diff options
Diffstat (limited to 'gr-uhd/apps/uhd_rx_nogui.py')
| -rwxr-xr-x | gr-uhd/apps/uhd_rx_nogui.py | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gr-uhd/apps/uhd_rx_nogui.py b/gr-uhd/apps/uhd_rx_nogui.py index e692e6ea3..bcb52c619 100755 --- a/gr-uhd/apps/uhd_rx_nogui.py +++ b/gr-uhd/apps/uhd_rx_nogui.py @@ -1,6 +1,6 @@ #!/usr/bin/env python # -# Copyright 2006,2007,2011 Free Software Foundation, Inc. +# Copyright 2006,2007,2011,2012 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -190,6 +190,17 @@ class app_top_block(gr.top_block): AUDIO = audio.sink(int(options.output_rate), options.audio_output) self.connect(tail, AUDIO) + + # Direct asynchronous notifications to callback function + if self.options.show_async_msg: + self.async_msgq = gr.msg_queue(0) + self.async_src = uhd.amsg_source("", self.async_msgq) + self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback) + + def async_callback(self, msg): + md = self.async_src.msg_to_async_metadata_t(msg) + print "Channel: %i Time: %f Event: %i" % (md.channel, md.time_spec.get_real_secs(), md.event_code) + def main(): parser = OptionParser(option_class=eng_option) @@ -222,6 +233,8 @@ def main(): help="set CTCSS squelch to FREQ [default=%default]") parser.add_option("-O", "--audio-output", type="string", default="", help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp") + parser.add_option("", "--show-async-msg", action="store_true", default=False, + help="Show asynchronous message notifications from UHD [default=%default]") (options, args) = parser.parse_args() if options.frequency is None: |