added logging to debug PRACH

openair1/PHY/LTE_TRANSPORT/prach.c

@@ -629,6 +629,13 @@ int32_t generate_prach( PHY_VARS_UE *ue, uint8_t eNB_id, uint8_t subframe, uint1
 
 #if defined(EXMIMO) || defined(OAI_USRP)
   prach_start =  (ue->rx_offset+subframe*ue->frame_parms.samples_per_tti-ue->hw_timing_advance-ue->N_TA_offset);
+#ifdef PRACH_DEBUG
+    LOG_I(PHY,"[UE %d] prach_start %d, rx_offset %d, hw_timing_advance %d, N_TA_offset %d\n", ue->Mod_id,
+        prach_start,
+        ue->rx_offset,
+        ue->hw_timing_advance,
+        ue->N_TA_offset);
+#endif
 
   if (prach_start<0)
     prach_start+=(ue->frame_parms.samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME);

openair1/SCHED/phy_procedures_lte_ue.c

@@ -1142,13 +1142,14 @@ void ue_prach_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uin
     } else {
       UE_transport_info[ue->Mod_id][ue->CC_id].cntl.prach_flag=1;
       UE_transport_info[ue->Mod_id][ue->CC_id].cntl.prach_id=ue->prach_resources[eNB_id]->ra_PreambleIndex;
+    }
+    
     if (ue->mac_enabled==1){
       mac_xface->Msg1_transmitted(ue->Mod_id,
           ue->CC_id,
           frame_tx,
           eNB_id);
     }
-    }
 
     LOG_D(PHY,"[UE  %d][RAPROC] Frame %d, subframe %d: Generating PRACH (eNB %d) preamble index %d for UL, TX power %d dBm (PL %d dB), l3msg \n",
 	  ue->Mod_id,frame_tx,subframe_tx,eNB_id,