fixing a few bugs

executables/nr-ru.c

@@ -691,7 +691,7 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
 				       ru->nb_rx);
       // we might also apply some low pass filter here
       ts_cpu_us =    ((double)rdtsc_oai())/cpuf/1000.0;
-      ts_rx_us = ((double)ts)/ru->openair0_cfg.rx_sample_rate/1e6;
+      ts_rx_us = ((double)ts)/(ru->openair0_cfg.sample_rate/1e6);
       time_offset_us = ts_rx_us- ts_cpu_us;
       LOG_D(PHY,"rx_rf(): setting time_offset_us %f (ts_rx_us %f, ts_cpu_us %f)\n",time_offset_us,ts_rx_us,ts_cpu_us);
     }
@@ -704,7 +704,7 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
     //this is a DL slot, so we don't need to read from rfdevice. But in order to keep (approximate) timing we sleep until the time we would expect the slot
     if (time_offset_us) {
       ts_cpu_us =    ((double)rdtsc_oai())/cpuf/1000.0;
-      ts_rx_us = ((double)proc->timestamp_rx)/ru->openair0_cfg.rx_sample_rate/1e6;
+      ts_rx_us = ((double)proc->timestamp_rx)/(ru->openair0_cfg.sample_rate/1e6);
       LOG_D(PHY,"rx_rf(): sleeping for %f (ts_rx_us %f, ts_cpu_us %f)\n",ts_rx_us-(ts_cpu_us+time_offset_us),ts_rx_us,ts_cpu_us);
       if (ts_cpu_us+time_offset_us<ts_rx_us) 
 	usleep(ts_rx_us-(ts_cpu_us+time_offset_us));

targets/ARCH/COMMON/common_lib.h

@@ -228,11 +228,7 @@ typedef struct {
   uint32_t       recplay_mode;
   recplay_conf_t *recplay_conf;
   //! number of samples per tti
-  unsigned int  samples_per_tti;
-  //! the sample rate for receive.
-  double rx_sample_rate;
-  //! the sample rate for transmit.
-  double tx_sample_rate;
+  //unsigned int  samples_per_tti;
   //! check for threequarter sampling rate
   int8_t threequarter_fs;
   //! flag to indicate use of same antenna port for RX and TX (for TDD)

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf

@@ -237,15 +237,16 @@ RUs = (
          max_pdschReferenceSignalPower = -27;
          max_rxgain                    = 114;
          eNB_instances  = [0];
-	 sdr_addrs = "addr=192.168.10.2,mgmt_addr=192.168.10.2";
-         #clock_src = "external";
+	 sdr_addrs = "addr=192.168.10.2,second_addr=192.168.20.2";
+         clock_src = "external";         
+	 time_src = "external";
     }
 );  
 
 THREAD_STRUCT = (
   {
     #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
-    parallel_config    = "PARALLEL_RU_L1_TRX_SPLIT";
+    parallel_config    = "PARALLEL_SINGLE_THREAD";
     #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
     worker_config      = "WORKER_ENABLE";
   }
@@ -255,9 +256,9 @@ THREAD_STRUCT = (
      {
        global_log_level                      ="info";
        global_log_verbosity                  ="medium";
-       hw_log_level                          ="info";
+       hw_log_level                          ="debug";
        hw_log_verbosity                      ="medium";
-       phy_log_level                         ="info";
+       phy_log_level                         ="debug";
        phy_log_verbosity                     ="medium";
        mac_log_level                         ="info";
        mac_log_verbosity                     ="high";