diff options
Diffstat (limited to 'gr-uhd/apps/uhd_rx_cfile.py')
| -rwxr-xr-x | gr-uhd/apps/uhd_rx_cfile.py | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/gr-uhd/apps/uhd_rx_cfile.py b/gr-uhd/apps/uhd_rx_cfile.py index de44d4f56..718bb80b7 100755 --- a/gr-uhd/apps/uhd_rx_cfile.py +++ b/gr-uhd/apps/uhd_rx_cfile.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 # @@ -26,7 +26,7 @@ outputs single precision complex float values or complex short values (interleaved 16 bit signed short integers). """ -from gnuradio import gr, eng_notation +from gnuradio import gr, gru, eng_notation from gnuradio import uhd from gnuradio.eng_option import eng_option from optparse import OptionParser @@ -106,6 +106,17 @@ class rx_cfile_block(gr.top_block): else: print "Writing 32-bit complex floats" print "Output filename:", filename + + # Direct asynchronous notifications to callback function + if 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 get_options(): usage="%prog: [options] output_filename" @@ -134,6 +145,8 @@ def get_options(): help="set wire format from USRP [default=%default") parser.add_option("", "--scalar", type="int", default=1024, help="set scalar multiplier value for 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) != 1: |