Fix for problems that L2sim finishes in case of multiple UEs and UE L2sim...

Fix for problems that L2sim finishes in case of multiple UEs and UE L2sim keeps wating for a signal.

targets/RT/USER/lte-uesoftmodem.c

@@ -852,7 +852,7 @@ printf("~~~~~~~~~~~~~~~~~~~~successfully get the parallel config[%d], worker con
 
 
   printf("Running with %d UE instances\n",NB_UE_INST);
-  if (NB_UE_INST > 1 && simL1flag != 1) {
+  if (NB_UE_INST > 1 && simL1flag != 1 && nfapi_mode != 3) {
     printf("Running with more than 1 UE instance and simL1 is not active, this will result in undefined behaviour for now, exiting.\n");
     abort();
   }
@@ -971,6 +971,8 @@ printf("~~~~~~~~~~~~~~~~~~~~successfully get the parallel config[%d], worker con
     RCConfig_sim();
   }
 
+// source code written in below moved to later to avoid keeping waiting for nfapi_sync_cond in wait_nfapi_init.
+/*
   // start the main UE threads
   int eMBMS_active = 0;
 
@@ -1001,7 +1003,7 @@ printf("~~~~~~~~~~~~~~~~~~~~successfully get the parallel config[%d], worker con
               PHY_vars_UE_g[0][CC_id]->rf_map.chain=CC_id+chain_offset;
       }
   }
-
+*/
   
   cpuf=get_cpu_freq_GHz();
   
@@ -1090,7 +1092,36 @@ printf("~~~~~~~~~~~~~~~~~~~~successfully get the parallel config[%d], worker con
     }
     printf("NFAPI MODE:%s\n", nfapi_mode_str);
 
+  // start the main UE threads
+  int eMBMS_active = 0;
+
+  if (nfapi_mode==3) // UE-STUB-PNF
+  {
+      config_sync_var=0;
+      wait_nfapi_init("main?");
+      //Panos: Temporarily we will be using single set of threads for multiple UEs.
+      //init_UE_stub(1,eMBMS_active,uecap_xer_in,emul_iface);
+      init_UE_stub_single_thread(NB_UE_INST,eMBMS_active,uecap_xer_in,emul_iface);
+  }
+  else {
+      init_UE(NB_UE_INST,eMBMS_active,uecap_xer_in,0,phy_test,UE_scan,UE_scan_carrier,mode,(int)rx_gain[0][0],tx_max_power[0],
+              frame_parms[0]);
+  }
+
+
+  if (phy_test==0) {
+    printf("Filling UE band info\n");
+    fill_ue_band_info();
+    dl_phy_sync_success (0, 0, 0, 1);
+  }
 
+  if (nfapi_mode!=3){
+      number_of_cards = 1;
+      for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
+              PHY_vars_UE_g[0][CC_id]->rf_map.card=0;
+              PHY_vars_UE_g[0][CC_id]->rf_map.chain=CC_id+chain_offset;
+      }
+  }
   // connect the TX/RX buffers