[no USRP found] error resolved

nfapi/README.md

@@ -26,4 +26,9 @@
     ```
 * Need the `N_RB` value to be non-zero and obtained from the config file. (carrier config grid size)
 `int N_RB = gNB_config->carrier_config.dl_grid_size[gNB_config->ssb_config.scs_common.value].value;`
-* how is this `gNB_config` assigned its values?
\ No newline at end of file
+* how is this `gNB_config` assigned its values?
+
+### 19/06/20
+* `ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);` sloc: 1428 in `nr-ru.c`
+* the `ru->rfdevice` has all members zero or null.
+* This issue was solved by adding `sdr_addrs` to config file of PNF.
\ No newline at end of file

nfapi/oai_integration/nfapi_pnf.c

@@ -1285,7 +1285,7 @@ int start_request(nfapi_pnf_config_t *config, nfapi_pnf_phy_config_t *phy,  nfap
   pthread_create(&p7_thread, NULL, &pnf_p7_thread_start, p7_config);
   //((pnf_phy_user_data_t*)(phy_info->fapi->user_data))->p7_config = p7_config;
   NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] Calling l1_north_init_eNB() %s\n", __FUNCTION__);
-  l1_north_init_eNB();
+  l1_north_init_gNB();
   NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] DJP - HACK - Set p7_config global ready for subframe ind%s\n", __FUNCTION__);
   p7_config_g = p7_config;
 
@@ -1321,6 +1321,7 @@ int start_request(nfapi_pnf_config_t *config, nfapi_pnf_phy_config_t *phy,  nfap
   nfapi_send_pnf_start_resp(config, p7_config->phy_id);
   printf("[PNF] Sending first P7 subframe ind\n");
   nfapi_pnf_p7_subframe_ind(p7_config, p7_config->phy_id, 0); // DJP - SFN_SF set to zero - correct???
+  //TODO: Change to nfapi_pnf_p7_slot_ind
   printf("[PNF] Sent first P7 subframe ind\n");
   return 0;
 }

nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h

@@ -607,7 +607,7 @@ typedef struct {
 	uint16_t sfn; //0->1023   
   uint16_t slot;//0->319
   
-} nfapi_nr_slot_indication_t;
+} nfapi_nr_slot_indication_scf_t;
 
 // 3.4.2 
 

targets/PROJECTS/GENERIC-LTE-EPC/CONF/oaiL1.nfapi.usrpx300.conf

@@ -41,5 +41,6 @@ RUs = (
        bands          = [7];
        max_pdschReferenceSignalPower = -27;
        max_rxgain                    = 114;
+       sdr_addrs = "type=x300"; // USRP type
     }		      
 );