diff options
Diffstat (limited to 'gr-uhd/apps/uhd_app.py')
| -rw-r--r-- | gr-uhd/apps/uhd_app.py | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/gr-uhd/apps/uhd_app.py b/gr-uhd/apps/uhd_app.py index 0a2beec21c..ff4412a140 100644 --- a/gr-uhd/apps/uhd_app.py +++ b/gr-uhd/apps/uhd_app.py @@ -170,12 +170,17 @@ class UHDApp(object): treq = uhd.tune_request(args.freq) self.has_lo_sensor = 'lo_locked' in self.usrp.get_sensor_names() # Make sure tuning is synched: + command_time_set = False if len(self.channels) > 1: if args.sync == 'pps': self.usrp.set_time_unknown_pps(uhd.time_spec()) cmd_time = self.usrp.get_time_now() + uhd.time_spec(COMMAND_DELAY) - for mb_idx in xrange(self.usrp.get_num_mboards()): - self.usrp.set_command_time(cmd_time, mb_idx) + try: + for mb_idx in xrange(self.usrp.get_num_mboards()): + self.usrp.set_command_time(cmd_time, mb_idx) + command_time_set = True + except RuntimeError: + sys.stderr.write('[{prefix}] [WARNING] Failed to set command times.\n'.format(prefix=self.prefix)) for chan in self.channels: self.tr = self.usrp.set_center_freq(treq, chan) if self.tr == None: @@ -183,7 +188,7 @@ class UHDApp(object): prefix=self.prefix, chan=chan )) exit(1) - if len(self.channels) > 1: + if command_time_set: for mb_idx in xrange(self.usrp.get_num_mboards()): self.usrp.clear_command_time(mb_idx) self.vprint("Syncing channels...".format(prefix=self.prefix)) @@ -226,10 +231,15 @@ class UHDApp(object): else: treq = uhd.tune_request(freq) # Make sure tuning is synched: + command_time_set = False if len(self.channels) > 1 and not skip_sync: cmd_time = self.usrp.get_time_now() + uhd.time_spec(COMMAND_DELAY) - for mb_idx in xrange(self.usrp.get_num_mboards()): - self.usrp.set_command_time(cmd_time, mb_idx) + try: + for mb_idx in xrange(self.usrp.get_num_mboards()): + self.usrp.set_command_time(cmd_time, mb_idx) + command_time_set = True + except RuntimeError: + sys.stderr.write('[{prefix}] [WARNING] Failed to set command times.\n'.format(prefix=self.prefix)) for chan in self.channels: self.tr = self.usrp.set_center_freq(treq, chan) if self.tr == None: @@ -237,7 +247,7 @@ class UHDApp(object): prefix=self.prefix, chan=chan )) exit(1) - if len(self.channels) > 1 and not skip_sync: + if command_time_set: for mb_idx in xrange(self.usrp.get_num_mboards()): self.usrp.clear_command_time(mb_idx) self.vprint("Syncing channels...".format(prefix=self.prefix)) |