Fix the BIT STRING ERROR problem in MIB

openair1/SCHED_NR/fapi_nr_l1.c

@@ -45,7 +45,7 @@ void handle_nr_nfapi_bch_pdu(PHY_VARS_gNB *gNB,
   AssertFatal(dl_config_pdu->bch_pdu_rel15.length == 3, "BCH PDU has length %d != 3\n",
               dl_config_pdu->bch_pdu_rel15.length);
 
-  LOG_I(PHY,"bch_pdu: %x,%x,%x\n",sdu[0],sdu[1],sdu[2]);
+  LOG_I(PHY,"pbch_pdu[0]: %x,pbch_pdu[1]: %x,gNB->pbch_pdu[2]: %x\n",sdu[0],sdu[1],sdu[2]);
   gNB->pbch_pdu[0] = sdu[2];
   gNB->pbch_pdu[1] = sdu[1];
   gNB->pbch_pdu[2] = sdu[0];

openair2/RRC/NR/L2_nr_interface.c

@@ -38,13 +38,13 @@ int8_t mac_rrc_nr_data_req(const module_id_t Mod_idP,
   mib     = &carrier->mib;
 
   if( (Srb_id & RAB_OFFSET ) == MIBCH) {
-    mib->message.choice.mib->systemFrameNumber.buf = &sfn_msb;
+    mib->message.choice.mib->systemFrameNumber.buf = sfn_msb << 2;
     enc_rval = uper_encode_to_buffer(&asn_DEF_NR_BCCH_BCH_Message,
                                      NULL,
                                      (void *)mib,
                                      carrier->MIB,
                                      24);
-    LOG_I(NR_RRC,"Encoded MIB for frame %d (%p), bits %lu\n",sfn_msb,carrier->MIB,enc_rval.encoded);
+    LOG_I(NR_RRC,"Encoded MIB for frame %d sfn_msb %d (%p), bits %lu\n",frameP,sfn_msb,carrier->MIB,enc_rval.encoded);
     buffer_pP[0]=carrier->MIB[0];
     buffer_pP[1]=carrier->MIB[1];
     buffer_pP[2]=carrier->MIB[2];

openair2/RRC/NR/MESSAGES/asn1_msg.c

@@ -206,7 +206,8 @@ uint8_t do_MIB_NR(rrc_gNB_carrier_data_t *carrier,
   memset(mib->message.choice.mib,0,sizeof(struct NR_MIB));
   //36.331 SFN BIT STRING (SIZE (8)  , 38.331 SFN BIT STRING (SIZE (6))
   uint8_t sfn_msb = (uint8_t)((frame>>4)&0x3f);
-  mib->message.choice.mib->systemFrameNumber.buf = &sfn_msb;
+  mib->message.choice.mib->systemFrameNumber.buf = CALLOC(1,sizeof(uint8_t));
+  mib->message.choice.mib->systemFrameNumber.buf = sfn_msb << 2;
   mib->message.choice.mib->systemFrameNumber.size = 1;
   mib->message.choice.mib->systemFrameNumber.bits_unused=2;