diff options
Diffstat (limited to 'gnuradio-examples/python/ofdm/tunnel.py')
| -rwxr-xr-x | gnuradio-examples/python/ofdm/tunnel.py | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/gnuradio-examples/python/ofdm/tunnel.py b/gnuradio-examples/python/ofdm/tunnel.py index 5babd3282..952c8dc95 100755 --- a/gnuradio-examples/python/ofdm/tunnel.py +++ b/gnuradio-examples/python/ofdm/tunnel.py @@ -33,7 +33,7 @@ # ///////////////////////////////////////////////////////////////////////////// -from gnuradio import gr, gru, blks +from gnuradio import gr, gru, blks2 from gnuradio import usrp from gnuradio import eng_notation from gnuradio.eng_option import eng_option @@ -86,9 +86,9 @@ def open_tun_interface(tun_device_filename): # the flow graph # ///////////////////////////////////////////////////////////////////////////// -class usrp_graph(gr.flow_graph): +class usrp_graph(gr.top_block): def __init__(self, callback, options): - gr.flow_graph.__init__(self) + gr.top_block.__init__(self) self._tx_freq = options.tx_freq # tranmitter's center frequency self._tx_subdev_spec = options.tx_subdev_spec # daughterboard to use @@ -121,8 +121,8 @@ class usrp_graph(gr.flow_graph): # copy the final answers back into options for use by modulator #options.bitrate = self._bitrate - self.txpath = transmit_path(self, options) - self.rxpath = receive_path(self, callback, options) + self.txpath = transmit_path(options) + self.rxpath = receive_path(callback, options) self.connect(self.txpath, self.u_snk) self.connect(self.u_src, self.rxpath) @@ -280,8 +280,8 @@ class cs_mac(object): self.verbose = verbose self.fg = None # flow graph (access to PHY) - def set_flow_graph(self, fg): - self.fg = fg + def set_flow_graph(self, tb): + self.tb = tb def phy_rx_callback(self, ok, payload): """ @@ -307,20 +307,20 @@ class cs_mac(object): while 1: payload = os.read(self.tun_fd, 10*1024) if not payload: - self.fg.send_pkt(eof=True) + self.tb.send_pkt(eof=True) break if self.verbose: print "Tx: len(payload) = %4d" % (len(payload),) delay = min_delay - while self.fg.carrier_sensed(): + while self.tb.carrier_sensed(): sys.stderr.write('B') time.sleep(delay) if delay < 0.050: delay = delay * 2 # exponential back-off - self.fg.send_pkt(payload) + self.tb.send_pkt(payload) # ///////////////////////////////////////////////////////////////////////////// @@ -345,8 +345,8 @@ def main(): usrp_graph.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) - blks.ofdm_mod.add_options(parser, expert_grp) - blks.ofdm_demod.add_options(parser, expert_grp) + blks2.ofdm_mod.add_options(parser, expert_grp) + blks2.ofdm_demod.add_options(parser, expert_grp) fusb_options.add_options(expert_grp) @@ -391,9 +391,9 @@ def main(): # build the graph (PHY) - fg = usrp_graph(mac.phy_rx_callback, options) + tb = usrp_graph(mac.phy_rx_callback, options) - mac.set_flow_graph(fg) # give the MAC a handle for the PHY + mac.set_flow_graph(tb) # give the MAC a handle for the PHY #if fg.txpath.bitrate() != fg.rxpath.bitrate(): # print "WARNING: Transmit bitrate = %sb/sec, Receive bitrate = %sb/sec" % ( @@ -407,7 +407,7 @@ def main(): #print "interp: %3d" % (fg.txpath.interp(),) #print "decim: %3d" % (fg.rxpath.decim(),) - fg.rxpath.set_carrier_threshold(options.carrier_threshold) + tb.rxpath.set_carrier_threshold(options.carrier_threshold) print "Carrier sense threshold:", options.carrier_threshold, "dB" print @@ -420,12 +420,12 @@ def main(): print - fg.start() # Start executing the flow graph (runs in separate threads) + tb.start() # Start executing the flow graph (runs in separate threads) mac.main_loop() # don't expect this to return... - fg.stop() # but if it does, tell flow graph to stop. - fg.wait() # wait for it to finish + tb.stop() # but if it does, tell flow graph to stop. + tb.wait() # wait for it to finish if __name__ == '__main__': |