move setting of EARFCNs straight into parse_args function

srsenb/src/enb.cc

@@ -78,7 +78,7 @@ enb::~enb()
 
 bool enb::init(all_args_t *args_)
 {
-  args     = args_;
+  args = args_;
 
   if (!args->log.filename.compare("stdout")) {
     logger = &logger_stdout;
@@ -219,25 +219,7 @@ bool enb::init(all_args_t *args_)
   }
 
   radio.set_rx_gain(args->rf.rx_gain);
-  radio.set_tx_gain(args->rf.tx_gain);    
+  radio.set_tx_gain(args->rf.tx_gain);
-  
-  if (args->rf.dl_freq < 0) {
-    args->rf.dl_freq = 1e6*srslte_band_fd(args->rf.dl_earfcn); 
-    if (args->rf.dl_freq < 0) {
-      fprintf(stderr, "Error getting DL frequency for EARFCN=%d\n", args->rf.dl_earfcn);
-      return false; 
-    }  
-  }
-  if (args->rf.ul_freq < 0) {
-    if (args->rf.ul_earfcn == 0) {
-      args->rf.ul_earfcn = srslte_band_ul_earfcn(args->rf.dl_earfcn);
-    }
-    args->rf.ul_freq = 1e6*srslte_band_fu(args->rf.ul_earfcn); 
-    if (args->rf.ul_freq < 0) {
-      fprintf(stderr, "Error getting UL frequency for EARFCN=%d\n", args->rf.dl_earfcn);
-      return false; 
-    }  
-  }
   ((srslte::log_filter*) phy_log[0])->console("Setting frequency: DL=%.1f Mhz, UL=%.1f MHz\n", args->rf.dl_freq/1e6, args->rf.ul_freq/1e6);
 
   radio.set_tx_freq(args->rf.dl_freq);

srsenb/src/main.cc

@@ -240,6 +240,25 @@ void parse_args(all_args_t *args, int argc, char* argv[]) {
     cout << "Error parsing enb.mnc:" << mnc << " - must be a 2 or 3-digit string." << endl;
   }
 
+  // Convert UL/DL EARFCN to frequency if needed
+  if (args->rf.dl_freq < 0) {
+    args->rf.dl_freq = 1e6 * srslte_band_fd(args->rf.dl_earfcn);
+    if (args->rf.dl_freq < 0) {
+      fprintf(stderr, "Error getting DL frequency for EARFCN=%d\n", args->rf.dl_earfcn);
+      exit(1);
+    }
+  }
+  if (args->rf.ul_freq < 0) {
+    if (args->rf.ul_earfcn == 0) {
+      args->rf.ul_earfcn = srslte_band_ul_earfcn(args->rf.dl_earfcn);
+    }
+    args->rf.ul_freq = 1e6 * srslte_band_fu(args->rf.ul_earfcn);
+    if (args->rf.ul_freq < 0) {
+      fprintf(stderr, "Error getting UL frequency for EARFCN=%d\n", args->rf.dl_earfcn);
+      exit(1);
+    }
+  }
+
   // Apply all_level to any unset layers
   if (vm.count("log.all_level")) {
     if(!vm.count("log.phy_level")) {