diff options
Diffstat (limited to 'gr-pager/src/usrp_flex.py')
| -rwxr-xr-x | gr-pager/src/usrp_flex.py | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/gr-pager/src/usrp_flex.py b/gr-pager/src/usrp_flex.py index 055583c99..a9d6593fd 100755 --- a/gr-pager/src/usrp_flex.py +++ b/gr-pager/src/usrp_flex.py @@ -1,5 +1,26 @@ #!/usr/bin/env python +# +# Copyright 2006,2007 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# GNU Radio is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + from gnuradio import gr, gru, usrp, optfir, eng_notation, blks, pager from gnuradio.eng_option import eng_option from optparse import OptionParser @@ -127,9 +148,12 @@ def main(): try: fg.start() while 1: - msg = queue.delete_head() # Blocking read - fields = split(msg.to_string(), chr(128)) - print join(fields, '|') + if not queue.empty_p(): + msg = queue.delete_head() # Blocking read + fields = split(msg.to_string(), chr(128)) + print join(fields, '|') + else: + time.sleep(1) except KeyboardInterrupt: fg.stop() |