From 42c1bfdc72b29f18c5a750a07959d4cc760411b4 Mon Sep 17 00:00:00 2001
From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Tue, 4 Sep 2007 13:21:24 +0000
Subject: Cleanup on gnuradio-examples restructuring.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6287 221aa14e-8319-0410-a670-987f0aec2ac5
---
.../python/digital/limbo/mpsk_test.py | 125 ---------------------
1 file changed, 125 deletions(-)
delete mode 100755 gnuradio-examples/python/digital/limbo/mpsk_test.py
(limited to 'gnuradio-examples/python/digital/limbo/mpsk_test.py')
diff --git a/gnuradio-examples/python/digital/limbo/mpsk_test.py b/gnuradio-examples/python/digital/limbo/mpsk_test.py
deleted file mode 100755
index 1f257d9c5d..0000000000
--- a/gnuradio-examples/python/digital/limbo/mpsk_test.py
+++ /dev/null
@@ -1,125 +0,0 @@
-#!/usr/bin/env python
-
-from gnuradio import gr, blks
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-import random
-import struct
-from mpsk_pkt import *
-import cmath
-
-class my_graph(gr.flow_graph):
-
- def __init__(self, rx_callback, spb, excess_bw, SNR, freq_error, arity):
- gr.flow_graph.__init__(self)
-
- fg = self
-
- # Tuning Parameters
- gain_mu = 0.05/spb
-
- # transmitter
- self.packet_transmitter = \
- mpsk_mod_pkts(fg, spb=spb, excess_bw=excess_bw, diff=True, arity=arity)
-
- # ----------------------------------------------------------------
- # Channel model
- # ----------------------------------------------------------------
-
- awgn = gr.noise_source_c(gr.GR_GAUSSIAN, pow(10.0,-SNR/20.0))
- add = gr.add_cc() # add some noise
- fg.connect(awgn, (add,1))
- radians = 17*pi/180
- phase_rotate = gr.multiply_const_cc(cmath.exp(radians * 1j))
-
- # ----------------------------------------------------------------
-
- # channel filter
- rx_filt_taps = gr.firdes.low_pass(1,spb,0.8,0.1,gr.firdes.WIN_HANN)
- #rx_filt_taps = (1,)
- rx_filt = gr.fir_filter_ccf(1,rx_filt_taps)
-
- # receiver
- self.packet_receiver = \
- mpsk_demod_pkts(fg, callback=rx_callback,
- excess_bw=excess_bw, arity=arity, diff=True,
- costas_alpha=.005, gain_mu=gain_mu, spb=spb)
-
- fg.connect (self.packet_transmitter, (add,0))
- fg.connect(add, phase_rotate, rx_filt, self.packet_receiver)
-
-
-class stats(object):
- def __init__(self):
- self.npkts = 0
- self.nright = 0
-
-def main():
- st = stats()
-
- def send_pkt(payload='', eof=False):
- fg.packet_transmitter.send_pkt(payload, eof)
-
- def rx_callback(ok, payload):
- st.npkts += 1
- if ok:
- st.nright += 1
- if len(payload) <= 16:
- print "ok = %5r payload = '%s' %d/%d" % (ok, payload, st.nright, st.npkts)
- else:
- (pktno,) = struct.unpack('!H', payload[0:2])
- print "ok = %5r pktno = %4d len(payload) = %4d %d/%d" % (ok, pktno, len(payload),
- st.nright, st.npkts)
-
-
- parser = OptionParser (option_class=eng_option)
- parser.add_option("-M", "--megabytes", type="eng_float", default=1,
- help="set megabytes to transmit [default=%default]")
- parser.add_option("-s", "--size", type="eng_float", default=1500,
- help="set packet size [default=%default]")
- parser.add_option("","--spb", type=int, default=4,
- help="set samples per baud to SPB [default=%default]")
- parser.add_option("", "--excess-bw", type="eng_float", default=0.4,
- help="set excess bandwidth for RRC filter [default=%default]")
- parser.add_option("", "--snr", type="eng_float", default=40,
- help="set SNR in dB for simulation [default=%default]")
- parser.add_option("", "--m-arity", type=int, default=4,
- help="PSK arity [default=%default]")
- parser.add_option("", "--freq-error", type="eng_float", default=0,
- help="set frequency error for simulation [default=%default]")
-
- (options, args) = parser.parse_args ()
-
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- pkt_size = int(options.size)
-
- fg = my_graph(rx_callback, options.spb, options.excess_bw, options.snr,
- options.freq_error, options.m_arity)
- fg.start()
-
- nbytes = int(1e6 * options.megabytes)
- n = 0
- pktno = 0
-
- send_pkt('Hello World')
-
- # generate and send packets
- while n < nbytes:
- send_pkt(struct.pack('!H', pktno) + (pkt_size - 2) * chr(pktno & 0xff))
- n += pkt_size
- pktno += 1
-
- send_pkt('Goodbye World')
- send_pkt(eof=True) # tell modulator we're not sending any more pkts
-
- fg.wait()
-
-
-if __name__ == '__main__':
- try:
- main()
- except KeyboardInterrupt:
- pass
--
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