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authorMartin Braun <martin.braun@ettus.com>2017-12-22 16:47:50 -0800
committerMartin Braun <martin.braun@ettus.com>2017-12-22 16:47:50 -0800
commit7a588a564529a29389371b9990477c4dab8a1771 (patch)
tree29d2c13e938bc3c62542920652693978382f30f8 /mpm
parentb0dc9fd6770a003f4bd12ca6706c227c009cc8da (diff)
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mpm: n310: Fix setting time source
Diffstat (limited to 'mpm')
-rw-r--r--mpm/python/usrp_mpm/periph_manager/n310.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/mpm/python/usrp_mpm/periph_manager/n310.py b/mpm/python/usrp_mpm/periph_manager/n310.py
index fff1e0970..4ffaaabc4 100644
--- a/mpm/python/usrp_mpm/periph_manager/n310.py
+++ b/mpm/python/usrp_mpm/periph_manager/n310.py
@@ -359,8 +359,6 @@ class n310(PeriphManagerBase):
# Init clocking
self.enable_ref_clock(enable=True)
self._ext_clock_freq = None
- self._clock_source = None
- self._time_source = None
self._init_ref_clock_and_time(args.default_args)
self._init_meas_clock()
# Init CHDR transports
@@ -589,6 +587,10 @@ class n310(PeriphManagerBase):
def set_time_source(self, time_source):
" Set a time source "
assert time_source in self.get_time_sources()
+ if time_source == self.get_time_source():
+ self.log.trace("Nothing to do -- time source already set.")
+ return
+ self._time_source = time_source
self.mboard_regs_control.set_time_source(time_source, self.get_ref_clock_freq())
def enable_pps_out(self, enable):