modifications for RU synch

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

@@ -327,8 +327,7 @@ static int trx_usrp_start(openair0_device *device) {
     s->usrp->set_gpio_attr("FP0", "CTRL", 0x7f,0x7f);
   
   //set ATR register
-    s->usrp->set_gpio_attr("FP0", "ATR_RX", 1<<4, 0x7f);
-    s->usrp->set_gpio_attr("FP0", "ATR_RX", 1<<6, 0x7f);
+    s->usrp->set_gpio_attr("FP0", "ATR_RX", (1<<4)|(1<<6), 0x7f);
 
     // init recv and send streaming
     uhd::stream_cmd_t cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS);

targets/RT/USER/lte-ru.c

@@ -1177,6 +1177,7 @@ void do_ru_synch(RU_t *ru) {
   int32_t dummy_rx[ru->nb_rx][fp->samples_per_tti] __attribute__((aligned(32)));
   int rxs;
   int ic;
+  RRU_CONFIG_msg_t rru_config_msg;
 
   // initialize the synchronization buffer to the common_vars.rxdata
   for (int i=0;i<ru->nb_rx;i++)
@@ -1237,6 +1238,14 @@ void do_ru_synch(RU_t *ru) {
 
     ru->rfdevice.trx_set_freq_func(&ru->rfdevice,ru->rfdevice.openair0_cfg,0);
   */
+  ru->state    = RU_RUN;
+  // Send RRU_sync_ok
+  rru_config_msg.type = RRU_sync_ok;
+  rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t); // TODO: set to correct msg len
+
+  LOG_I(PHY,"Sending RRU_sync_ok to RAU\n", ru->idx);
+  AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),"Failed to send msg to RAU %d\n",ru->idx);
+
   LOG_I(PHY,"Exiting synch routine\n");
 }
 
@@ -1858,9 +1867,9 @@ static void* ru_thread( void* param ) {
       }
       old_time = time_rf.tv_nsec;
       clock_gettime(CLOCK_MONOTONIC,&time_rf);
-      if ((time_rf.tv_nsec > old_time + 1200000) || (time_rf.tv_nsec < old_time + 500000))
-         LOG_I(PHY,"RU thread %d, frame %d (%p), subframe %d : RF time difference : %lu\n",
-            ru->idx, frame,&frame,subframe,time_rf.tv_nsec - old_time);
+      //if ((time_rf.tv_nsec > old_time + 1200000) || (time_rf.tv_nsec < old_time + 500000))
+      //   LOG_I(PHY,"RU thread %d, frame %d (%p), subframe %d : RF time difference : %lu\n",
+      //      ru->idx, frame,&frame,subframe,time_rf.tv_nsec - old_time);
              
       if (ru->fh_south_in && ru->state == RU_RUN ) ru->fh_south_in(ru,&frame,&subframe);
       else AssertFatal(1==0, "No fronthaul interface at south port");
@@ -1924,7 +1933,6 @@ void *ru_thread_synch(void *arg) {
   uint32_t sync_corr[307200] __attribute__((aligned(32)));
   static int ru_thread_synch_status=0;
   int cnt=0;
-  RRU_CONFIG_msg_t rru_config_msg;
 
   thread_top_init("ru_thread_synch",0,5000000,10000000,10000000);
 
@@ -1985,13 +1993,6 @@ void *ru_thread_synch(void *arg) {
 	  }
 	*/
 	ru->in_synch = 1;
-	ru->state    = RU_RUN;
-	// Send RRU_sync_ok
-	rru_config_msg.type = RRU_sync_ok;
-        rru_config_msg.len  = sizeof(RRU_CONFIG_msg_t); // TODO: set to correct msg len
-
-        LOG_I(PHY,"Sending RRU_sync_ok to RAU\n", ru->idx);
-        AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),"Failed to send msg to RAU %d\n",ru->idx);
 
       } // symc_pos > 0
       else {