fix BCH tracking

openair2/UTIL/LOG/log.h

@@ -46,7 +46,9 @@
 #include <time.h>
 #include <stdint.h>
 #include <inttypes.h>
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #include <pthread.h>
 #else
 #include "rtai_fifos.h"

targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp

@@ -109,7 +109,7 @@ static int trx_usrp_start(openair0_device *device) {
     // init recv and send streaming
     uhd::stream_cmd_t cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
     cmd.time_spec = s->usrp->get_time_now() + uhd::time_spec_t(0.05);
-    cmd.stream_now = true;
+    cmd.stream_now = false; // start at constant delay
     s->rx_stream->issue_stream_cmd(cmd);
 
     s->tx_md.time_spec = cmd.time_spec + uhd::time_spec_t(1-(double)s->tx_forward_nsamps/s->sample_rate);
@@ -160,16 +160,13 @@ static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp,
     if (flags == 2) { // start of burst
         s->tx_md.start_of_burst = true;
         s->tx_md.end_of_burst = false;
-  }
-  else if (flags == 3) { // end of burst
+    } else if (flags == 3) { // end of burst
         s->tx_md.start_of_burst = false;
         s->tx_md.end_of_burst = true;
-  }
-  else if (flags == 4) { // start and end
+    } else if (flags == 4) { // start and end
         s->tx_md.start_of_burst = true;
         s->tx_md.end_of_burst = true;
-  }
-  else if (flags==1) { // middle of burst
+    } else if (flags==1) { // middle of burst
         s->tx_md.start_of_burst = false;
         s->tx_md.end_of_burst = false;
     }
@@ -253,7 +250,7 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
             // receive multiple channels (e.g. RF A and RF B)
             std::vector<void *> buff_ptrs;
 
-      for (int i=0;i<cc;i++) buff_ptrs.push_back(buff[i]);
+            for (int i=0; i<cc; i++) buff_ptrs.push_back(buff[i]);
             samples_received = s->rx_stream->recv(buff_ptrs, nsamps, s->rx_md);
         } else {
             // receive a single channel (e.g. from connector RF A)