memcpy of ssb_pdu to L1 instead of pointer exchange

openair1/PHY/NR_TRANSPORT/nr_pbch.c

@@ -247,13 +247,13 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
   for (int i=0; i<NR_PBCH_PDU_BITS; i++)
     pbch->pbch_a |= ((pbch_pdu[2-(i>>3)]>>(7-(i&7)))&1)<<i;
 
-#ifdef DEBUG_PBCH_ENCODING
+  //#ifdef DEBUG_PBCH_ENCODING
 
   for (int i=0; i<3; i++)
     printf("pbch_pdu[%d]: 0x%02x\n", i, pbch_pdu[i]);
 
   printf("PBCH payload = 0x%08x\n",pbch->pbch_a);
-#endif
+  //#endif
 
   // Extra byte generation
   for (int i=0; i<4; i++)

openair1/PHY/defs_gNB.h

@@ -625,7 +625,7 @@ typedef struct PHY_VARS_gNB_s {
   
   nfapi_nr_dl_tti_pdcch_pdu    *pdcch_pdu;
   nfapi_nr_ul_dci_request_pdus_t  *ul_dci_pdu;
-  nfapi_nr_dl_tti_ssb_pdu      *ssb_pdu;
+  nfapi_nr_dl_tti_ssb_pdu      ssb_pdu;
 
   int num_pdsch_rnti;
   NR_gNB_PBCH         pbch;

openair1/SCHED_NR/fapi_nr_l1.c

@@ -45,7 +45,7 @@ void handle_nr_nfapi_ssb_pdu(PHY_VARS_gNB *gNB,int frame,int slot,
               dl_tti_pdu->ssb_pdu.ssb_pdu_rel15.bchPayloadFlag);
 
   LOG_I(PHY,"%d.%d : pbch_pdu: %x\n",frame,slot,dl_tti_pdu->ssb_pdu.ssb_pdu_rel15.bchPayload);
-  gNB->ssb_pdu = &dl_tti_pdu->ssb_pdu;
+  memcpy((void*)&gNB->ssb_pdu,&dl_tti_pdu->ssb_pdu,sizeof(dl_tti_pdu->ssb_pdu));
 }
 
 /*void handle_nr_nfapi_pdsch_pdu(PHY_VARS_gNB *gNB,int frame,int subframe,gNB_L1_rxtx_proc_t *proc,
@@ -151,7 +151,7 @@ void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO){
 
   if (UL_tti_req != NULL) number_ul_pdu = UL_tti_req->n_pdus;
 
-  LOG_D(PHY,"NFAPI: Sched_INFO:SFN/SLOT:%04d%d DL_req:SFN/SLO:%04d%d:dl_pdu:%d tx_req:SFN/SLOT:%04d%d:pdus:%d \n",
+  LOG_I(PHY,"NFAPI: Sched_INFO:SFN/SLOT:%04d%d DL_req:SFN/SLO:%04d%d:dl_pdu:%d tx_req:SFN/SLOT:%04d%d:pdus:%d;\n",
         frame,slot,
         DL_req->SFN,DL_req->Slot,number_dl_pdu,
         TX_req->SFN,TX_req->Slot,TX_req->Number_of_PDUs);

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -119,7 +119,7 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int slot) {
       ssb_index = i + 2*rel_slot; // computing the ssb_index
       if ((fp->L_ssb >> ssb_index) & 0x01)  { // generating the ssb only if the bit of L_ssb at current ssb index is 1
 	
-        gNB->ssb_pdu->ssb_pdu_rel15.SsbBlockIndex = ssb_index;
+        gNB->ssb_pdu.ssb_pdu_rel15.SsbBlockIndex = ssb_index;
  
 	int ssb_start_symbol_abs = nr_get_ssb_start_symbol(fp, ssb_index); // computing the starting symbol for current ssb
 	ssb_start_symbol = ssb_start_symbol_abs % 14;  // start symbol wrt slot
@@ -136,7 +136,7 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int slot) {
 	  nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[0][ssb_index],txdataF[0], AMP, ssb_start_symbol, cfg, fp);
 	
 	nr_generate_pbch(&gNB->pbch,
-			 gNB->ssb_pdu,
+			 &gNB->ssb_pdu,
 			 gNB->nr_pbch_interleaver,
 			 txdataF[0],
 			 AMP,
@@ -177,7 +177,7 @@ void phy_procedures_gNB_TX(PHY_VARS_gNB *gNB,
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_COMMON_TX,1);
   if (nfapi_mode == 0 || nfapi_mode == 1) { 
-    if ((!(frame%ssb_frame_periodicity)) && (gNB->ssb_pdu))  // generate SSB only for given frames according to SSB periodicity
+    if ((!(frame%ssb_frame_periodicity)))  // generate SSB only for given frames according to SSB periodicity
       nr_common_signal_procedures(gNB,frame, slot);
   }
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_COMMON_TX,0);