subdev_spec = usrp.pick_tx_subdevice(self._usrp)
self._usrp.set_mux(usrp.determine_tx_mux_value(self._usrp, subdev_spec))
self._subdev = usrp.selected_subdev(self._usrp, subdev_spec)
- tr = usrp.tune(self._usrp, self._subdev._which, self._subdev, freq)
+ tr = usrp.tune(self._usrp, self._subdev.which(), self._subdev, freq)
if not (tr):
print "Failed to tune to center frequency!"
else: