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view src/cs/layer1/p_cfile/l1p_asyn.c @ 49:4e178a0e90f6
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| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 18 Oct 2020 03:39:10 +0000 |
| parents | 4e78acac3d88 |
| children |
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/************* Revision Controle System Header ************* * GSM Layer 1 software * L1P_ASYN.C * * Filename l1p_asyn.c * Copyright 2003 (C) Texas Instruments * ************* Revision Controle System Header *************/ //#pragma DUPLICATE_FOR_INTERNAL_RAM_START #include "l1_macro.h" #include "l1_confg.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 L1P_ASYN_C //#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END // KEEP IN EXTERNAL MEM otherwise #endif //#pragma DUPLICATE_FOR_INTERNAL_RAM_START #include "l1_macro.h" #include "l1_confg.h" #if L1_GPRS #if (CODE_VERSION == SIMULATION) #include <string.h> #include "l1_types.h" #include "sys_types.h" #include "l1_const.h" #if TESTMODE #include "l1tm_defty.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_defty.h" #endif #include "l1_defty.h" #include "cust_os.h" #include "l1_msgty.h" #include "l1_varex.h" #include "l1_signa.h" #include "l1_proto.h" #include "l1_time.h" #include "l1_ctl.h" #include "l1p_cons.h" #include "l1p_msgt.h" #include "l1p_deft.h" #include "l1p_vare.h" #include "l1p_tabs.h" #include "l1p_sign.h" #include "l1p_mfta.h" #include "l1p_macr.h" #include "macs_def.h" #include "macs_cst.h" #else #include <string.h> #include "l1_types.h" #include "sys_types.h" #include "l1_const.h" #if TESTMODE #include "l1tm_defty.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_defty.h" #endif #include "l1_defty.h" #include "cust_os.h" #include "l1_msgty.h" #include "l1_varex.h" #include "l1_signa.h" #include "l1_proto.h" #include "l1_time.h" #include "l1_ctl.h" #include "l1p_cons.h" #include "l1p_msgt.h" #include "l1p_deft.h" #include "l1p_vare.h" #include "l1p_tabs.h" #include "l1p_sign.h" #include "l1p_mfta.h" #include "l1p_macr.h" #include "macs_def.h" #include "macs_cst.h" #endif T_TRANSFER_SET *l1pa_get_free_transfer_set (UWORD8 new_tbf); void l1pa_transfer_process (xSignalHeaderRec *msg); void l1pa_access_process (xSignalHeaderRec *msg); void l1pa_idle_packet_polling_process (xSignalHeaderRec *msg); void l1pa_idle_paging_process (xSignalHeaderRec *msg); void l1pa_cr_meas_process (xSignalHeaderRec *msg); void l1pa_serving_cell_pbcch_read_process (xSignalHeaderRec *msg); void l1pa_neighbor_cell_pbcch_read_process (xSignalHeaderRec *msg); int l1pa_sort (const void *a, const void *b); void l1pa_reset_cr_freq_list (void); void l1pa_tcr_meas_process (xSignalHeaderRec *msg); T_CRES_LIST_PARAM *l1pa_get_free_cres_list_set (void); void l1pa_idle_interference_meas_process (xSignalHeaderRec *msg); void l1pa_transfer_interference_meas_process (xSignalHeaderRec *msg); void l1pa_idle_smscb_process (xSignalHeaderRec *msg); // External prototype void l1pa_send_int_meas_report(UWORD32 SignalCode, T_L1P_ITMEAS_IND *last_l1s_msg, T_L1A_INT_MEAS_PARAM *first_meas_ptr); void l1pa_send_confirmation(UWORD32 SignalCode, UWORD8 id); void l1pa_send_tbf_release_con(UWORD32 SignalCode, UWORD8 tbf_type); //#pragma DUPLICATE_FOR_INTERNAL_RAM_END #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 /*-------------------------------------------------------*/ /* l1pa_task() */ /*-------------------------------------------------------*/ /* */ /* Description: */ /* ------------ */ /* L1PA (Layer 1 Asynchronous) task function. This */ /* function manages the GPRS 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 */ /* "l1pa_task()" function, a balance routine is called, */ /* it enables L1S tasks consequently to the state machine*/ /* requests. */ /* */ /*-------------------------------------------------------*/ void l1pa_task(xSignalHeaderRec *msg) { UWORD8 process; // Clear L1PA "enable meas and tasks" variables. //--------------------------------------------- for(process=0; process<NBR_L1PA_PROCESSES; process++) { l1pa.l1pa_en_meas[process] = NO_TASK; } #if (GSM_IDLE_RAM != 0) if ((msg->SignalCode != L1P_PNP_INFO) && (msg->SignalCode != L1P_PEP_INFO)) #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 // Serving Cell Packet System Information Reading l1pa_serving_cell_pbcch_read_process(msg); // Neighbor Cell Packet System Information Reading l1pa_neighbor_cell_pbcch_read_process(msg); #if (GSM_IDLE_RAM <= 1) // GPF modified for GSM_IDLE_RAM -> SW still running in Internal RAM { // Serving Cell Packet Paging Reading l1pa_idle_paging_process(msg); } #endif // Cell reselection measurement process l1pa_cr_meas_process(msg); // Packet access proccess l1pa_access_process(msg); // Packet polling process l1pa_idle_packet_polling_process(msg); // Packet transfer process. l1pa_transfer_process(msg); // Neighbour Cell Measurement in Packet Transfer mode l1pa_tcr_meas_process(msg); // Intererence measurements in packet idle mode l1pa_idle_interference_meas_process(msg); // Intererence measurements in packet transfer mode l1pa_transfer_interference_meas_process(msg); #if (GSM_IDLE_RAM > 1) // GPF modified for GSM_IDLE_RAM -> SW still running in Internal RAM }else { // Serving Cell Packet Packet Idle Paging Reading l1pa_idle_paging_process(msg); } #endif } //#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END // KEEP IN EXTERNAL MEM otherwise #endif /*-------------------------------------------------------*/ /* l1pa_access_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles the packet */ /* access to the network while in PACKET IDLE mode. */ /* */ /* Starting messages: MPHP_RA_REQ */ /* */ /* Subsequent messages: MPHP_RA_REQ */ /* */ /* Result messages (input): L1P_PRA_DONE */ /* */ /* Result messages (output): MPHP_RA_CON */ /* */ /* Reset message (input): MPHP_RA_STOP_REQ */ /* */ /* Reset message (input): MPHP_RA_STOP_CON */ /*-------------------------------------------------------*/ void l1pa_access_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_RESULT = 2 }; UWORD8 *state = &l1pa.state[P_ACC]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset PRACH process. l1a_l1s_com.l1s_en_task[PRACH] = TASK_DISABLED; // Clear PRACH task enable flag. l1pa_l1ps_com.pra_info.prach_alloc = 0; } break; case WAIT_INIT: { if(SignalCode == MPHP_RA_REQ) // 1st Random access request message. //----------------------------------- { // Download Transmit power configuration. // Given value must be used on 1st TX. // TXPWR value supplied by L3 is the max. TX power level the MS may use in the given band l1s.applied_txpwr = ((T_MPHP_RA_REQ *)(msg->SigP))->txpwr; #if L1_R99 // Init PRACH process. // "rand" parameter chosen by protocol in range [1..4] for R99 l1pa_l1ps_com.pra_info.rand = ((T_MPHP_RA_REQ *)(msg->SigP))->rand; #else // "rand" parameter from msg is not used for the 1st PRACH. l1pa_l1ps_com.pra_info.rand = 1; // First PRACH has to be sent immediately #endif l1pa_l1ps_com.pra_info.channel_request_data = ((T_MPHP_RA_REQ *)(msg->SigP))->channel_request_data; l1pa_l1ps_com.pra_info.bs_prach_blks = ((T_MPHP_RA_REQ *)(msg->SigP))->bs_prach_blks; l1pa_l1ps_com.access_burst_type = ((T_MPHP_RA_REQ *)(msg->SigP))->access_burst_type; // Increment rand parameter by 4 in order to avoid conflict between SYNCHRO and // PRACH tasks when MPHP_START_PCCCH_REQ and MPHP_RA_REQ are // sent at the same time by L3 l1pa_l1ps_com.pra_info.rand+=4; if ((l1pa_l1ps_com.pra_info.bs_prach_blks == 0) || // no blocks allocated (l1pa_l1ps_com.pra_info.bs_prach_blks > 12)) // invalid number of blocks l1pa_l1ps_com.pra_info.prach_alloc = DYN_PRACH_ALLOC; // step in state machine. *state = WAIT_RESULT; // Change mode to connection establishment part 1. l1a_l1s_com.mode = CON_EST_MODE1; // Activate PRACH task (no semaphore for UL tasks). l1a_l1s_com.l1s_en_task[PRACH] = TASK_ENABLED; // Set PRACH task enable flag. } // end of process. end_process = 1; } break; case WAIT_RESULT: { if(SignalCode == L1P_RA_DONE) // Random access acknowledge message: PRACH sent. //----------------------------------------------- { // Forward result message to L3. l1a_send_result(MPHP_RA_CON, msg, GRRM1_QUEUE); // Change mode to connection establishment part 2. l1a_l1s_com.mode = CON_EST_MODE2; // end of process. return; } else if(SignalCode == MPHP_RA_REQ) // Random access message. //----------------------- { // REM: rand is added the msg content since its current content is the already // spent "slots" from the last PRACH sending. l1pa_l1ps_com.pra_info.rand += ((T_MPHP_RA_REQ *)(msg->SigP))->rand + 1; l1pa_l1ps_com.pra_info.channel_request_data = ((T_MPHP_RA_REQ *)(msg->SigP))->channel_request_data; l1pa_l1ps_com.pra_info.bs_prach_blks = ((T_MPHP_RA_REQ *)(msg->SigP))->bs_prach_blks; l1pa_l1ps_com.access_burst_type = ((T_MPHP_RA_REQ *)(msg->SigP))->access_burst_type; if ((l1pa_l1ps_com.pra_info.bs_prach_blks == 0) || // no blocks allocated (l1pa_l1ps_com.pra_info.bs_prach_blks > 12)) // invalid number of blocks l1pa_l1ps_com.pra_info.prach_alloc = DYN_PRACH_ALLOC; // else // l1pa_l1ps_com.pra_info.prach_alloc = FIX_PRACH_ALLOC; else l1pa_l1ps_com.pra_info.prach_alloc = 0; //must be reset for each burst sent // Activate PRACH task (no semaphore for UL tasks). l1a_l1s_com.l1s_en_task[PRACH] = TASK_ENABLED; // Set PRACH task enable flag. // end of process. return; } else if(SignalCode == MPHP_RA_STOP_REQ) // Request to STOP the LINK ACCESS procedure. //------------------------------------------- { UWORD8 i; // send confirmation l1a_send_confirmation(MPHP_RA_STOP_CON,GRRM1_QUEUE); // 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; } // This process must be reset. *state = RESET; } else if(SignalCode == MPHP_POLLING_RESPONSE_REQ) // Stop packet access when packet polling initiated. //-------------------------------------------------- { // Unacknowledged // 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. /*-------------------------------------------------------*/ /* l1pa_cr_meas_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles periodic */ /* signal strength monitoring on carriers specified */ /* in a frequency list: BA(GPRS), NC_FREQUENCY_LIST, */ /* EXT_FREEQUENCY_LIST (respectively: cell reselection */ /* Network Control and Extended measurements. */ /* */ /* Starting messages: MPHP_CR_MEAS_REQ */ /* ------------------ */ /* L1 starts then the periodic FREQUENCY list receive */ /* level monitoring. */ /* */ /* Subsequent messages: MPHP_CR_MEAS_REQ */ /* -------------------- */ /* The frequency list is updated only when measures */ /* on all the carriers of the current list are */ /* performed. */ /* */ /* Result messages (input): L1P_RXLEV_PERIODIC_DONE */ /* ------------------------ */ /* This is a message reported to L1A from L1S. */ /* Reporting is done when last carrier of the frequency */ /* list is read. */ /* */ /* Result messages (output): MPHP_CR_MEAS_IND */ /* ------------------------- */ /* This is the periodic reporting message to L3. */ /* */ /* Reset messages (input): MPHP_CR_MEAS_STOP_REQ */ /* ----------------------- */ /* Frequency list measurement process is stopped by */ /* this message. */ /* */ /*-------------------------------------------------------*/ void l1pa_cr_meas_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_RESULT = 2 }; UWORD8 *state = &l1pa.state[CR_MEAS]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // step in state machine. *state = WAIT_INIT; // Reset P_CRMS_MEAS process. l1pa_l1ps_com.l1ps_en_meas &= P_CRMS_MEAS_MASK; // Reset Packet Cell Reselection Measurement enable flag. } break; case WAIT_INIT: { if(SignalCode == MPHP_CR_MEAS_REQ) // We receive the Frequency list to be monitored. //---------------------------------------------- { UWORD8 i; T_CRES_LIST_PARAM *free_list; // Set parameter synchro semaphore for P_CRMS_MEAS task. l1pa_l1ps_com.meas_param |= P_CRMS_MEAS; // Reset the frequency list structure. l1pa_reset_cr_freq_list(); // Get Ptr to the free Neighbour meas list. // The number of carriers in the list and the list // identification are initialized. free_list = l1pa_get_free_cres_list_set(); // Set number of carrier in the frequency list. free_list->nb_carrier = ((T_MPHP_CR_MEAS_REQ *)(msg->SigP))->nb_carrier; // Store ARFCN list in the Packet Cell Reselection structure. for(i=0;i<free_list->nb_carrier;i++) free_list->freq_list[i] = ((T_MPHP_CR_MEAS_REQ *)(msg->SigP))->radio_freq_no[i]; // Download Frequency list identifier. free_list->list_id = ((T_MPHP_CR_MEAS_REQ *)(msg->SigP))->list_id; // Set "flist" with new set of frequency list parameter l1pa_l1ps_com.cres_freq_list.flist = free_list; // Enable Packet Cell Reselection measurement task. l1pa.l1pa_en_meas[CR_MEAS] |= P_CRMS_MEAS; // step in state machine. *state = WAIT_RESULT; } // End of process. end_process = 1; } break; case WAIT_RESULT: { if(SignalCode == L1P_CR_MEAS_DONE) // One set of measurement has been completed. //--------------------------------------------- { // Forward result message to L3. l1a_send_result(MPHP_CR_MEAS_IND, msg, GRRM1_QUEUE); // End of process. end_process = 1; } else if((SignalCode == MPHP_CR_MEAS_STOP_REQ) || (SignalCode == L1P_TRANSFER_DONE) || (SignalCode == L1C_DEDIC_DONE)) // Request to STOP this activity. //------------------------------- { // send confirmation message l1a_send_confirmation(MPHP_CR_MEAS_STOP_CON,GRRM1_QUEUE); // This process must be reset. *state = RESET; } else if (SignalCode == MPHP_CR_MEAS_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. #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 /*-------------------------------------------------------*/ /* l1pa_idle_paging_process() */ /*-------------------------------------------------------*/ /* */ /*-------------------------------------------------------*/ void l1pa_idle_paging_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_MSG = 2 }; enum pg_mode { NORM_PG = 0, EXT_PG = 1, REORG_PG = 2 }; UWORD8 *state = &l1pa.state[PI_SCP]; UWORD32 SignalCode = msg->SignalCode; UWORD16 imsimod; UWORD16 split_pg_cycle; UWORD16 kcn; UWORD8 page_mode; 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[PALLC] = TASK_DISABLED; // Reset PALLC (reorg) task enable flag. l1a_l1s_com.l1s_en_task[PNP] = TASK_DISABLED; // Reset PNP task enable flag. l1a_l1s_com.l1s_en_task[PEP] = TASK_DISABLED; // Reset PEP task enable flag. // No Paging => no gauging => no Deep sleep l1s.pw_mgr.enough_gaug = FALSE; // forbid Deep sleep } break; case WAIT_INIT: { if(SignalCode == MPHP_START_PCCCH_REQ) { // Set semaphores for any PCCCH reading tasks. l1a_l1s_com.task_param[PALLC] = SEMAPHORE_SET; l1a_l1s_com.task_param[PNP] = SEMAPHORE_SET; l1a_l1s_com.task_param[PEP] = SEMAPHORE_SET; // Request to enter in PACKET PAGING REORGANIZATION or NORMAL mode. //---------------------------------------------------------------- // The initial page mode in the Mobile Station shall be set to paging Reorganization // cf 04.08 section 3.3.2.1.1. however current implementation allows to init the Paging // procedure either in Reorganization or in Normal paging mode. // Download the PAGING PARAMETERS from the command message. page_mode = ((T_MPHP_START_PCCCH_REQ *)(msg->SigP))->page_mode; imsimod = ((T_MPHP_START_PCCCH_REQ *)(msg->SigP))->imsimod; kcn = ((T_MPHP_START_PCCCH_REQ *)(msg->SigP))->kcn; split_pg_cycle = ((T_MPHP_START_PCCCH_REQ *)(msg->SigP))->split_pg_cycle; l1pa_l1ps_com.pccch.bs_pag_blks_res = ((T_MPHP_START_PCCCH_REQ *)(msg->SigP))->bs_pag_blks_res; l1pa_l1ps_com.pccch.bs_pbcch_blks = ((T_MPHP_START_PCCCH_REQ *)(msg->SigP))->bs_pbcch_blks; l1pa_l1ps_com.pccch.frequency_list = ((T_MPHP_START_PCCCH_REQ *)(msg->SigP))->frequency_list; l1pa_l1ps_com.pccch.packet_chn_desc = ((T_MPHP_START_PCCCH_REQ *)(msg->SigP))->packet_chn_desc; l1a_l1s_com.Scell_info.pb = ((T_MPHP_START_PCCCH_REQ *)(msg->SigP))->pb << 2; // Pb format 7.1 // Number of paging blocks "available" on one PCCCH = number of ppch blocks per MF52 * 64 // = (12 - BS_PAG_BLKS_RES - BS_PBCCH_BLKS)*64 l1pa_l1ps_com.pccch.nb_ppch_per_mf52 = (12 - l1pa_l1ps_com.pccch.bs_pag_blks_res - (l1pa_l1ps_com.pccch.bs_pbcch_blks + 1)); // Compute M. l1pa_l1ps_com.pccch.pg_blks_avail = l1pa_l1ps_com.pccch.nb_ppch_per_mf52 * 64; // (IMSI mod 1000) div (KC*N) (Note: N = 1 for PCCCH) l1pa_l1ps_com.pccch.pg_offset = imsimod / kcn; // First Paging Group value: PAGING_GROUP = ((IMSI mod 1000) div ((KC*N)*N)) (for m = 0) l1pa_l1ps_com.pccch.first_pg_grp = (l1pa_l1ps_com.pccch.pg_offset % l1pa_l1ps_com.pccch.pg_blks_avail); // Split Paging computation = min (pg_blks_avail, SPLIT_PG_CYCLE) l1pa_l1ps_com.pccch.split_pg_value = Min(l1pa_l1ps_com.pccch.pg_blks_avail, split_pg_cycle); // Paging Period computation l1pa_l1ps_com.pccch.pnp_period = (64*52) / l1pa_l1ps_com.pccch.split_pg_value; // Rem: changing the paging parameters changes the place where "Periodic Packet // Measurement" task must be executed. It implies to set semaphore for P_CRMS task. l1pa_l1ps_com.meas_param |= P_CRMS_MEAS; // 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 // ((T_MPHP_START_PCCCH_REQ *)(msg->SigP))->packet_chn_desc.timeslot_no 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 += l1pa_l1ps_com.pccch.packet_chn_desc.timeslot_no - l1a_l1s_com.dl_tn; l1a_l1s_com.dl_tn = l1pa_l1ps_com.pccch.packet_chn_desc.timeslot_no; // Select GPRS DSP Scheduler. l1a_l1s_com.dsp_scheduler_mode = GPRS_SCHEDULER; // Timing must be shifted to a new timeslot, enables SYNCHRO task.. l1a_l1s_com.l1s_en_task[SYNCHRO] = TASK_ENABLED; } 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; if(page_mode == REORG_PG) // Paging Reorganization mode... { // Enable Packet Paging Reorganisation tasks. l1a_l1s_com.l1s_en_task[PALLC] = TASK_ENABLED; l1a_l1s_com.l1s_en_task[PNP] = TASK_ENABLED; // End of process. end_process = 1; } else if(page_mode == NORM_PG) // Normal Paging mode... { // Enable Packet Paging tasks in mode "NORMAL". l1a_l1s_com.l1s_en_task[PNP] = TASK_ENABLED; // End of process. end_process = 1; } else // Extended Paging mode... { // Initialize Paging State for PAGING_GROUP computation (L1S part) l1pa_l1ps_com.pccch.epg_computation = PPCH_POS_NOT_COMP; // Enable Packet Paging tasks in mode "EXTENDED". l1a_l1s_com.l1s_en_task[PNP] = TASK_ENABLED; l1a_l1s_com.l1s_en_task[PEP] = TASK_ENABLED; // End of process. end_process = 1; } } // end of test on SignalCode == MPHP_START_PCCCH_REQ else // No action in this machine for other messages. //---------------------------------------------- { // End of process. end_process = 1; } } // end of case WAIT_INIT break; case WAIT_MSG: { if((SignalCode == L1P_PNP_INFO) || (SignalCode == L1P_PALLC_INFO) || (SignalCode == L1P_PEP_INFO)) // Paging Task results { // Forward result message to L3. l1a_send_result(MPHP_DATA_IND, msg, GRRM1_QUEUE); // End of process. return; } else if(SignalCode == MPHP_START_PCCCH_REQ) // New PCCCH configuration is provided. //-------------------------------------------------------- { // Step in state machine *state = RESET; } else if((SignalCode == MPHP_STOP_PCCCH_REQ) || (SignalCode == L1P_TRANSFER_DONE) || (SignalCode == L1C_DEDIC_DONE)) // Request to STOP any serving cell Packet Paging activity, OR // Packet Transfer has just started. // In both cases, PCCCH reading must be stopped. //-------------------------------------------------------- { // Send confirmation message to L3. l1a_send_confirmation(MPHP_STOP_PCCCH_CON,GRRM1_QUEUE); // This process must be reset. *state = RESET; } 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. PCCCH 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 // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } // end of case WAIT_MSG break; } // end of switch } // end of while } // end of procedure //#pragma GSM_IDLE_DUPLICATE_FOR_INTERNAL_RAM_END #endif /*-------------------------------------------------------*/ /* l1pa_idle_packet_polling_process() */ /*-------------------------------------------------------*/ /* Description : . */ /* This state machine handles packet polling after */ /* initiation of the packet acces procedure, when a */ /* packet queuing notification is sent by the network */ /* */ /* Starting messages: MPHP_POLLING_RESPONSE_REQ */ /* */ /* Subsequent messages: */ /* */ /* Result messages (input): L1P_PRA_DONE */ /* */ /* Result messages (output): MPHP_POLLING_IND */ /* */ /* Reset message (input): */ /* */ /* Reset message (input): */ /*-------------------------------------------------------*/ void l1pa_idle_packet_polling_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_RESULT = 2 }; UWORD8 *state = &l1pa.state[P_POLL]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset POLL process. l1a_l1s_com.l1s_en_task[POLL] = TASK_DISABLED; // Clear RAACC task enable flag. } break; case WAIT_INIT: { if(SignalCode == MPHP_POLLING_RESPONSE_REQ) // Polling response request for access procedure. //----------------------------------------------- { UWORD8 i; // Init POLL process. l1pa_l1ps_com.poll_info.pol_resp_type = ((T_MPHP_POLLING_RESPONSE_REQ *)(msg->SigP))->pol_resp_type; l1pa_l1ps_com.poll_info.fn = ((T_MPHP_POLLING_RESPONSE_REQ *)(msg->SigP))->fn; // TXPWR value supplied by L3 is the max. TX power level the MS may use in the given band l1s.applied_txpwr = ((T_MPHP_POLLING_RESPONSE_REQ *)(msg->SigP))->txpwr; // 1 RLC/MAC block is sent: // This is a special case, only possible if the MS has a valid TA available from a pending // assignment and is pooled for an RLC/MAC block. if (l1pa_l1ps_com.poll_info.pol_resp_type == CS1_TYPE_POLL) { for (i=0; i<24; i++) { // download 24 bytes from message l1pa_l1ps_com.poll_info.chan_req.cs1_data[i] = ((T_MPHP_POLLING_RESPONSE_REQ *)(msg->SigP))->channel_request_data[i]; } l1pa_l1ps_com.poll_info.timing_advance = ((T_MPHP_POLLING_RESPONSE_REQ *)(msg->SigP))->timing_advance; // Store MAX TXPWR value to be used for first POLL RESPONSE // if not already done by Packet Access process... for(i = 0; i < 8; i++) { l1pa_l1ps_com.transfer.dl_pwr_ctrl.txpwr[i] = l1s.applied_txpwr; } } // 4 identical PRACH are sent else { // UWORD16 = data[1]<<8 | data[0] l1pa_l1ps_com.poll_info.chan_req.prach_data[0] = ((T_MPHP_POLLING_RESPONSE_REQ *)(msg->SigP))->channel_request_data[0]; l1pa_l1ps_com.poll_info.chan_req.prach_data[0] |= (((T_MPHP_POLLING_RESPONSE_REQ *)(msg->SigP))->channel_request_data[1] << 8); l1pa_l1ps_com.poll_info.timing_advance = 0; } // step in state machine. *state = WAIT_RESULT; // Change mode to connection establishment part 1. l1a_l1s_com.mode = CON_EST_MODE1; // Activate POLL task (no semaphore for UL tasks). // Enable Paging Reorg and Normal paging tasks. l1a_l1s_com.l1s_en_task[POLL] = TASK_ENABLED; // Set PRACH task enable flag. } // end of process. end_process = 1; } break; case WAIT_RESULT: { if(SignalCode == L1P_POLL_DONE) // Random access acqnowledge message. //----------------------------------- { // Forward result message to L3. l1a_send_result(MPHP_POLLING_IND, msg, GRRM1_QUEUE); // Change mode to connection establishment part 2. l1a_l1s_com.mode = CON_EST_MODE2; // This state machine has to be reset *state = RESET; // 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. /*-------------------------------------------------------*/ /* l1pa_transfer_process() */ /*-------------------------------------------------------*/ /* Description: */ /* ------------ */ /* */ /* Starting messages: */ /* ------------------ */ /* */ /* Subsequent messages: */ /* -------------------- */ /* */ /* Result messages (input): */ /* ------------------------ */ /* */ /* Result messages (output): */ /* ------------------------- */ /* */ /* Reset messages (input): */ /* ----------------------- */ /* */ /*-------------------------------------------------------*/ void l1pa_transfer_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_MSG = 1 }; UWORD8 *state = &l1pa.state[TRANSFER]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_MSG; // Rise transfert parameter semaphore. l1pa_l1ps_com.transfer.semaphore = TRUE; } break; case WAIT_MSG: { switch(SignalCode) // switch on input message. //------------------------- { case MPHP_SINGLE_BLOCK_REQ: // Repeat fixed allocation. //------------------------- { T_TRANSFER_SET *free_set; UWORD8 purpose; UWORD8 i; // Rise transfert parameter semaphore to prevent L1S to use partial configuration. l1pa_l1ps_com.transfer.semaphore = TRUE; purpose = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->purpose; // Get Ptr to the free dedicated parameter set. // All important fields are initialised. free_set = l1pa_get_free_transfer_set(purpose); // Fill Transfer mode generic parameters. free_set->assignment_id = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->assignment_id; free_set->assignment_command = purpose; free_set->allocated_tbf = purpose; free_set->packet_ta = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->packet_ta; if((purpose == SINGLE_BLOCK_DL)||(purpose == SINGLE_BLOCK_UL)) { free_set->packet_ta.ta_index = 255; free_set->packet_ta.ta_tn = 255; } free_set->dl_pwr_ctl = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->dl_pwr_ctl; if (free_set->dl_pwr_ctl.p0 != 255) free_set->dl_pwr_ctl.p0 <<= 2; // P0 format 7.1 free_set->tsc = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->tsc; free_set->freq_param = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->freq_param; free_set->tbf_sti = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->tbf_sti; free_set->pc_meas_chan = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->pc_meas_chan; // Download access_burst_type l1pa_l1ps_com.transfer.psi_param.access_burst_type = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->access_burst_type; // Keep the same Pb factor l1pa_l1ps_com.transfer.psi_param.Scell_pb = l1a_l1s_com.Scell_info.pb; // Enable PSI param updating in order to update access_burst_type in L1S l1pa_l1ps_com.transfer.psi_param.psi_param_update_cmd = TRUE; // Fill single block specific parameters. for(i=0;i<23;i++) { l1pa_l1ps_com.transfer.single_block.data_array[i] = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->data_array[i]; } l1pa_l1ps_com.transfer.single_block.tn = ((T_MPHP_SINGLE_BLOCK_REQ *)(msg->SigP))->timeslot_number; l1pa_l1ps_com.transfer.single_block.dl_tn_to_restore = l1a_l1s_com.dl_tn; // Fill "synchro_timeslot" which will be the frame synchro slot. free_set->ul_tbf_synchro_timeslot = l1pa_l1ps_com.transfer.single_block.tn; free_set->transfer_synchro_timeslot = l1pa_l1ps_com.transfer.single_block.tn; // Step in state machine. *state = WAIT_MSG; // Store signalcode. free_set->SignalCode = MPHP_SINGLE_BLOCK_REQ; // Clear transfer parameter semaphore to let L1S use the new parameters. l1pa_l1ps_com.transfer.semaphore = FALSE; // end of process. end_process = 1; } break; case MPHP_ASSIGNMENT_REQ: // Assignement message. //--------------------- { static int count =0; T_TRANSFER_SET *free_set; UWORD8 assignment_command; UWORD8 timeslot_alloc; UWORD8 timeslot; /* TCS211 reconstruction, =0 in TCS3 */ // TBF_changes #if FF_TBF BOOL pseudo_tbf_two_phase_acc; // Special case for two phase access (single or multi allocation): // It is handled as a pseudo UL TBF using a fixed allocation. // Still needs to be flagged to preempt TBF establishment switch in // transfer manager. if (((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->assignment_command == TWO_PHASE_ACCESS) { ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->assignment_command = UL_TBF; pseudo_tbf_two_phase_acc = TRUE; } else pseudo_tbf_two_phase_acc = FALSE; #endif count++ ; // Rise transfert parameter semaphore to prevent L1S to use partial configuration. l1pa_l1ps_com.transfer.semaphore = TRUE; assignment_command = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->assignment_command; // Get Ptr to the free dedicated parameter set. // All important fields are initialised. free_set = l1pa_get_free_transfer_set(assignment_command); // Download message containt. free_set->assignment_id = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->assignment_id; free_set->assignment_command = assignment_command; free_set->multislot_class = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->multislot_class; free_set->dl_pwr_ctl = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->dl_pwr_ctl; if (free_set->dl_pwr_ctl.p0 != 255) free_set->dl_pwr_ctl.p0 <<= 2; // P0 format 7.1 free_set->packet_ta = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->packet_ta; free_set->tsc = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->tsc; free_set->freq_param = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->freq_param; free_set->mac_mode = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->mac_mode; free_set->tbf_sti = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->tbf_sti; free_set->interf_meas_enable = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->interf_meas_enable; free_set->pc_meas_chan = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->pc_meas_chan; // TBF_changes #if FF_TBF // Two phase access condition is stored in FSET structure to be // transfered in ASET for transfer mode manager use. free_set->pseudo_tbf_two_phase_acc = pseudo_tbf_two_phase_acc; #endif // Download access_burst_type l1pa_l1ps_com.transfer.psi_param.access_burst_type = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->access_burst_type; // Keep the same Pb factor l1pa_l1ps_com.transfer.psi_param.Scell_pb = l1a_l1s_com.Scell_info.pb; // Enable PSI param updating in order to update access_burst_type in L1S l1pa_l1ps_com.transfer.psi_param.psi_param_update_cmd = TRUE; switch(assignment_command) { case DL_TBF: { free_set->dl_tbf_alloc = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->dl_ressource_alloc; if((free_set->allocated_tbf == UL_TBF) || (free_set->allocated_tbf == BOTH_TBF)) free_set->allocated_tbf = BOTH_TBF; else free_set->allocated_tbf = DL_TBF; // Look for 1st allocated timeslot. // MSB=TS0...LSB=TS7 timeslot_alloc = free_set->dl_tbf_alloc.timeslot_alloc; timeslot = 0; while((timeslot<7) && !(timeslot_alloc & (0x80>>timeslot))) { timeslot++; } // Fill "synchro_timeslot" which will be the frame synchro slot. free_set->dl_tbf_synchro_timeslot = timeslot; free_set->transfer_synchro_timeslot = timeslot; } break; case UL_TBF: { *(free_set->ul_tbf_alloc) = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->ul_ressource_alloc; if((free_set->allocated_tbf == DL_TBF) || (free_set->allocated_tbf == BOTH_TBF)) free_set->allocated_tbf = BOTH_TBF; else free_set->allocated_tbf = UL_TBF; // Look for 1st allocated timeslot. // MSB=TS0...LSB=TS7 // Dynamic mode: the uplink PDCH are always monitored // The 1st allocated timeslot is a RX on the lowest numbered // timeslot allocated in uplink #if L1_EDA if((free_set->mac_mode == DYN_ALLOC) || (free_set->mac_mode == EXT_DYN_ALLOC)) #else if(free_set->mac_mode == DYN_ALLOC) #endif { timeslot_alloc = free_set->ul_tbf_alloc->timeslot_alloc; timeslot = 0; while((timeslot<7) && !(timeslot_alloc & (0x80>>timeslot))) { timeslot++; } } else // Fixed mode: the 1st allocated timeslot is the downlink control // timeslot allocated by the network, which is a timeslot allocated // in uplink if(free_set->mac_mode == FIX_ALLOC_NO_HALF) { timeslot = free_set->ul_tbf_alloc->fixed_alloc.ctrl_timeslot; } // Fill "synchro_timeslot" which will be the frame synchro slot. free_set->ul_tbf_synchro_timeslot = timeslot; free_set->transfer_synchro_timeslot = timeslot; } break; case BOTH_TBF: { free_set->dl_tbf_alloc = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->dl_ressource_alloc; *(free_set->ul_tbf_alloc) = ((T_MPHP_ASSIGNMENT_REQ *)(msg->SigP))->ul_ressource_alloc; free_set->allocated_tbf = BOTH_TBF; // Process the downlink TBF first allocated timeslot timeslot_alloc = free_set->dl_tbf_alloc.timeslot_alloc; timeslot = 0; while((timeslot<7) && !(timeslot_alloc & (0x80>>timeslot))) { timeslot++; } free_set->dl_tbf_synchro_timeslot = timeslot; // Process the uplink TBF first allocated timeslot // Dynamic mode: the uplink PDCH are always monitored // The 1st allocated timeslot is a RX on the lowest numbered // timeslot allocated in uplink #if L1_EDA if((free_set->mac_mode == DYN_ALLOC) || (free_set->mac_mode == EXT_DYN_ALLOC)) #else if(free_set->mac_mode == DYN_ALLOC) #endif { timeslot_alloc = free_set->ul_tbf_alloc->timeslot_alloc; timeslot = 0; while((timeslot<7) && !(timeslot_alloc & (0x80>>timeslot))) { timeslot++; } } else // Fixed mode: the 1st allocated timeslot is the downlink control // timeslot allocated by the network, which is a timeslot allocated // in uplink if(free_set->mac_mode == FIX_ALLOC_NO_HALF) { timeslot = free_set->ul_tbf_alloc->fixed_alloc.ctrl_timeslot; } free_set->ul_tbf_synchro_timeslot = timeslot; // Fill "synchro_timeslot" which will be the frame synchro slot. if (free_set->dl_tbf_synchro_timeslot > free_set->ul_tbf_synchro_timeslot) { free_set->transfer_synchro_timeslot = free_set->ul_tbf_synchro_timeslot; } else { free_set->transfer_synchro_timeslot = free_set->dl_tbf_synchro_timeslot; } } break; } // Cancel any pending release on the assigned TBF if (l1pa_l1ps_com.transfer.tbf_release_param.tbf_release_cmd == TRUE) { // If pending released TBF = assigned TBF or assigned TBF = BOTH if ((assignment_command == l1pa_l1ps_com.transfer.tbf_release_param.released_tbf) || (assignment_command == BOTH_TBF)) { /* * FreeCalypso TCS211 reconstruction: in the LoCosto version * the call to l1pa_send_tbl_release_con() came first, * but in the TCS211 object it comes after the two * assignments. */ // Cancel the TBF release order l1pa_l1ps_com.transfer.tbf_release_param.tbf_release_cmd = FALSE; l1pa_l1ps_com.transfer.tbf_release_param.released_tbf = NO_TBF; // Send a "TBF Release confirmation" msg to L3 : CQ 46842 l1pa_send_tbf_release_con(MPHP_TBF_RELEASE_CON,l1pa_l1ps_com.transfer.tbf_release_param.released_tbf); } // If BOTH TBF release order pending and no BOTH TBF assigned else if (l1pa_l1ps_com.transfer.tbf_release_param.released_tbf == BOTH_TBF) { // Keep the release of the TBF which is not assigned by this message if (assignment_command == DL_TBF) l1pa_l1ps_com.transfer.tbf_release_param.released_tbf = UL_TBF; else l1pa_l1ps_com.transfer.tbf_release_param.released_tbf = DL_TBF; } } // Step in state machine. *state = WAIT_MSG; // Store signalcode. free_set->SignalCode = MPHP_ASSIGNMENT_REQ; // Clear transfer parameter semaphore to let L1S use the new parameters. l1pa_l1ps_com.transfer.semaphore = FALSE; // end of process. end_process = 1; } break; case L1P_TRANSFER_DONE: // Switch to TRANSFER mode has been done. Send a Assignment confirmation // msg to L3. { l1pa_send_confirmation(MPHP_ASSIGNMENT_CON, ((T_L1P_TRANSFER_DONE *) msg->SigP)->assignment_id); // End of process. end_process = 1; } break; case MPHP_TBF_RELEASE_REQ: // TBF Release. //------------- { UWORD8 i; // Rise transfert parameter semaphore to prevent L1S to use partial configuration. l1pa_l1ps_com.transfer.semaphore = TRUE; // Cumulate with a possible TBF release request received during the same block period if (l1pa_l1ps_com.transfer.tbf_release_param.tbf_release_cmd == TRUE) { if (l1pa_l1ps_com.transfer.tbf_release_param.released_tbf != ((T_MPHP_TBF_RELEASE_REQ *)(msg->SigP))->tbf_type) { l1pa_l1ps_com.transfer.tbf_release_param.released_tbf = BOTH_TBF; } } else { // Enables the TBF release processing in L1S. l1pa_l1ps_com.transfer.tbf_release_param.tbf_release_cmd = TRUE; // Download msg info into L1PA_L1PS_COM. l1pa_l1ps_com.transfer.tbf_release_param.released_tbf = ((T_MPHP_TBF_RELEASE_REQ *)(msg->SigP))->tbf_type; } // Disable all pending TBFs those type is the same as the released TBF for(i = 0; i < 2; i++) { // Pending assignment if (l1pa_l1ps_com.transfer.fset[i]->SignalCode == MPHP_ASSIGNMENT_REQ) { #if !FF_TBF switch(l1pa_l1ps_com.transfer.tbf_release_param.released_tbf) #else UWORD8 released_tbf; // Special case if we got a request to release a two phase access TBF: // It is registered within FSET structure as an uplink TBF. If current // structure is pseudo TBF for two phase access, we process the request // like an uplink release, otherwise we skip it. released_tbf = l1pa_l1ps_com.transfer.tbf_release_param.released_tbf; if (released_tbf == TWO_PHASE_ACCESS) { if (l1pa_l1ps_com.transfer.fset[i]->pseudo_tbf_two_phase_acc) released_tbf = UL_TBF; else released_tbf = NO_TBF; } switch(released_tbf) #endif // FF_TBF { case UL_TBF: { if (l1pa_l1ps_com.transfer.fset[i]->allocated_tbf == UL_TBF) { l1pa_l1ps_com.transfer.fset[i]->allocated_tbf = NO_TBF; l1pa_l1ps_com.transfer.fset[i]->SignalCode = NULL; } if (l1pa_l1ps_com.transfer.fset[i]->allocated_tbf == BOTH_TBF) { l1pa_l1ps_com.transfer.fset[i]->allocated_tbf = DL_TBF; } } break; case DL_TBF: { if (l1pa_l1ps_com.transfer.fset[i]->allocated_tbf == DL_TBF) { l1pa_l1ps_com.transfer.fset[i]->allocated_tbf = NO_TBF; l1pa_l1ps_com.transfer.fset[i]->SignalCode = NULL; } if (l1pa_l1ps_com.transfer.fset[i]->allocated_tbf == BOTH_TBF) { l1pa_l1ps_com.transfer.fset[i]->allocated_tbf = UL_TBF; } } break; case BOTH_TBF: { l1pa_l1ps_com.transfer.fset[i]->allocated_tbf = NO_TBF; l1pa_l1ps_com.transfer.fset[i]->SignalCode = NULL; } break; } // End of switch "tbf_release" } // End if SignalCode = MPHP_ASSIGNMENT_REQ or MPHP_REPEAT_UL_FIXED_ALLOC } // End "for" // Clear transfer parameter semaphore to let L1S use the new parameters. l1pa_l1ps_com.transfer.semaphore = FALSE; // end of process. end_process = 1; } break; case L1P_TBF_RELEASED: // TBF has been release by L1S. Send a "TBF Release confirmation" // msg to L3 { // Send confirmation message to L3. l1pa_send_tbf_release_con(MPHP_TBF_RELEASE_CON,((T_L1P_TBF_RELEASED *)(msg->SigP))->tbf_type); // End of process. end_process = 1; } break; case MPHP_STOP_SINGLE_BLOCK_REQ: // Stop SINGLE block activity. //---------------------------- { UWORD8 i; // Rise transfert parameter semaphore to prevent L1S to use partial configuration. l1pa_l1ps_com.transfer.semaphore = TRUE; // Disable SINGLE task. l1a_l1s_com.l1s_en_task[SINGLE] = TASK_DISABLED; // No more TBF... // Disable PDTCH task. l1a_l1s_com.l1s_en_task[PDTCH] = TASK_DISABLED; // Disable PTCCH task. l1a_l1s_com.l1s_en_task[PTCCH] = TASK_DISABLED; // Free the active set. l1pa_l1ps_com.transfer.aset->allocated_tbf = NO_TBF; // Send confirmation message to L3. l1a_send_confirmation(MPHP_STOP_SINGLE_BLOCK_CON,GRRM1_QUEUE); // disable all pending TBF those type is a single block for(i = 0; i < 2; i++) { // check for pending single block req (MPHP_SINGLE_BLOCK_REQ) if (l1pa_l1ps_com.transfer.fset[i]->SignalCode == MPHP_SINGLE_BLOCK_REQ) { // disable the fset corresponding to single blocks l1pa_l1ps_com.transfer.fset[i]->allocated_tbf = NO_TBF; l1pa_l1ps_com.transfer.fset[i]->SignalCode = NULL; } } // This process must be reset. *state = RESET; // end of process. end_process = 1; } break; case MPHP_PDCH_RELEASE_REQ: // PDCH Release. //-------------- { // Rise transfert parameter semaphore to prevent L1S to use partial configuration. l1pa_l1ps_com.transfer.semaphore = TRUE; // Enables the PDCH release processing in L1S. l1pa_l1ps_com.transfer.pdch_release_param.pdch_release_cmd = TRUE; // Download msg info into L1PA_L1PS_COM. l1pa_l1ps_com.transfer.pdch_release_param.timeslot_available = ((T_MPHP_PDCH_RELEASE_REQ *)(msg->SigP))->timeslot_available; l1pa_l1ps_com.transfer.pdch_release_param.assignment_id = ((T_MPHP_PDCH_RELEASE_REQ *)(msg->SigP))->assignment_id; // Clear transfer parameter semaphore to let L1S use the new parameters. l1pa_l1ps_com.transfer.semaphore = FALSE; // end of process. end_process = 1; } break; case L1P_PDCH_RELEASED: // PDCHs have been release by L1S. Send a "PDCH Release confirmation" // msg to L3 { // Send confirmation message to L3. l1pa_send_confirmation(MPHP_PDCH_RELEASE_CON, ((T_L1P_PDCH_RELEASE_CON *) msg->SigP)->assignment_id); // End of process. end_process = 1; } break; case MPHP_TIMING_ADVANCE_REQ: // TA configuration. //------------------ { // Rise transfert parameter semaphore to prevent L1S to use partial configuration. l1pa_l1ps_com.transfer.semaphore = TRUE; // Enables the timing advance update in L1S. l1pa_l1ps_com.transfer.ptcch.ta_update_cmd = TRUE; // Download message content. l1pa_l1ps_com.transfer.ptcch.packet_ta = ((T_MPHP_TIMING_ADVANCE_REQ *)(msg->SigP))->packet_ta; l1pa_l1ps_com.transfer.ptcch.assignment_id = ((T_MPHP_TIMING_ADVANCE_REQ *)(msg->SigP))->assignment_id; // Clear transfer parameter semaphore to let L1S use the new parameters. l1pa_l1ps_com.transfer.semaphore = FALSE; // end of process. end_process = 1; } break; case L1P_TA_CONFIG_DONE: // TA configuration done. //----------------------- { // Send confirmation message to L3. l1pa_send_confirmation(MPHP_TIMING_ADVANCE_CON, ((T_MPHP_TIMING_ADVANCE_CON *) msg->SigP)->assignment_id); // end of process. end_process = 1; } break; case MPHP_UPDATE_PSI_PARAM_REQ: // Update PSI Parameters. //---------------------- { // Download msg content l1pa_l1ps_com.transfer.psi_param.Scell_pb = ((T_MPHP_UPDATE_PSI_PARAM_REQ *)(msg->SigP))->pb << 2; // Pb format 7.1 l1pa_l1ps_com.transfer.psi_param.access_burst_type = ((T_MPHP_UPDATE_PSI_PARAM_REQ *)(msg->SigP))->access_burst_type; l1pa_l1ps_com.transfer.psi_param.psi_param_update_cmd = TRUE; // send confirmation message l1a_send_confirmation(MPHP_UPDATE_PSI_PARAM_CON,GRRM1_QUEUE); // end of process. end_process = 1; } break; case L1P_PACCH_INFO: // 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. //-------------------------------------------------------- { // Forward result message to RR. l1a_send_result(MPHP_DATA_IND, msg, GRRM1_QUEUE); // end of process. end_process = 1; } break; case L1P_SINGLE_BLOCK_CON: // 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. //-------------------------------------------------------- { // Forward result message to RR. l1a_send_result(MPHP_SINGLE_BLOCK_CON, msg, GRRM1_QUEUE); // This process must be reset. *state = RESET; // end of process. end_process = 1; } break; case MPHP_REPEAT_UL_FIXED_ALLOC_REQ: // Repeat uplink fixed mode allocation bitmap //------------------------------------------- { // Rise transfert parameter semaphore to prevent L1S to use partial configuration. l1pa_l1ps_com.transfer.semaphore = TRUE; // If an UL TBF is running... if ((l1pa_l1ps_com.transfer.aset->allocated_tbf == UL_TBF) || (l1pa_l1ps_com.transfer.aset->allocated_tbf == BOTH_TBF)) { // Download info. from message l1pa_l1ps_com.transfer.repeat_alloc = *((T_MPHP_REPEAT_UL_FIXED_ALLOC_REQ *) msg->SigP); } // Send confirmation if this message was a repeat allocation cancelling if (!((T_MPHP_REPEAT_UL_FIXED_ALLOC_REQ *) msg->SigP)->repeat_allocation) { l1a_send_confirmation(MPHP_REPEAT_UL_FIXED_ALLOC_CON,GRRM1_QUEUE); } else { UWORD8 i; // Disable all pending UL TBF for(i = 0; i < 2; i++) { // Pending assignment if (l1pa_l1ps_com.transfer.fset[i]->SignalCode == MPHP_ASSIGNMENT_REQ) { switch(l1pa_l1ps_com.transfer.fset[i]->allocated_tbf) { // Remove pending UL TBF case UL_TBF: { l1pa_l1ps_com.transfer.fset[i]->allocated_tbf = NO_TBF; l1pa_l1ps_com.transfer.fset[i]->SignalCode = NULL; } break; // Change pending BOTH_TBF in pending DL_TBF case BOTH_TBF: { l1pa_l1ps_com.transfer.fset[i]->allocated_tbf = DL_TBF; } break; } // End of switch "allocated_tbf" } // End if SignalCode = MPHP_ASSIGNMENT_REQ } // End "for" } // Clear transfer parameter semaphore to let L1S use the new parameters. l1pa_l1ps_com.transfer.semaphore = FALSE; // end of process. end_process = 1; } break; case L1P_REPEAT_ALLOC_DONE: { // Send confirmation message to L3. l1a_send_confirmation(MPHP_REPEAT_UL_FIXED_ALLOC_CON,GRRM1_QUEUE); // end of process. end_process = 1; } break; default: // End of process. //---------------- { return; } } // end of switch(SignalCode) } // end of case WAIT_CONFIG. } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1pa_serving_cell_pbcch_read_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles Packet */ /* serving cell PBCCH reading. */ /* */ /* Starting messages: MPHP_SCELL_PBCCH_REQ */ /* ------------------ */ /* */ /* L1 continuously reads the serving cell PBCCH */ /* as requested by the scheduling info (PSI1 repeat */ /* period and relative position. */ /* */ /* Result messages (input): L1C_PBCCHS_INFO */ /* ------------------------ */ /* System information data block from L1S. */ /* */ /* Reset messages (input): MPHP_SCELL_PBCCH_STOP_REQ */ /* ----------------------- */ /* */ /*-------------------------------------------------------*/ void l1pa_serving_cell_pbcch_read_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_PBCCHS_CONFIG = 1, WAIT_PBCCHS_RESULT = 2, PBCCHS_CONFIG = 3 }; UWORD8 *state = &l1pa.state[SCPB]; UWORD32 SignalCode = msg->SignalCode; #define PbcchS l1pa_l1ps_com.pbcchs BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_PBCCHS_CONFIG; // Reset PBCCHS process. l1a_l1s_com.l1s_en_task[PBCCHS] = TASK_DISABLED; // Clear PBCCHS task enable flag. } break; case WAIT_PBCCHS_CONFIG: { // Request to read Normal BCCH from serving cell. if(SignalCode == MPHP_SCELL_PBCCH_REQ) { #define MAX_PSI1_PERIOD 16 UWORD8 i; // Set semaphores for Serving Cell PBCCH reading task. l1a_l1s_com.task_param[PBCCHS] = SEMAPHORE_SET; // Download message content. //-------------------------- PbcchS.nbr_psi = ((T_MPHP_SCELL_PBCCH_REQ *)(msg->SigP))->nbr_psi; PbcchS.bs_pbcch_blks = ((T_MPHP_SCELL_PBCCH_REQ *)(msg->SigP))->bs_pbcch_blks; PbcchS.packet_chn_desc = ((T_MPHP_SCELL_PBCCH_REQ *)(msg->SigP))->packet_chn_desc; PbcchS.frequency_list = ((T_MPHP_SCELL_PBCCH_REQ *)(msg->SigP))->frequency_list; l1a_l1s_com.Scell_info.pb = ((T_MPHP_SCELL_PBCCH_REQ *)(msg->SigP))->pb << 2; // Pb format 7.1 PbcchS.psi1_repeat_period = ((T_MPHP_SCELL_PBCCH_REQ *)(msg->SigP))->psi1_repeat_period; // PBCCH Period is: MF52 * psi1_repeat_period PbcchS.pbcch_period = 52L * PbcchS.psi1_repeat_period; if(PbcchS.nbr_psi == 0) // Full PBCCH reading: Emulated throw "relative positions". //--------------------------------------------------------- { // Emulate full PBCCH reading throw "relative positions" and a repeat period // of 1 MF52. // bs_pbcch_blks= 0 -> Read B0 // bs_pbcch_blks= 1 -> Read B0,B6 // bs_pbcch_blks= 2 -> Read B0,B6,B3 // bs_pbcch_blks= 3 -> Read B0,B6,B3,B9 PbcchS.nbr_psi = PbcchS.bs_pbcch_blks+1; PbcchS.read_all_psi = TRUE; for(i=0;i<PbcchS.nbr_psi;i++) { ((T_MPHP_SCELL_PBCCH_REQ *)(msg->SigP))->relative_position_array[i] = i; } } else // PBCCH reading: use provided "relative positions". //-------------------------------------------------- { PbcchS.read_all_psi = FALSE; } // Compute FN offset for each PSI. //-------------------------------- for(i=0;i<l1pa_l1ps_com.pbcchs.nbr_psi;i++) { WORD8 nbr_mf52; // Range 0..MAX_PSI1_PERIOD (can be negative along its estimation) UWORD8 nbr_rest; // Range 0..3 UWORD8 relative_position; // Range 0..4*MAX_PSI1_PERIOD UWORD8 psi_period; // psi1_repeat_period = 1 if nbr_psi = 0 relative_position = ((T_MPHP_SCELL_PBCCH_REQ *)(msg->SigP))->relative_position_array[i]; nbr_mf52 = relative_position / (PbcchS.bs_pbcch_blks+1); nbr_rest = relative_position % (PbcchS.bs_pbcch_blks+1); // Block B0 is a special case since CTRL phase occurs during // the MF52 before. if(nbr_rest == 0) { nbr_mf52 -= 1; // Set psi_period to 1 when all PSI have to be read (nbr_psi = 0) if(PbcchS.read_all_psi) psi_period = 1; else psi_period = PbcchS.psi1_repeat_period; if(nbr_mf52 < 0) nbr_mf52 += psi_period; } PbcchS.offset_array[i] = (nbr_mf52 * 52L) + PBCCH_POSITION[PbcchS.bs_pbcch_blks][nbr_rest]; PbcchS.relative_position_array[i] = relative_position; } // Step in state machine. *state = PBCCHS_CONFIG; } // No action in this machine for other messages. else { // End of process. return; } } break; case PBCCHS_CONFIG: { WORD8 tn_pbcch; // If PBCCH TS is inferior to L1 synchronization TS, the PBCCH reading // control must be done one frame in advance if (PbcchS.packet_chn_desc.timeslot_no < l1a_l1s_com.dl_tn) PbcchS.control_offset = TRUE; else PbcchS.control_offset = FALSE; // Set "change_synchro" flag to trigger L1S to change the synchro on fly // within PBCCHS and to restore current synchro when PBCCHS task is completed. if(((PbcchS.packet_chn_desc.timeslot_no - l1a_l1s_com.dl_tn + 8) % 8) >=4) { // L1S will make a intra PBCCHS task synchro to current TS + 4. PbcchS.change_synchro = TRUE; tn_pbcch = PbcchS.packet_chn_desc.timeslot_no - l1a_l1s_com.dl_tn - 4; } else { // L1S will NOT make the intra PBCCHS task synchro. PbcchS.change_synchro = FALSE; tn_pbcch = PbcchS.packet_chn_desc.timeslot_no - l1a_l1s_com.dl_tn; } if(tn_pbcch < 0) PbcchS.tn_pbcch = tn_pbcch + 8; else PbcchS.tn_pbcch = tn_pbcch; // Enable PBCCHS task. l1a_l1s_com.l1s_en_task[PBCCHS] = TASK_ENABLED; // Step in state machine. *state = WAIT_PBCCHS_RESULT; // End of process. end_process = 1; } break; case WAIT_PBCCHS_RESULT: { if(SignalCode == L1P_PBCCHS_INFO) // Serving cell BCCH reading result. //---------------------------------- { // Forward result message to L3. l1a_send_result(MPHP_DATA_IND, msg, GRRM1_QUEUE); // End of process. return; } else if(SignalCode == MPHP_SCELL_PBCCH_REQ) // Request to re-configure PBCCH reading. //-------------------------------------- { // Step in state machine. *state = WAIT_PBCCHS_CONFIG; } else if(SignalCode == MPHP_SCELL_PBCCH_STOP_REQ) // Request to STOP any serving cell pbcch activity. //------------------------------------------------ { // Send confirmation message to L3. l1a_send_confirmation(MPHP_SCELL_PBCCH_STOP_CON,GRRM1_QUEUE); // This process must be reset. *state = RESET; } 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) || (SignalCode == L1P_TBF_RELEASED) || //change of Time Slot (SignalCode == L1P_REPEAT_ALLOC_DONE) || (SignalCode == L1P_ALLOC_EXHAUST_DONE)) { // Clear PBCCHS task enable flag. l1a_l1s_com.l1s_en_task[PBCCHS] = TASK_DISABLED; // Set semaphores for Serving Cell PBCCH reading task. l1a_l1s_com.task_param[PBCCHS] = SEMAPHORE_SET; // l1a_l1s_com.dl_tn was changed. Check if a change synchro is needed *state = PBCCHS_CONFIG; // Step in state machine. } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1pa_neighbor_cell_pbcch_read_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles Packet */ /* neighbor cell PBCCH reading. */ /* */ /* Starting messages: MPHP_NCELL_PBCCH_REQ */ /* ------------------ */ /* */ /* L1 continuously reads the neighbor cell PBCCH */ /* as requested by the scheduling info (PSI1 repeat */ /* period and relative position. */ /* */ /* Result messages (input): L1C_PBCCHN_INFO */ /* ------------------------ */ /* System information data block from L1S. */ /* */ /* Reset messages (input): MPHP_NCELL_PBCCH_STOP_REQ */ /* ----------------------- */ /* */ /*-------------------------------------------------------*/ void l1pa_neighbor_cell_pbcch_read_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_PBCCHN_CONFIG = 1, WAIT_PBCCHN_RESULT = 2, PBCCHN_CONFIG = 3 }; UWORD8 *state = &l1pa.state[NCPB]; UWORD32 SignalCode = msg->SignalCode; #define PbcchN l1pa_l1ps_com.pbcchn static WORD32 fn_offset_mem; static WORD32 time_alignmt_mem; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_PBCCHN_CONFIG; // Reset PBCCHS process. l1a_l1s_com.l1s_en_task[PBCCHN_IDLE] = TASK_DISABLED; // Clear PBCCHN task enable flag used in IDLE mode l1a_l1s_com.l1s_en_task[PBCCHN_TRAN] = TASK_DISABLED; // Clear PBCCHN task enable flag used in Transfer Packet mode } break; case WAIT_PBCCHN_CONFIG: { // Request to read Normal PBCCH from neighbor cell. if(SignalCode == MPHP_NCELL_PBCCH_REQ) { #define MAX_PSI1_PERIOD 16 // Set semaphores for Neighbor Cell PBCCH reading task. l1a_l1s_com.task_param[PBCCHN_IDLE] = SEMAPHORE_SET; l1a_l1s_com.task_param[PBCCHN_TRAN] = SEMAPHORE_SET; // Download message content. //-------------------------- PbcchN.bcch_carrier = ((T_MPHP_NCELL_PBCCH_REQ *)(msg->SigP))->bcch_carrier; PbcchN.bs_pbcch_blks = ((T_MPHP_NCELL_PBCCH_REQ *)(msg->SigP))->bs_pbcch_blks; PbcchN.packet_chn_desc = ((T_MPHP_NCELL_PBCCH_REQ *)(msg->SigP))->packet_chn_desc; PbcchN.frequency_list = ((T_MPHP_NCELL_PBCCH_REQ *)(msg->SigP))->frequency_list; PbcchN.psi1_repeat_period = ((T_MPHP_NCELL_PBCCH_REQ *)(msg->SigP))->psi1_repeat_period; PbcchN.relative_position = ((T_MPHP_NCELL_PBCCH_REQ *)(msg->SigP))->relative_position; fn_offset_mem = ((T_MPHP_NCELL_PBCCH_REQ *)(msg->SigP))->fn_offset; time_alignmt_mem = ((T_MPHP_NCELL_PBCCH_REQ *)(msg->SigP))->time_alignment; PbcchN.pb = ((T_MPHP_NCELL_PBCCH_REQ *)(msg->SigP))->pb << 2; // Pb format 7.1 // PBCCH Period is: MF52 * psi1_repeat_period PbcchN.pbcch_period = 52L * PbcchN.psi1_repeat_period; // Compute FN offset. //------------------ { WORD8 nbr_mf52; // Range 0..MAX_PSI1_PERIOD (can be negative along its estimation) UWORD8 nbr_rest; // Range 0..3 UWORD8 relative_position; // Range 0..4*MAX_PSI1_PERIOD relative_position = PbcchN.relative_position; // number of PBCCH blocs nbr_mf52 = relative_position / (PbcchN.bs_pbcch_blks+1); nbr_rest = relative_position % (PbcchN.bs_pbcch_blks+1); // Block B0 is a special case since CTRL phase occurs during the MF52 before. if(nbr_rest == 0) { nbr_mf52 -= 1; if(nbr_mf52 < 0) nbr_mf52 += PbcchN.psi1_repeat_period; } PbcchN.offset = (nbr_mf52 * 52L) + PBCCH_POSITION[PbcchN.bs_pbcch_blks][nbr_rest]; // In case of idle mode if (l1a_l1s_com.mode != PACKET_TRANSFER_MODE) { PbcchN.offset -= 2 ; // because of the 2 frames for the measurement windows // note: PbcchN.offset can not be negative (PbcchN.offset > 12). } } // Step in state machine. *state = PBCCHN_CONFIG; } // No action in this machine for other messages. else { // End of process. return; } } break; case PBCCHN_CONFIG: { //================================================================================== // choose a relative base time in the neighbor cell in order to simplify the L1S scheduling. //================================================================================== PbcchN.fn_offset = fn_offset_mem; PbcchN.time_alignmt = time_alignmt_mem; //the new relative base time is set in order to have the Neighbor burst in position 0. //update with the burts position of the neighor cell : PbcchN.packet_chn_desc.timeslot_no //update according to the current serving cell synchro : l1a_l1s_com.dl_tn PbcchN.time_alignmt += (PbcchN.packet_chn_desc.timeslot_no - l1a_l1s_com.dl_tn ) * TN_WIDTH; // PbcchN.time_alignmt is in [-7TS..+16TS[. // more than 1 frame between the serving cell and the neighbor burst if ( PbcchN.time_alignmt >= 8*TN_WIDTH) { PbcchN.time_alignmt -= 8*TN_WIDTH; PbcchN.fn_offset --; } else if ( PbcchN.time_alignmt < 0) { PbcchN.time_alignmt += 8*TN_WIDTH; PbcchN.fn_offset ++; } // Set "change_synchro" flag to trigger L1S to change the synchro on fly // within PBCCHN and to restore current synchro when PBCCHN task is completed. if (PbcchN.time_alignmt >= 4 * TN_WIDTH) { PbcchN.time_alignmt -= 4 * TN_WIDTH; PbcchN.change_synchro = TRUE; } else PbcchN.change_synchro = FALSE; // In case of packet transfer mode if (l1a_l1s_com.mode == PACKET_TRANSFER_MODE) { // Enable Packet Transfer PBCCHN task l1a_l1s_com.l1s_en_task[PBCCHN_TRAN] = TASK_ENABLED; } // in case of Idle mode else { // Enable IDLE PBCCHN task l1a_l1s_com.l1s_en_task[PBCCHN_IDLE] = TASK_ENABLED; } // Step in state machine. *state = WAIT_PBCCHN_RESULT; // End of process. end_process = 1; } break; case WAIT_PBCCHN_RESULT: { if(SignalCode == L1P_PBCCHN_INFO) // Serving cell BCCH reading result. //---------------------------------- { // Forward result message to L3. l1a_send_result(MPHP_NCELL_PBCCH_IND, msg, GRRM1_QUEUE); // This process must be reset. *state = RESET; } else if(SignalCode == MPHP_NCELL_PBCCH_REQ) // Request to re-configure PBCCH reading. //-------------------------------------- { // Step in state machine. *state = WAIT_PBCCHN_CONFIG; } else if(SignalCode == MPHP_NCELL_PBCCH_STOP_REQ) // Request to STOP any serving cell pbcch activity. //------------------------------------------------ { // Send confirmation message to L3. l1a_send_confirmation(MPHP_NCELL_PBCCH_STOP_CON,GRRM1_QUEUE); // This process must be reset. *state = RESET; } 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) || (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 PBCCHN parameters // Clear PBCCHN_TRAN task disable flag. l1a_l1s_com.l1s_en_task[PBCCHN_TRAN] = TASK_DISABLED; // Set semaphores for Neighbor Cell PBCCH reading task. l1a_l1s_com.task_param[PBCCHN_TRAN] = SEMAPHORE_SET; // update the PBCCHN parameters *state = PBCCHN_CONFIG;// Step in state machine. } else // No action in this machine for other messages. //---------------------------------------------- { // End of process. return; } } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1pa_tcr_meas_process() */ /*-------------------------------------------------------*/ /* Description : This state machine handles Neigbor cell */ /* measurement process in Packet Transfer mode. */ /* Measurement are made on a specified frequency list. */ /* The process is started automatically by L1 (on receipt*/ /* of a L1P_TRANSFER_DONE message from L1S) and doesn't */ /* need to receive any message from L3. */ /* In order to update the frequency list, a */ /* MHPC_TCR_MEAS_REQ msg will be sent from L3 to L1 */ /* */ /* Starting messages: L1P_TRANSFER_DONE */ /* ------------------ */ /* L1 starts then measures on carriers specified in the */ /* frequency list. Measures are performed on every */ /* frames with the occurence of 1 measure per frame */ /* */ /* Subsequent messages: MPHP_TCR_MEAS_REQ */ /* -------------------- */ /* The update is not done asap but postponed until the */ /* end of the reporting period. Frequency list is */ /* updated with the new list. */ /* */ /* Result messages (input): L1P_TRANSFER_MEAS_DONE */ /* ------------------------ */ /* This is the periodic reporting message sent by L1S. */ /* The reporting is done every "reporting period". */ /* The beguining of the reporting period is arbitrary */ /* and starts when the Neigh Meas task is enabled. */ /* */ /* Result messages (output): MPHP_TCR_MEAS_IND */ /* ------------------------- */ /* This is the periodic reporting message to L3. */ /* */ /* Reset messages (input): MPHP_TCR_MEAS_STOP_REQ */ /* ----------------------- */ /* Frequency list neigbor cell measurement process in */ /* Packet Transfer mode is stopped by this message. */ /* */ /*-------------------------------------------------------*/ void l1pa_tcr_meas_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_RESULT = 3 }; UWORD8 *state = &l1pa.state[TCR_MEAS]; UWORD32 SignalCode = msg->SignalCode; UWORD8 i; UWORD8 list_size; T_CRES_LIST_PARAM *free_list; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // step in state machine. *state = WAIT_INIT; // Reset TCR_MEAS process. l1pa_l1ps_com.l1ps_en_meas &= P_TCRMS_MEAS_MASK; // Disable Neighbour Measurement task. } break; case WAIT_INIT: { if(SignalCode == L1P_TRANSFER_DONE) // We enter in Packet Transfer mode. //--------------------------------- { #if 0 /* FreeCalypso: the following code is not present in TCS211 */ #if (CODE_VERSION != SIMULATION) //no meas when entering in Transfer if no BA list initialized //stay in this state and wait for a MPHP_TCR_MEAS_REQ from L3 if((l1pa_l1ps_com.cres_freq_list.alist->nb_carrier == 0) && (l1pa_l1ps_com.tcr_freq_list.new_list_present == FALSE) && (l1a_l1s_com.ba_list.nbr_carrier == 0)) return; #endif #endif // Set parameter synchro semaphore for P_TCRMS_MEAS task. l1pa_l1ps_com.meas_param |= P_TCRMS_MEAS; // Reset Neighbour Cell measurement parameters. l1pa_l1ps_com.tcr_freq_list.tcr_next_to_ctrl = 0; l1pa_l1ps_com.tcr_freq_list.tcr_next_to_read = 0; l1pa_l1ps_com.tcr_freq_list.last_stored_tcr_to_read = 0; l1pa_l1ps_com.tcr_freq_list.first_pass_flag = TRUE; // Initialize counter used to report measurements l1pa_l1ps_com.tcr_freq_list.cres_meas_report = 0; // If no Packet Idle phase has been done and no BA(GPRS) list has been // downloaded, init BA(GPRS) list with BA list used in CS Idle mode. if((l1pa_l1ps_com.cres_freq_list.alist->nb_carrier == 0) && (l1pa_l1ps_com.tcr_freq_list.new_list_present == FALSE)) { // Get Ptr to the free Neighbour meas list. // The number of carriers in the list and the list // identification are initialized. free_list = l1pa_get_free_cres_list_set(); // Download new list within T_CRES_LIST_PARAM structure. free_list->nb_carrier = l1a_l1s_com.ba_list.nbr_carrier; for(i = 0; i < free_list->nb_carrier; i++) { free_list->freq_list[i] = l1a_l1s_com.ba_list.A[i].radio_freq; } free_list->list_id = l1a_l1s_com.ba_list.ba_id; // Set "flist" with Circuit Swithed BA frequency list parameters l1pa_l1ps_com.cres_freq_list.alist = free_list; } // Reset flags. l1pa_l1ps_com.tcr_freq_list.ms_ctrl = 0; l1pa_l1ps_com.tcr_freq_list.ms_ctrl_d = 0; l1pa_l1ps_com.tcr_freq_list.ms_ctrl_dd = 0; // Reset measures made on beacon frequency. l1pa_l1ps_com.tcr_freq_list.beacon_meas = 0; // Enable Packet Transfer Neighbour Measurement task. l1pa.l1pa_en_meas[TCR_MEAS] |= P_TCRMS_MEAS; // step in state machine. *state = WAIT_RESULT; } else if(SignalCode == MPHC_RXLEV_PERIODIC_REQ) // We receive the BA list to be monitored in Idle mode //---------------------------------------------------- { // When enter in Transfer the Idle list must be used // =>reset the packet Transfert list in order to use the Idle list l1pa_l1ps_com.cres_freq_list.alist->nb_carrier = 0; l1pa_l1ps_com.tcr_freq_list.new_list_present = FALSE; } #if 0 /* FreeCalypso: the following code is not present in TCS211 */ else if(SignalCode == MPHP_TCR_MEAS_REQ) // Restart Packet Transfer measurement in TBF after // MPHP_TCR_MEAS_STOP_REQ // ### Check reason why was missing (s921_bis note)... //---------------------------------------------------- { // Set parameter synchro semaphore for P_TCRMS_MEAS task. l1pa_l1ps_com.meas_param |= P_TCRMS_MEAS; free_list = l1pa_get_free_cres_list_set(); // Download new list within T_CRES_LIST_PARAM structure. free_list->nb_carrier = ((T_MPHP_TCR_MEAS_REQ *)(msg->SigP))->nb_carrier; for(i = 0; i < free_list->nb_carrier; i++) { free_list->freq_list[i] = ((T_MPHP_TCR_MEAS_REQ *)(msg->SigP))->radio_freq_no[i]; } free_list->list_id = ((T_MPHP_TCR_MEAS_REQ *)(msg->SigP))->list_id; // Set "flist" with Circuit Swithed BA frequency list parameters l1pa_l1ps_com.cres_freq_list.alist = free_list; // Reset Neighbour Cell measurement parameters. l1pa_l1ps_com.tcr_freq_list.tcr_next_to_ctrl = 0; l1pa_l1ps_com.tcr_freq_list.tcr_next_to_read = 0; l1pa_l1ps_com.tcr_freq_list.last_stored_tcr_to_read = 0; l1pa_l1ps_com.tcr_freq_list.first_pass_flag = TRUE; // Initialize counter used to report measurements l1pa_l1ps_com.tcr_freq_list.cres_meas_report = 0; // Reset flags. l1pa_l1ps_com.tcr_freq_list.ms_ctrl = 0; l1pa_l1ps_com.tcr_freq_list.ms_ctrl_d = 0; l1pa_l1ps_com.tcr_freq_list.ms_ctrl_dd = 0; // Reset measures made on beacon frequency. l1pa_l1ps_com.tcr_freq_list.beacon_meas = 0; // Enable Packet Transfer Neighbour Measurement task. l1pa.l1pa_en_meas[TCR_MEAS] |= P_TCRMS_MEAS; // step in state machine. *state = WAIT_RESULT; } #endif // End of process. end_process = 1; } break; case WAIT_RESULT: { switch(SignalCode) { case L1P_TCR_MEAS_DONE: // One reporting period has been completed. A set of measures is forward to L3. //----------------------------------------------------------------------------- { // Forward result message to L3. l1a_send_result(MPHP_TCR_MEAS_IND, msg, GRRM1_QUEUE); // End of process. end_process = 1; } break; case MPHP_TCR_MEAS_REQ: // Update of the parameters are postponed until end of the reporting period. // Parameters are saved in a double buffer. { // Reset present flag to avoid to mix 2 updates in case of // an update already pending within "l1pa_l1ps_com.cres_freq_list.flist". l1pa_l1ps_com.tcr_freq_list.new_list_present = FALSE; // Get Ptr to the free Neighbour meas list. // The number of carriers in the list and the list // identification are initialized. free_list = l1pa_get_free_cres_list_set(); // Download new list within T_CRES_LIST_PARAM structure. list_size = ((T_MPHP_TCR_MEAS_REQ *)(msg->SigP))->nb_carrier; free_list->nb_carrier = list_size; for(i = 0; i < list_size; i++) { free_list->freq_list[i] = ((T_MPHP_TCR_MEAS_REQ *)(msg->SigP))->radio_freq_no[i]; } free_list->list_id = ((T_MPHP_TCR_MEAS_REQ *)(msg->SigP))->list_id; // Set "flist" with new set of frequency list parameter l1pa_l1ps_com.cres_freq_list.flist = free_list; // Set present flag only when the list has been downloaded. l1pa_l1ps_com.tcr_freq_list.new_list_present = TRUE; // End of process. end_process = 1; } break; case L1P_TBF_RELEASED: { // Test if all TBF have been released // Then stop Neighbour Measurement process if(((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all) { // This process must be reset. *state = RESET; } else { return; } } break; case MPHP_TCR_MEAS_STOP_REQ: // Note: A TBF stop do not imply a stop of the Neighbour Measurement process. // L3 has to send a MPHP_TCR_MEAS_STOP message to stop the measurement process. { // send confirmation message l1a_send_confirmation(MPHP_TCR_MEAS_STOP_CON,GRRM1_QUEUE); // This process must be reset. *state = RESET; } break; default: // No action in this machine for other messages. // Note: No action is performed on receipt of a L1P_TRANSFER_DONE // message. However a SYNCHRO task is programmed, which implies // a reset of measures related to the Serving Cell (cf. L1S). //-------------------------------------------------------------- { return; } } // end of switch(SignalCode) } break; } // end of "switch". } // end of "while" } // end of procedure. /*-------------------------------------------------------*/ /* l1pa_idle_interference_meas_process() */ /*-------------------------------------------------------*/ /* Description : */ /* */ /* Starting messages: MPHP_INT_MEAS_REQ */ /* */ /* This message requests signal strength measurements */ /* on several channels of a specific carrier. */ /* Measurements must be done on one search frame and one */ /* PTCCH frame. */ /* */ /* Result messages (input): L1PS_ITMEAS_IND */ /* */ /* This message is reported to L1A when signal strength */ /* has been measured on one idle frame (PTCCH or search) */ /* */ /* Result messages (output): MPHP_INT_MEAS_IND */ /* */ /* This message is reported to L3 when measurements have */ /* been done on two contiguous idle frames */ /* */ /* Reset message (input): MPHP_INT_MEAS_STOP_REQ */ /* */ /* Interference measurement processing is stopped by */ /* this message */ /*-------------------------------------------------------*/ void l1pa_idle_interference_meas_process(xSignalHeaderRec *msg) { enum states { RESET = 0, WAIT_INIT = 1, WAIT_1ST_RESULT = 2, WAIT_2ND_RESULT = 3 }; static T_L1A_INT_MEAS_PARAM int_meas_param; UWORD8 *state = &l1pa.state[PI_INT_MEAS]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset ITMEAS process. l1a_l1s_com.l1s_en_task[ITMEAS] = TASK_DISABLED; // Clear ITMEAS task enable flag. } break; case WAIT_INIT: { // Interference measurement request //--------------------------------- if (SignalCode == MPHP_INT_MEAS_REQ) { UWORD8 bitmap,i; // Set semaphore l1a_l1s_com.task_param[ITMEAS] = SEMAPHORE_SET; // Download message content l1pa_l1ps_com.itmeas.packet_intm_freq_param = ((T_MPHP_INT_MEAS_REQ *)(msg->SigP))->packet_intm_freq_param; l1pa_l1ps_com.itmeas.multislot_class = ((T_MPHP_INT_MEAS_REQ *)(msg->SigP))->multislot_class; int_meas_param.id = ((T_MPHP_INT_MEAS_REQ *)(msg->SigP))->carrier_id; // Processing of the 2 possible measurement bitmaps //------------------------------------------------- // 1- Without Rx on the frame before l1pa_l1ps_com.itmeas.idle_tn_no_rx = ((T_MPHP_INT_MEAS_REQ *)(msg->SigP))->tn; // Trb respect after measurements // We consider that the timeslot on which the Layer 1 is synchronized is // always allocated on the frame after the idle frame. // For the Trb multi-slot class parameter respect, we must clear the bits at // the right of the interference measurement bitmap l1pa_l1ps_com.itmeas.idle_tn_no_rx &= (UWORD8) ~( 0xFF >> ( 8 + l1a_l1s_com.dl_tn - MS_CLASS[l1pa_l1ps_com.itmeas.multislot_class].trb)); // 2- With a Rx programmed on the frame before // Note: This Rx is always on the dl_tn l1pa_l1ps_com.itmeas.idle_tn_rx = l1pa_l1ps_com.itmeas.idle_tn_no_rx; // Trb respect before measurements // The timeslot on which the Layer 1 is synchronized is allocated on the frame // before the idle frame. // For the Trb multi-slot class parameter respect, we must clear the bits at // the left of the interference measurement bitmap bitmap = 0x80; i = 8 - l1a_l1s_com.dl_tn - MS_CLASS[l1pa_l1ps_com.itmeas.multislot_class].trb; if (i > 8) bitmap >>= (-i); else bitmap <<= i; for (i = 1; i<= MS_CLASS[l1pa_l1ps_com.itmeas.multislot_class].trb; i++) { l1pa_l1ps_com.itmeas.idle_tn_rx &= (UWORD8) ~bitmap; bitmap <<= 1; } // Initialize parameters l1pa_l1ps_com.itmeas.position = ANY_IDLE_FRAME; // First measurement on any idle frame // Enable synchronous task l1a_l1s_com.l1s_en_task[ITMEAS] = TASK_ENABLED; // Step in state machine *state = WAIT_1ST_RESULT; // End of process end_process = 1; } // No action in this machine for other messages. else { // End of process. end_process = 1; } } break; case WAIT_1ST_RESULT: { // Reporting of 1st measurement session //------------------------------------- if (SignalCode == L1P_ITMEAS_IND) { UWORD8 i; // Set semaphore l1a_l1s_com.task_param[ITMEAS] = SEMAPHORE_SET; // Save interference measurements for(i=0; i<8; i++) int_meas_param.rxlev[i] = ((T_L1P_ITMEAS_IND *)(msg->SigP))->rxlev[i]; // Save bitmap int_meas_param.meas_bitmap = ((T_L1P_ITMEAS_IND *)(msg->SigP))->meas_bitmap; // Save reported fn int_meas_param.fn = ((T_L1P_ITMEAS_IND *)(msg->SigP))->fn; // Position = complement of reported position if (((T_L1P_ITMEAS_IND *)(msg->SigP))->position == PTCCH_FRAME) l1pa_l1ps_com.itmeas.position = SEARCH_FRAME; else l1pa_l1ps_com.itmeas.position = PTCCH_FRAME; // Enable ITMEAS l1a_l1s_com.l1s_en_task[ITMEAS] = TASK_ENABLED; // Step in state machine *state = WAIT_2ND_RESULT; // End of process return; } else if (SignalCode == MPHP_INT_MEAS_STOP_REQ) { // Send confirmation l1a_send_confirmation(MPHP_INT_MEAS_STOP_CON,GRRM1_QUEUE); // Reset process *state = RESET; } // No action in this machine for other messages. else { // End of process return; } } break; case WAIT_2ND_RESULT: { // Reporting subsequent measurement session //----------------------------------------- if (SignalCode == L1P_ITMEAS_IND) { // At least one measurement session has already been reported //----------------------------------------------------------- UWORD32 reported_fn; // Check fn // The two measurement sessions must be done in two contiguous idle frames // Modulo if (((T_L1P_ITMEAS_IND *)(msg->SigP))->fn < int_meas_param.fn) { reported_fn = ((T_L1P_ITMEAS_IND *)(msg->SigP))->fn + MAX_FN; } else { reported_fn = ((T_L1P_ITMEAS_IND *)(msg->SigP))->fn; } // The two last measurement sessions are enough close if ((reported_fn - int_meas_param.fn) == 13) { // Build and send result msg to L3. l1pa_send_int_meas_report(MPHP_INT_MEAS_IND, ((T_L1P_ITMEAS_IND *)(msg->SigP)), &int_meas_param); // Only one measurement session per request *state = RESET; } // The two last measurement sessions aren't enough close else { // 1st measurement result is no more valid, second result // must replace it: this is achieved by WAIT_1ST_RESULT state!!! // Step in state machine *state = WAIT_1ST_RESULT; } } else if (SignalCode == MPHP_INT_MEAS_STOP_REQ) { // Send confirmation l1a_send_confirmation(MPHP_INT_MEAS_STOP_CON,GRRM1_QUEUE); // Reset process *state = RESET; } // No action in this machine for other messages. else { // End of process return; } } break; } // End of "switch" } // End of "while" } // End of "procedure" /*-------------------------------------------------------*/ /* l1pa_transfer_interference_meas_process() */ /*-------------------------------------------------------*/ /* Description : */ /* */ /* Starting messages: L1P_TRANFSER_DONE */ /* */ /* Interference measurement processing starts each time */ /* a new starting time occurs if the interference */ /* measurements are enabled */ /* Measurements must be done on one search frame and one */ /* PTCCH frame. */ /* */ /* Result messages (input): L1PS_ITMEAS_IND */ /* */ /* This message is reported to L1A when signal strength */ /* has been measured on one idle frame (PTCCH or search) */ /* */ /* Result messages (output): MPHP_TINT_MEAS_IND */ /* */ /* This message is reported to L3 when measurements have */ /* been done on two idle frames as close as possible */ /* */ /* Reset message (input): L1P_TBF_RELEASED */ /* */ /* Interference measurement processing is stopped when */ /* all TBF are released */ /*-------------------------------------------------------*/ void l1pa_transfer_interference_meas_process(xSignalHeaderRec *msg) { /* Bitmaps used for the processing of full_allocation */ /*----------------------------------------------------*/ const UWORD8 FULL_ALLOCATION[9]= { 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff }; enum states { RESET = 0, WAIT_INIT = 1, CONFIG = 2, WAIT_1ST_RESULT = 3, WAIT_2ND_RESULT = 4 }; static T_L1A_INT_MEAS_PARAM int_meas_param; UWORD8 *state = &l1pa.state[PT_INT_MEAS]; UWORD32 SignalCode = msg->SignalCode; BOOL end_process = 0; while(!end_process) { switch(*state) { case RESET: { // Step in state machine. *state = WAIT_INIT; // Reset ITMEAS process. l1a_l1s_com.l1s_en_task[ITMEAS] = TASK_DISABLED; // Clear ITMEAS task enable flag. } break; case WAIT_INIT: { // New channel assignment //----------------------- if ((SignalCode == L1P_TRANSFER_DONE) || (SignalCode == L1P_REPEAT_ALLOC_DONE) || (SignalCode == L1P_ALLOC_EXHAUST_DONE)) { *state = CONFIG; } // No action in this machine for other messages. else { // End of process. return; } } break; case CONFIG: { // Rise transfert parameter semaphore to prevent L1S to use partial configuration. l1pa_l1ps_com.transfer.semaphore = TRUE; // If the interference measurements are disabled if (l1pa_l1ps_com.transfer.aset->interf_meas_enable == FALSE) { *state = WAIT_INIT; } else { // Set semaphore l1a_l1s_com.task_param[ITMEAS] = SEMAPHORE_SET; // Initialize parameters l1pa_l1ps_com.itmeas.position = ANY_IDLE_FRAME; // First measurement on any idle frame // Save assignment ID for the interference measurements reporting message int_meas_param.id = l1pa_l1ps_com.transfer.aset->assignment_id; // Processing of the measurement bitmap l1pa_l1ps_com.itmeas.meas_bitmap = (UWORD8) FULL_ALLOCATION[MS_CLASS[l1pa_l1ps_com.transfer.aset->multislot_class].rx] >> l1a_l1s_com.dl_tn; // Enable synchronous task l1a_l1s_com.l1s_en_task[ITMEAS] = TASK_ENABLED; // Step in state machine *state = WAIT_1ST_RESULT; } // Clear transfer parameter semaphore to let L1S use the new parameters. l1pa_l1ps_com.transfer.semaphore = FALSE; // End of process. end_process = 1; } break; case WAIT_1ST_RESULT: { // Reporting of 1st measurement session //------------------------------------- if (SignalCode == L1P_ITMEAS_IND) { UWORD8 i; // Set semaphore l1a_l1s_com.task_param[ITMEAS] = SEMAPHORE_SET; // Save interference measurements for(i=0; i<8; i++) int_meas_param.rxlev[i] = ((T_L1P_ITMEAS_IND *)(msg->SigP))->rxlev[i]; // Save bitmap int_meas_param.meas_bitmap = ((T_L1P_ITMEAS_IND *)(msg->SigP))->meas_bitmap; // Save reported fn int_meas_param.fn = ((T_L1P_ITMEAS_IND *)(msg->SigP))->fn; // Position = complement of reported position if (((T_L1P_ITMEAS_IND *)(msg->SigP))->position == PTCCH_FRAME) l1pa_l1ps_com.itmeas.position = SEARCH_FRAME; else l1pa_l1ps_com.itmeas.position = PTCCH_FRAME; // Enable ITMEAS l1a_l1s_com.l1s_en_task[ITMEAS] = TASK_ENABLED; // Step in state machine *state = WAIT_2ND_RESULT; // End of process return; } else if (SignalCode == L1P_TRANSFER_DONE) // The starting time of a new TBF occurs { // Reset process *state = RESET; } else if (SignalCode == L1P_TBF_RELEASED) // A TBF has been released { // No remaining TBF if(((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all) { // Reset process *state = RESET; } else { // Enable a new measurement session *state = CONFIG; } } else if (SignalCode == L1P_PDCH_RELEASED) // PDCH have been released { // Enable a new measurement session *state = CONFIG; } // No action in this machine for other messages. else { // End of process return; } } break; case WAIT_2ND_RESULT: { // Reporting subsequent measurement session //----------------------------------------- if (SignalCode == L1P_ITMEAS_IND) { // At least one measurement session has already been reported //----------------------------------------------------------- UWORD32 reported_fn; // Check fn // The two measurement sessions must be done in two contiguous idle frames // Modulo if (((T_L1P_ITMEAS_IND *)(msg->SigP))->fn < int_meas_param.fn) { reported_fn = ((T_L1P_ITMEAS_IND *)(msg->SigP))->fn + MAX_FN; } else { reported_fn = ((T_L1P_ITMEAS_IND *)(msg->SigP))->fn; } // The two last measurement sessions are enough close if ((reported_fn - int_meas_param.fn) <= 104) { // Build and send result msg to L3. l1pa_send_int_meas_report(MPHP_TINT_MEAS_IND, ((T_L1P_ITMEAS_IND *)(msg->SigP)), &int_meas_param); // Enable a new measurement session *state = CONFIG; } // The two last measurement sessions aren't enough close else { // 1st measurement result is no more valid, second result // must replace it: this is achieved by WAIT_1ST_RESULT state!!! // Step in state machine *state = WAIT_1ST_RESULT; } } else // New channel assignment //----------------------- if ((SignalCode == L1P_TRANSFER_DONE) || (SignalCode == L1P_REPEAT_ALLOC_DONE) || (SignalCode == L1P_ALLOC_EXHAUST_DONE)) { // Reset process *state = RESET; } else if (SignalCode == L1P_TBF_RELEASED) // A TBF has been released { // No remaining TBF if(((T_L1P_TBF_RELEASED *)(msg->SigP))->released_all) { // Reset process *state = RESET; } else { // Enable a new measurement session *state = CONFIG; } } else if (SignalCode == L1P_PDCH_RELEASED) // PDCH have been released { // Enable a new measurement session *state = CONFIG; } // No action in this machine for other messages. else { // End of process return; } } break; } // End of "switch" } // End of "while" } // End of "procedure" //#pragma DUPLICATE_FOR_INTERNAL_RAM_START #endif //#pragma DUPLICATE_FOR_INTERNAL_RAM_END