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bug fix for buffer setting in dlsch and wakeup_rxtx

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This commit is contained in:
Wang Tsu-Han
2019-11-21 15:35:28 +01:00
parent 6be2d8f081
commit e0c80a83b8
4 changed files with 33 additions and 18 deletions
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executables/nr-gnb.c
+11 -1
View File
@@ -527,6 +527,8 @@ int wakeup_rxtx(PHY_VARS_gNB *gNB,RU_t *ru) {
RU_proc_t *ru_proc=&ru->proc; RU_proc_t *ru_proc=&ru->proc;
int ret; int ret;
int i; int i;
struct timespec abstime;
int time_ns = 10000;
AssertFatal((ret=pthread_mutex_lock(&proc->mutex_RU))==0,"mutex_lock returns %d\n",ret); AssertFatal((ret=pthread_mutex_lock(&proc->mutex_RU))==0,"mutex_lock returns %d\n",ret);
for (i=0;i<gNB->num_RU;i++) { for (i=0;i<gNB->num_RU;i++) {
@@ -547,14 +549,22 @@ int wakeup_rxtx(PHY_VARS_gNB *gNB,RU_t *ru) {
AssertFatal((ret=pthread_mutex_unlock(&proc->mutex_RU))==0,"muex_unlock returns %d\n",ret); AssertFatal((ret=pthread_mutex_unlock(&proc->mutex_RU))==0,"muex_unlock returns %d\n",ret);
} }
clock_gettime(CLOCK_REALTIME, &abstime);
abstime.tv_nsec = abstime.tv_nsec + time_ns;
if (abstime.tv_nsec >= 1000*1000*1000) {
abstime.tv_nsec -= 1000*1000*1000;
abstime.tv_sec += 1;
}
// wake up TX for subframe n+sl_ahead // wake up TX for subframe n+sl_ahead
// lock the TX mutex and make sure the thread is ready // lock the TX mutex and make sure the thread is ready
AssertFatal((ret=pthread_mutex_lock(&L1_proc->mutex)) == 0,"mutex_lock returns %d\n", ret); AssertFatal((ret=pthread_mutex_timedlock(&L1_proc->mutex, &abstime)) == 0,"mutex_lock returns %d\n", ret);
if (L1_proc->instance_cnt == 0) { // L1_thread is busy so abort the subframe if (L1_proc->instance_cnt == 0) { // L1_thread is busy so abort the subframe
AssertFatal((ret=pthread_mutex_unlock( &L1_proc->mutex))==0,"muex_unlock return %d\n",ret); AssertFatal((ret=pthread_mutex_unlock( &L1_proc->mutex))==0,"muex_unlock return %d\n",ret);
LOG_W(PHY,"L1_thread isn't ready in %d.%d, aborting RX processing\n",ru_proc->frame_rx,ru_proc->tti_rx); LOG_W(PHY,"L1_thread isn't ready in %d.%d, aborting RX processing\n",ru_proc->frame_rx,ru_proc->tti_rx);
return(-1);
} }
++L1_proc->instance_cnt; ++L1_proc->instance_cnt;
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
+9 -8
View File
@@ -220,17 +220,18 @@ ap, Wt[0], Wt[1], Wf[0], Wf[1], delta, l_prime[0], l0, dmrs_symbol);
#endif #endif
uint8_t k_prime=0; uint8_t k_prime=0;
uint16_t m=0, n=0, dmrs_idx=0, k=0; uint16_t m=0, n=0, dmrs_idx=0, k=0;
int txdataF_offset = (slot%2)*frame_parms->samples_per_slot_wCP;
for (int l=rel15->start_symbol; l<rel15->start_symbol+rel15->nb_symbols; l++) { for (int l=rel15->start_symbol; l<rel15->start_symbol+rel15->nb_symbols; l++) {
k = start_sc; k = start_sc;
for (int i=0; i<rel15->n_prb*NR_NB_SC_PER_RB; i++) { for (int i=0; i<rel15->n_prb*NR_NB_SC_PER_RB; i++) {
if ((l == dmrs_symbol) && (k == ((start_sc+get_dmrs_freq_idx(n, k_prime, delta, dmrs_type))%(frame_parms->ofdm_symbol_size)))) { if ((l == dmrs_symbol) && (k == ((start_sc+get_dmrs_freq_idx(n, k_prime, delta, dmrs_type))%(frame_parms->ofdm_symbol_size)))) {
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + ((slot%2)*frame_parms->samples_per_slot_wCP)] = (Wt[l_prime[0]]*Wf[k_prime]*amp*mod_dmrs[dmrs_idx<<1]) >> 15; ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)] = (Wt[l_prime[0]]*Wf[k_prime]*amp*mod_dmrs[dmrs_idx<<1]) >> 15;
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + ((slot%2)*frame_parms->samples_per_slot_wCP)] = (Wt[l_prime[0]]*Wf[k_prime]*amp*mod_dmrs[(dmrs_idx<<1) + 1]) >> 15; ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)] = (Wt[l_prime[0]]*Wf[k_prime]*amp*mod_dmrs[(dmrs_idx<<1) + 1]) >> 15;
#ifdef DEBUG_DLSCH_MAPPING #ifdef DEBUG_DLSCH_MAPPING
printf("dmrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t txdataF: %d %d\n", printf("dmrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t txdataF: %d %d\n",
dmrs_idx, l, k, k_prime, n, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + ((slot%2)*frame_parms->samples_per_slot_wCP)], dmrs_idx, l, k, k_prime, n, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)],
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + ((slot%2)*frame_parms->samples_per_slot_wCP)]); ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)]);
#endif #endif
dmrs_idx++; dmrs_idx++;
k_prime++; k_prime++;
@@ -240,12 +241,12 @@ dmrs_idx, l, k, k_prime, n, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol
else { else {
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + ((slot%2)*frame_parms->samples_per_slot_wCP)] = (amp * tx_layers[ap][m<<1]) >> 15; ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)] = (amp * tx_layers[ap][m<<1]) >> 15;
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + ((slot%2)*frame_parms->samples_per_slot_wCP)] = (amp * tx_layers[ap][(m<<1) + 1]) >> 15; ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)] = (amp * tx_layers[ap][(m<<1) + 1]) >> 15;
#ifdef DEBUG_DLSCH_MAPPING #ifdef DEBUG_DLSCH_MAPPING
printf("m %d\t l %d \t k %d \t txdataF: %d %d\n", printf("m %d\t l %d \t k %d \t txdataF: %d %d\n",
m, l, k, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + ((slot%2)*frame_parms->samples_per_slot_wCP)], m, l, k, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)],
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + ((slot%2)*frame_parms->samples_per_slot_wCP)]); ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)]);
#endif #endif
m++; m++;
} }
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+9 -7
View File
@@ -96,6 +96,7 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int slot) {
uint8_t *pbch_pdu=&gNB->pbch_pdu[0]; uint8_t *pbch_pdu=&gNB->pbch_pdu[0];
uint8_t ssb_index, n_hf; uint8_t ssb_index, n_hf;
int ssb_start_symbol, rel_slot; int ssb_start_symbol, rel_slot;
int txdataF_offset = (slot%2)*fp->samples_per_slot_wCP;
n_hf = cfg->sch_config.half_frame_index.value; n_hf = cfg->sch_config.half_frame_index.value;
@@ -125,18 +126,18 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int slot) {
// it is supposed that each logical antenna port correspont to a different beam so each SSB is stored into its own index of txdataF // it is supposed that each logical antenna port correspont to a different beam so each SSB is stored into its own index of txdataF
LOG_D(PHY,"SS TX: frame %d, slot %d, start_symbol %d\n",frame,slot, ssb_start_symbol); LOG_D(PHY,"SS TX: frame %d, slot %d, start_symbol %d\n",frame,slot, ssb_start_symbol);
nr_generate_pss(gNB->d_pss, &txdataF[ssb_index][((slot%2)*fp->samples_per_slot_wCP)], AMP, ssb_start_symbol, cfg, fp); nr_generate_pss(gNB->d_pss, &txdataF[ssb_index][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
nr_generate_sss(gNB->d_sss, &txdataF[ssb_index][((slot%2)*fp->samples_per_slot_wCP)], AMP, ssb_start_symbol, cfg, fp); nr_generate_sss(gNB->d_sss, &txdataF[ssb_index][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
if (fp->Lmax == 4) if (fp->Lmax == 4)
nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[n_hf][ssb_index],&txdataF[ssb_index][((slot%2)*fp->samples_per_slot_wCP)], AMP, ssb_start_symbol, cfg, fp); nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[n_hf][ssb_index],&txdataF[ssb_index][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
else else
nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[0][ssb_index],&txdataF[ssb_index][((slot%2)*fp->samples_per_slot_wCP)], AMP, ssb_start_symbol, cfg, fp); nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[0][ssb_index],&txdataF[ssb_index][txdataF_offset], AMP, ssb_start_symbol, cfg, fp);
nr_generate_pbch(&gNB->pbch, nr_generate_pbch(&gNB->pbch,
pbch_pdu, pbch_pdu,
gNB->nr_pbch_interleaver, gNB->nr_pbch_interleaver,
&txdataF[ssb_index][((slot%2)*fp->samples_per_slot_wCP)], &txdataF[ssb_index][txdataF_offset],
AMP, AMP,
ssb_start_symbol, ssb_start_symbol,
n_hf,fp->Lmax,ssb_index, n_hf,fp->Lmax,ssb_index,
@@ -155,6 +156,7 @@ void phy_procedures_gNB_TX(PHY_VARS_gNB *gNB,
nfapi_nr_config_request_t *cfg = &gNB->gNB_config; nfapi_nr_config_request_t *cfg = &gNB->gNB_config;
int offset = gNB->CC_id; int offset = gNB->CC_id;
uint8_t ssb_frame_periodicity; // every how many frames SSB are generated uint8_t ssb_frame_periodicity; // every how many frames SSB are generated
int txdataF_offset = (slot%2)*fp->samples_per_slot_wCP;
if (cfg->sch_config.ssb_periodicity.value < 20) if (cfg->sch_config.ssb_periodicity.value < 20)
ssb_frame_periodicity = 1; ssb_frame_periodicity = 1;
@@ -169,7 +171,7 @@ void phy_procedures_gNB_TX(PHY_VARS_gNB *gNB,
// clear the transmit data array for the current subframe // clear the transmit data array for the current subframe
for (aa=0; aa<fp->Lmax; aa++) { for (aa=0; aa<fp->Lmax; aa++) {
memset(&gNB->common_vars.txdataF[aa][((slot%2)*fp->samples_per_slot_wCP)],0,fp->samples_per_slot_wCP*sizeof(int32_t)); memset(&gNB->common_vars.txdataF[aa][txdataF_offset],0,fp->samples_per_slot_wCP*sizeof(int32_t));
} }
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_COMMON_TX,1); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_COMMON_TX,1);
@@ -190,7 +192,7 @@ void phy_procedures_gNB_TX(PHY_VARS_gNB *gNB,
if (nfapi_mode == 0 || nfapi_mode == 1) { if (nfapi_mode == 0 || nfapi_mode == 1) {
nr_generate_dci_top(gNB->pdcch_vars, nr_generate_dci_top(gNB->pdcch_vars,
gNB->nr_gold_pdcch_dmrs[slot], gNB->nr_gold_pdcch_dmrs[slot],
&gNB->common_vars.txdataF[0][((slot%2)*fp->samples_per_slot_wCP)], // hardcoded to beam 0 &gNB->common_vars.txdataF[0][txdataF_offset], // hardcoded to beam 0
AMP, *fp, *cfg); AMP, *fp, *cfg);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_PDCCH_TX,0); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_PDCCH_TX,0);
if (num_pdsch_rnti) { if (num_pdsch_rnti) {
openair1/SIMULATION/NR_PHY/dlsim.c
+4 -2
View File
@@ -565,24 +565,26 @@ int main(int argc, char **argv)
phy_procedures_gNB_TX(gNB,frame,slot,0); phy_procedures_gNB_TX(gNB,frame,slot,0);
//nr_common_signal_procedures (gNB,frame,subframe); //nr_common_signal_procedures (gNB,frame,subframe);
int txdataF_offset = (slot%2) * frame_parms->samples_per_slot_wCP;
LOG_M("txsigF0.m","txsF0", gNB->common_vars.txdataF[0],frame_length_complex_samples_no_prefix,1,1); LOG_M("txsigF0.m","txsF0", gNB->common_vars.txdataF[0],frame_length_complex_samples_no_prefix,1,1);
if (gNB->frame_parms.nb_antennas_tx>1) if (gNB->frame_parms.nb_antennas_tx>1)
LOG_M("txsigF1.m","txsF1", gNB->common_vars.txdataF[1],frame_length_complex_samples_no_prefix,1,1); LOG_M("txsigF1.m","txsF1", gNB->common_vars.txdataF[1],frame_length_complex_samples_no_prefix,1,1);
int tx_offset = slot*frame_parms->samples_per_slot; int tx_offset = slot*frame_parms->samples_per_slot;
printf("samples_per_slot_wCP = %d\n", frame_parms->samples_per_slot_wCP);
//TODO: loop over slots //TODO: loop over slots
for (aa=0; aa<gNB->frame_parms.nb_antennas_tx; aa++) { for (aa=0; aa<gNB->frame_parms.nb_antennas_tx; aa++) {
if (gNB_config->subframe_config.dl_cyclic_prefix_type.value == 1) { if (gNB_config->subframe_config.dl_cyclic_prefix_type.value == 1) {
PHY_ofdm_mod(gNB->common_vars.txdataF[aa], PHY_ofdm_mod(&gNB->common_vars.txdataF[aa][txdataF_offset],
&txdata[aa][tx_offset], &txdata[aa][tx_offset],
frame_parms->ofdm_symbol_size, frame_parms->ofdm_symbol_size,
12, 12,
frame_parms->nb_prefix_samples, frame_parms->nb_prefix_samples,
CYCLIC_PREFIX); CYCLIC_PREFIX);
} else { } else {
nr_normal_prefix_mod(gNB->common_vars.txdataF[aa], nr_normal_prefix_mod(&gNB->common_vars.txdataF[aa][txdataF_offset],
&txdata[aa][tx_offset], &txdata[aa][tx_offset],
14, 14,
frame_parms); frame_parms);