adding payload check to nr_pbchsim

maketags

 #!/bin/sh
 echo "building ctags for openair1 and openair2 ..."
-ctags -e -R  --exclude=openair1/DOCS/ --exclude=openair2/DOCS/ --exclude=openair2/RRC/CELLULAR/ --exclude=openair2/NAS/DRIVER/CELLULAR/ --exclude=openair2/SIMULATION/ --exclude=targets/DOCS/ --exclude=targets/PROJECTS/ openair1 openair2 openair3 targets cmake_targets common
+ctags -e -R  --exclude=openair1/DOCS/ --exclude=openair2/DOCS/ --exclude=openair2/RRC/CELLULAR/ --exclude=openair2/NAS/DRIVER/CELLULAR/ --exclude=openair2/SIMULATION/ --exclude=targets/DOCS/ --exclude=targets/PROJECTS/ openair1 openair2 openair3 targets cmake_targets common nfapi
 

openair1/PHY/NR_TRANSPORT/nr_pbch.c

@@ -37,7 +37,7 @@
 #include "PHY/sse_intrin.h"
 
 //#define DEBUG_PBCH
-//#define DEBUG_PBCH_ENCODING
+#define DEBUG_PBCH_ENCODING
 //#define DEBUG_PBCH_DMRS
 
 #include "PHY/NR_REFSIG/nr_mod_table.h"

openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c

@@ -36,7 +36,7 @@
 #include "PHY/LTE_REFSIG/lte_refsig.h"
 
 //#define DEBUG_PBCH 1
-//#define DEBUG_PBCH_ENCODING
+#define DEBUG_PBCH_ENCODING
 
 #ifdef OPENAIR2
 //#include "PHY_INTERFACE/defs.h"
@@ -673,7 +673,7 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
   M = (Lmax == 64)? (NR_POLAR_PBCH_PAYLOAD_BITS - 6) : (NR_POLAR_PBCH_PAYLOAD_BITS - 3);
   nushift = ((nr_ue_pbch_vars->pbch_a_prime>>24)&1) ^ (((nr_ue_pbch_vars->pbch_a_prime>>6)&1)<<1);
   nr_pbch_unscrambling(nr_ue_pbch_vars,frame_parms->Nid_cell,nushift,M,NR_POLAR_PBCH_PAYLOAD_BITS,1,unscrambling_mask);
-  printf("nushift %d sfn 3rd %d 2nd %d", nushift,((nr_ue_pbch_vars->pbch_a_prime>>6)&1), ((nr_ue_pbch_vars->pbch_a_prime>>24)&1) );
+  printf("nushift %d sfn 3rd %d 2nd %d\n", nushift,((nr_ue_pbch_vars->pbch_a_prime>>6)&1), ((nr_ue_pbch_vars->pbch_a_prime>>24)&1) );
 
   //payload deinterleaving
   //uint32_t in=0;

openair1/PHY/defs_gNB.h

@@ -47,6 +47,15 @@ typedef struct {
   uint32_t pbch_e[NR_POLAR_PBCH_E_DWORD];
 } NR_gNB_PBCH;
 
+typedef struct {
+  uint8_t ssb_start_symbol;
+  uint8_t n_hf;
+  uint8_t Lmax;
+  uint8_t ssb_index;
+  int32_t sfn;
+} NR_PBCH_parms_t;
+
+
 typedef struct {
   /// Length of DCI payload in bits
   uint16_t size;

openair1/SIMULATION/NR_PHY/pbchsim.c

@@ -567,6 +567,14 @@ int main(int argc, char **argv)
 			 SISO,
 			 UE->high_speed_flag);
 
+	if (ret==0) {
+	  //UE->rx_ind.rx_indication_body->mib_pdu.ssb_index;  //not yet detected automatically
+	  //UE->rx_ind.rx_indication_body->mib_pdu.ssb_length; //Lmax, not yet detected automatically
+	  for (i=0;i<3;i++)
+	    printf("pdu byte %d gNB: 0x%02x UE: 0x%02x\n",i,((uint8_t*)&gNB->pbch.pbch_a)[i], UE->rx_ind.rx_indication_body->mib_pdu.pdu[i]);  
+	  printf("xtra byte gNB: 0x%02x UE: 0x%02x\n",((uint8_t*)&gNB->pbch.pbch_a)[3], UE->rx_ind.rx_indication_body->mib_pdu.additional_bits);
+	}
+
 	if (ret<0) n_errors++;
       }
     } //noise trials