From 62e8f2383b340c7fae4addeaa8d44330da95a6ea Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Fri, 12 Feb 2016 10:29:16 -0800
Subject: uhd: Loosen requirements for multi-chan ops to have timed command
capability
---
gr-uhd/apps/uhd_app.py | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
(limited to 'gr-uhd/apps/uhd_app.py')
diff --git a/gr-uhd/apps/uhd_app.py b/gr-uhd/apps/uhd_app.py
index bb4b9a78af..59bebe24ec 100644
--- a/gr-uhd/apps/uhd_app.py
+++ b/gr-uhd/apps/uhd_app.py
@@ -167,12 +167,17 @@ 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:
@@ -180,7 +185,7 @@ 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))
@@ -223,10 +228,15 @@ 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:
@@ -234,7 +244,7 @@ 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))
--
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