added toggling NDI from matlab

executables/nr-gnb.c

@@ -960,17 +960,28 @@ void init_eNB_afterRU(void) {
     LOG_I(PHY,"RC.nb_nr_CC[inst:%d]:%p\n", inst, RC.gNB[inst]);
     gNB                                  =  RC.gNB[inst];
     phy_init_nr_gNB(gNB,0,0);
-    FILE *matlab_gen_file = fopen("/home/sakthi/pdsch_mcs28_dci46_matlab.dat","r");
+    FILE *matlab_gen_file = fopen("/home/eurecom/sakthi/pdsch_mcs28_dci_manual_matlab.dat","r");
     if (matlab_gen_file==NULL) {
       printf("problem opening file\n");
       exit(-1);
     }
     fread((void*)gNB->common_vars.debugBuff,sizeof(short),30720*2*2,matlab_gen_file);
     for(int idx_samp=0; idx_samp<30720*2; idx_samp++) {
-      *((int16_t*)(gNB->common_vars.debugBuff+idx_samp))>>=2;
-      *(((int16_t*)(gNB->common_vars.debugBuff+idx_samp))+1)>>=2;
+      *((int16_t*)(gNB->common_vars.debugBuff+idx_samp))>>=1;
+      *(((int16_t*)(gNB->common_vars.debugBuff+idx_samp))+1)>>=1;
     }
+    fclose(matlab_gen_file);
 
+    matlab_gen_file = fopen("/home/eurecom/sakthi/pdsch_mcs28_dci_ndi0_manual_matlab.dat","r");
+    if (matlab_gen_file==NULL) {
+      printf("problem opening file\n");
+      exit(-1);
+    }
+    fread((void*)gNB->common_vars.debugBuff+200000,sizeof(short),30720*2*2,matlab_gen_file);
+    for(int idx_samp=0; idx_samp<30720*2; idx_samp++) {
+      *((int16_t*)(gNB->common_vars.debugBuff+200000+idx_samp))>>=1;
+      *(((int16_t*)(gNB->common_vars.debugBuff+200000+idx_samp))+1)>>=1;
+    }
 
     // map antennas and PRACH signals to gNB RX
     if (0) AssertFatal(gNB->num_RU>0,"Number of RU attached to gNB %d is zero\n",gNB->Mod_id);

openair1/SCHED_NR/nr_ru_procedures.c

@@ -168,9 +168,14 @@ void nr_feptx0(RU_t *ru,int tti_tx,int first_symbol, int num_symbols, int aa) {
     }
   }
 
+  static int ndi=0;
   if(tti_tx==1) {
     //memset((void*)(&ru->common.txdata[aa][fp->get_samples_slot_timestamp(tti_tx,fp,0)]),0,sizeof(int16_t)*2*fp->get_samples_per_slot(tti_tx,fp));
-    memcpy((void*)(&ru->common.txdata[aa][fp->get_samples_slot_timestamp(tti_tx,fp,0)]),(void*)&ru->gNB_list[0]->common_vars.debugBuff[30720],sizeof(int16_t)*2*fp->get_samples_per_slot(tti_tx,fp));
+    if(ndi==1)
+      memcpy((void*)(&ru->common.txdata[aa][fp->get_samples_slot_timestamp(tti_tx,fp,0)]),(void*)&ru->gNB_list[0]->common_vars.debugBuff[30720],sizeof(int16_t)*2*fp->get_samples_per_slot(tti_tx,fp));
+    else
+      memcpy((void*)(&ru->common.txdata[aa][fp->get_samples_slot_timestamp(tti_tx,fp,0)]),(void*)&ru->gNB_list[0]->common_vars.debugBuff[200000+30720],sizeof(int16_t)*2*fp->get_samples_per_slot(tti_tx,fp));
+    ndi^=1;
   }
         
   //VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM+(first_symbol!=0?1:0), 0);