mode = 2; //REORG; //End Nina added void l1a_idle_serving_cell_paging_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_MSG = 2 }; enum pg_modes { NORMAL = 0, EXTENDED = 1, REORG = 2 }; UWORD8 *state = &l1a.state[I_SCP]; UWORD32 SignalCode = msg->SignalCode; static UWORD8 page_mode = REORG; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Disable serving cell tasks. l1a_l1s_com.l1s_en_task[NP] = TASK_DISABLED; // Reset NP task enable flag. l1a_l1s_com.l1s_en_task[EP] = TASK_DISABLED; // Reset EP task enable flag. l1a_l1s_com.l1s_en_task[ALLC] = TASK_DISABLED; // Reset ALLC (reorg) task enable flag. // No Paging => no gauging => no Deep sleep //Nina modify to save power, not forbid deep sleep, only force gauging in next paging if(l1s.force_gauging_next_paging_due_to_CCHR == 0) // Force gauging next paging l1s.pw_mgr.enough_gaug = FALSE; // forbid Deep sleep } break; case WAIT_INIT: { if (SignalCode == MPHC_START_CCCH_REQ) { // download page mode from message (msg) page_mode = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_mode; //Nina added if(((last_page_mode == NORMAL) && (page_mode == EXTENDED)) || ((last_page_mode == EXTENDED) && (page_mode == NORMAL))) { l1s.force_gauging_next_paging_due_to_CCHR = 1; } last_page_mode = page_mode; //End Nina added if(page_mode == REORG) // Request to enter the PAGING REORGANIZATION paging mode. //-------------------------------------------------------- // L1 must start the Serving cell paging monitoring in PAGING REORGANIZATION // paging mode. L1 starts reading the FULL BCCH and CCCH informations. { // Set semaphores for all serving cell tasks. l1a_l1s_com.task_param[ALLC] = SEMAPHORE_SET; // Set ALLC task semaphore. l1a_l1s_com.task_param[NP] = SEMAPHORE_SET; // Set NP task semaphore. // Set parameter synchro semaphore for I_BAMS task. // Rem: changing the paging parameters changes the place where I_BAMS // task must be executed. l1a_l1s_com.meas_param |= I_BAMS_MEAS; // Download the PAGING PARAMETERS from the command message. l1a_l1s_com.bcch_combined = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bcch_combined; l1a_l1s_com.bs_pa_mfrms = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_pa_mfrms; l1a_l1s_com.bs_ag_blks_res = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_ag_blks_res; l1a_l1s_com.ccch_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->ccch_group; l1a_l1s_com.page_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_group; l1a_l1s_com.page_block_index = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_block_index; /*----------------------------------------------------*/ /* Download Idle parameters and Info in the Serving */ /* structure. */ /*----------------------------------------------------*/ /* Rem: Get Idle Information from ROM table. Get nbr */ /* of paging blocks in a MF51 from ROM table. */ /* "nb_pch_per_mf51" = N div BS_PA_MFRMS. */ /* "idle_task_info" = info about PCH, EXT_PCH and */ /* other task to settle in IM. */ /*----------------------------------------------------*/ if(l1a_l1s_com.bcch_combined == TRUE) { l1a_l1s_com.idle_task_info = IDLE_INFO_COMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_COMB+1)) + (l1a_l1s_com.page_block_index)]; l1a_l1s_com.nb_pch_per_mf51 = NBPCH_IN_MF51_COMB[l1a_l1s_com.bs_ag_blks_res]; } else { l1a_l1s_com.idle_task_info = IDLE_INFO_NCOMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_NCOMB+1)) + (l1a_l1s_com.page_block_index)]; l1a_l1s_com.nb_pch_per_mf51 = NBPCH_IN_MF51_NCOMB[l1a_l1s_com.bs_ag_blks_res]; } // Layer 1 internal mode is set to IDLE MODE. l1a_l1s_com.mode = I_MODE; // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't followed // the generic rules of the Semaphore shared between L1A and L1S. // We must shift the mobile time setting to the timeslot provided by // the "ccch_group" parameter. // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; { l1a_l1s_com.tn_difference += (2 * l1a_l1s_com.ccch_group) - l1a_l1s_com.dl_tn; l1a_l1s_com.dl_tn = 2 * l1a_l1s_com.ccch_group; // Save new TN id. #if L1_GPRS // Select GSM DSP Scheduler. l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; #endif // Timing must be shifted to a new timeslot, enables SYNCHRO task.. l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. } l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. // In paging reorganization, Full BCCH reading must be setup. l1a_l1s_com.Scell_info.si_bit_map = ALL_SI; // Step in state machine. *state = WAIT_MSG; // Enable Paging Reorganisation tasks. l1a_l1s_com.l1s_en_task[NP] = TASK_ENABLED; // Set NP task enable flag. l1a_l1s_com.l1s_en_task[ALLC] = TASK_ENABLED; // Set ALLC (for paging reorg) task enable flag. // End of process. return; } else if(page_mode == NORMAL) { // Request to enter the NORMAL PAGING paging mode. //------------------------------------------------ // L1 must start the Serving cell paging monitoring in NORMAL PAGING // paging mode. L1 starts reading only its own paging subchannel. #if (TRACE_TYPE==3) if (l1_stats.type == FER_CCCH || l1_stats.type == FER_CCCH_TN246) l1_stats.wait_time = 0; #endif // Disable the paging reorganization tasks. l1a_l1s_com.l1s_en_task[NP] = TASK_DISABLED; // Reset NP task enable flag. l1a_l1s_com.l1s_en_task[ALLC] = TASK_DISABLED; // Reset ALLC (reorg) task enable flag. // Set parameter synchro semaphore for I_BAMS task. // Rem: changing the paging parameters changes the place where I_BAMS // task must be executed. l1a_l1s_com.meas_param |= I_BAMS_MEAS; // Set semaphores for the normal paging reading task. l1a_l1s_com.task_param[NP] = SEMAPHORE_SET; // Set NP task semaphore. // Download the PAGING PARAMETERS from the command message. l1a_l1s_com.bcch_combined = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bcch_combined; l1a_l1s_com.bs_pa_mfrms = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_pa_mfrms; l1a_l1s_com.bs_ag_blks_res = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_ag_blks_res; l1a_l1s_com.ccch_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->ccch_group; l1a_l1s_com.page_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_group; l1a_l1s_com.page_block_index = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_block_index; /*----------------------------------------------------*/ /* Download Idle parameters and Info in the Serving */ /* structure. */ /*----------------------------------------------------*/ /* Rem: Get Idle Information from ROM table. Get nbr */ /* of paging blocks in a MF51 from ROM table. */ /* "nb_pch_per_mf51" = N div BS_PA_MFRMS. */ /* "idle_task_info" = info about PCH, EXT_PCH and */ /* other task to settle in IM. */ /*----------------------------------------------------*/ if(l1a_l1s_com.bcch_combined == TRUE) { l1a_l1s_com.idle_task_info = IDLE_INFO_COMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_COMB+1)) + (l1a_l1s_com.page_block_index)]; l1a_l1s_com.nb_pch_per_mf51 = NBPCH_IN_MF51_COMB[l1a_l1s_com.bs_ag_blks_res]; } else { l1a_l1s_com.idle_task_info = IDLE_INFO_NCOMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_NCOMB+1)) + (l1a_l1s_com.page_block_index)]; l1a_l1s_com.nb_pch_per_mf51 = NBPCH_IN_MF51_NCOMB[l1a_l1s_com.bs_ag_blks_res]; } #if L1_GPRS //In case of network mode of operation II or III, CCCH reading is possible //in packet idle mode and in packet transfer mode. //But the SYNCHRO task is not used anymore as opposite to CS mode for CCCH readings if (!((l1a_l1s_com.l1s_en_task[PNP] == TASK_ENABLED) || (l1a_l1s_com.l1s_en_task[PEP] == TASK_ENABLED) || (l1a_l1s_com.l1s_en_task[PALLC] == TASK_ENABLED) || (l1a_l1s_com.l1s_en_task[PDTCH] == TASK_ENABLED) || (l1a_l1s_com.l1s_en_task[SINGLE] == TASK_ENABLED))) #endif { // Layer 1 internal mode is set to IDLE MODE. l1a_l1s_com.mode = I_MODE; // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't followed // the generic rules of the Semaphore shared between L1A and L1S. // We stay on the same serving cell but change the RX timeslot // (CCCH_GROUP or timeslot), then the "timeslot difference" between new // and old configuration is given in "tn_difference". // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; { l1a_l1s_com.tn_difference += (2 * l1a_l1s_com.ccch_group) - l1a_l1s_com.dl_tn; l1a_l1s_com.dl_tn = 2 * l1a_l1s_com.ccch_group; // Save new TN id. #if L1_GPRS // Select GSM DSP Scheduler. l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; // Timing must be shifted to a new timeslot, enables SYNCHRO task.. l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. #else if(l1a_l1s_com.tn_difference != 0) // Timing must be shifted to a new timeslot, enables SYNCHRO task.. { l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. } #endif } l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. } // Step in state machine. *state = WAIT_MSG; // Enable normal paging mode. l1a_l1s_com.l1s_en_task[NP] = TASK_ENABLED; // Set NP task enable flag. // End of process. return; } else { // No action for other page mode return; } }//if (SignalCode == MPHC_START_CCCH_REQ) else // No action in this machine for other messages. //---------------------------------------------- { // End of process. end_process = 1; } } break; case WAIT_MSG: { if(SignalCode == MPHC_START_CCCH_REQ) { // download paging mode from msg page_mode = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_mode; //Nina added if(((last_page_mode == NORMAL) && (page_mode == EXTENDED)) || ((last_page_mode == EXTENDED) && (page_mode == NORMAL))) { l1s.force_gauging_next_paging_due_to_CCHR = 1; } last_page_mode = page_mode; //End Nina added if ((page_mode == NORMAL) || (page_mode == REORG)) { // Step in state machine. *state = RESET; } else if (page_mode == EXTENDED) { // Request to enter the EXTENDED PAGING paging mode. //------------------------------------------------ #if (TRACE_TYPE==3) if (l1_stats.type == FER_CCCH || l1_stats.type == FER_CCCH_TN246) l1_stats.wait_time = 0; #endif // Disable the paging reorganization tasks. l1a_l1s_com.l1s_en_task[NP] = TASK_DISABLED; // Reset NP task enable flag. l1a_l1s_com.l1s_en_task[ALLC] = TASK_DISABLED; // Reset ALLC (reorg) task enable flag. // Set parameter synchro semaphore for I_BAMS task. // Rem: changing the paging parameters changes the place where I_BAMS // task must be executed. l1a_l1s_com.meas_param |= I_BAMS_MEAS; // Set semaphores for the normal/extended paging reading task. l1a_l1s_com.task_param[NP] = SEMAPHORE_SET; // Set NP task semaphore. l1a_l1s_com.task_param[EP] = SEMAPHORE_SET; // Set EP task semaphore. // Download the PAGING PARAMETERS from the command message. l1a_l1s_com.bcch_combined = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bcch_combined; l1a_l1s_com.bs_pa_mfrms = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_pa_mfrms; l1a_l1s_com.bs_ag_blks_res = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->bs_ag_blks_res; l1a_l1s_com.ccch_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->ccch_group; l1a_l1s_com.page_group = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_group; l1a_l1s_com.page_block_index = ((T_MPHC_START_CCCH_REQ *)(msg->SigP))->page_block_index; /*----------------------------------------------------*/ /* Download Idle parameters and Info in the Serving */ /* structure. */ /*----------------------------------------------------*/ /* Rem: Get Idle Information from ROM table. Get nbr */ /* of paging blocks in a MF51 from ROM table. */ /* "nb_pch_per_mf51" = N div BS_PA_MFRMS. */ /* "idle_task_info" = info about PCH, EXT_PCH and */ /* other task to settle in IM. */ /*----------------------------------------------------*/ if(l1a_l1s_com.bcch_combined == TRUE) { l1a_l1s_com.idle_task_info = IDLE_INFO_COMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_COMB+1)) + (l1a_l1s_com.page_block_index)]; l1a_l1s_com.nb_pch_per_mf51 = NBPCH_IN_MF51_COMB[l1a_l1s_com.bs_ag_blks_res]; } else { l1a_l1s_com.idle_task_info = IDLE_INFO_NCOMB[(l1a_l1s_com.bs_ag_blks_res * (MAX_PG_BLOC_INDEX_NCOMB+1)) + (l1a_l1s_com.page_block_index)]; l1a_l1s_com.nb_pch_per_mf51 = NBPCH_IN_MF51_NCOMB[l1a_l1s_com.bs_ag_blks_res]; } #if L1_GPRS //In case of network mode of operation II or III, CCCH reading is possible //in packet idle mode and in packet transfer mode. //But the SYNCHRO task is not used anymore as opposite to CS mode for CCCH readings if (!((l1a_l1s_com.l1s_en_task[PNP] == TASK_ENABLED) || (l1a_l1s_com.l1s_en_task[PEP] == TASK_ENABLED) || (l1a_l1s_com.l1s_en_task[PALLC] == TASK_ENABLED) || (l1a_l1s_com.l1s_en_task[PDTCH] == TASK_ENABLED) || (l1a_l1s_com.l1s_en_task[SINGLE] == TASK_ENABLED))) #endif { // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't followed // the generic rules of the Semaphore shared between L1A and L1S. // We stay on the same serving cell but change the RX timeslot // (CCCH_GROUP or timeslot), then the "timeslot difference" between new // and old configuration is given in "tn_difference". // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. // Layer 1 internal mode is set to IDLE MODE. l1a_l1s_com.mode = I_MODE; l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; { l1a_l1s_com.tn_difference += (2 * l1a_l1s_com.ccch_group) - l1a_l1s_com.dl_tn; l1a_l1s_com.dl_tn = 2 * l1a_l1s_com.ccch_group; // Save new TN id. #if L1_GPRS // Select GSM DSP Scheduler. l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; // Timing must be shifted to a new timeslot, enables SYNCHRO task.. l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. #else if(l1a_l1s_com.tn_difference != 0) // Timing must be shifted to a new timeslot, enables SYNCHRO task.. { l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. } #endif } l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. } // Enable normal/extended paging mode. l1a_l1s_com.l1s_en_task[NP] = TASK_ENABLED; // Set NP task enable flag. l1a_l1s_com.l1s_en_task[EP] = TASK_ENABLED; // Set EP task enable flag also. // Paging parameters change => perform the gauging on the next paging //Nina modify to save power, not forbid deep sleep, only force gauging in next paging if(l1s.force_gauging_next_paging_due_to_CCHR == 0) l1s.pw_mgr.enough_gaug = FALSE; // forbid Deep sleep until next gauging //End Nina modify // end of process return; }//end if (page_mode == EXTENDED) }// end if(SignalCode == MPHC_START_CCCH_REQ) else if((SignalCode == L1C_ALLC_INFO) || (SignalCode == L1C_NP_INFO) || (SignalCode == L1C_EP_INFO)) // Paging reorganization tasks results. //------------------------------------- { // Forward result message to L3. l1a_send_result(MPHC_DATA_IND, msg, RRM1_QUEUE); // End of process. return; } else if((SignalCode == MPHC_STOP_CCCH_REQ) || (SignalCode == L1C_DEDIC_DONE)) // Request to STOP any serving cell paging activity. //-------------------------------------------------- { // Send confirmation message to L3. l1a_send_confirmation(MPHC_STOP_CCCH_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } #if L1_GPRS else if((SignalCode == L1P_SINGLE_BLOCK_CON) || (SignalCode == MPHP_SINGLE_BLOCK_CON)) // If Two Phase Access is ongoing: Packet Resource Request // msg has been sent to the network. CCCH reading must be // stopped to let PDCH reading going. // REM: we must check both L1P/MPHP messages since an other // process could have renamed L1P into MPHP. //-------------------------------------------------------- { if(((T_MPHP_SINGLE_BLOCK_CON *)(msg->SigP))->purpose == TWO_PHASE_ACCESS) { // This process must be reset. *state = RESET; } else { // End of process. return; } } else // End of packet transfer mode if((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all)) { // This process must be reset. *state = RESET; } else if((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->Transfer_update == FALSE)) // Transition IDLE -> Packet Transfer // Request to STOP serving cell CCCH activity. //-------------------------------------------- { // Send confirmation message to L3. l1a_send_confirmation(MPHC_STOP_CCCH_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } else if((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->Transfer_update == TRUE)) // Transition Packet Transfer -> Packet Transfer { // Remark: the synchro is handled by the task CTRL. // stay in the same state // End of process. return; } #endif else // No action in this machine for other messages. //---------------------------------------------- { // End of process. end_process = 1; } }// end case WAIT_MSG break; } // end of "switch". } // end of "while" } // end of procedure. //#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END #endif /*-------------------------------------------------------*/ /* l1a_initial_network_sync_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles the 1st */ /* synchronization with the network. */ /* */ /* Starting messages: MPHC_NETWORK_SYNC_REQ */ /* */ /* Result messages (input): L1C_FB_INFO */ /* L1C_SB_INFO */ /* */ /* Result messages (output): MPHC_NETWORK_SYNC_IND */ /* */ /* Reset messages (input): MPHC_STOP_NETWORK_SYNC_REQ */ /* (MPHC_STOP_NETWORK_SYNC_CON) */ /* */ /*-------------------------------------------------------*/ void l1a_initial_network_sync_process(xSignalHeaderRec *msg) { enum states { RESET = 0, // Reset state. WAIT_INIT = 1, // Initial state. SET_FS_FB1_MODE0 = 2, // First Synchro, Setting of 1st FB mode 0. WAIT_FS_FB1_MODE0 = 3, // First Synchro, 1st FB mode 0 state. SET_FS_FB2_MODE0 = 10, // First Synchro, Setting of 2nd FB mode 0. WAIT_FS_FB2_MODE0 = 11, // First Synchro, 2nd FB mode 0 state. SET_FS_FB_MODE1 = 12, // First Synchro, Setting of FB mode 1. WAIT_FS_FB_MODE1 = 13, // First Synchro, FB mode 1 state. WAIT_FS_SB = 14, // First Synchro, SB state. SET_FB_MODE1 = 15, // Setting of FB mode 1. WAIT_FB_MODE1 = 16, // FB mode 1 (freq. in tracking) state. WAIT_SB = 17, // SB state. WAIT_BCCHS = 18 // BCCHS state. }; #if (VCXO_ALGO == 1) #define FS_FB1_MODE0_CENTER 1 #define FS_FB1_MODE0_MAX 2 #define FS_FB1_MODE0_MIN 3 static UWORD32 state_vcxo; #endif UWORD8 *state = &l1a.state[CS_NORM]; UWORD32 SignalCode = msg->SignalCode; static WORD16 static_attempt_counter_0; static WORD16 static_attempt_counter_1; static UWORD8 static_first_synch_flag = TRUE; static UWORD8 static_sb_found_flag; static UWORD8 static_bsic; static UWORD32 static_fn_offset; static UWORD32 static_time_alignmt; static UWORD8 static_timing_validity; // to keep track of the old AFC value static WORD16 old_afc; while(1) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset tasks used in the process. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; // Disable neighbour sync 0. l1a_l1s_com.nsync.list[0].status = NSYNC_FREE; } break; case WAIT_INIT: { if(SignalCode == MPHC_NETWORK_SYNC_REQ) // Request to READ the FULL BCCH on the given carrier. //---------------------------------------------------- // L1 must first synchronize with the given carrier and then start // reading the FULL BCCH. { UWORD8 search_mode = ((T_MPHC_NETWORK_SYNC_REQ *)(msg->SigP))->search_mode; #if L1_FF_WA_OMAPS00099442 // reset TPU offset to current value + half a TDMA to avoid having the Fb burst at the begining of the FBNEW TPU window // This can be done safely in L1A at this point //l1s.tpu_offset = (l1s.tpu_offset + TPU_CLOCK_RANGE >> 1 ) % TPU_CLOCK_RANGE; //l1dmacro_synchro(IMM, l1s.tpu_offset); #endif // Set task semaphores. l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; l1a_l1s_com.task_param[FBNEW] = SEMAPHORE_SET; l1a_l1s_com.task_param[SB2] = SEMAPHORE_SET; l1a_l1s_com.nsync.current_list_size = 0; // Downlink stuff timeslot is 0 (default in CS) l1a_l1s_com.dl_tn = 0; // Download neighbour info from request message. //---------------------------------------------- l1a_l1s_com.nsync.list[0].radio_freq = ((T_MPHC_NETWORK_SYNC_REQ *)(msg->SigP))->radio_freq; #if (L1_FF_MULTIBAND== 1) { UWORD8 physical_band_id; physical_band_id = l1_multiband_radio_freq_convert_into_physical_band_id(l1a_l1s_com.nsync.list[0].radio_freq); L1_MULTIBAND_TRACE_PARAMS(MULTIBAND_PHYSICAL_BAND_TRACE_ID,multiband_rf[physical_band_id].gsm_band_identifier); } #endif /*#if (L1_FF_MULTIBAND == 1)*/ l1a_l1s_com.nsync.list[0].timing_validity = ((T_MPHC_NETWORK_SYNC_REQ *)(msg->SigP))->timing_validity; #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature // In this case that timing information is provided related to Real Time Difference RTD of the cell. // We force the timing_validity to no timing information because there is no special mechanism to take into // account RTD information in idle mode. So it is preferable to do a complete FB search than // using inaccurate timing in a bad way. if(l1a_l1s_com.nsync.list[0].timing_validity == 3) // force complete search l1a_l1s_com.nsync.list[0].timing_validity = 0 ; #endif static_timing_validity = l1a_l1s_com.nsync.list[0].timing_validity; if(l1a_l1s_com.nsync.list[0].timing_validity != 0) { UWORD32 time_alignmt; UWORD32 fn_offset; // Download ARFCN, timing information and bitmap from the command message. time_alignmt = ((T_MPHC_NETWORK_SYNC_REQ *)(msg->SigP))->time_alignmt; fn_offset = ((T_MPHC_NETWORK_SYNC_REQ *)(msg->SigP))->fn_offset; // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_sub_time_for_nb(&time_alignmt, &fn_offset); l1a_l1s_com.nsync.list[0].fn_offset = fn_offset; l1a_l1s_com.nsync.list[0].time_alignmt = time_alignmt; } else { l1a_l1s_com.nsync.list[0].fn_offset = 0; l1a_l1s_com.nsync.list[0].time_alignmt = 0; } // Reset attempt counters static_attempt_counter_0 = 0; #if (TRACE_TYPE==3) if (l1_stats.type == FER_FCH_MODE1) search_mode = 1; else search_mode = 0; #endif // Set functional mode. l1a_l1s_com.mode = CS_MODE; #if L1_FF_WA_OMAPS00099442 l1a_l1s_com.change_tpu_offset_flag = TRUE; #endif #if L1_GPRS // Select GSM DSP Scheduler. l1a_l1s_com.dsp_scheduler_mode = GSM_SCHEDULER; // Timing must be shifted to a new timeslot, enables SYNCHRO task.. l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; // Set SYNCHRO task enable flag. #else // Enable SYNCHRO task to cleanup the MFTAB. l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; #endif if(search_mode == 0) // Run "FIRST SYNCHRO" algorithme. //-------------------------------- { // Step in state machine. #if (VCXO_ALGO == 1) if ((l1_config.params.afc_algo == ALGO_AFC_LQG_PREDICTOR) || (l1_config.params.afc_algo == ALGO_AFC_KALMAN_PREDICTOR)) state_vcxo = FS_FB1_MODE0_CENTER; #endif *state = SET_FS_FB1_MODE0; } else // Run "Frequency in Tracking" algorithme. //---------------------------------------- { // Step in state machine. *state = SET_FB_MODE1; } } // No action in this machine for other messages. //---------------------------------------------- else { // End of process. return; } } break; case SET_FS_FB1_MODE0: { if(static_attempt_counter_0 >= 4) // Max number of FB1/Mode0 attempt is reached... Stop process. { #if (VCXO_ALGO == 1) if ((l1_config.params.afc_algo == ALGO_AFC_LQG_PREDICTOR) || (l1_config.params.afc_algo == ALGO_AFC_KALMAN_PREDICTOR)) { if (state_vcxo == FS_FB1_MODE0_CENTER) { // update vcxo state, reset attempts FB1_MODE0 state_vcxo = FS_FB1_MODE0_MAX; static_attempt_counter_0 = 0; break; } else if (state_vcxo == FS_FB1_MODE0_MAX) { // update vcxo state, reset attempts FB1_MODE0 state_vcxo = FS_FB1_MODE0_MIN; static_attempt_counter_0 = 0; break; } } #endif // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); // Reset state machine. *state = RESET; } else // Make a new attempt FB1/mode0. { // Step in state machine. *state = WAIT_FS_FB1_MODE0; // Enable neighbour sync 0. l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; // Wideband search for FB detection. l1a_l1s_com.fb_mode = FB_MODE_0; // Initialize AFC control function. #if AFC_ALGO #if TESTMODE if (l1_config.afc_enable) #endif { #if (VCXO_ALGO == 1) if ((l1_config.params.afc_algo == ALGO_AFC_LQG_PREDICTOR) || (l1_config.params.afc_algo == ALGO_AFC_KALMAN_PREDICTOR)) { if (state_vcxo == FS_FB1_MODE0_CENTER) l1s.afc = l1ctl_afc(AFC_INIT_CENTER, &l1s.afc_frame_count, l1_config.params.eeprom_afc, 0, l1a_l1s_com.nsync.list[0].radio_freq,l1a_l1s_com.mode); else if (state_vcxo == FS_FB1_MODE0_MAX) l1s.afc = l1ctl_afc(AFC_INIT_MAX, &l1s.afc_frame_count, l1_config.params.eeprom_afc, 0, l1a_l1s_com.nsync.list[0].radio_freq,l1a_l1s_com.mode); else if (state_vcxo == FS_FB1_MODE0_MIN) l1s.afc = l1ctl_afc(AFC_INIT_MIN, &l1s.afc_frame_count, l1_config.params.eeprom_afc, 0, l1a_l1s_com.nsync.list[0].radio_freq,l1a_l1s_com.mode); } else l1s.afc = l1ctl_afc(AFC_INIT, &l1s.afc_frame_count, l1_config.params.eeprom_afc, 0, l1a_l1s_com.nsync.list[0].radio_freq,l1a_l1s_com.mode); #else l1s.afc = l1ctl_afc(AFC_INIT, &l1s.afc_frame_count, l1_config.params.eeprom_afc, 0, l1a_l1s_com.nsync.list[0].radio_freq); #endif } #endif // Restart synch process as initialized by L3->L1 msg l1a_l1s_com.nsync.list[0].timing_validity = static_timing_validity; // Enable NSYNC task for FB detection mode 0. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // End of process. return; } } break; case WAIT_FS_FB1_MODE0: { if(SignalCode == L1C_FB_INFO) // Frequency Burst acquisition result. //------------------------------------ { UWORD8 fb_found; // Increment "static_attempt_counter_0". static_attempt_counter_0++; // Get result from message parameters. fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; // Loop on FB reception when making statistics. #if (TRACE_TYPE==3) if (l1_stats.type == FER_FCH_MODE0 || l1_stats.type == FER_FCH_MODE1) { // Enable FB_new. l1a_l1s_com.l1s_en_task[FBNEW] = TASK_ENABLED; // Set FB_new task enable flag. // End of process. return; } #endif if(fb_found == TRUE) // FB attempt is a success. //------------------------- { // Stop the search in this current interval #if (VCXO_ALGO == 1) static_attempt_counter_0 = 4; #endif // Reset "static_attempt_counter_1". static_attempt_counter_1 = 0; // We consider the result of this successfull FB search attempt // as a good a-priori information for next attempt. // "fn_offset" is reversed to satisfy its definition, // fn_offset = Fn_neigh - Fn_serving. l1a_l1s_com.nsync.list[0].timing_validity = 1; l1a_l1s_com.nsync.list[0].fn_offset = 51 - l1a_l1s_com.nsync.list[0].fn_offset; // Step in state machine. *state = SET_FS_FB2_MODE0; } else // FB attempt failled. //-------------------- { // Step in state machine. *state = SET_FS_FB1_MODE0; } } else if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) // Request to STOP reading the FULL BCCH. //--------------------------------------- { l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; case SET_FS_FB2_MODE0: { if (static_attempt_counter_1 >= 4) // Max number of attempt is reached... go back to 1st FB mode 0. // otherwise stop the search and report message with failure indication #if (VCXO_ALGO == 1) { if (state_vcxo == FS_FB1_MODE0_MIN) { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); // Reset state machine. *state = RESET; } else { // Step in state machine. *state = SET_FS_FB1_MODE0; } } #else // VCXO_ALGO { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); // Reset state machine. *state = RESET; } #endif // VCXO_ALGO else // Make a new attempt FB2/mode0. { // Step in state machine. *state = WAIT_FS_FB2_MODE0; // Enable neighbour sync 0. l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; // End of process. return; } } break; case WAIT_FS_FB2_MODE0: { // Use incoming message. //---------------------- if(SignalCode == L1C_FB_INFO) { UWORD8 fb_found; // Increment "static_attempt_counter_1". static_attempt_counter_1++; // Get result from message parameters. fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; if(fb_found == TRUE) // FB attempt is a success. //------------------------- { // Reset "static_attempt_counter_1". static_attempt_counter_1 = 0; // We consider the result of this successfull FB search attempt // as a good a-priori information for next attempt. // "fn_offset" is reversed to satisfy its definition, // fn_offset = Fn_neigh - Fn_serving. l1a_l1s_com.nsync.list[0].timing_validity = 1; l1a_l1s_com.nsync.list[0].fn_offset = 51 - l1a_l1s_com.nsync.list[0].fn_offset; // Step in state machine. *state = SET_FS_FB_MODE1; } else // FB attempt failed. //------------------- { // Step in state machine. *state = SET_FS_FB2_MODE0; } } else if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) // Request to STOP reading the FULL BCCH. //--------------------------------------- { l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; case SET_FS_FB_MODE1: { if(static_attempt_counter_1 >= 4) // Max number of attempt is reached... go back to 1st FB mode 0. // otherwise stop the search and report message with failure indication #if (VCXO_ALGO == 1) { if (state_vcxo == FS_FB1_MODE0_MIN) { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); // Reset state machine. *state = RESET; } else { // Step in state machine. *state = SET_FS_FB1_MODE0; } } #else // VCXO_ALGO { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); // Reset state machine. *state = RESET; } #endif // VCXO_ALGO else // Make a new attempt FB/Mode1. { // Step in state machine. *state = WAIT_FS_FB_MODE1; // Set FB detection mode. l1a_l1s_com.fb_mode = FB_MODE_1; // Enable neighbour sync 0. l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; // End of process. return; } } break; case WAIT_FS_FB_MODE1: { // Use incoming message. //---------------------- if(SignalCode == L1C_FB_INFO) { UWORD8 fb_found; // Increment "static_attempt_counter_1". static_attempt_counter_1++; // get result from message parameters. fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; if(fb_found == TRUE) // FB attempt is a success. //------------------------- { // Reset "static_attempt_counter_1". static_attempt_counter_1 = 0; // Reset "static_sb_found_flag". static_sb_found_flag = FALSE; // Step in state machine. *state = WAIT_FS_SB; // WE SHOULD UPDATE THE APRIORI TIMING. // Enable NSYNC task for SB detection (SB2). #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) l1a_l1s_com.nsync.list[0].timing_validity = SB_ACQUISITION_PHASE; #else l1a_l1s_com.nsync.list[0].timing_validity = 3; #endif // Enable neighbour sync 0. l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; // End of process. return; } else // FB attempt failed. //------------------- { // Step in state machine. *state = SET_FS_FB_MODE1; } } else if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) // Request to STOP reading the FULL BCCH. //--------------------------------------- { l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; case WAIT_FS_SB: { // Use incoming message. //---------------------- if(SignalCode == L1C_SB_INFO) { UWORD8 sb_found = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->sb_flag; UWORD8 bsic = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->bsic; // Increment "static_attempt_counter_1". static_attempt_counter_1++; if(sb_found == TRUE) // SB detection is a success... //----------------------------- { // Save Results. static_sb_found_flag = TRUE; static_bsic = bsic; static_fn_offset = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset; static_time_alignmt = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt; } if(static_attempt_counter_1 >= 8) { #if (TRACE_TYPE==3) // Loop on FB mode 1 detection when making SB statistics. if (l1_stats.type == FER_SCH) { // Reset SB2 task enable flag. l1a_l1s_com.l1s_en_task[SB2] = TASK_DISABLED; // Reset "static_attempt_counter_1". static_attempt_counter_1 = 0; // go back to FB mode 1 detection... *state = SET_FS_FB_MODE1; break; } #endif // Disable NSYNC task. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; if(static_sb_found_flag == TRUE) // SB detection is a success. //---------------------------- { // Save results. l1a_l1s_com.nsync.list[0].fn_offset = static_fn_offset; l1a_l1s_com.nsync.list[0].time_alignmt = static_time_alignmt; // Correct "ntdma" and "time_alignment" to shift 20 bit to the // futur for Normal Burst reading tasks. l1a_add_time_for_nb(&l1a_l1s_com.nsync.list[0].time_alignmt, &l1a_l1s_com.nsync.list[0].fn_offset); // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't followed // the generic rules of the Semaphore shared between L1A and L1S. // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; { l1a_l1s_com.tn_difference = 0; // No timeslot shift to be performed. l1a_l1s_com.dl_tn = 0; // Camping on timeslot 0. } l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. // Clear "time_alignmt, fn_offset" in the result message since we are // going to camp on that cell. ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset = l1a_l1s_com.nsync.list[0].fn_offset; ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt = l1a_l1s_com.nsync.list[0].time_alignmt; ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->sb_flag = static_sb_found_flag; ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->bsic = static_bsic; // Forward result message to L3. l1a_send_result(MPHC_NETWORK_SYNC_IND, msg, RRM1_QUEUE); // keep in memory the last good AFC value old_afc = l1s.afc; // Set flag for toa init. #if (TOA_ALGO != 0) l1a_l1s_com.toa_reset = TRUE; #endif // End of this process. *state = RESET; } else // SB detection failed. //--------------------- { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); // Reset state machine. *state = RESET; } } else // Make a new attempt SB. { // Enable neighbour sync 0. l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; // End of process. return; } } else if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) // Request to STOP reading the FULL BCCH. //--------------------------------------- { l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; // In case of narrowband search case SET_FB_MODE1: { if (static_attempt_counter_0 >= 4) // Max number of FB/Mode1 attempt is reached... Stop process. { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); // Reset state machine. *state = RESET; } else // Make a new attempt FB/Mode1. { // Step in state machine. *state = WAIT_FB_MODE1; // Set FB detection mode. l1a_l1s_com.fb_mode = FB_MODE_1; // Enable neighbour sync 0. l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; // Restart synch process as initialized by L3->L1 msg l1a_l1s_com.nsync.list[0].timing_validity = static_timing_validity; // Enable NSYNC for FB detection mode 1. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // End of process. return; } } break; case WAIT_FB_MODE1: { // Use incoming message. //---------------------- if(SignalCode == L1C_FB_INFO) { UWORD8 fb_found; // Increment "static_attempt_counter_0". static_attempt_counter_0++; // get result from message parameters. fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; // Loop on FB reception when making statistics. #if (TRACE_TYPE==3) if (l1_stats.type == FER_FCH_MODE0 || l1_stats.type == FER_FCH_MODE1 ) { // Enable FB_new. l1a_l1s_com.l1s_en_task[FBNEW] = TASK_ENABLED; // Set FB_new task enable flag. // End of process. return; } #endif if(fb_found == TRUE) // FB attempt is a success. //------------------------- { // Reset "static_attempt_counter_1". static_attempt_counter_1 = 0; // Reset "static_sb_found_flag". static_sb_found_flag = FALSE; // Enable NSYNC task for SB detection (SB2). #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) l1a_l1s_com.nsync.list[0].timing_validity = SB_ACQUISITION_PHASE; #else l1a_l1s_com.nsync.list[0].timing_validity = 3; #endif // Enable neighbour sync 0. l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; // Step in state machine. *state = WAIT_SB; // End of process. return; } else // FB attempt failed. //------------------- { // Step in state machine. *state = SET_FB_MODE1; } } else if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) // Request to STOP reading the FULL BCCH. //--------------------------------------- { l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; case WAIT_SB: { // Use incoming message. //---------------------- if(SignalCode == L1C_SB_INFO) { UWORD8 sb_found = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->sb_flag; UWORD8 bsic = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->bsic; // Increment "static_attempt_counter_1". static_attempt_counter_1++; if(sb_found == TRUE) // SB detection is a success, check plmn... //----------------------------------------- { // Save Results. static_sb_found_flag = TRUE; static_bsic = bsic; static_fn_offset = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset; static_time_alignmt = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt; } if (static_attempt_counter_1 >= 8) { // Reset NSYNC task enable flag. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; if(static_sb_found_flag == TRUE) // SB detection is a success. //---------------------------- { // Save results. l1a_l1s_com.nsync.list[0].fn_offset = static_fn_offset; l1a_l1s_com.nsync.list[0].time_alignmt = static_time_alignmt; // Correct "ntdma" and "time_alignment" to shift 20 bit to the // futur for Normal Burst reading tasks. l1a_add_time_for_nb(&l1a_l1s_com.nsync.list[0].time_alignmt, &l1a_l1s_com.nsync.list[0].fn_offset); // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't followed // the generic rules of the Semaphore shared between L1A and L1S. // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; { l1a_l1s_com.tn_difference = 0; // No timeslot shift to be performed. l1a_l1s_com.dl_tn = 0; // Camping on timeslot 0. } l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. // Clear "time_alignmt, fn_offset" in the result message since we are // going to camp on that cell. ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset = l1a_l1s_com.nsync.list[0].fn_offset; ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt = l1a_l1s_com.nsync.list[0].time_alignmt; // Recreate the last sucessful attempt. ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->sb_flag = static_sb_found_flag; ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->bsic = static_bsic; // Forward result message to L3. l1a_send_result(MPHC_NETWORK_SYNC_IND, msg, RRM1_QUEUE); // Keep in memory the AFC value driving to a good synchro old_afc = l1s.afc; // Initialize toa. #if (TOA_ALGO != 0) l1a_l1s_com.toa_reset = TRUE; #endif // step in state machine. *state = RESET; } else // SB detection failed. //--------------------- { // Send reporting message with a faillure indication. // Set the flag spurious_fb_detected to TRUE to reuse in the // AFC algo the old variables l1s.spurious_fb_detected = TRUE; // reuse the old AFC value l1s.afc = old_afc; l1a_report_failling_ncell_sync(MPHC_NETWORK_SYNC_IND, 0); // Reset state machine. *state = RESET; } } else // Make a new attempt SB. { // Enable neighbour sync 0. l1a_l1s_com.nsync.list[0].status = NSYNC_PENDING; // End of process. return; } } else if(SignalCode == MPHC_STOP_NETWORK_SYNC_REQ) // Request to STOP reading the FULL BCCH. //--------------------------------------- { l1a_send_confirmation(MPHC_STOP_NETWORK_SYNC_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1a_idle_smscb_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles the SMSCB */ /* (Short Message Service Cell Broadcast). */ /* */ /* Starting messages: MPHC_CONFIG_CBCH_REQ */ /* */ /* Subsequent messages: MPHC_CBCH_SCHEDULE_REQ */ /* MPHC_CBCH_INFO_REQ */ /* MPHC_CBCH_UPDATE_REQ */ /* */ /* Result messages (input): L1C_CB_INFO */ /* */ /* Result messages (output): MPHC_DATA_IND */ /* */ /* Reset messages (input): MPHC_STOP_CBCH_REQ */ /* */ /*-------------------------------------------------------*/ void l1a_idle_smscb_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_CONFIG = 1, WAIT_FOR_CHANGE = 2, SET_SCHEDULE = 3, WAIT_RESULT = 4 }; UWORD8 *state = &l1a.state[I_SMSCB]; UWORD32 SignalCode = msg->SignalCode; UWORD32 first_block_0 =0; UWORD32 first_block_1= 0; BOOL extended_cbch =FALSE; //oamps00090550 T_CBCH_HEAD_SCHEDULE *cbch_schedule_ptr= NULL ; UWORD8 schedule_length; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_CONFIG; // Reset SMSCB process. l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; // Clear RAACC task enable flag. } break; case WAIT_CONFIG: { if(SignalCode == MPHC_CONFIG_CBCH_REQ) // CBCH configuration message. //---------------------------------------------------- // L1 must download the CBCH description from the command // message. { WORD8 tn_smscb; #define SMSCB_NCOMB_START_TIME 6 // SMSCB (case not combined, SDCCH/8). #define SMSCB_COMB_START_TIME 30 // SMSCB (case combined, SDCCH/4). // Set "parameter synchro semaphores" l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; // Set "parameter synchro semaphore for SMSCB task. // Download new CBCH parameters. l1a_l1s_com.cbch_desc = ((T_MPHC_CONFIG_CBCH_REQ *)(msg->SigP))->cbch_desc; l1a_l1s_com.cbch_freq_list = ((T_MPHC_CONFIG_CBCH_REQ *)(msg->SigP))->cbch_freq_list; if(l1a_l1s_com.cbch_desc.channel_type == SDCCH_8) // case SDCCH/8... // Rem: Serving tasks on timeslot 0 is a special case, // start frame is 1 later than other cases. { if(l1a_l1s_com.cbch_desc.timeslot_no < l1a_l1s_com.dl_tn) { l1a_l1s_com.cbch_start_in_mf51 = SMSCB_NCOMB_START_TIME; l1a_l1s_com.pre_scheduled_cbch = TRUE; } else { l1a_l1s_com.cbch_start_in_mf51 = SMSCB_NCOMB_START_TIME + 1; l1a_l1s_com.pre_scheduled_cbch = FALSE; } } else // case SDCCH/4... { if(l1a_l1s_com.cbch_desc.timeslot_no < l1a_l1s_com.dl_tn) { l1a_l1s_com.cbch_start_in_mf51 = SMSCB_COMB_START_TIME; l1a_l1s_com.pre_scheduled_cbch = TRUE; } else { l1a_l1s_com.cbch_start_in_mf51 = SMSCB_COMB_START_TIME + 1; l1a_l1s_com.pre_scheduled_cbch = FALSE; } } // Set "change_synchro" flag to trigger L1S to change the synchro on fly // within SMSCB task and to restore current synchro when SMSCB task is completed. if(((l1a_l1s_com.cbch_desc.timeslot_no - l1a_l1s_com.dl_tn + 8) % 8) >=4) { // L1S will make a intra SMSCB task synchro to current TS + 4. l1a_l1s_com.change_synchro_cbch = TRUE; tn_smscb = l1a_l1s_com.cbch_desc.timeslot_no - l1a_l1s_com.dl_tn - 4; } else { // L1S will NOT make the intra SMSCB task synchro. l1a_l1s_com.change_synchro_cbch = FALSE; tn_smscb = l1a_l1s_com.cbch_desc.timeslot_no - l1a_l1s_com.dl_tn; } if(tn_smscb < 0) l1a_l1s_com.tn_smscb = tn_smscb + 8; else l1a_l1s_com.tn_smscb = tn_smscb; // Disable TB1/2/3/5/6/7 reading. l1a_l1s_com.cbch_info_req.cbch_num = 0; l1a_l1s_com.cbch_info_req.next = 0; // Reset the CBCH/TB0/TB4 activity. l1a_l1s_com.norm_cbch_schedule.cbch_state = CBCH_INACTIVE; l1a_l1s_com.ext_cbch_schedule.cbch_state = CBCH_INACTIVE; // Step in state machine. *state = WAIT_FOR_CHANGE; } // end of process. end_process = 1; } break; case WAIT_FOR_CHANGE: { if(SignalCode == MPHC_CBCH_SCHEDULE_REQ) // CBCH scheduling message. //---------------------------------------------------- { // Stop SMSCB task. l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; // Clear SMSCB task enable flag. // Set "parameter synchro semaphore for SMSCB task. l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; extended_cbch = ((T_MPHC_CBCH_SCHEDULE_REQ *)(msg->SigP))->extended_cbch; schedule_length = ((T_MPHC_CBCH_SCHEDULE_REQ *)(msg->SigP))->schedule_length; // Choose schedule table according to the considered CBCH (normal or extended). if(extended_cbch) cbch_schedule_ptr = &l1a_l1s_com.ext_cbch_schedule; else cbch_schedule_ptr = &l1a_l1s_com.norm_cbch_schedule; // Correction of BUG2176: CBCH_HEAD_STRUCTURE has to be updated with schedule_length // value, potentially used in SET_SCHEDULE state after receipt of an CBCH_UPDATE_REQ cbch_schedule_ptr->schedule_length = schedule_length; if(schedule_length == 0) { // Continuous CBCH header reading. //-------------------------------- // No scheduling info provided, L1 must start reading continously TB0 on // normal CBCH or TB4 on extended CBCH. cbch_schedule_ptr->cbch_state = CBCH_CONTINUOUS_READING; // Continuous reading must start immediately. cbch_schedule_ptr->start_continuous_fn = -1; // Activate SMSCB task. l1a_l1s_com.l1s_en_task[SMSCB] = TASK_ENABLED; // Set SMSCB task enable flag. // Step in state machine. *state = WAIT_RESULT; // End of process. return; } else { UWORD32 starting_fn; // Scheduled CBCH header reading. //-------------------------------- cbch_schedule_ptr->cbch_state = CBCH_SCHEDULED; first_block_0 = ((T_MPHC_CBCH_SCHEDULE_REQ *)(msg->SigP))->first_block_0; first_block_1 = ((T_MPHC_CBCH_SCHEDULE_REQ *)(msg->SigP))->first_block_1; // Compute "schedule period" starting frame number. // Note: the reception of MPHC_CBCH_SCHEDULE_REQ schedule message always // refers to a scheduling period starting at the next "8*MF51" boundary. // There is no real time issue there since we have plenty TDMA frame // between the reception of the scheduling message from CBCH and the // starting of the considered scheduling period. starting_fn = l1s.actual_time.fn - (l1s.actual_time.fn%(8*51)) + 8*51; if(starting_fn >= MAX_FN) starting_fn -= MAX_FN; cbch_schedule_ptr->starting_fn = starting_fn; // Step in state machine. *state = SET_SCHEDULE; } } else if(SignalCode == MPHC_CBCH_INFO_REQ) // CBCH info request message. //---------------------------------------------------- { UWORD32 starting_fn; UWORD8 i,j; UWORD8 tb_bitmap; // This request message is a consequence of a CBCH/TB0 or CBCH/TB4 reading. // Stop SMSCB task. l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; // Set "parameter synchro semaphore for SMSCB task. l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; // Store TB bitmap from message. tb_bitmap = ((T_MPHC_CBCH_INFO_REQ *)(msg->SigP))->tb_bitmap; // Compute next TB1 multiframe 51 starting frame number. starting_fn = l1s.actual_time.fn - (l1s.actual_time.fn%(8*51)) + 51; if(starting_fn >= MAX_FN) starting_fn -= MAX_FN; // Compute schedule table according to the provided bitmap. j=0; for(i=0; i<3; i++) // TB 1\2\3 { if(tb_bitmap & (1L<<i)) { l1a_l1s_com.cbch_info_req.start_fn[j] = (starting_fn + (UWORD32)i*51L + l1a_l1s_com.cbch_start_in_mf51) % MAX_FN; j++; } } // End "for" for(i=3; i<6; i++) // TB 4\5\6 { if(tb_bitmap & (1L<<i)) { l1a_l1s_com.cbch_info_req.start_fn[j] = (starting_fn + (UWORD32)i*51L + l1a_l1s_com.cbch_start_in_mf51 + 51L) % MAX_FN; j++; } } // End "for" // Store number of CBCH info to read. l1a_l1s_com.cbch_info_req.cbch_num = j; l1a_l1s_com.cbch_info_req.next = 0; // Activate SMSCB task. l1a_l1s_com.l1s_en_task[SMSCB] = TASK_ENABLED; // Set SMSCB task enable flag. // Step in state machine. *state = WAIT_RESULT; // End of process. return; } else if(SignalCode == MPHC_CBCH_UPDATE_REQ) // CBCH scheduling message. //---------------------------------------------------- { // Stop SMSCB task. l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; // Clear SMSCB task enable flag. // Set "parameter synchro semaphore for SMSCB task. l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; extended_cbch = ((T_MPHC_CBCH_UPDATE_REQ *)(msg->SigP))->extended_cbch; // Choose schedule table according to the considered CBCH (normal or extended). if(extended_cbch) cbch_schedule_ptr = &l1a_l1s_com.ext_cbch_schedule; else cbch_schedule_ptr = &l1a_l1s_com.norm_cbch_schedule; // Scheduled CBCH header reading. //-------------------------------- cbch_schedule_ptr->cbch_state = CBCH_SCHEDULED; first_block_0 = ((T_MPHC_CBCH_UPDATE_REQ *)(msg->SigP))->first_block_0; first_block_1 = ((T_MPHC_CBCH_UPDATE_REQ *)(msg->SigP))->first_block_1; // DO NOT CHANGE "cbch_schedule_ptr->starting_fn" content. // Step in state machine. *state = SET_SCHEDULE; } else if(SignalCode == MPHC_STOP_CBCH_REQ) // Request to STOP reading the CBCH. //---------------------------------- { BOOL normal_cbch = ((T_MPHC_STOP_CBCH_REQ *)(msg->SigP))->normal_cbch; BOOL extended_cbch = ((T_MPHC_STOP_CBCH_REQ *)(msg->SigP))->extended_cbch; // Stop SMSCB task. l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; // Set "parameter synchro semaphore for SMSCB task. l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; if(normal_cbch) l1a_l1s_com.norm_cbch_schedule.cbch_state = CBCH_INACTIVE; if(extended_cbch) l1a_l1s_com.ext_cbch_schedule.cbch_state = CBCH_INACTIVE; if((l1a_l1s_com.norm_cbch_schedule.cbch_state == CBCH_INACTIVE) && (l1a_l1s_com.ext_cbch_schedule.cbch_state == CBCH_INACTIVE)) // This process must be reset. { // send confirmation l1a_send_confirmation(MPHC_STOP_CBCH_CON,RRM1_QUEUE); // Step in state machine. *state = RESET; } else { // Activate SMSCB task. l1a_l1s_com.l1s_en_task[SMSCB] = TASK_ENABLED; // Step in state machine. *state = WAIT_RESULT; // End of process. return; } } else if(SignalCode == L1C_DEDIC_DONE) { // Stop SMSCB task. l1a_l1s_com.l1s_en_task[SMSCB] = TASK_DISABLED; // Set "parameter synchro semaphore for SMSCB task. l1a_l1s_com.task_param[SMSCB] = SEMAPHORE_SET; l1a_l1s_com.norm_cbch_schedule.cbch_state = CBCH_INACTIVE; l1a_l1s_com.ext_cbch_schedule.cbch_state = CBCH_INACTIVE; // Step in state machine. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; case SET_SCHEDULE: { if(cbch_schedule_ptr != NULL) { UWORD8 i,j; UWORD8 mf51_offset; // Choose schedule table according to the considered CBCH (normal or extended). if(extended_cbch) mf51_offset = 4*51; // Offset to read TB4. else mf51_offset = 0; // No offset to read TB0. // Compute schedule table according to the provided bitmap. j=0; for(i=0; i<48; i++) { if(i<32) { if(first_block_0 & (1L<<i)) { cbch_schedule_ptr->first_block[j] = (cbch_schedule_ptr->starting_fn + (UWORD32)i*8L*51L + l1a_l1s_com.cbch_start_in_mf51 + mf51_offset) % MAX_FN; j++; } } else { if(first_block_1 & (1L<<(i-32))) { cbch_schedule_ptr->first_block[j] = (cbch_schedule_ptr->starting_fn + (UWORD32)i*8L*51L + l1a_l1s_com.cbch_start_in_mf51 + mf51_offset) % MAX_FN; j++; } } } // End "for" // Compute FN for starting continuous CBCH/TB0 reading. // Rem: this FN is given by the starting FN of the schedule period starting // immediately after the schedule period considered in the message. cbch_schedule_ptr->start_continuous_fn = ( cbch_schedule_ptr->starting_fn + (UWORD32)cbch_schedule_ptr->schedule_length*8L*51L + l1a_l1s_com.cbch_start_in_mf51 + mf51_offset ) % MAX_FN; // Store number of scheduled CBCH according to the considered CBCH (normal or extended). // Store "schedule period" starting frame number. cbch_schedule_ptr->cbch_num = j; cbch_schedule_ptr->next = NULL;//o omaps 00090550 // Activate SMSCB task. l1a_l1s_com.l1s_en_task[SMSCB] = TASK_ENABLED; // Set SMSCB task enable flag. // Step in state machine. *state = WAIT_RESULT; } // End of process. return; } case WAIT_RESULT: { if(SignalCode == L1C_CB_INFO) // CBCH result message. //--------------------- { // Forward result message to L3. l1a_send_result(MPHC_DATA_IND, msg, RRM1_QUEUE); // End of process. return; } else if((SignalCode == MPHC_CBCH_SCHEDULE_REQ) || (SignalCode == MPHC_CBCH_UPDATE_REQ) || (SignalCode == MPHC_CBCH_INFO_REQ)) // Request to reconsider the ongoing CBCH activity. //----------------------------------------------------------- { // Step in state machine. *state = WAIT_FOR_CHANGE; } else if((SignalCode == MPHC_STOP_CBCH_REQ)||(SignalCode == L1C_DEDIC_DONE)) // Request to (may be partially) STOP reading the CBCH. //----------------------------------------------------- { // This process must be reset. *state = WAIT_FOR_CHANGE; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. end_process = 1; } } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1a_access_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles the access */ /* to the network while in IDLE mode. */ /* */ /* Starting messages: MPHC_RA_REQ */ /* */ /* Subsequent messages: MPHC_RA_REQ */ /* */ /* Result messages (input): L1C_RA_DONE */ /* */ /* Result messages (output): MPHC_RA_CON */ /* */ /* Reset message (input): MPHC_STOP_RA_REQ */ /* */ /* Reset message (input): MPHC_STOP_RA_CON */ /*-------------------------------------------------------*/ void l1a_access_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_RESULT = 2 }; UWORD8 *state = &l1a.state[ACCESS]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset RAACC process. l1a_l1s_com.l1s_en_task[RAACC] = TASK_DISABLED; // Clear RAACC task enable flag. } break; case WAIT_INIT: { if(SignalCode == MPHC_RA_REQ) // 1st Random access request message. //----------------------------------- { UWORD8 supplied_txpwr; // Download Transmit power configuration. supplied_txpwr = ((T_MPHC_RA_REQ *)(msg->SigP))->txpwr; #if (L1_FF_MULTIBAND == 0) //Config. if ((l1_config.std.id == DUAL) || (l1_config.std.id == DUALEXT) || (l1_config.std.id == DUAL_US)) { l1a_l1s_com.powerclass_band1 = ((T_MPHC_RA_REQ *)(msg->SigP))->powerclass_band1; l1a_l1s_com.powerclass_band2 = ((T_MPHC_RA_REQ *)(msg->SigP))->powerclass_band2; } else { l1a_l1s_com.powerclass_band1 = ((T_MPHC_RA_REQ *)(msg->SigP))->powerclass_band1; } #endif // Check max transmit power (min txpwr) according to powerclass // and clip to MIN_TXPWR_LEVEL. supplied_txpwr = l1a_clip_txpwr(supplied_txpwr,l1a_l1s_com.Scell_info.radio_freq); // Given value must be used on 1st TX. l1s.applied_txpwr = supplied_txpwr; // Init RAACC process. l1a_l1s_com.ra_info.rand = ((T_MPHC_RA_REQ *)(msg->SigP))->rand; l1a_l1s_com.ra_info.channel_request = ((T_MPHC_RA_REQ *)(msg->SigP))->channel_request; // Increment "rand" value in order to avoid to abort RACH by SYNCHRO task // when MPHC_START_CCCH_REQ and MPHC_RA_REQ are sent in same TDMA. l1a_l1s_com.ra_info.rand+=4; // step in state machine. *state = WAIT_RESULT; // Change mode to connection establishment part 1. l1a_l1s_com.mode = CON_EST_MODE1; // Activate RAACC task (no semaphore for UL tasks). // Enable Paging Reorg and Normal paging tasks. l1a_l1s_com.l1s_en_task[RAACC] = TASK_ENABLED; // Set RAACC task enable flag. } // end of process. end_process = 1; } break; case WAIT_RESULT: { if(SignalCode == L1C_RA_DONE) // Random access acqnowledge message. //----------------------------------- { // Forward result message to L3. l1a_send_result(MPHC_RA_CON, msg, RRM1_QUEUE); // Change mode to connection establishment part 2. l1a_l1s_com.mode = CON_EST_MODE2; // end of process. return; } else if(SignalCode == MPHC_RA_REQ) // Random access message. //----------------------- { // REM: rand is added the msg content since its current content is the already // spent "slots" from the last RACH sending. l1a_l1s_com.ra_info.rand += ((T_MPHC_RA_REQ *)(msg->SigP))->rand; l1a_l1s_com.ra_info.channel_request = ((T_MPHC_RA_REQ *)(msg->SigP))->channel_request; // Activate RAACC task (no semaphore for UL tasks). l1a_l1s_com.l1s_en_task[RAACC] = TASK_ENABLED; // Set RAACC task enable flag. // end of process. return; } else if(SignalCode == MPHC_STOP_RA_REQ) // Request to STOP the LINK ACCESS procedure. //------------------------------------------- { #if L1_GPRS UWORD8 i; // Store MAX TXPWR value to be used for first Tx PDCH blocks for(i = 0; i < 8; i++) { l1pa_l1ps_com.transfer.dl_pwr_ctrl.txpwr[i] = l1s.applied_txpwr; } #endif // send confirmation l1a_send_confirmation(MPHC_STOP_RA_CON,RRM1_QUEUE); // This process must be reset. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. end_process = 1; } } break; } // end of "switch". } // end of "while" } // end of procedure. //----------------------------------------------------------------------------------------------- /*-------------------------------------------------------*/ /* l1a_dedicated_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles the dedicated*/ /* mode setup (L1A side). */ /* */ /* Starting messages: MPHC_IMMED_ASSIGN_REQ */ /* */ /* Subsequent messages: MPHC_CHANNEL_ASSIGN_REQ */ /* MPHC_SYNC_HO_REQ */ /* MPHC_PRE_SYNC_HO_REQ */ /* MPHC_PSEUDO_SYNC_HO_REQ */ /* MPHC_ASYNC_HO_REQ */ /* MPHC_ASYNC_HO_COMPLETE */ /* MPHC_HANDOVER_FAIL_REQ */ /* MPHC_CHANGE_FREQUENCY */ /* OML1_CLOSE_TCH_LOOP_REQ */ /* OML1_OPEN_TCH_LOOP_REQ */ /* OML1_START_DAI_TEST_REQ */ /* OML1_STOP_DAI_TEST_REQ */ /* */ /* Result messages (input): L1C_DEDIC_DONE */ /* L1C_SACCH_INFO */ /* */ /* Result messages (output): MPHC_CHANNEL_ASSIGN_CON */ /* MPHC_SYNC_HO_CON */ /* MPHC_PRE_SYNC_HO_CON */ /* MPHC_PSEUDO_SYNC_HO_CON */ /* MPHC_ASYNC_HO_CON */ /* MPHC_TA_FAIL_IND */ /* MPHC_DATA_IND */ /* OML1_CLOSE_TCH_LOOP_CON */ /* OML1_OPEN_TCH_LOOP_CON */ /* OML1_START_DAI_TEST_CON */ /* OML1_STOP_DAI_TEST_CON */ /* */ /* Reset messages (input): MPHC_CHANNEL_RELEASE */ /* */ /*-------------------------------------------------------*/ void l1a_dedicated_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_MSG = 2 }; T_DEDIC_SET *free_set; UWORD8 *state = &l1a.state[DEDICATED]; UWORD32 SignalCode = msg->SignalCode; static UWORD32 static_ho_fail_time_alignmt; static UWORD32 static_ho_fail_fn_offset; static T_DEDIC_SET *static_ho_fail_aset; #if ((L1_EOTD==1) && (L1_EOTD_QBIT_ACC == 1)) static UWORD32 static_serv_fn_offset = 0; static UWORD32 static_serv_time_alignmt = 0; #endif BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset L1S dedicated mode manager trigger. l1a_l1s_com.dedic_set.SignalCode = NULL; } break; case WAIT_INIT: { switch(SignalCode) // switch on input message. //------------------------------- { case MPHC_IMMED_ASSIGN_REQ: // Immediate assignement message. //------------------------------- { UWORD8 maio_bef_sti; #if (L1_FF_MULTIBAND == 1) UWORD16 operative_radio_freq; #endif // Get Ptr to the free dedicated parameter set. // All important fields are initialised. free_set = l1a_get_free_dedic_set(); // Save given dedicated channel parameters from MPHC_IMMED_ASSIGN_REQ msg. //======================================================================== // Rem1: Mode is forced to Signalling Only. free_set->chan1.mode = SIG_ONLY_MODE; free_set->chan1.desc = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->channel_desc; free_set->ma.freq_list = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->frequency_list; free_set->ma.freq_list_bef_sti = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->frequency_list_bef_sti; maio_bef_sti = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->maio_bef_sti; free_set->new_timing_advance = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->timing_advance; free_set->dtx_allowed = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->dtx_allowed; l1a_l1s_com.dedic_set.pwrc = ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->pwrc; //---------------------------------------------- //Rem: bcch_allocation, ba_id are not used!!!!!! //---------------------------------------------- // New Timing Advance value must be applied on 1st frame of dedic. channel. free_set->timing_advance = free_set->new_timing_advance; // TXPWR command was given in Idle, save it in dedicated mode structure. free_set->new_target_txpwr = l1s.applied_txpwr; // Serving Cell stays the same. free_set->cell_desc = l1a_l1s_com.Scell_info; #if (L1_FF_MULTIBAND == 0) free_set->cell_desc.traffic_meas_beacon = l1a_l1s_com.last_input_level[l1a_l1s_com.Scell_info.radio_freq - l1_config.std.radio_freq_index_offset]; free_set->cell_desc.traffic_meas = l1a_l1s_com.last_input_level[l1a_l1s_com.Scell_info.radio_freq - l1_config.std.radio_freq_index_offset]; #else // L1_FF_MULTIBAND = 1 below operative_radio_freq = l1_multiband_radio_freq_convert_into_operative_radio_freq(l1a_l1s_com.Scell_info.radio_freq); free_set->cell_desc.traffic_meas_beacon = l1a_l1s_com.last_input_level[operative_radio_freq]; free_set->cell_desc.traffic_meas = l1a_l1s_com.last_input_level[operative_radio_freq]; #endif // #if (L1_FF_MULTIBAND == 0) else // Decode the "starting time field", since staying on the same serving // the same STI fn is saved in both "neig_sti_fn" and "serv_sti_fn". free_set->neig_sti_fn = l1a_decode_starting_time(((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->starting_time); free_set->serv_sti_fn = free_set->neig_sti_fn; // Check/Fill "before starting time" fields. l1a_fill_bef_sti_param(free_set, ((T_MPHC_IMMED_ASSIGN_REQ *)(msg->SigP))->starting_time.start_time_present); // Use provided "before starting time MAIO" if hopping channel. if(free_set->chan1.desc_bef_sti.chan_sel.h) free_set->chan1.desc_bef_sti.chan_sel.rf_channel.hopping_rf.maio = maio_bef_sti; // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't followed // the generic rules of the Semaphore shared between L1A and L1S. // Save the "timeslot difference" between new and old configuration // in "tn_difference". // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; { l1a_l1s_com.tn_difference += free_set->chan1.desc.timeslot_no - l1a_l1s_com.dl_tn; l1a_l1s_com.dl_tn = free_set->chan1.desc.timeslot_no; // Save new TN id. } l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. // Set "fset" pointer to the new parameter set. l1a_l1s_com.dedic_set.fset = free_set; // Give new msg code to L1S. l1a_l1s_com.dedic_set.SignalCode = MPHC_IMMED_ASSIGN_REQ; #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); #endif // Set confirmation message name. l1a.confirm_SignalCode = MPHC_IMMED_ASSIGN_CON; // step in state machine. *state = WAIT_MSG; } break; case MPHC_CHANNEL_ASSIGN_REQ: // Channel assignement message. //----------------------------- { UWORD8 supplied_txpwr; UWORD16 tch_radio_freq; #if ((REL99 == 1) && (FF_BHO == 1)) //restore long_rem_handover_type from previous handover activites l1a_l1s_com.dedic_set.long_rem_handover_type = 0; //reset handover to normal #endif // #if ((REL99 == 1) && (FF_BHO == 1)) #if(L1_CHECK_COMPATIBLE == 1) l1a.stop_req = FALSE; #endif // Get Ptr to the free dedicated parameter set. free_set = l1a_get_free_dedic_set(); // Save given dedicated channel parameters from MPHC_CHANNEL_ASSIGN_REQ msg. //=============================================================--========== free_set->chan1.desc = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_desc_1; free_set->chan1.desc_bef_sti = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_desc_1_bef_sti; free_set->chan1.mode = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_mode_1; free_set->chan2.desc = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_desc_2; free_set->chan2.desc_bef_sti = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_desc_2_bef_sti; free_set->chan2.mode = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->channel_mode_2; free_set->ma.freq_list = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->frequency_list; free_set->ma.freq_list_bef_sti = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->frequency_list_bef_sti; free_set->dtx_allowed = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->dtx_allowed; supplied_txpwr = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->txpwr; #if (AMR == 1) // download AMR ver 1.0 information free_set->amr_configuration = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->amr_configuration; free_set->cmip = C_AMR_CMIP_DEFAULT; #endif #if (TRACE_TYPE==3) l1_stats.chan_mode = free_set->chan1.mode; #endif // Determine which band we are transmitting on if(free_set->chan1.desc.chan_sel.h == TRUE) // we are hopping therefore tch_radio_freq = free_set->ma.freq_list.rf_chan_no.A[0]; // take band from first element in maio list else // else take band from fixed radio_freq tch_radio_freq = free_set->chan1.desc.chan_sel.rf_channel.single_rf.radio_freq; // Check max transmit power (min txpwr) according to powerclass // and clip to MIN_TXPWR_LEVEL using new TCH radio_freq info. supplied_txpwr = l1a_clip_txpwr(supplied_txpwr,tch_radio_freq); free_set->new_target_txpwr = supplied_txpwr; if(((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->cipher_mode != 0) free_set->a5mode = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->a5_algorithm + 1; else free_set->a5mode = 0; // Grab the cipher key free_set->ciph_key = ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->cipher_key; // Serving Cell stays the same. free_set->cell_desc = l1a_l1s_com.Scell_info; // Decode the "starting time field", since staying on the same serving // the same STI fn is saved in both "neig_sti_fn" and "serv_sti_fn". free_set->neig_sti_fn = l1a_decode_starting_time(((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->starting_time); free_set->serv_sti_fn = free_set->neig_sti_fn; // Check/Fill "before starting time" fields. l1a_fill_bef_sti_param(free_set, ((T_MPHC_CHANNEL_ASSIGN_REQ *)(msg->SigP))->starting_time.start_time_present); // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't followed // the generic rules of the Semaphore shared between L1A and L1S. // Save the "timeslot difference" between new and old configuration // in "tn_difference". // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; { l1a_l1s_com.tn_difference += free_set->chan1.desc.timeslot_no - l1a_l1s_com.dl_tn; l1a_l1s_com.dl_tn = free_set->chan1.desc.timeslot_no; // Save new TN id. } l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. // Carry over the previous "tch_loop" settings for HW bit error testing */ free_set->chan1.tch_loop = l1a_l1s_com.dedic_set.aset->chan1.tch_loop; free_set->chan2.tch_loop = l1a_l1s_com.dedic_set.aset->chan2.tch_loop; // Set "fset" pointer to the new parameter set. l1a_l1s_com.dedic_set.fset = free_set; // Give new msg code to L1S. l1a_l1s_com.dedic_set.SignalCode = MPHC_CHANNEL_ASSIGN_REQ; #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); #endif // Set confirmation message name. l1a.confirm_SignalCode = MPHC_CHANNEL_ASSIGN_CON; // step in state machine. *state = WAIT_MSG; } break; case MPHC_SYNC_HO_REQ: case MPHC_PRE_SYNC_HO_REQ: case MPHC_PSEUDO_SYNC_HO_REQ: case MPHC_ASYNC_HO_REQ: // Handover messages. //------------------- { WORD32 new_ta = 0; BOOL nci = 0; UWORD16 radio_freq; UWORD16 tch_radio_freq; UWORD32 ncc; UWORD32 bcc; UWORD32 time_alignmt = 0; UWORD32 fn_offset = 0; UWORD8 supplied_txpwr; #if (L1_FF_MULTIBAND == 1) UWORD16 operative_radio_freq; #endif #if ((REL99 == 1) && (FF_BHO == 1)) // Get the handover type: regular or blind switch(SignalCode) { case MPHC_SYNC_HO_REQ: { l1a_l1s_com.dedic_set.handover_type = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_type; } break; case MPHC_PRE_SYNC_HO_REQ: { l1a_l1s_com.dedic_set.handover_type = ((T_MPHC_PRE_SYNC_HO_REQ *)(msg->SigP))->handover_type; } break; case MPHC_ASYNC_HO_REQ: { l1a_l1s_com.dedic_set.handover_type = ((T_MPHC_ASYNC_HO_REQ *)(msg->SigP))->handover_type; } break; case MPHC_PSEUDO_SYNC_HO_REQ: { l1a_l1s_com.dedic_set.handover_type = ((T_MPHC_PSEUDO_SYNC_HO_REQ *)(msg->SigP))->handover_type; } break; } // BCCH frequency of target cell l1a_l1s_com.dedic_set.bcch_carrier_of_nbr_cell = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.cell_description.bcch_carrier; //Store handover type in another variable to be used in L1S till handover finished is issued. l1a_l1s_com.dedic_set.long_rem_handover_type = l1a_l1s_com.dedic_set.handover_type; #endif // #if ((REL99 == 1) && (FF_BHO == 1)) // Get Ptr to the free dedicated parameter set. free_set = l1a_get_free_dedic_set(); /*--------------------------------------------------------------*/ /* Save msg content in the free "DEDICATED PARAM. STRUCT." */ /* Rem: since the HANDOVER PARAMETER structure is on the top of */ /* each handover message, we can access it using any "cast". */ /* Here we chose the "(T_MPHC_SYNC_HO_REQ *)". */ /*--------------------------------------------------------------*/ // Download timing information from the command message. #if ((REL99 == 1) && (FF_BHO == 1)) if (l1a_l1s_com.dedic_set.handover_type == NORMAL_HANDOVER) #endif { time_alignmt = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->time_alignmt; fn_offset = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->fn_offset; } // Save time difference between new serving and previous one // in case of HANDOVER FAIL. static_ho_fail_time_alignmt = (5000 - time_alignmt) % 5000; static_ho_fail_fn_offset = (1 + MAX_FN - fn_offset) % MAX_FN; #if ((L1_EOTD==1) && (L1_EOTD_QBIT_ACC ==1)) // Save time_alignmt and fn_offset for Serving Cell E-OTD // in case of handover failure... static_serv_fn_offset = l1a_l1s_com.nsync.serv_fn_offset; static_serv_time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; l1a_l1s_com.nsync.serv_fn_offset = 0; l1a_l1s_com.nsync.serv_time_alignmt = 0; #endif if(time_alignmt == 0) // The 2 base stations are seen qbit synchronized... // -> Prevent frame diff. side effect. { static_ho_fail_fn_offset = (static_ho_fail_fn_offset + MAX_FN - 1) % MAX_FN; } // Save Acitve dedicated mode parameter set // in case of HANDOVER FAIL. static_ho_fail_aset = l1a_l1s_com.dedic_set.aset; // Setup new serving cell information. radio_freq = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.cell_description.bcch_carrier; ncc = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.cell_description.ncc; bcc = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.cell_description.bcc; free_set->cell_desc.radio_freq = radio_freq; free_set->cell_desc.bsic = (bcc) | (ncc << 3); free_set->cell_desc.time_alignmt = time_alignmt; free_set->cell_desc.fn_offset = fn_offset; free_set->cell_desc.meas.acc = 0; free_set->cell_desc.meas.nbr_meas = 0; #if (L1_FF_MULTIBAND == 0) // TBD free_set->cell_desc.traffic_meas_beacon = l1a_l1s_com.last_input_level[radio_freq - l1_config.std.radio_freq_index_offset]; free_set->cell_desc.traffic_meas = l1a_l1s_com.last_input_level[radio_freq - l1_config.std.radio_freq_index_offset]; #else // L1_FF_MULTIBAND = 1 below operative_radio_freq = l1_multiband_radio_freq_convert_into_operative_radio_freq(radio_freq); free_set->cell_desc.traffic_meas_beacon = l1a_l1s_com.last_input_level[operative_radio_freq]; free_set->cell_desc.traffic_meas = l1a_l1s_com.last_input_level[operative_radio_freq]; #endif // #if (L1_FF_MULTIBAND == 1) else // Download the message content. free_set->chan1.desc = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_desc_1; free_set->chan1.desc_bef_sti = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_desc_1_bef_sti; free_set->chan1.mode = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_mode_1; free_set->chan2.desc = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_desc_2; free_set->chan2.desc_bef_sti = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_desc_2_bef_sti; free_set->chan2.mode = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.channel_mode_2; free_set->ma.freq_list = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.frequency_list; free_set->ma.freq_list_bef_sti = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.frequency_list_bef_sti; supplied_txpwr = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.txpwr; #if (AMR == 1) // download AMR ver 1.0 information switch(SignalCode) { case MPHC_SYNC_HO_REQ: { free_set->amr_configuration = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->amr_configuration; } break; case MPHC_PRE_SYNC_HO_REQ: { free_set->amr_configuration = ((T_MPHC_PRE_SYNC_HO_REQ *)(msg->SigP))->amr_configuration; } break; case MPHC_ASYNC_HO_REQ: { free_set->amr_configuration = ((T_MPHC_ASYNC_HO_REQ *)(msg->SigP))->amr_configuration; } break; } free_set->cmip = C_AMR_CMIP_DEFAULT; #endif // Determine which band we are transmitting on if(free_set->chan1.desc.chan_sel.h == TRUE) // we are hopping therefore tch_radio_freq = free_set->ma.freq_list.rf_chan_no.A[0]; // take band from first element in maio list else // else take band from fixed radio_freq tch_radio_freq = free_set->chan1.desc.chan_sel.rf_channel.single_rf.radio_freq; // Check max transmit power (min txpwr) according to powerclass // and clip to MIN_TXPWR_LEVEL using new TCH radio_freq info. supplied_txpwr = l1a_clip_txpwr(supplied_txpwr,tch_radio_freq); free_set->new_target_txpwr = supplied_txpwr; free_set->ho_acc = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.ho_acc; // Copy in cipher key Kc. free_set->ciph_key = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->cipher_key; if(((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.cipher_mode != 0) free_set->a5mode = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.a5_algorithm + 1; else free_set->a5mode = 0; // Decode the "starting time field". Since changing the serving cell // a different STI fn is saved in "neig_sti_fn" and "serv_sti_fn". free_set->neig_sti_fn = l1a_decode_starting_time(((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.starting_time); if(free_set->neig_sti_fn != -1) free_set->serv_sti_fn = (free_set->neig_sti_fn - free_set->cell_desc.fn_offset + MAX_FN) % MAX_FN; // Check/Fill "before starting time" fields. l1a_fill_bef_sti_param(free_set, ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.starting_time.start_time_present); // TIMING ADVANCED COMPUTATION...(GSM05.10) //-------------------------------- switch(SignalCode) { case MPHC_SYNC_HO_REQ: case MPHC_PSEUDO_SYNC_HO_REQ: { WORD32 t1_hbit; WORD32 otd_hbit; if(SignalCode == MPHC_SYNC_HO_REQ) // Synchronous Handover { l1a.confirm_SignalCode = MPHC_SYNC_HO_CON; // Set confirmation message name. //rtd_hbit_mod256 = 0; nci = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->nci; } // Compute Timing Advance TA. //--------------------------- // t1 = t0 + OTD - RTD (GSM05.10, $A1.3) // OTD: Observed Time Difference. ( OTD = time(BTS0) - time(BTS1) ) // RTD: Report Time Difference. // t0: one way line of sight propagation MS-BTS0 (old BTS) ( t0 = TA(BTS0) / 2 ). // t1: one way line of sight propagation MS-BTS1 (new BTS) ( t1 = TA(BTS1) / 2 ). /*** Convert QBO to Half bits (HBO) ***/ otd_hbit = (((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->time_alignmt / 2); // If OTD is too high, it should be seen as a Negative value. if(otd_hbit > 1250) { /*** Cell is advanced in timing from serving, hence TDMA arrives earlier => Smaller Timing Advance and OTD is -ve ***/ otd_hbit -= 2500 ; } else { /*** Cell is retarted in timing from serving, hence TDMA arrives later => Larger Timing Advance and OTD is +ve ***/ } t1_hbit = (WORD32) (otd_hbit + (WORD32) l1a_l1s_com.dedic_set.aset->new_timing_advance); if(t1_hbit < 0) t1_hbit = 0; new_ta = t1_hbit; } break; case MPHC_PRE_SYNC_HO_REQ: // Pre-Synchronous Handover... { l1a.confirm_SignalCode = MPHC_PRE_SYNC_HO_CON; // Set confirmation message name. if(((T_MPHC_PRE_SYNC_HO_REQ *)(msg->SigP))->timing_advance_valid) new_ta = ((T_MPHC_PRE_SYNC_HO_REQ *)(msg->SigP))->timing_advance; else new_ta = 1; } break; case MPHC_ASYNC_HO_REQ: // Asynchronous Handover... { l1a.confirm_SignalCode = MPHC_ASYNC_HO_CON; // Set confirmation message name. } break; } // End switch... // Ensure TA is never set to > 63. if(new_ta > 63) { if(nci == 1) // Out of range TA must trigger a HO failure procedure. // GSM04.08, $3.4.4.4 and $10.5.2.39. { // Send confirmation message to L3. l1a_send_confirmation(MPHC_TA_FAIL_IND,RRM1_QUEUE); // step in state machine. *state = WAIT_MSG; // Stop current L1A process. return; } else // Max TA is 63. { new_ta = 63; } } // Save computed TA in the new set. // This new TA shall be applied on 1st frame of new channel. free_set->new_timing_advance = (UWORD8)new_ta; free_set->timing_advance = free_set->new_timing_advance; #if ((REL99 == 1) && (FF_BHO == 1)) free_set->nci = nci; free_set->report_time_diff = ((T_MPHC_SYNC_HO_REQ *)(msg->SigP))->handover_command.report_time_diff; if(SignalCode == MPHC_PSEUDO_SYNC_HO_REQ) free_set->real_time_difference = ((T_MPHC_PSEUDO_SYNC_HO_REQ *)(msg->SigP))->real_time_difference; #endif // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't followed // the generic rules of the Semaphore shared between L1A and L1S. // Save the "timeslot difference" between new and old configuration // in "tn_difference". // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. #if ((REL99 == 1) && (FF_BHO == 1)) if(l1a_l1s_com.dedic_set.handover_type == NORMAL_HANDOVER) { #endif l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; { l1a_l1s_com.tn_difference += free_set->chan1.desc.timeslot_no - l1a_l1s_com.dl_tn; l1a_l1s_com.dl_tn = free_set->chan1.desc.timeslot_no; // Save new TN id. } l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. #if ((REL99 == 1) && (FF_BHO == 1)) } #endif //#if ((REL99 == 1) && (FF_BHO == 1)) // Set "fset" pointer to the new parameter set. l1a_l1s_com.dedic_set.fset = free_set; #if ((REL99 == 1) && (FF_BHO == 1)) // check whether handover is Normal or Blind. If it is normal handover, // follow the normal path. Otherwise go to blind handover state. if(l1a_l1s_com.dedic_set.handover_type == NORMAL_HANDOVER) { #endif // #if ((REL99 == 1) && (FF_BHO == 1)) // Give new msg code to L1S. // Rem: only 2 cases handled by L1S, SYNC and ASYNC. if(SignalCode == MPHC_ASYNC_HO_REQ) l1a_l1s_com.dedic_set.SignalCode = MPHC_ASYNC_HO_REQ; else l1a_l1s_com.dedic_set.SignalCode = MPHC_SYNC_HO_REQ; #if ((REL99 == 1) && (FF_BHO == 1)) } else // Handover type is blind. { // step in state machine. free_set->HO_SignalCode = SignalCode; // Give new msg code to L1S. (below process is done by l1a_dedicated_process()) l1a_l1s_com.dedic_set.SignalCode = MPHC_STOP_DEDICATED_REQ; } #endif // #if ((REL99 == 1) && (FF_BHO == 1)) #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); #endif // step in state machine. *state = WAIT_MSG; } break; case MPHC_HANDOVER_FAIL_REQ: // Handover failled, we must go back to the previous channel. //----------------------------------------------------------- { // Give back the previous configuration in the "fset" ptr. l1a_l1s_com.dedic_set.fset = static_ho_fail_aset; // Set confirmation message name. l1a.confirm_SignalCode = MPHC_HANDOVER_FAIL_CON; #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dedic(SignalCode); #endif #if ((L1_EOTD==1) && (L1_EOTD_QBIT_ACC ==1)) // Restore E-OTD serving cell time_alignmt and fn_offset // from the cached versions... l1a_l1s_com.nsync.serv_fn_offset = static_serv_fn_offset; l1a_l1s_com.nsync.serv_time_alignmt = static_serv_time_alignmt; #endif // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. l1a_sub_timeslot(&static_ho_fail_time_alignmt, &static_ho_fail_fn_offset, l1a_l1s_com.dl_tn); // Setup new serving cell information. l1a_l1s_com.dedic_set.fset->cell_desc.time_alignmt = static_ho_fail_time_alignmt; l1a_l1s_com.dedic_set.fset->cell_desc.fn_offset = static_ho_fail_fn_offset; // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't followed // the generic rules of the Semaphore shared between L1A and L1S. // Since switching to a neigh cell, the known time_alignmt is about TN=0. // Set "tn_difference" with the new timeslot. // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; { l1a_l1s_com.tn_difference += l1a_l1s_com.dedic_set.fset->chan1.desc.timeslot_no; l1a_l1s_com.dl_tn = l1a_l1s_com.dedic_set.fset->chan1.desc.timeslot_no; // Save new TN id. } l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. // Give new msg code to L1S. l1a_l1s_com.dedic_set.SignalCode = SignalCode; // step in state machine. *state = WAIT_MSG; } break; case MPHC_STOP_DEDICATED_REQ: // Release dedicated mode message. //-------------------------------- { // Give new msg code to L1S. l1a_l1s_com.dedic_set.SignalCode = SignalCode; #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); #endif // step in state machine. *state = WAIT_MSG; } break; case MPHC_CHANGE_FREQUENCY: // Frequency redefinition msg. //---------------------------- { UWORD8 subchannel; // Get Ptr to the free dedicated parameter set. free_set = l1a_get_free_dedic_set(); // Download Active set in the new set. *free_set = *l1a_l1s_com.dedic_set.aset; // Get subchannel for the target channel. subchannel = ((T_MPHC_CHANGE_FREQUENCY *)(msg->SigP))->channel_desc.subchannel; // Copy current parameters to BEF STI. free_set->chan1.desc_bef_sti = free_set->chan1.desc; free_set->chan2.desc_bef_sti = free_set->chan2.desc; free_set->ma.freq_list_bef_sti = free_set->ma.freq_list; // Download new param in AFTER STI. free_set->ma.freq_list = ((T_MPHC_CHANGE_FREQUENCY *)(msg->SigP))->frequency_list; if(subchannel == free_set->chan1.desc.subchannel) // Target channel is CHAN1. free_set->chan1.desc = ((T_MPHC_CHANGE_FREQUENCY *)(msg->SigP))->channel_desc; else // Target channel is CHAN2. free_set->chan2.desc = ((T_MPHC_CHANGE_FREQUENCY *)(msg->SigP))->channel_desc; // Compute starting time. free_set->neig_sti_fn = l1a_decode_starting_time(((T_MPHC_CHANGE_FREQUENCY *)(msg->SigP))->starting_time); free_set->serv_sti_fn = free_set->neig_sti_fn; // Set FREQUENCY REDEFINITION flag to trigger a confirmation when STI is reached. free_set->freq_redef_flag = TRUE; // Set "fset" pointer to the new parameter set. l1a_l1s_com.dedic_set.fset = free_set ; // Give new msg code to L1S. l1a_l1s_com.dedic_set.SignalCode = SignalCode; // step in state machine. *state = WAIT_MSG; } break; } // end of "switch(SignalCode)". // end of process. end_process = 1; } break; case WAIT_MSG: { switch(SignalCode) // switch on input message. //------------------------------- { case L1C_DEDIC_DONE: // Dedicated channel activated. //----------------------------- { // Send confirmation message to L3. l1a_send_confirmation(l1a.confirm_SignalCode,RRM1_QUEUE); // End of process. end_process = 1; } break; case L1C_REDEF_DONE: // Dedicated channel activated. //----------------------------- { // Send confirmation message to L3. l1a_send_confirmation(MPHC_CHANGE_FREQUENCY_CON,RRM1_QUEUE); // End of process. end_process = 1; } break; case L1C_HANDOVER_FINISHED: // HANDOVER finished. //------------------- { #if ((REL99 == 1) && (FF_BHO == 1)) // Forwarding the BHO params to L2/L3. ((T_MPHC_HANDOVER_FINISHED *)(msg->SigP))->fn_offset = l1a_l1s_com.dedic_set.fn_offset;//static_nsync_bho.fn_offset; ((T_MPHC_HANDOVER_FINISHED *)(msg->SigP))->time_alignment = l1a_l1s_com.dedic_set.time_alignment;//static_nsync_bho.time_alignmt; #endif // Forward result message to L3. l1a_send_result(MPHC_HANDOVER_FINISHED, msg, RRM1_QUEUE); // End of process. end_process = 1; } break; case MPHC_CHANNEL_MODE_MODIFY_REQ: // New parameters are given concerning channel mode. //-------------------------------------------------- { l1a_l1s_com.dedic_set.mode_modif.subchannel = ((T_MPHC_CHANNEL_MODE_MODIFY_REQ *)(msg->SigP))->subchannel; l1a_l1s_com.dedic_set.mode_modif.channel_mode = ((T_MPHC_CHANNEL_MODE_MODIFY_REQ *)(msg->SigP))->channel_mode; #if (AMR == 1) // download AMR ver 1.0 information l1a_l1s_com.dedic_set.mode_modif.amr_configuration = ((T_MPHC_CHANNEL_MODE_MODIFY_REQ *)(msg->SigP))->amr_configuration; l1a_l1s_com.dedic_set.aset->cmip = C_AMR_CMIP_DEFAULT; #endif // Give new msg code to L1S. l1a_l1s_com.dedic_set.SignalCode = SignalCode; // Send confirmation message to L3. l1a_send_confirmation(MPHC_CHANNEL_MODE_MODIFY_CON,RRM1_QUEUE); // End of process. end_process = 1; } break; case OML1_CLOSE_TCH_LOOP_REQ: // Close TCH loop. //---------------- // Rem: frame_erasure field is supposed to contain "Y" and "Z" bit from // CLOSE_TCH_LOOP_CMD (GSM11.10 $36.2.4.1). Wait for confirmation // from CAPDEBIS. WARNING!!!!!!!!!1 // frame_erasure | Loop | tch_loop // ---------------|--------|----------- // | none | 0 // 0 | A | 1 // 1 | B | 2 // 2 | C | 3 // 3 | D | 4 // 4 | E | 5 // 5 | F | 6 // 6 | I | 7 { if(l1a_l1s_com.mode == DEDIC_MODE) // Command message is valid only when dedic. mode is running. { UWORD8 subchannel = ((T_OML1_CLOSE_TCH_LOOP_REQ *)(msg->SigP))->sub_channel; UWORD8 tch_loop = ((T_OML1_CLOSE_TCH_LOOP_REQ *)(msg->SigP))->frame_erasure + 1; if(subchannel == l1a_l1s_com.dedic_set.aset->chan1.desc.subchannel) // Loop must be closed on CHAN1, this is done "on fly". { l1a_l1s_com.dedic_set.aset->chan1.tch_loop = tch_loop; } else // Loop must be closed on CHAN2, this is done "on fly". { l1a_l1s_com.dedic_set.aset->chan2.tch_loop = tch_loop; } // Send confirmation message to L3. l1a_send_confirmation(OML1_CLOSE_TCH_LOOP_CON,RRM1_QUEUE); } // End of process. end_process = 1; } break; case OML1_OPEN_TCH_LOOP_REQ: // Open TCH loop. //--------------- { // Any loop is opened, this is done "on fly". l1a_l1s_com.dedic_set.aset->chan1.tch_loop = 0; l1a_l1s_com.dedic_set.aset->chan2.tch_loop = 0; // Send confirmation message to L3. l1a_send_confirmation(OML1_OPEN_TCH_LOOP_CON,RRM1_QUEUE); // End of process. end_process = 1; } break; case OML1_START_DAI_TEST_REQ: // Start DAI test. //---------------- // tested_device | dai_mode | test // ---------------|-----------|-------------------- // 0 | 0 | no test // 1 | 2 | speech decoder // 2 | 1 | speech encoder // 3 | 0 | no test // 4 | 3 | Acouustic devices { const UWORD8 dai_transcode[] = {0, 2, 1, 0, 3}; const UWORD8 dai_vbctl3[] = {0, 1, 2, 0, 3}; UWORD32 vbctl3; UWORD8 dai_mode = dai_transcode[((T_OML1_START_DAI_TEST_REQ *)(msg->SigP))->tested_device]; // DAI mode is set "on fly". l1a_l1s_com.dedic_set.aset->dai_mode = dai_mode; // program vbctl3 // bit 12 | bit 11 // ---------------- // 1 | 1 Acouustic devices // 1 | 0 speech encoder // 0 | 1 speech decoder // 0 | 0 no test #if ((ANALOG == 1) || (ANALOG == 2) || (ANALOG == 3) || (ANALOG == 11)) vbctl3 = ( (l1s_dsp_com.dsp_ndb_ptr ->d_dai_onoff & 0xE7FF) | (dai_vbctl3[((T_OML1_START_DAI_TEST_REQ *)(msg->SigP))->tested_device] << 11) ); l1s_dsp_com.dsp_ndb_ptr ->d_dai_onoff = vbctl3 | TRUE; #endif // Give new msg code to L1S. l1a_l1s_com.dedic_set.SignalCode = SignalCode; // Send confirmation message to L3. #if (OP_RIV_AUDIO == 1) l1a_audio_send_confirmation(OML1_START_DAI_TEST_CON); #else l1a_send_confirmation(OML1_START_DAI_TEST_CON,RRM1_QUEUE); #endif // End of process. end_process = 1; } break; case OML1_STOP_DAI_TEST_REQ: { UWORD32 vbctl3; // DAI test is stopped "on fly". l1a_l1s_com.dedic_set.aset->dai_mode = 0; #if ((ANALOG == 1) || (ANALOG == 2) || (ANALOG == 3)) // program vbctl3 vbctl3 = (l1s_dsp_com.dsp_ndb_ptr ->d_dai_onoff & 0xE7FF); l1s_dsp_com.dsp_ndb_ptr ->d_dai_onoff = vbctl3 | TRUE; #endif // Give new msg code to L1S. l1a_l1s_com.dedic_set.SignalCode = SignalCode; // Send confirmation message to L3. #if (OP_RIV_AUDIO == 1) l1a_audio_send_confirmation(OML1_STOP_DAI_TEST_CON); #else l1a_send_confirmation(OML1_STOP_DAI_TEST_CON,RRM1_QUEUE); #endif // End of process. end_process = 1; } break; case MPHC_SET_CIPHERING_REQ: // Ciphering must be started or stopped. //-------------------------------------- { if (l1a_l1s_com.dedic_set.handover_fail_mode) // The current state is the dedicated mode during an handover fail // the request must be ignored. // And a confirmation is returned to the L3. { // Send confirmation message to L3. l1a_send_confirmation(MPHC_SET_CIPHERING_CON,RRM1_QUEUE); } else { // GSM 4.08 $10.5.2.9 says (we suppose that "a5_algorithm" is // loaded with "algorithm identifier" and "cipher_mode" with // "SC"). // a5_algorithm from msg | A5 algo | a5_algorithm in dedic set // -----------------------|--------------|-------------------------- // | | 0 (no ciphering) // 0 | A5/1 | 1 // 1 | A5/2 | 2 // 2 | A5/3 | 3 // 3 | A5/4 | 4 // 4 | A5/5 | 5 // 5 | A5/6 | 6 // 6 | A5/7 | 7 UWORD8 cipher_mode = ((T_MPHC_SET_CIPHERING_REQ *)(msg->SigP))->cipher_mode; l1a_l1s_com.dedic_set.aset->ciph_key = ((T_MPHC_SET_CIPHERING_REQ *)(msg->SigP))->new_ciph_param; if(cipher_mode != 0) // Save A5 algo. l1a_l1s_com.dedic_set.aset->a5mode = ((T_MPHC_SET_CIPHERING_REQ *)(msg->SigP))->a5_algorithm + 1; else // No cipering. l1a_l1s_com.dedic_set.aset->a5mode = 0; // Give new msg code to L1S. l1a_l1s_com.dedic_set.SignalCode = SignalCode; // Send confirmation message to L3. l1a_send_confirmation(MPHC_SET_CIPHERING_CON,RRM1_QUEUE); } end_process = 1; } break; case L1C_SACCH_INFO: // SACCH result messages. //----------------------- { // Forward result message to L3. l1a_send_result(PH_DATA_IND, msg, DLL1_QUEUE); // end of process. end_process = 1; } break; case L1C_STOP_DEDICATED_DONE: // Dedicated channel released //----------------------------- { #if ((REL99 == 1) && (FF_BHO == 1)) // This event is disregarded in case of blind handover // (target cell synchro started) if(l1a_l1s_com.dedic_set.handover_type != BLIND_HANDOVER) #endif { // Send confirmation message to L3. l1a_send_confirmation(MPHC_STOP_DEDICATED_CON,RRM1_QUEUE); // Step in state machine. *state = RESET; } // end of process. end_process = 1; } break; case MPHC_STOP_DEDICATED_REQ: case MPHC_CHANNEL_ASSIGN_REQ: case MPHC_SYNC_HO_REQ: case MPHC_PRE_SYNC_HO_REQ: case MPHC_PSEUDO_SYNC_HO_REQ: case MPHC_ASYNC_HO_REQ: case MPHC_HANDOVER_FAIL_REQ: case MPHC_CHANGE_FREQUENCY: // Reset messages. //---------------- { // Step in state machine. *state = RESET; } break; #if ((REL99 == 1) && (FF_BHO == 1)) case L1C_FBSB_INFO: { T_DEDIC_SET *free_set = l1a_l1s_com.dedic_set.fset; BOOL fb_found = ((T_L1C_FBSB_INFO*)(msg->SigP))->fb_flag; BOOL sb_found = ((T_L1C_FBSB_INFO*)(msg->SigP))->sb_flag; UWORD8 bsic = ((T_L1C_FBSB_INFO*)(msg->SigP))->bsic; UWORD32 fn_offset = ((T_L1C_FBSB_INFO*)(msg->SigP))->fn_offset; UWORD32 time_alignmt = ((T_L1C_FBSB_INFO*)(msg->SigP))->time_alignmt; if ((fb_found == FALSE) || (sb_found == FALSE) || (bsic != free_set->cell_desc.bsic)) // ------------------------ // FB + SB detection failed // ------------------------ { // Send reporting message with a faillure indication. xSignalHeaderRec *msg_new; msg_new = os_alloc_sig(sizeof(T_MPHC_HANDOVER_FINISHED)); DEBUGMSG(status,NU_ALLOC_ERR) msg_new->SignalCode = MPHC_HANDOVER_FINISHED; if (fb_found == FALSE) { // FB attempt failed. ((T_MPHC_HANDOVER_FINISHED *)(msg_new->SigP))->cause = HO_FB_FAIL; } else // (fb_found == FALSE) { // SB attempt failed. // or BSIC is not matching. ((T_MPHC_HANDOVER_FINISHED *)(msg_new->SigP))->cause = HO_SB_FAIL; } // (fb_found == FALSE) l1a_send_result(MPHC_HANDOVER_FINISHED, msg_new, RRM1_QUEUE); // Reset handover to normal l1a_l1s_com.dedic_set.handover_type = 0; // End of process. end_process=1;//return; } else //((fb_found == FALSE) || (sb_found == FALSE) || (bsic != free_set->cell_desc.bsic)) // ------------------------- // FB + SB detection success // ------------------------- { // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. l1a_add_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); // update time_alignmt and fn_offset of new cell free_set->cell_desc.fn_offset = fn_offset; free_set->cell_desc.time_alignmt = time_alignmt; if(free_set->neig_sti_fn != -1) free_set->serv_sti_fn = (free_set->neig_sti_fn - free_set->cell_desc.fn_offset + MAX_FN) % MAX_FN; // This is to send across fn_offset and time_alignmt of new cell to L2/L3. l1a_l1s_com.dedic_set.fn_offset = fn_offset; l1a_l1s_com.dedic_set.time_alignment = time_alignmt; // reset handover to normal l1a_l1s_com.dedic_set.handover_type = 0; SignalCode = free_set->HO_SignalCode; // Save time difference between new serving and previous one // in case of HANDOVER FAIL. static_ho_fail_time_alignmt = (5000 - time_alignmt) % 5000; static_ho_fail_fn_offset = (1 + MAX_FN - fn_offset) % MAX_FN; if (time_alignmt == 0) // The 2 base stations are seen qbit synchronized... // -> Prevent frame diff. side effect. { static_ho_fail_fn_offset = (static_ho_fail_fn_offset + MAX_FN - 1) % MAX_FN; } // TIMING ADVANCED COMPUTATION...(GSM05.10) //----------------------------------------- switch(SignalCode) { case MPHC_SYNC_HO_REQ: case MPHC_PSEUDO_SYNC_HO_REQ: { WORD32 t1_hbit; WORD32 otd_hbit; WORD32 new_ta = 0; BOOL nci = 0; if(SignalCode == MPHC_SYNC_HO_REQ) // Synchronous Handover { nci = free_set->nci; } // Compute Timing Advance TA. //--------------------------- // t1 = t0 + OTD - RTD (GSM05.10, $A1.3) // OTD: Observed Time Difference. ( OTD = time(BTS0) - time(BTS1) ) // RTD: Report Time Difference. // t0: one way line of sight propagation MS-BTS0 (old BTS) ( t0 = TA(BTS0) / 2 ). // t1: one way line of sight propagation MS-BTS1 (new BTS) ( t1 = TA(BTS1) / 2 ). // Convert QBO to Half bits (HBO) otd_hbit = (time_alignmt / 2); // If OTD is too high, it should be seen as a Negative value. if(otd_hbit > 1250) { // Cell is advanced in timing from serving, hence TDMA arrives earlier // => Smaller Timing Advance and OTD is -ve otd_hbit -= 2500 ; } else { // Cell is retarted in timing from serving, hence TDMA arrives later // => Larger Timing Advance and OTD is +ve } t1_hbit = (WORD32) (otd_hbit + (WORD32) static_ho_fail_aset->new_timing_advance); if(t1_hbit < 0) t1_hbit = 0; new_ta = t1_hbit; // Ensure TA is never set to > 63. if(new_ta > 63) { if(nci == 1) // Out of range TA must trigger a HO failure procedure. // GSM04.08, $3.4.4.4 and $10.5.2.39. { // Send confirmation message to L3. l1a_send_confirmation(MPHC_TA_FAIL_IND,RRM1_QUEUE); // End of process. return; } else // Max TA is 63. { new_ta = 63; } } // Save computed TA in the new set. // This new TA shall be applied on 1st frame of new channel. free_set->new_timing_advance = (UWORD8)new_ta; free_set->timing_advance = free_set->new_timing_advance; } break; case MPHC_PRE_SYNC_HO_REQ: // Pre-Synchronous Handover... { // no action for this message } break; case MPHC_ASYNC_HO_REQ: // Asynchronous Handover... { // no action for this message } break; } // End switch... // In order to keep tn_difference and dl_tn consistent, we need to avoid // the execution of the SYNCHRO task with tn_difference updated and // dl_tn not yet updated (this can occur if we go in the HISR just after // the update of tn_difference). To do this the solution is to use the Semaphore // associated to the SYNCHRO task. SYNCHRO task will be schedule only if its // associated Semaphore is reset. // Note: Due to the specificity of the SYNCHRO task which can be enabled // by L1A state machines as by L1S processes, the semaphore can't follow // the generic rules of the Semaphore shared between L1A and L1S. // Save the "timeslot difference" between new and old configuration // in "tn_difference". // tn_difference -> loaded with the number of timeslot to shift. // dl_tn -> loaded with the new timeslot. l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_SET; l1a_l1s_com.tn_difference += free_set->chan1.desc.timeslot_no - l1a_l1s_com.dl_tn; l1a_l1s_com.dl_tn = free_set->chan1.desc.timeslot_no; // Save new TN id. l1a_l1s_com.task_param[SYNCHRO] = SEMAPHORE_RESET; // Note: The using of the semaphore associated to the SYNCHRO task can't be done // as it is for the other semaphores. This is due to the specificity of the SYNCHRO // task both touch by L1A and L1S. Here above the semaphore is set prior to touching // the SYNCHRO parameters and reset after. In L1S this semaphore is checked. If it's // seen SET then L1S will not execute SYNCHRO task nor modify its parameters. // Give new msg code to L1S. // Rem: only 2 cases handled by L1S, SYNC and ASYNC. if(SignalCode == MPHC_ASYNC_HO_REQ) { l1a_l1s_com.dedic_set.SignalCode = MPHC_ASYNC_HO_REQ; } else { l1a_l1s_com.dedic_set.SignalCode = MPHC_SYNC_HO_REQ; } if (((l1a_l1s_com.dedic_set.SignalCode == MPHC_ASYNC_HO_REQ ) || (l1a_l1s_com.dedic_set.SignalCode == MPHC_SYNC_HO_REQ )) && (l1a_l1s_com.dedic_set.aset != NULL) && (l1a_l1s_com.l1s_en_task[DEDIC] == TASK_DISABLED)) l1a_l1s_com.l1s_en_task[DEDIC] = TASK_ENABLED; #if (TRACE_TYPE==5) && FLOWCHART trace_flowchart_dedic(l1a_l1s_com.dedic_set.SignalCode); #endif // End of process. end_process=1;// return; } // if ((fb_found == FALSE) || (sb_found == FALSE) || (bsic != free_set->cell_desc.bsic)) } // case L1C_FBSB_INFO: break; #endif // #if ((REL99 == 1) && (FF_BHO == 1)) default: // End of process. //---------------- { end_process = 1; } } // end of "switch(SignalCode)". } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1a_dedic6_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles the 6 strong.*/ /* neighbor cells management in dedicated mode. */ /* */ /* Remark: in dedicated mode there is no reason to use */ /* the task parameters semaphores since there is no */ /* ambiguity and no asynchronous/synchronous conflict to */ /* care about. */ /* */ /* Starting messages: L1C_DEDIC_DONE */ /* */ /* Result messages (input): L1C_FB_INFO */ /* L1C_SB_INFO */ /* L1C_SBCONF_INFO */ /* */ /* Reset messages (input): MPHC_CHANNEL_RELEASE */ /* */ /*-------------------------------------------------------*/ #if (L1_12NEIGH == 0) void l1a_dedic6_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_FB_RESULT = 2, WAIT_SB_RESULT = 3, WAIT_SBCONF_RESULT = 4 }; UWORD8 *state = &l1a.state[DEDIC_6]; UWORD32 SignalCode = msg->SignalCode; static UWORD8 nb_fb_attemp; // use only in packet transfer mode // these variables memorize this SBCNF parameters. static UWORD32 time_alignmt_mem; static UWORD32 fn_offset_mem; while(1) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset DEDIC6 tasks. l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; } break; case WAIT_INIT: { #if (L1_GPRS) // This machine works only for DEDICATED MODE and PACKET TRANSFER MODE // (Remark: PACKET TRANSFER MODE activated == PDTCH task activated) if((l1a_l1s_com.mode != DEDIC_MODE) && (l1a_l1s_com.l1s_en_task[PDTCH] != TASK_ENABLED)) return; #else // This machine works only for DEDICATED MODE. if (l1a_l1s_com.mode != DEDIC_MODE) return; #endif if(SignalCode == MPHC_NCELL_FB_SB_READ) // Request to make a synchro. ACQUISITION attempt with the given ARFCN. //--------------------------------------------------------------------- // L1 makes 1 attempt to read the Frequency Burst (FBNEW task). // 1 attempt to read the Synchro Burst (SB2 task). { if (l1a_l1s_com.dedic_set.handover_fail_mode) // The current state is the dedicated mode during an handover fail // the request must be ignored. // Therefor the reporting message with a faillure indication is sent back { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); // Reset state machine. *state = RESET; // End of process. return; } else { // Set task semaphores. l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; // Set SB51 task semaphore. l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set SB26 task semaphore. l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; // Set SBCNF51 task semaphore. l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; // Set SBCNF26 task semaphore. // This process always use the first element of "nsync" structure. l1a_l1s_com.nsync.current_list_size = 0; // Download Radio Freq Nb from the command message. // Other "nsync" parameters are unused. l1a_l1s_com.nsync.list[0].radio_freq = ((T_MPHC_NCELL_FB_SB_READ *)(msg->SigP))->radio_freq; // Step in state machine. *state = WAIT_FB_RESULT; // Enable FB task. if (l1a_l1s_com.mode == DEDIC_MODE) { UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) { nb_fb_attemp = 1; // 1 attempt for FB51 detection. l1a_l1s_com.l1s_en_task[FB51] = TASK_ENABLED; } else { nb_fb_attemp = 11; // 11 attempts for FB26 detection. l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; } } #if (L1_GPRS) else { // packet transfer mode nb_fb_attemp = 11; // 11 attempts for FB26 detection. l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; } #endif // End of process. return; } } else if(SignalCode == MPHC_NCELL_SB_READ) // Request to make a synchro. CONFIRMATION attempt with the given ARFCN. //--------------------------------------------------------------------- // L1 makes 1 attempt to read the Synchro Burst (SBCONF task). { if (l1a_l1s_com.dedic_set.handover_fail_mode) // The current state is the dedicated mode during an handover fail // The request must be ignored // Therefor the reporting message with a failure indication is sent back { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); // Reset state machine. *state = RESET; // End of process. return; } else { UWORD32 time_alignmt; UWORD32 fn_offset; // Set semaphores for all neighbor relative task. l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; // Set SB51 task semaphore. l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set SB26 task semaphore. l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; // Set SBCNF51 task semaphore. l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; // Set SBCNF26 task semaphore. // Download ARFCN & timing information from the command message. time_alignmt = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->time_alignmt; fn_offset = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->fn_offset; time_alignmt_mem = time_alignmt; fn_offset_mem = fn_offset; // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_sub_time_for_nb(&time_alignmt, &fn_offset); // Save neighbor information in the neighbor confirmation cell structure. l1a_l1s_com.nsync.list[0].radio_freq = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->radio_freq; l1a_l1s_com.nsync.list[0].time_alignmt = time_alignmt; l1a_l1s_com.nsync.list[0].fn_offset = fn_offset; // Step in state machine. *state = WAIT_SBCONF_RESULT; // Enable SBCONF task. if (l1a_l1s_com.mode == DEDIC_MODE) { UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_ENABLED; else l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_ENABLED; } #if (L1_GPRS) else { // packet transfer mode l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_ENABLED; } #endif // End of process. return; } } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; // case WAIT_INIT case WAIT_FB_RESULT: { // Use incoming message. //---------------------- if(SignalCode == L1C_FB_INFO) { if (l1a_l1s_com.dedic_set.handover_fail_mode) // The current state is trhe dedicated mode during an handover fail // The monitoring task must be stopped // And the reporting message with a failure indication must be sent back { // Disable the FB detection task l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); // Reset state machine. *state = RESET; } else { BOOL fb_found; // get result from message parameters. fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; if(fb_found == TRUE) // FB attempt is a success. //------------------------- { // Step in state machine. *state = WAIT_SB_RESULT; // Enable SB task. if (l1a_l1s_com.mode == DEDIC_MODE) { UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) // case SDCCH, mutliframe 51... { l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; // Disable FB51 task. l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; // Set synchro semaphore for SB51 task. l1a_l1s_com.l1s_en_task[SB51] = TASK_ENABLED; // Enable SB51. } else // Dedicated D26 mode or Packet Transfer mode. { l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; // Disable FB26 task. l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set synchro semaphore for SB26 task. l1a_l1s_com.l1s_en_task[SB26] = TASK_ENABLED; // Enable SB51. } } #if (L1_GPRS) else { // packet transfer mode l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; // Disable FB26 task. l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set synchro semaphore for SB26 task. l1a_l1s_com.l1s_en_task[SB26] = TASK_ENABLED; // Enable SB51. l1a_l1s_com.nsync.list[0].sb26_attempt =0; } #endif // End of process. return; } else // FB attempt failed. //------------------- { // REM: // case SDCCH, mutliframe 51..., FB51: 1 attempt. // case TCH, mutliframe 26..., FB26: 11 attempts. if(--nb_fb_attemp == 0) { // Disable the FB detection task l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); // Reset state machine. *state = RESET; } else return; } // endif fb_found }// endif l1a_l1s_com.dedic_set.handover_fail_mode } else // test in mode D26: L1C_DEDIC_DONE if(SignalCode == L1C_DEDIC_DONE) // New channel activated. //----------------------- { UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; //--------------------------------------------- // We restart the FB detection from scratch !!! //--------------------------------------------- // Set semaphores for all neighbor relative task. l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. // Step in state machine. *state = WAIT_FB_RESULT; if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) { nb_fb_attemp = 1; // 1 attempt for FB51 detection. l1a_l1s_com.l1s_en_task[FB51] = TASK_ENABLED; } else { nb_fb_attemp = 11; // 11 attempts for FB26 detection. l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; } // End of process. return; } #if (L1_GPRS) else // a new synchronisation was performed if(((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->tn_difference!=0)) || (SignalCode == L1P_ALLOC_EXHAUST_DONE) || (SignalCode == L1P_REPEAT_ALLOC_DONE) || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *) (msg->SigP))->tn_difference!=0) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all==0))) // New channel activated. //----------------------- { //--------------------------------------------- // We restart the FB detection from scratch !!! //--------------------------------------------- // Set semaphores for all neighbor relative task. l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. // Step in state machine. *state = WAIT_FB_RESULT; nb_fb_attemp = 11; // 11 attempts for FB26 detection. l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; // End of process. return; } #endif else #if (L1_GPRS) // End of packet transfer mode if TBF downlink and uplink have been released if((SignalCode == MPHC_STOP_DEDICATED_REQ) || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all))) #else if(SignalCode == MPHC_STOP_DEDICATED_REQ) #endif // Reset messages. //---------------- { // Step in state machine. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; case WAIT_SB_RESULT: { if(SignalCode == L1C_SB_INFO) // Synchro Burst acquisition attempt result. //------------------------------------------ { BOOL sb_found = ((T_L1C_SB_INFO *)(msg->SigP))->sb_flag; #if (L1_GPRS) static UWORD8 SB26_attempt_counter =0; #endif if(sb_found == TRUE) // SB detection is a success. { UWORD32 *fn_offset_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->fn_offset); UWORD32 *time_alignmt_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->time_alignmt); #if (L1_GPRS) if(l1a_l1s_com.l1s_en_task[PDTCH] == TASK_ENABLED) { SB26_attempt_counter = 0; // reset for next time } #endif // Correct "fn_offset" and "time_alignmt" to report the true // Serving/Neighbor time difference. // 1) Shift 20 bit since result is from a SB detection. // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); // This process must be reset. *state = RESET; } else // SB detection failled. { #if L1_GPRS if(l1a_l1s_com.l1s_en_task[DEDIC] == TASK_ENABLED) //--------------------------------------------- // Dedicated mode tasks are enabled. //--------------------------------------------- { #endif // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); // This process must be reset. *state = RESET; #if L1_GPRS } else if(l1a_l1s_com.l1s_en_task[PDTCH] == TASK_ENABLED) //--------------------------------------------- // Packet Transfer mode task is enabled. //--------------------------------------------- { SB26_attempt_counter++; if (SB26_attempt_counter >= 2) { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); SB26_attempt_counter = 0; // This process must be reset. *state = RESET; } else { // End of process. return; } } #endif } } else // test in mode D26: L1C_DEDIC_DONE if (SignalCode == L1C_DEDIC_DONE) // New channel activated. //----------------------- { UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; //--------------------------------------------- // We restart the FB detection from scratch !!! //--------------------------------------------- // Disable SB26 and SB51 l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; // Set semaphores for all neighbor relative task. l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. // Step in state machine. *state = WAIT_FB_RESULT; if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) { nb_fb_attemp = 1; // 1 attempt for FB51 detection. l1a_l1s_com.l1s_en_task[FB51] = TASK_ENABLED; } else { nb_fb_attemp = 11; // 11 attempts for FB26 detection. l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; } // End of process. return; } #if (L1_GPRS) else // a new synchronisation was performed if(((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->tn_difference!=0)) || (SignalCode == L1P_ALLOC_EXHAUST_DONE) || (SignalCode == L1P_REPEAT_ALLOC_DONE) || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *) (msg->SigP))->tn_difference!=0) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all==0))) // New channel activated. //----------------------- { //--------------------------------------------- // We restart the FB detection from scratch !!! //--------------------------------------------- // Disable SB26 and SB51 l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; // Set semaphores for all neighbor relative task. l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. // Step in state machine. *state = WAIT_FB_RESULT; nb_fb_attemp = 11; // 11 attempts for FB26 detection. l1a_l1s_com.l1s_en_task[FB26] = TASK_ENABLED; // End of process. return; } #endif else #if (L1_GPRS) // in packet transfer mode: test PDTCH to be sure that TBF downlink and uplink are released if((SignalCode == MPHC_STOP_DEDICATED_REQ) || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all))) #else if(SignalCode == MPHC_STOP_DEDICATED_REQ) #endif // Reset messages. //---------------- { // Step in state machine. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; case WAIT_SBCONF_RESULT: { if(SignalCode == L1C_SBCONF_INFO) // Synchro Burst acquisition attempt result. //------------------------------------------ { UWORD8 sb_found = ((T_L1C_SBCONF_INFO *)(msg->SigP))->sb_flag; if(sb_found == TRUE) // SB detection is a success. { UWORD32 *fn_offset_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_offset); UWORD32 *time_alignmt_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->time_alignmt); // Correct "fn_offset" and "time_alignmt" to report the true // Serving/Neighbor time difference. // 1) Shift 20 bit since result is from a SB detection. // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); // This process must be reset. *state = RESET; } else // SB detection failled. { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); // This process must be reset. *state = RESET; } } else #if (L1_GPRS) // a new synchronisation was performed if((SignalCode == L1C_DEDIC_DONE) || ((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->tn_difference!=0)) || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *) (msg->SigP))->tn_difference!=0) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all==0)) || (SignalCode == L1P_ALLOC_EXHAUST_DONE) || (SignalCode == L1P_REPEAT_ALLOC_DONE)) #else if (SignalCode == L1C_DEDIC_DONE) #endif // New channel activated. //----------------------- { UWORD32 time_alignmt= 0; //omaps00090550 UWORD32 fn_offset =0; //omaps00090550 // update the SBCNF26 parameters // disable SBCNF26 task l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; // Set semaphores for SBCNF26 task. l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; time_alignmt = time_alignmt_mem; fn_offset = fn_offset_mem; // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_sub_time_for_nb(&time_alignmt, &fn_offset); l1a_l1s_com.nsync.list[0].time_alignmt = time_alignmt; l1a_l1s_com.nsync.list[0].fn_offset = fn_offset; l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_ENABLED; // Step in state machine. *state = WAIT_SBCONF_RESULT; // End of process. return; } else #if (L1_GPRS) // End of packet transfer mode if TBF downlink and uplink have been released if((SignalCode == MPHC_STOP_DEDICATED_REQ) || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all))) #else if(SignalCode == MPHC_STOP_DEDICATED_REQ) #endif // Reset messages. //---------------- { // Step in state machine. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; } // end of "switch". } // end of "while" } // end of procedure. #endif //==================================================================// //==================================================================// //==================================================================// //==================================================================// //==================================================================// //==================================================================// //==================================================================// #if (L1_12NEIGH ==1) void l1a_dedic6_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, NSYNC_CONFIG = 2, SELECT_BEST_NSYNC = 3, WAIT_NSYNC_RESULT = 4, STOP_NSYNC = 5 #if (L1_EOTD==1) ,SCELL_CONFIG = 6 #endif }; UWORD8 *state = &l1a.state[DEDIC_6]; UWORD32 SignalCode = msg->SignalCode; // use only in packet transfer mode // these variables memorize this SBCNF parameters. static UWORD32 time_alignmt_mem; static UWORD32 fn_offset_mem; //#if !L1_R99 static UWORD8 nb_fb_attempt; //#endif // For EOTD purpose we need of flag to identify 1st/last SB Serving Cell #if (L1_EOTD==1) static BOOL first_scell; static BOOL last_scell; static BOOL eotd_started; #endif BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset of process is embbeded in other state to // avoid conflicts between processes using the same // L1S tasks (Initial Netwirk sync + Idle 6 strongest) } break; case WAIT_INIT: { #if (L1_GPRS) // This machine works only for DEDICATED MODE and PACKET TRANSFER MODE // (Remark: PACKET TRANSFER MODE activated == PDTCH task activated) if((l1a_l1s_com.mode != DEDIC_MODE) && (l1a_l1s_com.l1s_en_task[PDTCH] != TASK_ENABLED)) return; #else // This machine works only for DEDICATED MODE. if (l1a_l1s_com.mode != DEDIC_MODE) return; #endif // Request to make a synchro. ACQUISITION attempt with the given ARFCN. //--------------------------------------------------------------------- if ((SignalCode == MPHC_NCELL_FB_SB_READ) || (SignalCode == MPHC_NCELL_SB_READ) || (SignalCode == MPHC_NCELL_SYNC_REQ) ||(SignalCode == MPHC_NCELL_LIST_SYNC_REQ) ) { if (l1a_l1s_com.dedic_set.handover_fail_mode) // The current state is the dedicated mode during an handover fail // So the monitoring tasks must ALL be stopped and the reporting // message with a failure indication must be sent back { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, 0); *state = STOP_NSYNC; break; } else { #if (L1_EOTD==1) // Check request validity for this process: for EOTD, nsync must be FREE... if( (SignalCode == MPHC_NCELL_LIST_SYNC_REQ) && (((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP))->eotd == TRUE) && (l1a_l1s_com.nsync.current_list_size != 0) ) // End of process. return; #endif l1a_l1s_com.nsync.first_in_list=0; //reset first_in_list // Set semaphores for all neighbor relative task. l1a_l1s_com.task_param[NSYNC]= SEMAPHORE_SET; // Set NSYNC task semaphore. l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; // Set SB51 task semaphore. l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set SB26 task semaphore. l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; // Set SBCNF51 task semaphore. l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; // Set SBCNF26 task semaphore. // Step in state machine. *state = NSYNC_CONFIG; } } // No action in this machine for other messages. else { // End of process. return; } } break; case NSYNC_CONFIG: { UWORD8 neigh_id = l1a_l1s_com.nsync.first_in_list; UWORD32 time_alignmt =0; //omaps00090550 UWORD32 fn_offset=0; //omaps00090550; // Request to acquire FB/SB or to confirm FB or SB from one ncell. //---------------------------------------------------------------- // Abort if there is no room for a new neighbour synchro request. if(l1a_l1s_com.nsync.current_list_size >= NBR_NEIGHBOURS) { *state = WAIT_NSYNC_RESULT; // end of this process return; } // There is at least one free location within L1 structure. Find it! while((l1a_l1s_com.nsync.list[neigh_id].status != NSYNC_FREE)) { neigh_id++; if (neigh_id == NBR_NEIGHBOURS) neigh_id=0; } // TEMPORARY Code to insure transition between // OLD and NEW "6 strongest Interface" //---------------------------------------------- if (SignalCode == MPHC_NCELL_FB_SB_READ) { // Init timing_validity and read radio freq. l1a_l1s_com.nsync.list[neigh_id].timing_validity = 0; l1a_l1s_com.nsync.list[neigh_id].radio_freq = ((T_MPHC_NCELL_FB_SB_READ *)(msg->SigP))->radio_freq; l1a_l1s_com.nsync.list[neigh_id].time_alignmt = 0; l1a_l1s_com.nsync.list[neigh_id].fn_offset = 0; // Ncell WAITING l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_WAIT; // Increment list size l1a_l1s_com.nsync.current_list_size += 1; } else if (SignalCode == MPHC_NCELL_SB_READ) { // Init timing_validity and read radio freq. l1a_l1s_com.nsync.list[neigh_id].timing_validity = 2; l1a_l1s_com.nsync.list[neigh_id].radio_freq = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->radio_freq; time_alignmt = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->time_alignmt; fn_offset = ((T_MPHC_NCELL_SB_READ *)(msg->SigP))->fn_offset; // Ncell WAITING l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_WAIT; // Increment list size l1a_l1s_com.nsync.current_list_size += 1; } else if (SignalCode == MPHC_NCELL_SYNC_REQ) { // Init timing_validity and read radio freq. l1a_l1s_com.nsync.list[neigh_id].timing_validity =((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->timing_validity; l1a_l1s_com.nsync.list[neigh_id].radio_freq = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq; #if (L1_FF_MULTIBAND == 1) { UWORD8 physical_band_id; physical_band_id = l1_multiband_radio_freq_convert_into_physical_band_id(l1a_l1s_com.nsync.list[neigh_id].radio_freq); L1_MULTIBAND_TRACE_PARAMS(MULTIBAND_PHYSICAL_BAND_TRACE_ID,multiband_rf[physical_band_id].gsm_band_identifier); } #endif /*#if (L1_FF_MULTIBAND == 1)*/ if (l1a_l1s_com.nsync.list[neigh_id].timing_validity != 0) { time_alignmt = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->time_alignmt; fn_offset = ((T_MPHC_NCELL_SYNC_REQ *)(msg->SigP))->fn_offset; #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature if (l1a_l1s_com.nsync.list[neigh_id].timing_validity == 3) { l1a_l1s_com.nsync.list[neigh_id].nb_fb_attempt = 2 ; l1a_l1s_com.nsync.list[neigh_id].fb26_position = 255 ; } #endif } else { l1a_l1s_com.nsync.list[neigh_id].time_alignmt = 0; l1a_l1s_com.nsync.list[neigh_id].fn_offset = 0; } // Ncell WAITING l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_WAIT; // Increment list size l1a_l1s_com.nsync.current_list_size += 1; } if ( (SignalCode == MPHC_NCELL_SYNC_REQ) || (SignalCode == MPHC_NCELL_SB_READ) ) { // Correct timing info from request message with serving cell info. //----------------------------------------------------------------- if ( l1a_l1s_com.nsync.list[neigh_id].timing_validity != 0) { // correct timing l1a_correct_timing (neigh_id,time_alignmt,fn_offset); } } if ( SignalCode == MPHC_NCELL_LIST_SYNC_REQ ) { // Request to read FB/SB or SB from 1 to 12 neighbour cells. //---------------------------------------------------------- UWORD8 nbr_free = (UWORD8) (NBR_NEIGHBOURS) - l1a_l1s_com.nsync.current_list_size; UWORD8 list_size = ((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP))->list_size; T_MPHC_NCELL_LIST_SYNC_REQ *pt = ((T_MPHC_NCELL_LIST_SYNC_REQ *)(msg->SigP)); UWORD8 i; // Abort if there is no room for a new neighbour synchro request. if ( (l1a_l1s_com.nsync.current_list_size >= NBR_NEIGHBOURS) || (nbr_free < list_size) ) { *state = WAIT_NSYNC_RESULT; // end of this process return; } #if (L1_EOTD==1) // Abort if list is not empty before receiving EOTD request ... if ((pt->eotd == TRUE) && (l1a_l1s_com.nsync.current_list_size !=0)) { *state = WAIT_NSYNC_RESULT; // end of this process return; } // store Eotd flag l1a_l1s_com.nsync.eotd_meas_session = pt->eotd; #endif // Download neighbour info from request message. //---------------------------------------------- for (i=0; i<list_size; i++,neigh_id++) { if (neigh_id == NBR_NEIGHBOURS) neigh_id = 0; // Look for first free location within L1 structure. // There is at least one free location within L1 structure. Find it! while((l1a_l1s_com.nsync.list[neigh_id].status != NSYNC_FREE)) { neigh_id++; if(neigh_id == NBR_NEIGHBOURS) neigh_id=0;; } l1a_l1s_com.nsync.list[neigh_id].radio_freq = pt->ncell_list[i].radio_freq; l1a_l1s_com.nsync.list[neigh_id].timing_validity = pt->ncell_list[i].timing_validity; if( l1a_l1s_com.nsync.list[neigh_id].timing_validity != 0) { UWORD32 time_alignmt; UWORD32 fn_offset; // Download ARFCN, timing information and bitmap from the command message. time_alignmt = pt->ncell_list[i].time_alignmt; fn_offset = pt->ncell_list[i].fn_offset; // correct timing l1a_correct_timing (neigh_id,time_alignmt,fn_offset); #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature if (l1a_l1s_com.nsync.list[neigh_id].timing_validity == 3) { l1a_l1s_com.nsync.list[neigh_id].nb_fb_attempt = 2 ; l1a_l1s_com.nsync.list[neigh_id].fb26_position = 255 ; } #endif } else { l1a_l1s_com.nsync.list[neigh_id].fn_offset = 0; l1a_l1s_com.nsync.list[neigh_id].time_alignmt = 0; } // set Ncell WAITING l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_WAIT; // Increment list size l1a_l1s_com.nsync.current_list_size += 1; } // end for } // end if MPHC_NCELL_LIST_SYNC_REQ #if (L1_EOTD ==1) if ( l1a_l1s_com.nsync.eotd_meas_session == TRUE) { // Step in state machine. *state = SCELL_CONFIG; } else #endif { // Step in state machine. *state = SELECT_BEST_NSYNC; } } break; // case NSYNC_CONFIG #if (L1_EOTD==1) case SCELL_CONFIG: { UWORD32 fn_offset=0; UWORD32 time_alignmt=0; // Enable L1S activity on the Serving Cell confirmation task // selects 1st Serving cell monitoring if (eotd_started == FALSE) { eotd_started = TRUE; first_scell = TRUE; } // selects last Serving cell monitoring else { eotd_started = FALSE; last_scell = TRUE; } // In Eotd : Serving cell is not part of the list //----------------------------------------------- // But it must be the 1st monitored // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. #if (L1_EOTD_QBIT_ACC== 1) time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; fn_offset = l1a_l1s_com.nsync.serv_fn_offset; #endif l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_sub_time_for_nb(&time_alignmt, &fn_offset); // Load Serving cell in last position [NBR_NEIGHBOURS] l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].radio_freq = l1a_l1s_com.Scell_info.radio_freq; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset = fn_offset; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt = time_alignmt; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].timing_validity = 2; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset_mem = 0; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt_mem= 0; // Increment list size l1a_l1s_com.nsync.current_list_size += 1; // Enable Serving cell monitoring l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_PENDING; l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // Step in state machine. *state = WAIT_NSYNC_RESULT; // End of process. return; } #endif case SELECT_BEST_NSYNC: { BOOL exec_pending_task = FALSE; UWORD8 id_acquisition; UWORD8 i = 0; // list empty return to STOP_NSYNC //--------------------------- if (l1a_l1s_com.nsync.current_list_size == 0) { #if (L1_EOTD==1) if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { *state = SCELL_CONFIG; // Step in state machine. break; } else #endif { *state = STOP_NSYNC; // reset process break; } } // disable all tasks l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; // Set semaphores for all neighbor relative task. l1a_l1s_com.task_param[NSYNC]= SEMAPHORE_SET; // Set NSYNC task semaphore. l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; // Set FB51 task semaphore. l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; // Set FB26 task semaphore. l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; // Set SB51 task semaphore. l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; // Set SB26 task semaphore. l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; // Set SBCNF51 task semaphore. l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; // Set SBCNF26 task semaphore. // Look if there is an ACQUISITION in progress (PENDING) in order to disable // other cells. // If MF51, ACQUISITION means FB and SB. If MF26, ACQUISITION means FB only //--------------------------------------------------------------------------- // If so, let the new request in WAIT ... while ( (i<NBR_NEIGHBOURS) && (exec_pending_task==FALSE)) { if (l1a_l1s_com.nsync.list[i].status == NSYNC_PENDING) { // check FB or SB acquisition if ( l1a_l1s_com.nsync.list[i].timing_validity == 0 ) { exec_pending_task = TRUE; } else if (l1a_l1s_com.mode == DEDIC_MODE) { UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) if( (l1a_l1s_com.nsync.list[i].timing_validity == SB_ACQUISITION_PHASE) #else if( (l1a_l1s_com.nsync.list[i].timing_validity == 3) #endif &&((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) ) exec_pending_task = TRUE; } } i++; } // If there is an ACQUISITION in progress, put all other tasks in WAIT //-------------------------------------------------------------------- if (exec_pending_task == TRUE) { // if This SB acquisition comes from an FB CONFIRMATION, there may be some SB or // FB CONFIRMATIONS in PENDING state ==> put them in WAIT to insure FB/SB acquisition. UWORD8 cell_in_acquisition = i-1; #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) if (l1a_l1s_com.nsync.list[cell_in_acquisition].timing_validity == SB_ACQUISITION_PHASE) #else if (l1a_l1s_com.nsync.list[cell_in_acquisition].timing_validity == 3) #endif { //This case is only for MF51 for (i=0; i < NBR_NEIGHBOURS; i++) if ((l1a_l1s_com.nsync.list[i].status == NSYNC_PENDING) && (i != cell_in_acquisition)) l1a_l1s_com.nsync.list[i].status = NSYNC_WAIT; } // enable NSYNC l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // Step in state machine. *state = WAIT_NSYNC_RESULT; // End of process. return; } // Otherwise : may be some other tasks (everything but FB aquisition) to set PENDING // In case we are in MF51, these tasks are SB and FB confirmation // In case we are in MF26, these tasks are SB and FB confirmation and SB acquisition //------------------------------------------------------ exec_pending_task = FALSE; for (i=0; i < NBR_NEIGHBOURS; i++) { if ( (l1a_l1s_com.nsync.list[i].status == NSYNC_WAIT) || (l1a_l1s_com.nsync.list[i].status == NSYNC_PENDING) ) { // set all other requested tasks PENDING if ( l1a_l1s_com.nsync.list[i].timing_validity != 0 ) { l1a_l1s_com.nsync.list[i].status = NSYNC_PENDING; exec_pending_task = TRUE; // initialise FB attempts for FB CONFIRMATION if (l1a_l1s_com.nsync.list[i].timing_validity == 1) #if ((REL99 == 1) && (FF_BHO == 1)) l1a_l1s_com.nsync.list[i].nb_fb_attempt = 1; #else nb_fb_attempt = 1; #endif } } } // If there are no pending task, perhaps there is an FB aquisition task to set pending. // In this case it is the older request, i.e. first_in_list. if (exec_pending_task == FALSE) { id_acquisition = l1a_l1s_com.nsync.first_in_list; // id has already been found....... l1a_l1s_com.nsync.list[id_acquisition].status = NSYNC_PENDING; if (l1a_l1s_com.mode == DEDIC_MODE) { UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) { #if ((REL99 == 1) && (FF_BHO == 1)) if (l1a_l1s_com.nsync.list[id_acquisition].timing_validity != 3) l1a_l1s_com.nsync.list[id_acquisition].nb_fb_attempt = 1;; #else nb_fb_attempt = 1; // 1 attempt for FB51 detection. #endif } else { #if ((REL99 == 1) && (FF_BHO == 1)) l1a_l1s_com.nsync.list[id_acquisition].nb_fb_attempt = 11; #else nb_fb_attempt = 11; // 11 attempts for FB26 detection. #endif // #if ((REL99 == 1) && (FF_BHO == 1)) } } #if (L1_GPRS) else { // packet transfer mode #if ((REL99 == 1) && (FF_BHO == 1)) if (l1a_l1s_com.nsync.list[i].timing_validity == 0) l1a_l1s_com.nsync.list[id_acquisition].nb_fb_attempt = 11; // 11 attempts for FB26 detection. else if (l1a_l1s_com.nsync.list[i].timing_validity == 1) l1a_l1s_com.nsync.list[id_acquisition].nb_fb_attempt = 1; #else nb_fb_attempt = 11; // 11 attempts for FB26 detection. #endif //#if ((REL99 == 1) && (FF_BHO == 1)) } #endif } // enable NSYNC l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // Step in state machine. *state = WAIT_NSYNC_RESULT; // End of process. end_process = 1; } break; // case SELECT_BEST_NSYNC case WAIT_NSYNC_RESULT: { if(SignalCode == L1C_FB_INFO) // Frequency Burst acquisition attempt result. //-------------------------------------------- { BOOL fb_found; UWORD8 neigh_id = ((T_L1C_FB_INFO *)(msg->SigP))->neigh_id; UWORD16 neigh_radio_freq = ((T_L1C_FB_INFO *)(msg->SigP))->radio_freq; // Check if this neighbor wasn't removed from the list // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received // in the same frame than this L1s message) #if ((REL99 == 1) && (FF_BHO == 1)) if ((neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq)|| ((neigh_radio_freq == l1a_l1s_com.nsync.list[neigh_id].radio_freq)&& (l1a_l1s_com.nsync.list[neigh_id].status==NSYNC_FREE))) #else if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) #endif { //REM: the message is not sent to L3 return;// Stay in current state. } if (l1a_l1s_com.dedic_set.handover_fail_mode) // The current state is the dedicated mode during an handover fail // The monitoring tasks must be stopped // And the reporting message with a failure indication must be sent back { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); #if (L1_EOTD==1) if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { // Stop Eotd session. l1a_l1s_com.nsync.eotd_meas_session = FALSE; // Set mode DEDIC ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; } #endif // This process must be reset *state = STOP_NSYNC; break; } // Get result from the message. fb_found = ((T_L1C_FB_INFO*)(msg->SigP))->fb_flag; if(fb_found == TRUE) // FB attempt is a success. // same process Now for DEDIC and PDTCH !!!! { // request was FB Confirmation + SB acquisition ..... #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) l1a_l1s_com.nsync.list[neigh_id].timing_validity = SB_ACQUISITION_PHASE ; #else l1a_l1s_com.nsync.list[neigh_id].timing_validity = 3; #endif l1a_l1s_com.nsync.list[neigh_id].sb26_attempt = 0; *state = SELECT_BEST_NSYNC; // Must break here to make sure the scheduler // runs immediately, else the next synchro attempt is not // started and we get a lock-up condition. break; } else // FB attempt failed. //------------------- { #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature if ((l1a_l1s_com.nsync.list[neigh_id].timing_validity != 0) && (l1a_l1s_com.mode == DEDIC_MODE)) { UWORD8 channel_type = l1a_l1s_com.dedic_set.aset->achan_ptr->desc_ptr->channel_type; if((channel_type == SDCCH_4) || (channel_type == SDCCH_8)) l1a_l1s_com.nsync.list[neigh_id].nb_fb_attempt = 1; // force attempt to 1 because we are in SDCCH } l1a_l1s_com.nsync.list[neigh_id].nb_fb_attempt-- ; if (l1a_l1s_com.nsync.list[neigh_id].nb_fb_attempt == 0) #else --nb_fb_attempt; if (nb_fb_attempt == 0) #endif { // if attempt was an FB confirmation, go back to FB full acquisition // and set it to WAIT state if (l1a_l1s_com.nsync.list[neigh_id].timing_validity == 1) { l1a_l1s_com.nsync.list[neigh_id].timing_validity = 0; l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_WAIT; // Step in state machine. *state = SELECT_BEST_NSYNC; // Must break here otherwise a SYNC IND (failure) // is generated for this event, when we really want the // FB acquisition to start from scratch with timing_validity=0. // If the subsequent process fails, then an indication will be // posted to L3. break; } // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); // Remove cell from list. l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; l1a_l1s_com.nsync.current_list_size -= 1; if ((l1a_l1s_com.nsync.current_list_size != 0) && (neigh_id == l1a_l1s_com.nsync.first_in_list)) { while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) { l1a_l1s_com.nsync.first_in_list++; if (l1a_l1s_com.nsync.first_in_list==NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; } } // Step in state machine. *state = SELECT_BEST_NSYNC; // Must break here to make sure the scheduler // runs immediately, else the next synchro attempt is not // started and we get a lock-up condition. break; } #if ((REL99 == 1) && (FF_RTD == 1)) // RTD feature else { // we have to restore timing information which are destroyed after fb search failure if (l1a_l1s_com.nsync.list[neigh_id].timing_validity == 3) { // restore timing and frame information l1a_l1s_com.nsync.list[neigh_id].fn_offset = l1a_l1s_com.nsync.list[neigh_id].fn_offset_mem; l1a_l1s_com.nsync.list[neigh_id].time_alignmt = l1a_l1s_com.nsync.list[neigh_id].time_alignmt_mem; // apply timing correction l1a_correct_timing (neigh_id,l1a_l1s_com.nsync.list[neigh_id].time_alignmt,l1a_l1s_com.nsync.list[neigh_id].fn_offset); } } #endif } // End FB failed // End of process. return; } // End L1C_FB_INFO else if(SignalCode == L1C_SB_INFO) // Synchro Burst acquisition attempt result. //------------------------------------------ { BOOL sb_found = ((T_L1C_SB_INFO *)(msg->SigP))->sb_flag; UWORD8 neigh_id = ((T_L1C_SB_INFO *)(msg->SigP))->neigh_id; UWORD16 neigh_radio_freq = ((T_L1C_SB_INFO *)(msg->SigP))->radio_freq; // Check if this neighbor wasn't removed from the list // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received // in the same frame than this L1s message) if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) { //REM: the message is not sent to L3 return;// Stay in current state. } if (l1a_l1s_com.dedic_set.handover_fail_mode) // The current state is the dedicated mode during an handover fail // The monitoring tasks must be stopped // And the reporting message with a failure indication must be sent back { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); #if (L1_EOTD==1) if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { // Stop Eotd session. l1a_l1s_com.nsync.eotd_meas_session = FALSE; // Set mode DEDIC ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; } #endif // This process must be reset *state = STOP_NSYNC; break; } if (sb_found == TRUE) // SB detection is a success... //----------------------------- { // Read Results. UWORD32 *fn_offset_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->fn_offset); UWORD32 *time_alignmt_ptr = &(((T_L1C_SB_INFO *)(msg->SigP))->time_alignmt); // Correct "fn_offset" and "time_alignmt" to report the true // Serving/Neighbor time difference. // 1) Shift 20 bit since result is from a SB detection. // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); #if (L1_EOTD==1) if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { // compute EOTD data l1a_compute_Eotd_data(&first_scell,neigh_id, SignalCode, msg); // Set mode DEDIC ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; #if (L1_EOTD_QBIT_ACC ==1) if (neigh_id != 12) { l1a_compensate_sync_ind((T_MPHC_NCELL_SYNC_IND *)(msg->SigP)); } if( (neigh_id == 12) && (last_scell== TRUE) ) { l1a_l1s_com.nsync.serv_fn_offset = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset; l1a_l1s_com.nsync.serv_time_alignmt = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt; } #endif } #endif // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); } else // SB detection failed. { // Fix BUG2842 & BUG2864. In packet transfer SB aquisition task can be delayed // by a higer prioritary task. Two following attempts are re-scheduled. // First one can fail and we must not init process neither report any // failure indication to upper layers. if (l1a_l1s_com.nsync.list[neigh_id].sb26_attempt == 2) { // sb26_attempt = 2 : first attempt // sb26_attempt = 3 : second attempt return; } #if (L1_EOTD ==1) // Set mode DEDIC if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); } else #endif // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); } // Remove cell from list. l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; l1a_l1s_com.nsync.current_list_size -= 1; #if (L1_EOTD ==1) // Stop EOTD monitoring after last Serving cell result //==================================================== if (last_scell == TRUE) { l1a_l1s_com.nsync.eotd_meas_session = FALSE; *state = STOP_NSYNC; } else { #endif if ((l1a_l1s_com.nsync.current_list_size != 0) && (neigh_id == l1a_l1s_com.nsync.first_in_list)) { while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) { l1a_l1s_com.nsync.first_in_list++; if (l1a_l1s_com.nsync.first_in_list==NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; } } // Step in state machine. *state = SELECT_BEST_NSYNC; #if (L1_EOTD ==1) } #endif } // End L1C_SB_INFO else if(SignalCode == L1C_SBCONF_INFO) // Synchro Burst confirmation attempt result. //------------------------------------------- { UWORD8 neigh_id = ((T_L1C_SBCONF_INFO *)(msg->SigP))->neigh_id; BOOL sb_found = ((T_L1C_SBCONF_INFO *)(msg->SigP))->sb_flag; UWORD16 neigh_radio_freq = ((T_L1C_SBCONF_INFO *)(msg->SigP))->radio_freq; // Check if this neighbor wasn't removed from the list // (it's possible if MPHC_STOP_NCELL_SYNC_REQ message has been received // in the same frame than this L1s message) if (neigh_radio_freq != l1a_l1s_com.nsync.list[neigh_id].radio_freq) { //REM: the message is not sent to L3 return;// Stay in current state. } if (l1a_l1s_com.dedic_set.handover_fail_mode) // The current state is the dedicated mode during an handover fail // The monitoring tasks must be stopped // And the reporting message with a failure indication must be sent back { // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); #if (L1_EOTD==1) if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { // Stop Eotd session. l1a_l1s_com.nsync.eotd_meas_session = FALSE; // Set mode DEDIC ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; } #endif // This process must be reset *state = STOP_NSYNC; break; } if(sb_found == TRUE) // SB detection is a success. { UWORD32 *fn_offset_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->fn_offset); UWORD32 *time_alignmt_ptr = &(((T_L1C_SBCONF_INFO *)(msg->SigP))->time_alignmt); // Correct "fn_offset" and "time_alignmt" to report the true // Serving/Neighbor time difference. // 1) Shift 20 bit since result is from a SB detection. // 2) Add the serving cell timeslot number to the Serving/Neighbor time difference. l1a_add_time_for_nb(time_alignmt_ptr, fn_offset_ptr); l1a_add_timeslot(time_alignmt_ptr, fn_offset_ptr, l1a_l1s_com.dl_tn); #if (L1_EOTD==1) if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { // compute EOTD data l1a_compute_Eotd_data(&first_scell,neigh_id,SignalCode,msg); // Set mode DEDIC ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; #if (L1_EOTD_QBIT_ACC ==1) if (neigh_id != 12) { l1a_compensate_sync_ind((T_MPHC_NCELL_SYNC_IND *)(msg->SigP)); } if( (neigh_id == 12) && (last_scell== TRUE) ) { l1a_l1s_com.nsync.serv_fn_offset = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->fn_offset; l1a_l1s_com.nsync.serv_time_alignmt = ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->time_alignmt; } #endif } #endif // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); } else // SB detection failed. { #if (L1_EOTD ==1) // Set mode DEDIC if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { ((T_MPHC_NCELL_SYNC_IND *)(msg->SigP))->mode = 1; // Forward the result msg to L3. l1a_send_result(MPHC_NCELL_SYNC_IND, msg, RRM1_QUEUE); } else #endif // Send reporting message with a faillure indication. l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, neigh_id); } // Disable a neigh sync. reading. l1a_l1s_com.nsync.list[neigh_id].status = NSYNC_FREE; l1a_l1s_com.nsync.current_list_size -= 1; #if (L1_EOTD ==1) // reset first_scell flag first_scell = FALSE; // Stop EOTD monitoring after last Serving cell result //==================================================== if (last_scell == TRUE) { l1a_l1s_com.nsync.eotd_meas_session = FALSE; *state = STOP_NSYNC; } else { #endif if ((l1a_l1s_com.nsync.current_list_size != 0) && (neigh_id == l1a_l1s_com.nsync.first_in_list)) { while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) { l1a_l1s_com.nsync.first_in_list++; if(l1a_l1s_com.nsync.first_in_list==NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; } } // Step in state machine. *state = SELECT_BEST_NSYNC; #if (L1_EOTD ==1) } #endif } // End L1C_SBCONF_INFO else if((SignalCode == MPHC_NCELL_FB_SB_READ) || (SignalCode == MPHC_NCELL_SB_READ) || (SignalCode == MPHC_NCELL_SYNC_REQ) || (SignalCode == MPHC_NCELL_LIST_SYNC_REQ)) // New Request to READ the FB/SB or SB from a given carrier. // Request to READ the FB/SB or SB of 1 to 12 carriers. //-------------------------------------------------------- { #if (L1_EOTD ==1) // during EOTD update of list is forbidden..... if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) // Stay in current state. return; else #endif // Step in state machine. *state = NSYNC_CONFIG; } // End new NCELL REQ else if(SignalCode == MPHC_STOP_NCELL_SYNC_REQ) // Request to STOP neighbour cell activity for certain carriers. //-------------------------------------------------------------- { UWORD8 i,j; UWORD8 array_size; array_size = ((T_MPHC_STOP_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq_array_size; #if (L1_EOTD ==1) // Only stop for ALL neighbours in list are accepted. if (l1a_l1s_com.nsync.eotd_meas_session == TRUE) { if ( (array_size != l1a_l1s_com.nsync.current_list_size) && (array_size != NBR_NEIGHBOURS) ) // Stay in current state. return; } // Stop Eotd session. l1a_l1s_com.nsync.eotd_meas_session = FALSE; #endif // Disable neighbor sync. tasks. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; if(array_size != NBR_NEIGHBOURS) { // Stop some of the Neighb. synchro. for(i=0;i<array_size;i++) { UWORD16 radio_freq = ((T_MPHC_STOP_NCELL_SYNC_REQ *)(msg->SigP))->radio_freq_array[i]; // Search for same value within L1 structure. j=0; while(!((radio_freq == l1a_l1s_com.nsync.list[j].radio_freq) && (l1a_l1s_com.nsync.list[j].status != NSYNC_FREE)) && (j < NBR_NEIGHBOURS)) { j++; } // If found, reset L1 structure for this carrier. if(j<NBR_NEIGHBOURS) { l1a_l1s_com.nsync.list[j].status = NSYNC_FREE; l1a_l1s_com.nsync.current_list_size --; if (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.active_fb_id].radio_freq == radio_freq) l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; } } } else { // Stop all the Neighb. BCCH reading. l1a_l1s_com.nsync.current_list_size = 0; // clear also last location... for(i=0;i<NBR_NEIGHBOURS+1;i++) l1a_l1s_com.nsync.list[i].status = NSYNC_FREE; } // Send confirmation message to L3. l1a_send_confirmation(MPHC_STOP_NCELL_SYNC_CON,RRM1_QUEUE); // All neigh synchro have been removed. if(l1a_l1s_com.nsync.current_list_size == 0) { // Tasks already disabled. // This process must be reset. *state = STOP_NSYNC; } else { // Check if first in list was removed from the list. Go to next first in list while (l1a_l1s_com.nsync.list[l1a_l1s_com.nsync.first_in_list].status == NSYNC_FREE) { l1a_l1s_com.nsync.first_in_list++; if (l1a_l1s_com.nsync.first_in_list==NBR_NEIGHBOURS) l1a_l1s_com.nsync.first_in_list = 0; } // Set semaphores for all neighbor relative task before re-enebling NSYNC task. l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; // Enable neighbour sync task. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // Step in state machine. *state = SELECT_BEST_NSYNC; } } // End MPHC_STOP_NCELL_SYNC_REQ else #if (L1_GPRS) // a new synchronisation was performed if ( (SignalCode == L1C_DEDIC_DONE) || ((SignalCode == L1P_TRANSFER_DONE) && (((T_L1P_TRANSFER_DONE *) (msg->SigP))->tn_difference!=0)) || (SignalCode == L1P_ALLOC_EXHAUST_DONE) || (SignalCode == L1P_REPEAT_ALLOC_DONE) || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *) (msg->SigP))->tn_difference!=0) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all==0))) #else //L1_GPRS // test in mode D26: L1C_DEDIC_DONE : // New channel activated. if (SignalCode == L1C_DEDIC_DONE) #endif //L1_GPRS // New channel activated or new synchronisation was performed //----------------------------------------------------------- { UWORD32 time_alignmt; UWORD32 fn_offset; UWORD8 i; if ( (SignalCode == L1C_DEDIC_DONE) && ((l1a.confirm_SignalCode == MPHC_SYNC_HO_CON) || (l1a.confirm_SignalCode == MPHC_PRE_SYNC_HO_CON) || (l1a.confirm_SignalCode == MPHC_ASYNC_HO_CON) || (l1a.confirm_SignalCode == MPHC_HANDOVER_FAIL_CON)) ) { l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; // In case of a handover, it is hard to update neighbor timings with timing changes. // Therefore all pending request are restarted as FB acquisition. // If an EOTD session was running, the 300 ms duration constraint of the session can't // be achieved. L1 returns a fail to L3 for the session. #if (L1_EOTD ==1) for(i=NBR_NEIGHBOURS+1;i>0;i--) #else for(i=0;i<NBR_NEIGHBOURS;i++) #endif { if ( (l1a_l1s_com.nsync.list[i-1].status == NSYNC_PENDING)|| (l1a_l1s_com.nsync.list[i-1].status == NSYNC_WAIT) ) { l1a_l1s_com.nsync.list[i-1].timing_validity = 0; l1a_l1s_com.nsync.list[i-1].time_alignmt = 0; l1a_l1s_com.nsync.list[i-1].fn_offset = 0; // force WAIT state l1a_l1s_com.nsync.list[i-1].status = NSYNC_WAIT; #if (L1_EOTD ==1) if ( l1a_l1s_com.nsync.eotd_meas_session == TRUE ) { //If an EOTD session is pending, return a fail for remaining requests l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, i-1); } #endif } // if } // for #if (L1_EOTD ==1) if ( l1a_l1s_com.nsync.eotd_meas_session == TRUE ) { // If the code goes there, an EOTD session is aborting. // return a fail for last serving cell and reset L1A state machine l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, NBR_NEIGHBOURS); l1a_l1s_com.nsync.eotd_meas_session = FALSE; *state = STOP_NSYNC; break; } else #endif { // Step in state machine. *state = SELECT_BEST_NSYNC; // Enable neighbour sync task. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; } // if } // if else { // Channel changes : Restart all neighbors //----------------------------------------- // propagate new dl_tn to all neigbours remaining in EOTD_list !!! // Reset process. and then restart all tasks. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; #if (L1_EOTD ==1) for(i=0;i<NBR_NEIGHBOURS+1;i++) #else for(i=0;i<NBR_NEIGHBOURS;i++) #endif { if ( (l1a_l1s_com.nsync.list[i].status == NSYNC_PENDING)|| (l1a_l1s_com.nsync.list[i].status == NSYNC_WAIT) ) { // reset SB acquisitions : need to restart from FB !!!! #if ((REL99 == 1) && ((FF_BHO == 1) || (FF_RTD == 1))) if (l1a_l1s_com.nsync.list[i].timing_validity == SB_ACQUISITION_PHASE) #else if( l1a_l1s_com.nsync.list[i].timing_validity == 3 ) // SB acquisition #endif { l1a_l1s_com.nsync.list[i].timing_validity = 0; #if ((REL99 == 1) && (FF_BHO == 1)) l1a_l1s_com.nsync.list[i].status = NSYNC_WAIT ; #endif } // FB or SB Confirmations : update timing info if ((l1a_l1s_com.nsync.list[i].timing_validity == 2) || // SB confirmation (l1a_l1s_com.nsync.list[i].timing_validity == 1)) // FB confirmation { // update the SBCNF26 parameters #if (L1_EOTD==1) if ( (i==12) && (l1a_l1s_com.nsync.eotd_meas_session == TRUE)) { // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. #if (L1_EOTD_QBIT_ACC== 1) time_alignmt = l1a_l1s_com.nsync.serv_time_alignmt; fn_offset = l1a_l1s_com.nsync.serv_fn_offset; #else time_alignmt = l1a_l1s_com.nsync.list[i].time_alignmt_mem; fn_offset = l1a_l1s_com.nsync.list[i].fn_offset_mem; #endif l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].fn_offset_mem = 0; l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].time_alignmt_mem= 0; } else #endif { time_alignmt = l1a_l1s_com.nsync.list[i].time_alignmt_mem; fn_offset = l1a_l1s_com.nsync.list[i].fn_offset_mem; } // Sub the serving cell timeslot number to the Neigh./Serving timing // difference to format it for L1S use. l1a_sub_timeslot(&time_alignmt, &fn_offset, l1a_l1s_com.dl_tn); l1a_sub_time_for_nb(&time_alignmt, &fn_offset); l1a_l1s_com.nsync.list[i].time_alignmt = time_alignmt; l1a_l1s_com.nsync.list[i].fn_offset = fn_offset; } // force WAIT state l1a_l1s_com.nsync.list[i].status = NSYNC_WAIT; } } //------------------------------------------------------------ // We restart the FB/SB and SBCONF detection from scratch !!! //------------------------------------------------------------ // Set semaphores for all neighbor relative task before re-enebling NSYNC task. l1a_l1s_com.task_param[NSYNC] = SEMAPHORE_SET; l1a_l1s_com.task_param[FB51] = SEMAPHORE_SET; l1a_l1s_com.task_param[FB26] = SEMAPHORE_SET; l1a_l1s_com.task_param[SB51] = SEMAPHORE_SET; l1a_l1s_com.task_param[SB26] = SEMAPHORE_SET; l1a_l1s_com.task_param[SBCNF51] = SEMAPHORE_SET; l1a_l1s_com.task_param[SBCNF26] = SEMAPHORE_SET; // For EOTD : if the 1st serving cell SB is pending // or if last serving cell SB is pending // (when the channel change occured),we must re-start from 1st SB // of serving cell. // // during WAIT_NSYNC_RESULT // ========================= // first_scell eotd_started last_scell // T T F waiting for 1st SB Serving cell // F T F waiting for SBs Neighbor cells // F F T waiting for Last SB Serving cell // F F F no EOTD // #if (L1_EOTD == 1) if ( (first_scell == TRUE) || (last_scell == TRUE)) { // force PENDING state for SERVING CELL l1a_l1s_com.nsync.list[NBR_NEIGHBOURS].status = NSYNC_PENDING; // Step in state machine. *state = WAIT_NSYNC_RESULT; // Enable neighbour sync task. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; // Must be a return there otherwise there is a lockup on // handover/channel changes test condition (need to free // this message...) return; } #endif // Step in state machine. *state = SELECT_BEST_NSYNC; // Enable neighbour sync task. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; } // end Else } // End CHANNEL CHANGE or HANDOVERS else #if (L1_GPRS) // End of packet transfer mode if TBF downlink and uplink have been released if((SignalCode == MPHC_STOP_DEDICATED_REQ) || ((SignalCode == L1P_TBF_RELEASED) && (((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all))) #else if(SignalCode == MPHC_STOP_DEDICATED_REQ) #endif // Reset messages. //---------------- { #if (L1_EOTD==1) // Stop Eotd session. l1a_l1s_com.nsync.eotd_meas_session = FALSE; #endif // Step in state machine. *state = STOP_NSYNC; } #if ((REL99 == 1) && (FF_BHO == 1)) else if( ((SignalCode == MPHC_SYNC_HO_REQ) || (SignalCode == MPHC_PRE_SYNC_HO_REQ) || (SignalCode == MPHC_PSEUDO_SYNC_HO_REQ) || (SignalCode == MPHC_ASYNC_HO_REQ) ) && (l1a_l1s_com.dedic_set.handover_type == BLIND_HANDOVER) ) { UWORD8 i; l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; // In case of a handover, it is hard to update neighbor timings with timing changes. // Therefore all pending request are restarted as FB acquisition. // If an EOTD session was running, the 300 ms duration constraint of the session can't // be achieved. L1 returns a fail to L3 for the session. #if (L1_EOTD ==1) for(i=NBR_NEIGHBOURS+1;i>0;i--) #else for(i=0;i<NBR_NEIGHBOURS;i++) #endif { if ( (l1a_l1s_com.nsync.list[i-1].status == NSYNC_PENDING)|| (l1a_l1s_com.nsync.list[i-1].status == NSYNC_WAIT) ) { l1a_l1s_com.nsync.list[i-1].timing_validity = 0; l1a_l1s_com.nsync.list[i-1].time_alignmt = 0; l1a_l1s_com.nsync.list[i-1].fn_offset = 0; // force WAIT state l1a_l1s_com.nsync.list[i-1].status = NSYNC_WAIT; #if (L1_EOTD ==1) if ( l1a_l1s_com.nsync.eotd_meas_session == TRUE ) { //If an EOTD session is pending, return a fail for remaining requests l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, i-1); } #endif } // if } // for #if (L1_EOTD ==1) if ( l1a_l1s_com.nsync.eotd_meas_session == TRUE ) { // If the code goes there, an EOTD session is aborting. // return a fail for last serving cell and reset L1A state machine l1a_report_failling_ncell_sync(MPHC_NCELL_SYNC_IND, NBR_NEIGHBOURS); l1a_l1s_com.nsync.eotd_meas_session = FALSE; *state = STOP_NSYNC; break; } else #endif { // Step in state machine. *state = SELECT_BEST_NSYNC; // Enable neighbour sync task. l1a_l1s_com.l1s_en_task[NSYNC] = TASK_ENABLED; } // if } #endif // #if ((REL99 == 1) && (FF_BHO == 1)) // No action in this machine for other messages. else { // End of process. return; } } break; case STOP_NSYNC: { UWORD8 i; // Reset process. // WARNING : NSYNC task and nsync_list are COMMON to dedic and Idle.... l1a_l1s_com.l1s_en_task[FB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[FB26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SB26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCNF26] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[SBCNF51] = TASK_DISABLED; l1a_l1s_com.l1s_en_task[NSYNC] = TASK_DISABLED; // Disable all neigh sync. reading. l1a_l1s_com.nsync.current_list_size = 0; #if (L1_EOTD==1) // reset EOTD flags first_scell =FALSE; last_scell =FALSE; eotd_started =FALSE; l1a_l1s_com.nsync.eotd_toa_phase = 0; l1a_l1s_com.nsync.eotd_meas_session = FALSE; l1a_l1s_com.nsync.eotd_cache_toa_tracking = 0; l1a_l1s_com.nsync.eotd_toa_tracking = 0; for (i=0; i<NBR_NEIGHBOURS+1; i++) l1a_l1s_com.nsync.list[i].status = NSYNC_FREE; #else for (i=0; i<NBR_NEIGHBOURS; i++) l1a_l1s_com.nsync.list[i].status = NSYNC_FREE; #endif // Step in state machine. *state = WAIT_INIT; // End of process end_process = 1; } break; } // end of "switch". } // end of "while" } // end of procedure. #endif /*-------------------------------------------------------*/ /* l1a_dedic_ba_list_meas_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles neigbor cell */ /* measurement process in DEDICATED mode with BA list. */ /* */ /* Starting messages: L1C_DEDIC_DONE */ /* ------------------ */ /* L1 starts then the periodic BA list receive level */ /* monitoring. */ /* */ /* Subsequent messages: MPHC_UPDATE_BA_LIST */ /* -------------------- */ /* L1 changes the BA list and starts the periodic BA */ /* list receive level monitoring with this new list. */ /* */ /* Result messages (input): L1C_MEAS_DONE */ /* ------------------------ */ /* This is the periodic reporting message from L1s. */ /* */ /* Result messages (output): MPHC_MEAS_REPORT */ /* ------------------------- */ /* This is the periodic reporting message to L3. */ /* */ /* Reset messages (input): MPHC_STOP_DEDICATED_REQ */ /* ----------------------- */ /* BA list neigbor cell measurement process in DEDICATED*/ /* is stopped by this message. */ /* */ /*-------------------------------------------------------*/ void l1a_dedic_ba_list_meas_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_RESULT = 3 }; UWORD8 *state = &l1a.state[D_NMEAS]; UWORD32 SignalCode = msg->SignalCode; static BOOL meas_valid; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // step in state machine. *state = WAIT_INIT; // Reset D_NMEAS process. l1a_l1s_com.l1s_en_meas &= D_BAMS_MEAS_MASK; // Reset D_BAMS Measurement enable flag. } break; case WAIT_INIT: { #if (OP_SAP == 0) if (SignalCode == MPHC_UPDATE_BA_LIST) #else if (SignalCode == MPHC_UPDATE_BA_LIST_REQ) #endif /* if (OP_SAP == 0) */ // One reporting period has been completed. //----------------------------------------- { UWORD16 i; // Set parameter synchro semaphore for D_BAMS task. l1a_l1s_com.meas_param |= D_BAMS_MEAS; // Reset the BA list structure. l1a_reset_ba_list(); // Next measurement report must indicate INVALID. meas_valid = FALSE; // Enable Dedicated mode BA list measurement task. l1a.l1a_en_meas[D_NMEAS] |= D_BAMS_MEAS; // Reset present flag to avoid to mix 2 updates in case of // an update already pending within "l1a_l1s_com.ba_list.new_list". // This case can occur after a Handover and both previous and new // serving cells are requesting an update. l1a_l1s_com.ba_list.new_list_present = FALSE; // Download new list within L1A_L1S_COM structure. #if (OP_SAP == 0) l1a_l1s_com.ba_list.new_list = *((T_MPHC_UPDATE_BA_LIST *)(msg->SigP)); #else l1a_l1s_com.ba_list.new_list = *((T_MPHC_UPDATE_BA_LIST_REQ *)(msg->SigP)); #endif /* if (OP_SAP == 0) */ // Download new list. for(i=0;i<l1a_l1s_com.ba_list.new_list.num_of_chans;i++) { #if (OP_SAP == 0) l1a_l1s_com.ba_list.A[i].radio_freq = l1a_l1s_com.ba_list.new_list.chan_list.A[i]; #else l1a_l1s_com.ba_list.A[i].radio_freq = l1a_l1s_com.ba_list.new_list.chan_list.BA[i]; #endif /* if (OP_SAP == 0) */ } l1a_l1s_com.ba_list.ba_id = l1a_l1s_com.ba_list.new_list.ba_id; l1a_l1s_com.ba_list.nbr_carrier = l1a_l1s_com.ba_list.new_list.num_of_chans; // Set present flag only when the list has been downloaded. l1a_l1s_com.ba_list.new_list_present = TRUE; // step in state machine. *state = WAIT_RESULT; } else if(SignalCode == L1C_DEDIC_DONE) // We enter DEDICATED mode. //------------------------- { #if (CODE_VERSION == NOT_SIMULATION) if (l1a_l1s_com.ba_list.nbr_carrier == 0) return; #endif // Set parameter synchro semaphore for D_BAMS task. l1a_l1s_com.meas_param |= D_BAMS_MEAS; // Reset the BA list structure. l1a_reset_ba_list(); // Next measurement report must indicate INVALID. meas_valid = FALSE; // Enable Dedicated mode BA list measurement task. l1a.l1a_en_meas[D_NMEAS] |= D_BAMS_MEAS; // step in state machine. *state = WAIT_RESULT; } // End of process. end_process = 1; } break; case WAIT_RESULT: { if(SignalCode == L1C_MEAS_DONE) // One reporting period has been completed. //----------------------------------------- { // Fill "meas_valid" parameter. ((T_MPHC_MEAS_REPORT*)(msg->SigP))->meas_valid = meas_valid; // Forward result message to L3. l1a_send_result(MPHC_MEAS_REPORT, msg, RRM1_QUEUE); // Next measurement report must indicate VALID. meas_valid = TRUE; // End of process. return; } if(SignalCode == MPHC_UPDATE_BA_LIST) // One reporting period has been completed. //----------------------------------------- { // Reset present flag to avoid to mix 2 updates in case of // an update already pending within "l1a_l1s_com.ba_list.new_list". // This case can occur after a Handover and both previous and new // serving cells are requesting an update. l1a_l1s_com.ba_list.new_list_present = FALSE; // Download new list within L1A_L1S_COM structure. l1a_l1s_com.ba_list.new_list = *((T_MPHC_UPDATE_BA_LIST *)(msg->SigP)); // Set present flag only when the list has been downloaded. l1a_l1s_com.ba_list.new_list_present = TRUE; // End of process. return; } else #if ((REL99 == 1) && (FF_BHO == 1)) if ((SignalCode == MPHC_STOP_DEDICATED_REQ) || (((SignalCode == MPHC_SYNC_HO_REQ) || (SignalCode == MPHC_PRE_SYNC_HO_REQ) || (SignalCode == MPHC_PSEUDO_SYNC_HO_REQ) || (SignalCode == MPHC_ASYNC_HO_REQ) ) && (l1a_l1s_com.dedic_set.handover_type == BLIND_HANDOVER) ) ) #else if(SignalCode == MPHC_STOP_DEDICATED_REQ) #endif // #if ((REL99 == 1) && (FF_BHO == 1)) // We exit DEDICATED mode. { // Stop D_BAMS_MEAS task. l1a_l1s_com.l1s_en_meas &= D_BAMS_MEAS_MASK; // When leaving dedicated mode we must clear the NEW BA // present flag to keep L1 and L1 in step and to avoid // taking it into account on the next Dedicated mode // session. // Check inf any NEW BA available, if so download it... if(l1a_l1s_com.ba_list.new_list_present == TRUE) { UWORD16 i; // Download new list. for(i=0;i<l1a_l1s_com.ba_list.new_list.num_of_chans;i++) { l1a_l1s_com.ba_list.A[i].radio_freq = l1a_l1s_com.ba_list.new_list.chan_list.A[i]; } l1a_l1s_com.ba_list.ba_id = l1a_l1s_com.ba_list.new_list.ba_id; l1a_l1s_com.ba_list.nbr_carrier = l1a_l1s_com.ba_list.new_list.num_of_chans; l1a_l1s_com.ba_list.new_list_present = 0; } // Step in state machine. *state = RESET; } else if(SignalCode == L1C_DEDIC_DONE) // Reset messages. //---------------- { // Step in state machine. *state = RESET; } else // No action in this machine for other messages. //---------------------------------------------- { end_process = 1; } } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1a_freq_band_configuration () */ /*-------------------------------------------------------*/ /* Description : This state machine handles the frequency*/ /*band configuration: E_GSM900, GSM900, DCS1800, PCS1900,*/ /*DUAL, DUALEXT, DUALEXT_PCS1900... */ /* */ /* Starting messages: MPHC_INIT_L1_REQ */ /* */ /* Result messages (input): none */ /* Result messages (output): MPHC_INIT_L1_CON */ /* Reset messages (input): none */ /* */ /*-------------------------------------------------------*/ void l1a_freq_band_configuration(xSignalHeaderRec *msg) { UWORD32 SignalCode = msg->SignalCode; UWORD8 *state = &l1a.state[INIT_L1]; enum states { RESET = 0, WAIT_INIT = 1 }; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; } break; case WAIT_INIT: { if (SignalCode == MPHC_INIT_L1_REQ) // Request from L3 which defined the standard, GSM, E-GSM, DCS1800, DUALEXT... //------------------------------------------------------------------------------- { #if (L1_FF_MULTIBAND == 0) l1_config.std.id = ((T_MPHC_INIT_L1_REQ *)(msg->SigP))->radio_band_config; #else UWORD8 physical_band_id; static UWORD8 rf_band_id_to_l23_band_id[]={PGSM900, GSM850, DCS1800, PCS1900}; #endif Cust_init_std(); l1_tpu_init_light(); #if (L1_FF_MULTIBAND == 0) #if (TRACE_TYPE == 5) trace_sim_freq_band_configuration(l1_config.std.id); #endif #endif /*if (L1_FF_MULTIBAND == 0)*/ // Forward result message to L3. #if (L1_FF_MULTIBAND == 0) l1a_send_confirmation(MPHC_INIT_L1_CON,RRM1_QUEUE); #else // L1_FF_MULTIBAND 1 below msg = os_alloc_sig(sizeof(T_MPHC_INIT_L1_CON)); DEBUGMSG(status, NU_ALLOC_ERR) msg->SignalCode = MPHC_INIT_L1_CON; for (physical_band_id = 0; physical_band_id < RF_NB_SUPPORTED_BANDS; physical_band_id ++) { ((T_MPHC_INIT_L1_CON *)(msg->SigP))->multiband_power_class[physical_band_id].radio_band = rf_band_id_to_l23_band_id[multiband_rf[physical_band_id].gsm_band_identifier]; ((T_MPHC_INIT_L1_CON *)(msg->SigP))->multiband_power_class[physical_band_id].power_class = multiband_rf[physical_band_id].power_class; l1a_l1s_com.powerclass[physical_band_id]=multiband_rf[physical_band_id].power_class; } for (physical_band_id=RF_NB_SUPPORTED_BANDS; physical_band_id<NB_MAX_GSM_BANDS; physical_band_id++) { ((T_MPHC_INIT_L1_CON *)(msg->SigP))->multiband_power_class[physical_band_id].radio_band = 0xFF; } os_send_sig(msg, RRM1_QUEUE); #endif // #if (L1_FF_MULTIBAND == 0) else // This process must be reset. *state = RESET; return; } else // No action in this machine for other messages. //---------------------------------------------- { end_process = 1; } break; } } // End of switch } // End of while } /*-------------------------------------------------------*/ /* l1a_checkmsg_compatibility () */ /*-------------------------------------------------------*/ /* Description : This checks the message compatibility, If the */ /*received message is not compatible with current scenario, */ /*delay the message or ignore the message.*/ /* */ /* */ /* Result messages (input): xSignalHeaderRec *msg */ /* Result messages (output): none */ /* Reset messages (input): none */ /* */ /*-------------------------------------------------------*/ #if(L1_CHECK_COMPATIBLE == 1) void l1a_checkmsg_compatibility (xSignalHeaderRec *msg) { UWORD32 SignalCode = msg->SignalCode; /* stop_req is set to True, if ringer stop message is received from MMI */ if((SignalCode == MMI_AAC_STOP_REQ) || (SignalCode == MMI_MP3_STOP_REQ)) { l1a.stop_req = TRUE; } /* This disables vocoder if vocoder is enabled and set vcr_wait to TRUE */ /* to trigger VCH_R msg when AAC/MP3 is stopped completely. */ /* This is the case of inband tone where first VCH_R is recvieved and */ /* then ringer is started */ if((SignalCode == MMI_AAC_START_REQ) || (SignalCode == MMI_MP3_START_REQ)) { if (l1a.vocoder_state.enabled == TRUE) { l1a.vcr_wait = TRUE; l1a.vch_auto_disable = TRUE; } } /* This is to trigger VCH_R message if message is delayed earliar */ /* and ringer is stopped completely */ if ((l1a.stop_req == TRUE) && (l1a.vcr_wait==TRUE)) { if ((SignalCode == L1_MP3_DISABLE_CON) || (SignalCode == L1_AAC_DISABLE_CON)) { xSignalHeaderRec *msg_vcr; msg_vcr = os_alloc_sig(sizeof(T_MMI_TCH_VOCODER_CFG_REQ)); DEBUGMSG(status,NU_ALLOC_ERR) msg_vcr->SignalCode = MMI_TCH_VOCODER_CFG_REQ; ((T_MMI_TCH_VOCODER_CFG_REQ *) (msg_vcr->SigP))->vocoder_state = l1a.vcr_msg_param; os_send_sig(msg_vcr,L1C1_QUEUE); DEBUGMSG(status,NU_SEND_QUEUE_ERR) l1a.vcr_wait = FALSE; l1a.stop_req = FALSE; { char str[25]; sprintf(str,"TRIGGER VCH"); rvt_send_trace_cpy((T_RVT_BUFFER)str,trace_info.l1_trace_user_id,strlen(str),RVT_ASCII_FORMAT); } } } /* vcr_wait is set to TRUE to delay the VCH_R if MP3/AAC is not stopped completey*/ if(SignalCode == MMI_TCH_VOCODER_CFG_REQ) { l1a.vcr_msg_param = ((T_MMI_TCH_VOCODER_CFG_REQ *) (msg->SigP))->vocoder_state; // MP3 ON or AAC ON if ((!((l1a.state[L1A_MP3_STATE] == 0) || (l1a.state[L1A_MP3_STATE] == 1))) || (!((l1a.state[L1A_AAC_STATE] == 0) || (l1a.state[L1A_AAC_STATE] == 1)))) { l1a.vcr_wait = TRUE; msg->SignalCode = NULL; { char str[25]; sprintf(str,"VCH DELAY"); rvt_send_trace_cpy((T_RVT_BUFFER)str,trace_info.l1_trace_user_id,strlen(str),RVT_ASCII_FORMAT); } } } } #endif