changes to dlsim

openair1/SIMULATION/NR_PHY/dlsim.c

@@ -211,7 +211,7 @@ int main(int argc, char **argv)
 
   FILE *scg_fd=NULL;
   
-  while ((c = getopt (argc, argv, "f:hA:pf:g:i:j:n:s:S:t:x:y:z:M:N:F:GR:dPIL:Ea:b:e:m:")) != -1) {
+  while ((c = getopt (argc, argv, "f:hA:pf:g:i:j:n:s:S:t:x:y:z:M:N:F:GR:dPIL:Ea:b:e:m:w")) != -1) {
     switch (c) {
     case 'f':
       scg_fd = fopen(optarg,"r");
@@ -394,6 +394,10 @@ int main(int argc, char **argv)
       eff_tp_check = (float)atoi(optarg)/100;
       break;
 
+    case 'w':
+      output_fd = fopen("txdata.dat", "w+");
+      break;
+
     default:
     case 'h':
       printf("%s -h(elp) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId\n",
@@ -425,6 +429,7 @@ int main(int argc, char **argv)
       printf("-e MSC index\n");
       printf("-t Acceptable effective throughput (in percentage)\n");
       printf("-P Print DLSCH performances\n");
+      printf("-w Write txdata to binary file (one frame)\n");
       exit (-1);
       break;
     }
@@ -735,7 +740,7 @@ int main(int argc, char **argv)
       NR_DL_UE_HARQ_t *UE_harq_process = dlsch0->harq_processes[harq_pid];
 
       NR_gNB_DLSCH_t *gNB_dlsch = gNB->dlsch[0][0];
-      nfapi_nr_dl_tti_pdsch_pdu_rel15_t *rel15 = &gNB_dlsch->harq_processes[0]->pdsch_pdu.pdsch_pdu_rel15;
+      nfapi_nr_dl_tti_pdsch_pdu_rel15_t *rel15 = &gNB_dlsch->harq_processes[slot]->pdsch_pdu.pdsch_pdu_rel15;
       
       UE_harq_process->harq_ack.ack = 0;
       round = 0;
@@ -802,8 +807,10 @@ int main(int argc, char **argv)
           if (gNB->frame_parms.nb_antennas_tx>1)
             LOG_M("txsig1.m","txs1", txdata[1],frame_length_complex_samples,1,1);
         }
-        if (output_fd) 
+        if (output_fd) {
+          printf("writing txdata to binary file\n");
           fwrite(txdata[0],sizeof(int32_t),frame_length_complex_samples,output_fd);
+        }
         
         int txlev = signal_energy(&txdata[0][frame_parms->get_samples_slot_timestamp(slot,frame_parms,0)+5*frame_parms->ofdm_symbol_size + 4*frame_parms->nb_prefix_samples + frame_parms->nb_prefix_samples0], frame_parms->ofdm_symbol_size + frame_parms->nb_prefix_samples);