diff options
Diffstat (limited to 'gr-uhd/apps/uhd_fft.py')
| -rwxr-xr-x | gr-uhd/apps/uhd_fft.py | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gr-uhd/apps/uhd_fft.py b/gr-uhd/apps/uhd_fft.py index 7314c4759..18edc8f86 100755 --- a/gr-uhd/apps/uhd_fft.py +++ b/gr-uhd/apps/uhd_fft.py @@ -1,6 +1,6 @@ #!/usr/bin/env python # -# Copyright 2011 Free Software Foundation, Inc. +# Copyright 2012 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -20,7 +20,7 @@ # Boston, MA 02110-1301, USA. # -from gnuradio import gr +from gnuradio import gr, gru from gnuradio import uhd from gnuradio import eng_notation from gnuradio.eng_option import eng_option @@ -75,6 +75,8 @@ class app_top_block(stdgui2.std_top_block): help="Set wire format from USRP [default=%default]") parser.add_option("", "--scalar", type="int", default=1024, help="Set scalar multiplier value sc8 wire format [default=%default]") + 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 len(args) != 0: parser.print_help() @@ -146,6 +148,16 @@ class app_top_block(stdgui2.std_top_block): if not(self.set_freq(options.freq)): self._set_status_msg("Failed to set initial frequency") + # 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 _set_status_msg(self, msg): self.frame.GetStatusBar().SetStatusText(msg, 0) |