FreeCalypso > hg > fc-magnetite
diff src/cs/layer1/p_cfile/l1p_driv.c @ 302:0740b5ff15f6
reconstructed L1_GPRS source imported from tcs211-l1-reconst
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Tue, 31 Oct 2017 03:42:35 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cs/layer1/p_cfile/l1p_driv.c Tue Oct 31 03:42:35 2017 +0000 @@ -0,0 +1,1580 @@ +/************* Revision Controle System Header ************* + * GSM Layer 1 software + * L1P_DRIVE.C + * + * Filename l1p_driv.c + * Copyright 2003 (C) Texas Instruments + * + ************* Revision Controle System Header *************/ + +#define L1P_DRIVE_C + +#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" + #include "l1_time.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 "l1_varex.h" + #include "cust_os.h" + #include "l1_msgty.h" + #if L2_L3_SIMUL + #include "hw_debug.h" + #endif + + #include "l1p_cons.h" + #include "l1p_msgt.h" + #include "l1p_deft.h" + #include "l1p_vare.h" + #include "l1p_tabs.h" + + #include "sim_cons.h" + #include "sim_def.h" + extern T_hw FAR hw; + #include "l1_proto.h" + +#else + + #include <string.h> + #include "l1_types.h" + #include "sys_types.h" + #include "l1_const.h" + #include "l1_time.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 "l1_varex.h" + #include "cust_os.h" + #include "l1_msgty.h" + #if L2_L3_SIMUL + #include "hw_debug.h" + #endif + + #include "l1p_cons.h" + #include "l1p_msgt.h" + #include "l1p_deft.h" + #include "l1p_vare.h" + #include "l1p_tabs.h" + + #include "l1_proto.h" + #include "tpudrv.h" + +#endif + +#if(RF_FAM == 61) +#include "l1_rf61.h" +#include "tpudrv61.h" +#include "l1_ctl.h" +#endif + +/*-------------------------------------------------------*/ +/* Prototypes of external functions used in this file. */ +/*-------------------------------------------------------*/ +void l1dmacro_synchro (UWORD32 when, UWORD32 value); +void l1dmacro_offset (UWORD32 offset_value, WORD32 relative_time); +void l1dmacro_afc (UWORD16 afc_value, UWORD8 win_id); + +#if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3) || (RF_FAM == 61) ) + UWORD16 Cust_get_pwr_data(UWORD8 txpwr, UWORD16 radio_freq + #if(REL99 && FF_PRF) + ,UWORD8 number_uplink_timeslot + #endif + ); +#endif +void Cust_get_ramp_tab(API *a_ramp, UWORD8 txpwr_ramp_up, UWORD8 txpwr_ramp_down, UWORD16 radio_freq); + +BOOL l1ps_swap_iq_ul (UWORD16 radio_freq); +BOOL l1ps_swap_iq_dl (UWORD16 radio_freq); +#if (L1_MADC_ON == 1) +#if (RF_FAM == 61) +void l1pdmacro_rx_up (UWORD16 radio_freq,UWORD8 adc_active, UWORD8 csf_filter_choice +#if (NEW_SNR_THRESHOLD == 1) + ,UWORD8 saic_flag +#endif /* NEW_SNR_THRESHOLD == 1*/ + ); +#endif +#else /* RF_FAM == 61*/ +void l1pdmacro_rx_up (UWORD16 radio_freq); +#endif +void l1pdmacro_rx_down (UWORD16 radio_freq, UWORD8 num_rx, BOOL rx_done_flag); +void l1pdmacro_tx_up (UWORD16 radio_freq); +void l1pdmacro_tx_down (UWORD16 radio_freq, WORD16 time, BOOL tx_flag, UWORD8 timing_advance,UWORD8 adc_active); +void l1pdmacro_tx_synth(UWORD16 radio_freq); +void l1pdmacro_anchor (WORD16 time); + +void l1dmacro_rx_synth(UWORD16 radio_freq); +void l1dmacro_agc(UWORD16 radio_freq, WORD8 agc_value, UWORD8 lna_off + #if (RF_FAM == 61) + ,UWORD8 if_ctl + #endif + ); +#if (CODE_VERSION == SIMULATION) + void l1dmacro_rx_ms (UWORD16 arfcn, BOOL rxnb_select); +#else +#if (L1_MADC_ON == 1) +#if (RF_FAM == 61) + void l1dmacro_rx_ms (UWORD16 arfcn,UWORD8 adc_active); +#endif +#else + void l1dmacro_rx_ms (UWORD16 arfcn); +#endif +#endif +void l1pdmacro_it_dsp_gen(WORD16 time); + +/*-------------------------------------------------------*/ +/* Prototypes of functions defined in this file. */ +/*-------------------------------------------------------*/ +// TPU Drivers... + + +// DSP Drivers... +void l1pddsp_synchro (UWORD8 switch_mode, UWORD8 camp_timeslot); +void l1pddsp_idle_prach_data (BOOL polling, UWORD8 cs_type, UWORD16 channel_request_data, + UWORD8 bsic, UWORD16 radio_freq); +void l1pddsp_idle_prach_power (UWORD8 txpwr, UWORD16 radio_freq, UWORD8 ts); +void l1pddsp_single_tx_block (UWORD8 burst_nb, UWORD8 *data, UWORD8 tsc, + UWORD16 radio_freq); +#if FF_L1_IT_DSP_USF +void l1pddsp_idle_rx_nb (UWORD8 burst_nb, UWORD8 tsq, UWORD16 radio_freq, + UWORD8 timeslot_no, BOOL ptcch_dl, BOOL usf_interrupt); +#else +void l1pddsp_idle_rx_nb (UWORD8 burst_nb, UWORD8 tsq, UWORD16 radio_freq, + UWORD8 timeslot_no, BOOL ptcch_dl); +#endif +void l1pddsp_transfer_mslot_ctrl (UWORD8 burst_nb, UWORD8 dl_bitmap, UWORD8 ul_bitmap, + UWORD8 *usf_table, UWORD8 mac_mode, UWORD8 *ul_buffer_index, + UWORD8 tsc, UWORD16 radio_freq, UWORD8 synchro_timeslot, + #if FF_L1_IT_DSP_USF + UWORD8 dsp_usf_interrupt + #else + UWORD8 usf_vote_enable + #endif + ); +void l1pddsp_transfer_mslot_power (UWORD8 *txpwr, UWORD16 radio_freq, UWORD8 ul_bitmap); +void l1pddsp_ul_ptcch_data (UWORD8 cs_type, UWORD16 channel_request_data, UWORD8 bsic, + UWORD16 radio_freq, UWORD8 timeslot_no); +void l1pddsp_interf_meas_ctrl (UWORD8 nb_meas_req); +void l1pddsp_transfer_meas_ctrl (UWORD8 meas_position); + +/*-------------------------------------------------------*/ +/* l1pd_afc() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pd_afc(void) +{ + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) + l1ddsp_load_afc(l1s.afc); + #endif + #if (RF_FAM == 61) + l1dtpu_load_afc(l1s.afc); + #endif +} + +/*-------------------------------------------------------*/ +/* l1pdtpu_interf_meas() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +UWORD8 l1pdtpu_interf_meas(UWORD16 radio_freq, + WORD8 agc, + UWORD8 lna_off, + UWORD8 meas_bitmap, + UWORD32 offset_serv, + UWORD16 win_id, + UWORD8 synchro_ts + #if (RF_FAM == 61) + ,UWORD8 if_ctl + #endif + ) +{ + UWORD8 bit_mask = 0x80; + UWORD8 ts; + BOOL rf_programmed = FALSE; + UWORD8 count = 0; + + if(!win_id) + { + // Nothing programmed yet, we must avoid Mirror effect in Ctrl phase. + l1pdmacro_anchor(l1_config.params.rx_change_offset_time); + } + + for (ts=0; ts<8; ts++) + { + // the bitmap corresponds to that of the idle frame of the network!!! + #if ((CHIPSET==3)||(CHIPSET == 4)) + // limitation of 5 measurements for SAMSON (TPU RAM size limitation) + if((meas_bitmap & bit_mask)&&(count <= 4)) + #else + if(meas_bitmap & bit_mask) + #endif + { + UWORD16 local_win_id; + UWORD16 offset; + WORD16 when; + UWORD16 offset_chg; + + if((ts>synchro_ts) && (count==0)) + { + // The 1st Work does not contain any Interf meas. + // We must ovoid a possible Mirror effect for the rest of TS. + l1pdmacro_anchor(l1_config.params.rx_change_offset_time); + } + + // Increment nbr of meas. programmed. + count++; + + local_win_id = (8 - synchro_ts + ts) * BP_SPLIT; + if(local_win_id >= (BP_SPLIT * 8)) local_win_id -= BP_SPLIT * 8; // Modulo. + + // Compute offset + offset_chg = ((local_win_id * BP_DURATION) >> BP_SPLIT_PW2); + offset = offset_serv + offset_chg; + if(offset >= TPU_CLOCK_RANGE) offset -= TPU_CLOCK_RANGE; + + if(!rf_programmed) + { + // Compute offset change timing + when = offset_chg + + PROVISION_TIME - + l1_config.params.rx_synth_setup_time - + EPSILON_OFFS; + + if(when < 0) when += TPU_CLOCK_RANGE; + + // Program TPU scenario + l1dmacro_offset (offset, when); // change TPU offset according to win_id + l1dmacro_rx_synth (radio_freq); // pgme SYNTH. + #if (RF_FAM !=61) + l1dmacro_agc (radio_freq, agc,lna_off); // pgme AGC. + #endif + + #if (RF_FAM == 61) + l1dmacro_agc (radio_freq, agc,lna_off, if_ctl); // pgme AGC. + #endif + + rf_programmed = TRUE; + } + else + { + // Compute offset change timing + when = offset_chg - BP_DURATION + PROVISION_TIME + PW_ACQUIS_DURATION + 20; + if(when < 0) when += TPU_CLOCK_RANGE; + + // Program TPU scenario + l1dmacro_offset (offset, when); // change TPU offset according to win_id + } + + #if (CODE_VERSION == SIMULATION) + l1dmacro_rx_ms (radio_freq, 1); // pgm PWR acquisition. + #else + #if (L1_MADC_ON == 1) + #if (RF_FAM == 61) + l1dmacro_rx_ms (radio_freq,INACTIVE); // pgm PWR acquisition. + #endif + #else + l1dmacro_rx_ms (radio_freq); // pgm PWR acquisition. + #endif + #endif + + l1dmacro_offset (offset_serv, IMM); // restore offset + } + + bit_mask >>= 1; + + } // for(ts... + + return(count); +} + +/*-------------------------------------------------------*/ +/* l1dtpu_serv_rx() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* rx_id: range 0-7, first slot of RX group */ +/* rx_group_id: used in case |RX| |RX| */ +/* */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pdtpu_serv_rx_nb(UWORD16 radio_freq, UWORD8 agc, UWORD8 lna_off, + UWORD8 rx_id, UWORD32 offset_serv, UWORD8 num_rx, + UWORD8 rx_group_id, BOOL rx_done_flag,UWORD8 adc_active + #if (RF_FAM == 61) + ,UWORD8 csf_filter_choice + ,UWORD8 if_ctl + #endif + #if (NEW_SNR_THRESHOLD == 1) + ,UWORD8 saic_flag + #endif /* NEW_SNR_THRESHOLD*/ + ) +{ + UWORD16 offset; + + #if (CODE_VERSION == SIMULATION) + UWORD32 tpu_w_page; + + if (hw.tpu_r_page==0) + tpu_w_page=1; + else + tpu_w_page=0; + + hw.rx_id[tpu_w_page][rx_group_id-1]=rx_id; + hw.num_rx[tpu_w_page][rx_group_id-1]=num_rx; + hw.rx_group_id[tpu_w_page]=rx_group_id; + #endif + + offset = offset_serv + (rx_id * BP_DURATION); + if(offset >= TPU_CLOCK_RANGE) offset -= TPU_CLOCK_RANGE; + + if (rx_group_id == 1) + { + // Time tracking. + l1dmacro_synchro (l1_config.params.rx_change_synchro_time, offset_serv); // Adjust serving OFFSET. + + #if L2_L3_SIMUL + #if (DEBUG_TRACE == BUFFER_TRACE_OFFSET) + buffer_trace(3, 0x43, offset_serv, l1s.actual_time.fn, 0); + #endif + #endif + + // Change offset to align on RX. + l1dmacro_offset(offset, IMM); + + // Program Synth. + // Program ADC measurement + // Program AGC. + l1dmacro_rx_synth(radio_freq); + if(adc_active == ACTIVE) + l1dmacro_adc_read_rx(); + + l1dmacro_agc (radio_freq, agc, lna_off + #if (RF_FAM == 61) + ,if_ctl + #endif + ); + } + else + { + // Change offset to align on RX. + l1dmacro_offset(offset, IMM); // Change offset to align on RX. + } + + l1pdmacro_rx_up (radio_freq + #if (RF_FAM == 61) + ,adc_active + ,csf_filter_choice + #endif + #if (NEW_SNR_THRESHOLD == 1) + ,saic_flag + #endif /* NEW_SNR_THRESHOLD*/ + + ); // RX window opened. + l1pdmacro_rx_down(radio_freq, num_rx, rx_done_flag); // RX window closed. + + // Restore offset to synchro value. + l1dmacro_offset (offset_serv, IMM); +} + +/*-------------------------------------------------------*/ +/* l1dtpu_serv_tx() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +#if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) + #ifndef ABB_RAMP_UP_TIME //Flexi ABB Delays defines it in tpudrvXX.h + #define ABB_RAMP_UP_TIME 32 // maximum time for ramp up + #endif + + #ifndef ABB_RAMP_DELAY//Flexi ABB Delays defines it in tpudrvXX.h + #define ABB_RAMP_DELAY 6 // minimum ramp delay APCDEL + #endif + +#ifndef ABB_BULON_HOLD_TIME //Flexi ABB Delays defines it in tpudrvXX.h + #define ABB_BULON_HOLD_TIME 32 // min. hold time for BULON after BULENA down +#endif + + +#endif +void l1pdtpu_serv_tx(UWORD16 radio_freq, + UWORD8 timing_advance, + UWORD32 offset_serv, + UWORD8 tx_id, + UWORD8 num_tx, + UWORD8 tx_group_id, + UWORD8 switch_flag, + BOOL burst_type, + BOOL rx_flag, + UWORD8 adc_active) +{ + WORD16 time; + UWORD32 offset_tx; + UWORD32 timing_advance_in_qbit = (UWORD32)timing_advance << 2; + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3) || (RF_FAM == 61)) + UWORD16 apcdel1_data, apcdel1_data_up; + #endif + UWORD8 i; + static UWORD8 static_switch_flag = 0; + + #if (CODE_VERSION == SIMULATION) + UWORD32 tpu_w_page; + + if (hw.tpu_r_page==0) + tpu_w_page=1; + else + tpu_w_page=0; + + hw.tx_id[tpu_w_page][tx_group_id-1]=tx_id; + hw.num_tx[tpu_w_page][tx_group_id-1]=num_tx; + hw.tx_group_id[tpu_w_page]=tx_group_id; + #endif + + // Reset timing advance if TA_ALGO not enabled. + #if !TA_ALGO + timing_advance_in_qbit = 0; + #endif + + // In case another group of TX bursts is called, the previous slot was a hole + // An IT has to be generated to the DSP so that ramps and power level are reloaded + // This does not apply to combinations of PRACH and TX NB + if ((tx_group_id > 1) && (!static_switch_flag)) + { + // exact timing for generation of IT during hole not required but + // time > time of previous ramp down (BULENA -> BULON down = 32 qb) + margin (10 qb) + #if (RF_FAM != 61) + time = TX_TABLE[tx_id-1] + PROVISION_TIME + ABB_BULON_HOLD_TIME + 10 + - l1_config.params.prg_tx_gsm; + #endif + + #if (RF_FAM == 61) + time = TX_TABLE[tx_id-1] + PROVISION_TIME + APC_RAMP_DOWN_TIME + 10 + - l1_config.params.prg_tx_gsm; + #endif + + if (burst_type == TX_NB_BURST) + time -= timing_advance_in_qbit; // time can never be negative here + + l1pdmacro_it_dsp_gen(time); + } + + + if (tx_group_id == 1) + { + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) + //MS TX, set ABB in MS mode + #if (DSP == 33) || (DSP == 34) || (DSP == 35) || (DSP == 36) || (DSP == 37) + // ABB set to MS mode if |TX|TX|.., |TX|PRACH|, |PRACH|TX| or |PRACH|PRACH| + // switch_flag is set for the first burst of TX/PRACH or PRACH/PRACH combinations + // MS mode in ABB must be maintained for second burst (static_switch_flag) + if ((num_tx > 1) || (switch_flag) || (static_switch_flag)) + l1ps_dsp_com.pdsp_ndb_ptr->d_bbctrl_gprs = l1_config.params.bbctrl | B_MSLOT; + else + l1ps_dsp_com.pdsp_ndb_ptr->d_bbctrl_gprs = l1_config.params.bbctrl; + #endif + #endif + } + else + { + // handle special case |TX| |TX|TX| + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) + //MS TX, set ABB in MS mode + #if (DSP == 33) || (DSP == 34) || (DSP == 35) || (DSP == 36) || (DSP == 37) + if ((num_tx > 1) || (switch_flag) || (static_switch_flag)) + l1ps_dsp_com.pdsp_ndb_ptr->d_bbctrl_gprs = l1_config.params.bbctrl | B_MSLOT; + #endif + #endif + } + + // Compute offset value for TX. + // PRG_TX has become variable, no longer contained in TIME_OFFSET_TX ! + if ((burst_type == TX_NB_BURST) || (switch_flag==1)) + { + offset_tx = offset_serv + TX_TABLE[tx_id] + PROVISION_TIME + - l1_config.params.prg_tx_gsm - timing_advance_in_qbit; + } + else + { + offset_tx = offset_serv + TX_TABLE[tx_id] + PROVISION_TIME + - l1_config.params.prg_tx_gsm; + } + + // offset_tx mod 5000 + if (offset_tx >= TPU_CLOCK_RANGE) + offset_tx -= TPU_CLOCK_RANGE; + + if(rx_flag == TRUE) + { + time = offset_tx - + l1_config.params.tx_synth_setup_time - + EPSILON_OFFS + - offset_serv; + if ((burst_type == TX_NB_BURST) || (switch_flag==1)) + time += timing_advance_in_qbit - TA_MAX; + } + else + time = TPU_CLOCK_RANGE - EPSILON_SYNC; + + if (time < 0) + time += TPU_CLOCK_RANGE; + + if (!static_switch_flag) + l1dmacro_offset (offset_tx, (WORD32) time); // load OFFSET for TX before each burst. + + #if L2_L3_SIMUL + #if (DEBUG_TRACE == BUFFER_TRACE_OFFSET) + buffer_trace(2, offset_tx,l1s.actual_time.fn,0,0); + #endif + #endif + + time=0; + + // program PLL only if no TX control carried out in same frame: |TX| |TX|TX| possible + // |PRACH|TX|, |TX|PRACH| or |PRACH|PRACH| also possible + if (tx_group_id == 1) + { + l1pdmacro_tx_synth(radio_freq); // load SYNTH. + } + + if (!static_switch_flag) // window opened for previous time slot (TX/PRACH or PRACH/PRACH) + l1pdmacro_tx_up(radio_freq); // TX window opened + + + #if (CODE_VERSION == SIMULATION) + if (burst_type == TX_RA_BURST) + { + time += l1_config.params.tx_ra_duration; + } + else + { + if (num_tx > 1) + // num_tx * BP_DURATION + time += TX_TABLE[num_tx - 1] + l1_config.params.tx_nb_duration; + else + time += l1_config.params.tx_nb_duration; + } + #else + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) + // Read APCDEL1 register DELU(4:0): delay of ramp up start, DELD (9:5) delay of ramp down start + // This value is used for computations in MS TX or TX/PRACH combinations + // This value is not modified by the computations + apcdel1_data = (l1s_dsp_com.dsp_ndb_ptr->d_apcdel1 >> 6) & 0x03ff; + apcdel1_data_up = apcdel1_data & 0x001f; //delay of ramp up start + #endif + +#if (RF_FAM == 61) + // Read APCDEL1 register DELU(4:0): delay of ramp up start, DELD (9:5) delay of ramp down start + // This value is used for computations in MS TX or TX/PRACH combinations + // This value is not modified by the computations + apcdel1_data = (l1s_dsp_com.dsp_ndb_ptr->d_apcdel1) & 0x03ff; + apcdel1_data_up = apcdel1_data & 0x001f; //delay of ramp up start +#endif + + if (!switch_flag) + { + if (burst_type == TX_NB_BURST) + { + // If PRACH precedes TX normal burst(s) we have to add BP_DURATION + if (static_switch_flag) + time += BP_DURATION; + + // generate DSP IT for each TX slot after ramp up + // Margin: + // ABB_RAMP_DELAY = 4*1.5bits internal ABB delay BULENA ON -> ramp up + // apcdel1_data_up = additional delay BULENA ON -> ramp up + // ABB_RAMP_UP_TIME: maximum time for ramp up: 16 coeff. + // 10 qbits of additional margin + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) + for (i=0; i<num_tx; i++) + l1pdmacro_it_dsp_gen(time + ABB_RAMP_DELAY + ABB_RAMP_UP_TIME + i*BP_DURATION + apcdel1_data_up + 10); + #endif + + #if (RF_FAM == 61) + for (i=0; i<num_tx; i++) + l1pdmacro_it_dsp_gen(time + APC_RAMP_DELAY + APC_RAMP_UP_TIME + i*BP_DURATION + apcdel1_data_up + 10); + #endif + + + if (num_tx > 1) + // (num_tx - 1) * BP_DURATION + normal burst duration + time += TX_TABLE[num_tx - 1] + l1_config.params.tx_nb_duration - (num_tx - 1); + else + time += l1_config.params.tx_nb_duration; + } + else //PRACH + { + // If TX NB precedes PRACH we have to add BP_DURATION and TA (in qbits) + if (static_switch_flag == 1) + { + if (timing_advance_in_qbit > 240) // clip TA, cf. comment below + timing_advance_in_qbit = 240; + time += BP_DURATION + timing_advance_in_qbit; + } + // If PRACH precedes PRACH we have to add BP_DURATION + else if (static_switch_flag == 2) + time += BP_DURATION ; + + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) + l1pdmacro_it_dsp_gen(time + ABB_RAMP_DELAY + ABB_RAMP_UP_TIME + apcdel1_data_up + 10); + #endif + + #if (RF_FAM == 61) + l1pdmacro_it_dsp_gen(time + APC_RAMP_DELAY + APC_RAMP_UP_TIME + apcdel1_data_up + 10); + #endif + + time += l1_config.params.tx_ra_duration; + } + + } + else if (switch_flag == 1) // |TX|PRACH| or |PRACH|TX| + { + #if (DSP == 33) || (DSP == 34) || (DSP == 35) || (DSP == 36) || (DSP == 37) || (DSP == 38) || (DSP == 39) + // => ABB windows are opened as for TX_NB in MS mode + // => Ramp up start of PRACH is delayed inside this window by the TA of the TX_NB + // => DSP inserts dummy bits such that ramp and modulation match + // Rem.: the TA passed for the PRACH is the one for the following TX_NB!!! + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) || (RF_FAM == 61) + // In combinations of TX_NB and PRACH apcdel1_bis and apcdel2_bis apply to the PRACH + UWORD16 apcdel1_bis_data, apcdel1_bis_data_up, apcdel2_bis_data_up, prach_delay; + API d_ctrl_abb_gprs; + + // clip TA (in qbit): max. TA supported = BP_DURATION - PRACH duration - max. ramp time + // = 625 - 88*4 - 32 = 241 + if (timing_advance_in_qbit > 240) + timing_advance_in_qbit = 240; + + prach_delay = apcdel1_data_up + timing_advance_in_qbit; + apcdel1_bis_data_up = prach_delay & 0x001f; + apcdel2_bis_data_up = (prach_delay >> 5) & 0x001f; + + // For ramp down delay we need to keep the original value from APCDEL1 (bits 9:5) + // APCDEL2 default value is '0' + apcdel1_bis_data = apcdel1_bis_data_up | (apcdel1_data & 0x03e0); + + #if(RF_FAM != 61) + l1s_dsp_com.dsp_ndb_ptr->d_apcdel1_bis = (apcdel1_bis_data << 6) | 0x04; + l1s_dsp_com.dsp_ndb_ptr->d_apcdel2_bis = (apcdel2_bis_data_up << 6) | 0x34; + #else + l1s_dsp_com.dsp_ndb_ptr->d_apcdel1_bis = (apcdel1_bis_data ); + l1s_dsp_com.dsp_ndb_ptr->d_apcdel2_bis = (apcdel2_bis_data_up); + #endif + + if (burst_type == TX_RA_BURST) // |PRACH|TX| + { + + #if(RF_FAM != 61) + l1pdmacro_it_dsp_gen(time + ABB_RAMP_DELAY + ABB_RAMP_UP_TIME + prach_delay + 10); + #else + l1pdmacro_it_dsp_gen(time + APC_RAMP_DELAY + APC_RAMP_UP_TIME + prach_delay + 10); + #endif + // apcdel1_bis, apcdel2_bis must be programmed for the current ts (PRACH) + // here we need to overwrite (mask) bits for APCDEL1, APCDEL2 programming done in l1pddsp_transfer_mslot_power() + d_ctrl_abb_gprs = l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[tx_id]; + d_ctrl_abb_gprs |= ((1 << B_BULRAMPDEL_BIS) | (1 << B_BULRAMPDEL2_BIS)); + d_ctrl_abb_gprs &= ~((1 << B_BULRAMPDEL) | (1 << B_BULRAMPDEL2)); + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[tx_id] = d_ctrl_abb_gprs; + } + else // |TX|PRACH| + { + #if(RF_FAM != 61) + l1pdmacro_it_dsp_gen(time + ABB_RAMP_DELAY + ABB_RAMP_UP_TIME + apcdel1_data_up + 10); + #else + l1pdmacro_it_dsp_gen(time + APC_RAMP_DELAY + APC_RAMP_UP_TIME + apcdel1_data_up + 10); + #endif + + // apcdel1_bis, apcdel2_bis must be programmed for the next ts (PRACH) + d_ctrl_abb_gprs = l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[tx_id + 1]; + d_ctrl_abb_gprs |= ((1 << B_BULRAMPDEL_BIS) | (1 << B_BULRAMPDEL2_BIS)); + d_ctrl_abb_gprs &= ~((1 << B_BULRAMPDEL) | (1 << B_BULRAMPDEL2)); + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[tx_id + 1] = d_ctrl_abb_gprs; + } + #endif // ANALOG + + static_switch_flag = 1; + + #endif // DSP == 33 || DSP == 34 || (DSP == 36) || (DSP == 37) + } + else if (switch_flag == 2) // |PRACH|PRACH| + // Combination handled by programming ABB with MS mode = 1 + // => first burst length of first PRACH = BP_DURATION + { + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) + l1pdmacro_it_dsp_gen(time + ABB_RAMP_DELAY + ABB_RAMP_UP_TIME + apcdel1_data_up + 10); + #endif + + #if (RF_FAM == 61) + l1pdmacro_it_dsp_gen(time + APC_RAMP_DELAY + APC_RAMP_UP_TIME + apcdel1_data_up + 10); + #endif + + static_switch_flag = 2; + } + #endif //Codeversion + + // In case of combinations TX_NB/PRACH or PRACH/PRACH the TX window is kept open + if (!switch_flag) + { + l1pdmacro_tx_down(radio_freq, time, switch_flag, timing_advance_in_qbit,adc_active); // TX window closed + + l1dmacro_offset (offset_serv, IMM); // Restore offset with serving value. + + static_switch_flag = 0; + } + + #if L2_L3_SIMUL + #if (DEBUG_TRACE == BUFFER_TRACE_OFFSET) + buffer_trace(2, offset_serv,l1s.actual_time.fn,0,0); + #endif + #endif +} + +/*-------------------------------------------------------*/ +/* l1pddsp_synchro() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_synchro(UWORD8 switch_mode, UWORD8 camp_timeslot) +{ + // Set "b_abort" to TRUE. + l1s_dsp_com.dsp_db_w_ptr->d_ctrl_system |= (1 << B_TASK_ABORT); + + // Set switch mode within "b_switch_to_gprs" & "b_switch_to_gms" + l1ps_dsp_com.pdsp_ndb_ptr->d_sched_mode_gprs = (switch_mode << B_SWITCH); + + // In case of a switch to GPRS_SCHEDULER, last_used_txpwr is set to "NO_TXPWR" + // in order to force GSM ramp programming when the MS will switch back to + // GSM_SCHEDULER + // Moreover, the d_win_start_gprs register must be initialized only during the + // GSM->GPRS switch too. + if(switch_mode == GPRS_SCHEDULER) + { + l1s.last_used_txpwr = NO_TXPWR; + + // Set camp timeslot. + l1ps_dsp_com.pdsp_ndb_ptr->d_win_start_gprs = camp_timeslot; + } +} + + +/*-------------------------------------------------------*/ +/* l1pddsp_idle_prach_data() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_idle_prach_data(BOOL polling, + UWORD8 cs_type, + UWORD16 channel_request_data, + UWORD8 bsic, + UWORD16 radio_freq) +{ + UWORD16 swap_bit; // 16 bit wide to allow shift left. + + // UL on TS=3. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_u_gprs |= 0x80 >> 3; + + // Swap I/Q management. + swap_bit = l1ps_swap_iq_ul(radio_freq); + l1ps_dsp_com.pdsp_db_w_ptr->d_task_u_gprs |= swap_bit << 15; + + // Load UL buffer according to "polling" bit. + if(polling) + { + // Select first UL polling buffer. + l1ps_dsp_com.pdsp_ndb_ptr->a_ul_buffer_gprs[3] = 8; + + // Store CS type. + l1ps_dsp_com.pdsp_ndb_ptr->a_pu_gprs[0][0] = cs_type; + + // Store UL data block. + if(cs_type == CS_PAB8_TYPE) + { + l1ps_dsp_com.pdsp_ndb_ptr->a_pu_gprs[0][2] = ((API)(bsic << 2)) | + ((API)(channel_request_data) << 8); + l1ps_dsp_com.pdsp_ndb_ptr->a_pu_gprs[0][3] = 0; + } + else + { + l1ps_dsp_com.pdsp_ndb_ptr->a_pu_gprs[0][2] = ((API)(channel_request_data) << 5); + l1ps_dsp_com.pdsp_ndb_ptr->a_pu_gprs[0][3] = ((API)(bsic << 10)); + } + } + else + { + // Set "b_access_prach" to indicate 1 Prach only to DSP. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_u_gprs |= (1 << B_ACCESS_PRACH); + + // Select first UL data buffer. + l1ps_dsp_com.pdsp_ndb_ptr->a_ul_buffer_gprs[3] = 0; + + // Store CS type. + l1ps_dsp_com.pdsp_ndb_ptr->a_du_gprs[0][0] = cs_type; + + // Store UL data block. + if(cs_type == CS_PAB8_TYPE) + { + l1ps_dsp_com.pdsp_ndb_ptr->a_du_gprs[0][1] = ((API)(bsic << 2)) | + ((API)(channel_request_data) << 8); + l1ps_dsp_com.pdsp_ndb_ptr->a_du_gprs[0][2] = 0; + } + else + { + l1ps_dsp_com.pdsp_ndb_ptr->a_du_gprs[0][1] = ((API)(channel_request_data) << 5); + l1ps_dsp_com.pdsp_ndb_ptr->a_du_gprs[0][2] = ((API)(bsic << 10)); + } + + if (l1pa_l1ps_com.pra_info.prach_alloc == FIX_PRACH_ALLOC) + { + // Set fix alloc bit. + l1ps_dsp_com.pdsp_ndb_ptr->d_sched_mode_gprs |= (2 << B_MAC_MODE); + } + else + { + // Reset MAC mode to dynamic allocation + l1ps_dsp_com.pdsp_ndb_ptr->d_sched_mode_gprs &= ~(3 << B_MAC_MODE); + + #if !FF_L1_IT_DSP_USF + #if (DSP == 33) || (DSP == 34) || (DSP == 35) || (DSP == 36) || (DSP == 37) || (DSP == 38) || (DSP == 39) + // Enable USF vote on timeslot 0 + l1ps_dsp_com.pdsp_ndb_ptr->d_usf_vote_enable = 0x80; + #endif + #endif + } + } +} + +/*-------------------------------------------------------*/ +/* l1pddsp_idle_prach_power() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_idle_prach_power(UWORD8 txpwr, + UWORD16 radio_freq, + UWORD8 ts) +{ + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3) || (RF_FAM == 61)) + UWORD16 pwr_data; + #endif + + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3) ) + // Force FIXED transmit power if requested. + if(l1_config.tx_pwr_code == 0) + { + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_power_gprs[ts] = l1_config.params.fixed_txpwr; + + // Control bitmap: update RAMP, use RAMP[5][..]. + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[ts] = + ((1 << B_RAMP_GPRS) | (5 << B_RAMP_NB_GPRS) | (1 << B_BULRAMPDEL) | (1 << B_BULRAMPDEL2)); + + // Store Ramp. + #if (CODE_VERSION != SIMULATION) + Cust_get_ramp_tab(l1ps_dsp_com.pdsp_ndb_ptr->a_ramp_gprs[5], + 0, /* not used */ + 0, /* not used */ + 1 /* arbitrary value for arfcn */ ); + #endif + } + else + { + // Get H/W value corresponding to txpwr command. + pwr_data = Cust_get_pwr_data(txpwr, radio_freq + #if(REL99 && FF_PRF) + ,1 + #endif + ); + + // Store Transmit power. + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_power_gprs[ts] = ((pwr_data << 6) | 0x12); + + // Control bitmap: update RAMP, use RAMP[5][..]. + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[ts] = ((1 << B_RAMP_GPRS) | (5 << B_RAMP_NB_GPRS) | (1 << B_BULRAMPDEL) | (1 << B_BULRAMPDEL2)); + + // Store Ramp. + #if (CODE_VERSION != SIMULATION) + Cust_get_ramp_tab(&(l1ps_dsp_com.pdsp_ndb_ptr->a_ramp_gprs[5][0]), txpwr, txpwr, radio_freq); + #endif + } + #endif + + #if (RF_FAM == 61) + // Force FIXED transmit power if requested. + if(l1_config.tx_pwr_code == 0) + { + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_power_gprs[ts] = l1_config.params.fixed_txpwr; + + // Control bitmap: update RAMP, use RAMP[5][..]. + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[ts] = + ((1 << B_RAMP_GPRS) | (5 << B_RAMP_NB_GPRS) | (1 << B_BULRAMPDEL) | (1 << B_BULRAMPDEL2)); + + // Store Ramp. + #if (DSP ==38) || (DSP == 39) + Cust_get_ramp_tab(l1ps_dsp_com.pdsp_ndb_ptr->a_drp_ramp2_gprs[5], + 0, /* not used */ + 0, /* not used */ + 1 /* arbitrary value for arfcn */ ); + #endif + } + else + { + // Get H/W value corresponding to txpwr command. + pwr_data = Cust_get_pwr_data(txpwr, radio_freq + #if(REL99 && FF_PRF) + ,1 + #endif + ); + + // Store Transmit power. + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_power_gprs[ts] = (API) (pwr_data); + + // Control bitmap: update RAMP, use RAMP[5][..]. + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[ts] = ((1 << B_RAMP_GPRS) | (5 << B_RAMP_NB_GPRS) | (1 << B_BULRAMPDEL) | (1 << B_BULRAMPDEL2)); + + // Store Ramp. + #if(DSP == 38) || (DSP == 39) + Cust_get_ramp_tab(&(l1ps_dsp_com.pdsp_ndb_ptr->a_drp_ramp2_gprs[5][0]), txpwr, txpwr, radio_freq); + #endif + } + #endif //RF_FAM == 61 + +} + +/*-------------------------------------------------------*/ +/* l1pddsp_single_block() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_single_tx_block(UWORD8 burst_nb, + UWORD8 *data, + UWORD8 tsc, + UWORD16 radio_freq) +{ + UWORD16 swap_bit; // 16 bit wide to allow shift left. + + // Burst number within a block. + l1ps_dsp_com.pdsp_db_w_ptr->d_burst_nb_gprs = burst_nb; + + // UL on TS=3. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_u_gprs |= 0x80 >> 3; + + // Swap I/Q management. + swap_bit = l1ps_swap_iq_ul(radio_freq); + l1ps_dsp_com.pdsp_db_w_ptr->d_task_u_gprs |= swap_bit << 15; + + // Select first UL polling buffer. + l1ps_dsp_com.pdsp_ndb_ptr->a_ul_buffer_gprs[3] = 8; + + // Store CS type: CS1 for Polling. + l1ps_dsp_com.pdsp_ndb_ptr->a_pu_gprs[0][0] = CS1_TYPE_POLL; + + if(burst_nb == BURST_1) + // Store UL data block. + { + API *ul_block_ptr = &(l1ps_dsp_com.pdsp_ndb_ptr->a_pu_gprs[0][2]); + UWORD8 i,j; + + // Copy first 22 bytes in the first 11 words after header. + for (i=0, j=0; j<11; j++) + { + ul_block_ptr[j] = ((API)(data[i])) | ((API)(data[i+1]) << 8); + i += 2; + } + // Copy last UWORD8 (23rd) in the 12th word after header. + ul_block_ptr[11] = data[22]; + } + + // Training sequence. + // Rem: bcch_freq_ind is set within Hopping algo. + l1s_dsp_com.dsp_db_w_ptr->d_ctrl_system |= tsc << B_TSQ; +} + +/*-------------------------------------------------------*/ +/* l1pddsp_idle_rx_nb() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +#if FF_L1_IT_DSP_USF +void l1pddsp_idle_rx_nb(UWORD8 burst_nb, + UWORD8 tsc, + UWORD16 radio_freq, + UWORD8 timeslot_no, + BOOL ptcch_dl, + BOOL usf_interrupt) +#else +void l1pddsp_idle_rx_nb(UWORD8 burst_nb, + UWORD8 tsc, + UWORD16 radio_freq, + UWORD8 timeslot_no, + BOOL ptcch_dl) +#endif +{ + UWORD16 swap_bit; // 16 bit wide to allow shift left. + + // DL on TS=0. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_d_gprs |= 0x80 >> timeslot_no; + + // Swap I/Q management. + swap_bit = l1ps_swap_iq_dl(radio_freq); + l1ps_dsp_com.pdsp_db_w_ptr->d_task_d_gprs |= swap_bit << 15; + + if(ptcch_dl) + { + // PTCCH/DL case must be flagged to DSP. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_d_gprs |= (1 << B_PTCCH_DL); + } + + // Burst number within a block. + l1ps_dsp_com.pdsp_db_w_ptr->d_burst_nb_gprs = burst_nb; + + // Channel coding is forced to CS1. + l1ps_dsp_com.pdsp_ndb_ptr->a_ctrl_ched_gprs[timeslot_no] = CS1_TYPE_DATA; + + // pass information to DSP which good USF value is to be expected + l1ps_dsp_com.pdsp_ndb_ptr->a_usf_gprs[0] = (API) 0x07; + + #if FF_L1_IT_DSP_USF + // In case of connection establishment mode with dynamic or fixed + // allocation scheme we need to request the DSP USF interrupt for PRACH + // scheduling. Latched by DSP during Work3 + if (burst_nb == 3) + { + if (usf_interrupt) + l1ps_dsp_com.pdsp_ndb_ptr->d_usf_vote_enable |= (1 << B_USF_IT); + else + l1ps_dsp_com.pdsp_ndb_ptr->d_usf_vote_enable &= ~(1 << B_USF_IT); + } + #endif + + // RIF receiver algorithm: select 156.25. + l1ps_dsp_com.pdsp_ndb_ptr->d_sched_mode_gprs &= 0xFFFF ^ (1 << B_RIF_RX_MODE); + + // Training sequence. + // Rem: bcch_freq_ind is set within Hopping algo. + l1s_dsp_com.dsp_db_w_ptr->d_ctrl_system |= tsc << B_TSQ; + +} + + +/*-------------------------------------------------------*/ +/* l1pddsp_transfer_mslot_ctrl() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_transfer_mslot_ctrl(UWORD8 burst_nb, + UWORD8 dl_bitmap, + UWORD8 ul_bitmap, + UWORD8 *usf_table, + UWORD8 mac_mode, + UWORD8 *ul_buffer_index, + UWORD8 tsc, + UWORD16 radio_freq, + UWORD8 synchro_timeslot, + #if FF_L1_IT_DSP_USF + UWORD8 dsp_usf_interrupt + #else + UWORD8 usf_vote_enable + #endif + ) +{ + UWORD8 i; + UWORD16 swap_bit; // 16 bit wide to allow shift left. + + // Burst number within a block. + l1ps_dsp_com.pdsp_db_w_ptr->d_burst_nb_gprs = burst_nb; + + // DL bitmap. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_d_gprs = dl_bitmap; + + // UL bitmap. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_u_gprs = ul_bitmap; + + // Swap I/Q management for DL. + swap_bit = l1ps_swap_iq_dl(radio_freq); + l1ps_dsp_com.pdsp_db_w_ptr->d_task_d_gprs |= swap_bit << 15; + + // Swap I/Q management for UL. + swap_bit = l1ps_swap_iq_ul(radio_freq); + l1ps_dsp_com.pdsp_db_w_ptr->d_task_u_gprs |= swap_bit << 15; + + if(burst_nb == 0) + { + // Store USF table + for(i=0;i<(8 - synchro_timeslot);i++) + l1ps_dsp_com.pdsp_ndb_ptr->a_usf_gprs[i] = usf_table[i+synchro_timeslot]; + + // Automatic CS detection. + for(i=0;i<8;i++) + { + l1ps_dsp_com.pdsp_ndb_ptr->a_ctrl_ched_gprs[i] = CS_AUTO_DETECT; + + // Select first UL polling buffer. + l1ps_dsp_com.pdsp_ndb_ptr->a_ul_buffer_gprs[i] = ul_buffer_index[i]; + } + + #if !FF_L1_IT_DSP_USF + // USF vote enable programming + + #if (DSP == 33) || (DSP == 34) || (DSP == 35) || (DSP == 36) || (DSP == 37) || (DSP == 38) || (DSP == 39) + // Multislot TX allowed and usf_vote_enable suported: programs usf_vote_enable + l1ps_dsp_com.pdsp_ndb_ptr->d_usf_vote_enable = usf_vote_enable; + #else + // Single slot TX only and usf_vote_enable not supported + // Modify MAC mode + if (usf_vote_enable) + // USF vote enabled --> Set MAC mode to dynamic mode + mac_mode = DYN_ALLOC; + else + // USF vote disabled --> Set MAC mode to fixed mode + mac_mode = FIX_ALLOC_NO_HALF; + #endif + + #endif // !FF_L1_IT_DSP_USF + + // MAC mode. + l1ps_dsp_com.pdsp_ndb_ptr->d_sched_mode_gprs &= ~(3 << B_MAC_MODE); + l1ps_dsp_com.pdsp_ndb_ptr->d_sched_mode_gprs |= mac_mode << B_MAC_MODE; + } + + #if FF_L1_IT_DSP_USF + if(burst_nb == 3) + { + // Program DSP to generate an interrupt once USF available if + // required. Latched by DSP during Work3. + if (dsp_usf_interrupt) + l1ps_dsp_com.pdsp_ndb_ptr->d_usf_vote_enable = (1 << B_USF_IT); + else + l1ps_dsp_com.pdsp_ndb_ptr->d_usf_vote_enable = 0; + } + #endif + + // RIF receiver algorithm: select 156.25. + l1ps_dsp_com.pdsp_ndb_ptr->d_sched_mode_gprs &= 0xFFFF ^ (1 << B_RIF_RX_MODE); + + // d_fn + // ---- + // bit [0..7] -> b_fn_report, unused for GPRS + // bit [8..15] -> b_fn_sid , FN%104 + l1s_dsp_com.dsp_db_w_ptr->d_fn = ((l1s.next_time.fn_mod104)<<8); + + // Training sequence. + // Rem: bcch_freq_ind is set within Hopping algo. + l1s_dsp_com.dsp_db_w_ptr->d_ctrl_system |= tsc << B_TSQ; + +} + + +/*-------------------------------------------------------*/ +/* l1pddsp_transfer_mslot_power() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_transfer_mslot_power(UWORD8 *txpwr, + UWORD16 radio_freq, + UWORD8 ul_bitmap) +{ + #define NO_TX 100 + + UWORD16 i; // 16 bit needed for shifting pupose. + UWORD8 last_TX = NO_TX; + UWORD8 txpwr_ramp_up; + UWORD8 txpwr_ramp_down; + UWORD8 cpt_TX = 0; + UWORD8 ts_mask; + + #if (REL99 && FF_PRF) + UWORD8 number_uplink_timeslot = 0 ; // number of uplink timeslot for power reduction feature + #endif + + + #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3) || (RF_FAM == 61)) + UWORD16 pwr_data; + UWORD16 d_ramp_idx; + WORD16 ts_conv; + #endif + +//Locosto #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) + + // This function is called with an ul_bitmap which represents the abolute + // position of any Tx bursts in this frame. This bitmap has already + // absorbed any synchro change (in dl_tn), hence we need to do some + // processing to recover the actual Tx timeslot number which is used + // as an index into the txpwr array. + // + // Example : MS Class 8 with 4 Rx and 1 Tx : + // + // + // dl_ts_alloc : 0x0f 0 0 0 0 R R R R + // ul_ts_alloc : 0x02 0 0 0 0 0 0 T 0 + // shift + combine : 0 0 0 0 R R R R 0 T + // set dl_tn=4 : R R R R 0 T 0 0 + // ul_bitmap : 0x04 0 0 0 0 0 1 0 0 + // i : 5 + // + // Example : MS Class 8 with 1 Rx and 1 Tx on TS=7 + // + // dl_ts_alloc : 0x01 0 0 0 0 0 0 0 R + // ul_ts_alloc : 0x01 0 0 0 0 0 0 0 T + // shift + combine : 0 0 0 0 0 0 0 R 0 0 T + // set dl_tn=7 : R 0 0 T 0 0 0 0 + // ul_bitmap : 0x10 0 0 0 1 0 0 0 0 + // i : 3 + // + // We recover the actual timeslot from the ul_bitmap by the following + // method : + // + // ts = (i + dl_tn) - 3 + // + // Where i is the loopindex usd to detect "1" in the ul_bitmap. + // This works for MS class 8 because (3 <= i <= 5) if the + // multislot class is respected. + + #if (REL99 && FF_PRF)// power reduction feature + for (i=0; i<8; i++) + { + // computed number of uplink timeslot in order to determine uplink power reduction + ts_mask = (0x80>>i); + if (ul_bitmap & ts_mask) + number_uplink_timeslot++; + } + #endif + + + ts_conv = l1a_l1s_com.dl_tn - 3; + + // Index of the programmed ramps + d_ramp_idx = 0; + + for(i=0;i<8;i++) + { + // Program Transmit power and ramp for allocated timeslots. + if(ul_bitmap & (0x80>>i)) + { + // Fixe transmit power. + if(l1_config.tx_pwr_code == 0) + { + // Store Transmit power. + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_power_gprs[i] = l1_config.params.fixed_txpwr; + + // Control bitmap: update RAMP, use RAMP[d_ramp_idx][..]. + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[i] = + ((d_ramp_idx << B_RAMP_NB_GPRS) | (1 << B_RAMP_GPRS) | (1 << B_BULRAMPDEL) | (1 << B_BULRAMPDEL2)); + + // Store Ramp. +#if (RF_FAM == 61) + #if (DSP ==38) || (DSP == 39) + Cust_get_ramp_tab(l1ps_dsp_com.pdsp_ndb_ptr->a_drp_ramp2_gprs[d_ramp_idx++], + 0, /* not used */ + 0, /* not used */ + 1 /* arbitrary value for arfcn */ ); + #endif +#else + #if (CODE_VERSION != SIMULATION) + Cust_get_ramp_tab(l1ps_dsp_com.pdsp_ndb_ptr->a_ramp_gprs[d_ramp_idx++], + 0, /* not used */ + 0, /* not used */ + 1 /* arbitrary value for arfcn */ ); +#endif + #endif + } + else + { + // count the number of TX windows + cpt_TX ++; + + // Get power amplifier data. + #if(REL99 && FF_PRF) + pwr_data = Cust_get_pwr_data(txpwr[i+ts_conv], radio_freq, number_uplink_timeslot); + #else + pwr_data = Cust_get_pwr_data(txpwr[i+ts_conv], radio_freq); + #endif + + + // Store Transmit power. + #if(RF_FAM == 61) + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_power_gprs[i] = (pwr_data); + #else + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_power_gprs[i] = ((pwr_data << 6) | 0x12); + #endif + + // Control bitmap: update RAMP, use RAMP[d_ramp_idx][..] for slot i. + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[i] = ((d_ramp_idx << B_RAMP_NB_GPRS) | (1 << B_RAMP_GPRS) | (1 << B_BULRAMPDEL) | (1 << B_BULRAMPDEL2)); + + // Store Ramp. + // ========== + // for the 1st TX the RAMP is: RAMP_UP_TX1 / RAMP_DOWN_TX1 + // for the 2nd TX the RAMP is: RAMP_UP_TX2 / RAMP_DOWN_TX1 + // for the 3rd TX the RAMP is: RAMP_UP_TX3 / RAMP_DOWN_TX2 + // (...) + // for the (i)th TX the RAMP is: RAMP_UP_TX_(i) / RAMP_DOWN_TX_(i-1) + // for the additionnal RAMP : xxxx / RAMP_DOWN_TX_last + + txpwr_ramp_up = txpwr[i+ts_conv]; // the ramp up is the current TX + + if(last_TX == NO_TX) // specific case of the first TX + txpwr_ramp_down = txpwr[i+ts_conv]; // the ramp down is the current TX + else + txpwr_ramp_down = txpwr[last_TX+ts_conv]; // the ramp down is the previous TX + + #if(RF_FAM == 61) + #if(DSP == 38) || (DSP == 39) + Cust_get_ramp_tab(&(l1ps_dsp_com.pdsp_ndb_ptr->a_drp_ramp2_gprs[d_ramp_idx++][0]), txpwr_ramp_up, txpwr_ramp_down, radio_freq); + #endif + #else + #if (CODE_VERSION != SIMULATION) + Cust_get_ramp_tab(&(l1ps_dsp_com.pdsp_ndb_ptr->a_ramp_gprs[d_ramp_idx++][0]), txpwr_ramp_up, txpwr_ramp_down, radio_freq); + #endif + #endif + } + + // memorize the last TX window + last_TX = i; + } + else + { + // program an interrupt in the TS following + // the last TX window and needed by the DSP + + // Is it the TS following a TX window ? +#if 0 /* original LoCosto code */ + if((i == last_TX+1) && (i<8)) +#else /* FreeCalypso TCS211 reconstruction */ + if (i == last_TX+1) +#endif + { + // program the interrupt + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[i] = (1 << B_MS_RULE); + } + } + } + + // in a multi-TX case an additionnal ramp down must be set + if(cpt_TX > 1) + { + // Control bitmap: update RAMP, use RAMP[d_ramp_idx][..] for slot i and set the interrupt +#if 0 /* FreeCalypso TCS211 reconstruction */ + if((last_TX+1) <= 7) +#endif + l1ps_dsp_com.pdsp_db_w_ptr->a_ctrl_abb_gprs[last_TX+1] = ((d_ramp_idx << B_RAMP_NB_GPRS) | (1 << B_RAMP_GPRS) | (1 << B_MS_RULE)); + + // Store Ramp. + // ========== + txpwr_ramp_up = txpwr[last_TX+ts_conv]; // this ramp up is unused (default: set to last_TX) + txpwr_ramp_down = txpwr[last_TX+ts_conv]; // the ramp down is the last TX + + #if(RF_FAM == 61) + #if(DSP ==38) || (DSP == 39) + Cust_get_ramp_tab(&(l1ps_dsp_com.pdsp_ndb_ptr->a_drp_ramp2_gprs[d_ramp_idx][0]), txpwr_ramp_up, txpwr_ramp_down, radio_freq); + #endif + #else + #if (CODE_VERSION != SIMULATION) + Cust_get_ramp_tab(&(l1ps_dsp_com.pdsp_ndb_ptr->a_ramp_gprs[d_ramp_idx][0]), txpwr_ramp_up, txpwr_ramp_down, radio_freq); + #endif + #endif + } + // #endif Locosto +} + + +/*-------------------------------------------------------*/ +/* l1pddsp_ul_ptcch_data() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_ul_ptcch_data(UWORD8 cs_type, + UWORD16 channel_request_data, + UWORD8 bsic, + UWORD16 radio_freq, + UWORD8 timeslot_no) +{ + UWORD16 swap_bit; // 16 bit wide to allow shift left. + + // UL on TS=timeslot_no. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_u_gprs |= 0x80 >> timeslot_no; + + // Swap I/Q management. + swap_bit = l1ps_swap_iq_ul(radio_freq); + l1ps_dsp_com.pdsp_db_w_ptr->d_task_u_gprs |= swap_bit << 15; + + // Set "b_ptcch_ul" to indicate PTCCH/UL to DSP. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_u_gprs |= (1 << B_PTCCH_UL); + + // Store CS type. + l1ps_dsp_com.pdsp_ndb_ptr->a_ptcchu_gprs[0] = cs_type; + + // Store UL data block. + if(cs_type == CS_PAB8_TYPE) + { + l1ps_dsp_com.pdsp_ndb_ptr->a_ptcchu_gprs[1] = ((API)(bsic << 2)) | + ((API)(channel_request_data) << 8); + l1ps_dsp_com.pdsp_ndb_ptr->a_ptcchu_gprs[2] = 0; + } + else + { + l1ps_dsp_com.pdsp_ndb_ptr->a_ptcchu_gprs[1] = ((API)(channel_request_data) << 5); + l1ps_dsp_com.pdsp_ndb_ptr->a_ptcchu_gprs[2] = ((API)(bsic << 10)); + } +} + + +/*-------------------------------------------------------*/ +/* l1pddsp_interf_meas_ctrl() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +void l1pddsp_interf_meas_ctrl(UWORD8 nb_meas_req) +{ + // Interference measurement task set as a monitoring task within GSM interface. + // 101 means 1 meas, 102 means 2 meas ... + // Rem: swap I/Q is not managed for power measurements. + l1s_dsp_com.dsp_db_w_ptr->d_task_md = INTERF_DSP_TASK + nb_meas_req; +} + + +/*-------------------------------------------------------*/ +/* l1pddsp_transfer_meas_ctrl() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_transfer_meas_ctrl(UWORD8 meas_position) +{ + // Store measurement position. + // Rem: This is a L1S filtered information giving the position of the meas. as a + // bitmap. + // Rem: swap I/Q is not managed for power measurements. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_pm_gprs = meas_position; +} + +/*-------------------------------------------------------*/ +/* l1pddsp_meas_ctrl() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_meas_ctrl(UWORD8 nbmeas, UWORD8 pm_pos) +{ + // Request Signal level measurement task to DSP. A bit map is passed + // to DSP in order to specify the position of the measurement. + // Note: MSB is TN = 0 and LSB is TN = 7. + // Rem: swap I/Q is not managed for power measurements. + // Note: currently a maximum of four Pm can be performed / TDMA. This would + // be modified in a near futur. + // Note: If a Rx is programmed i.e. pm_pos = 1, only a maximum + // of 3 Pm is requested to DSP and position of the Pm are right shifted (Rx on TN = 0). + // Remark: In packet Idle mode Rx are still on TN = 0. This implies three Pm + // always after the Rx. + l1ps_dsp_com.pdsp_db_w_ptr->d_task_pm_gprs = ((UWORD8) (0xff << (8 - nbmeas))) >> pm_pos; +} + +/*-------------------------------------------------------*/ +/* l1pddsp_meas_read() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_meas_read(UWORD8 nbmeas, UWORD8 *a_pm) +{ + UWORD8 i = 0; + UWORD8 j; + UWORD8 bit_mask = 0x80; + + // Looks for first PM position + while ((i < 8) && (l1ps_dsp_com.pdsp_db_r_ptr->d_task_pm_gprs & bit_mask) == 0) + { + i++; + bit_mask >>= 1; + } + + // Read 'nbmeas' contiguous PM levels from the first PM position + // Note: PM are always programmed on contiguous timeslots +#if 0 /* original LoCosto code */ + for (j = 0; ((j < nbmeas)&&(i < 8)); j++) +#else /* FreeCalypso TCS211 reconstruction */ + for (j = 0; j < nbmeas; j++) +#endif + { + // Download PM from DSP/MCU memory interface + a_pm[j] = (l1ps_dsp_com.pdsp_db_r_ptr->a_burst_pm_gprs[i] & 0xffff) >> 5; + + // Read next PM on following TN + i++; + } +} + +/*-------------------------------------------------------*/ +/* l1pddsp_load_bcchn_task() */ +/*-------------------------------------------------------*/ +/* Parameters : */ +/* Return : */ +/* Functionality : */ +/*-------------------------------------------------------*/ +void l1pddsp_load_bcchn_task(UWORD8 tsq,UWORD16 radio_freq ) +{ + UWORD16 swap_bit = l1ps_swap_iq_dl(radio_freq); + + l1s_dsp_com.dsp_db_w_ptr->d_task_md = NBN_DSP_TASK | (swap_bit << 15); // Load BCCHN task + l1s_dsp_com.dsp_db_w_ptr->d_ctrl_system |= tsq << B_TSQ; +} +#endif