1 files changed, 0 insertions, 103 deletions
diff --git a/gnuradio-examples/python/digital/limbo/qpsk_usrp_tester.py b/gnuradio-examples/python/digital/limbo/qpsk_usrp_tester.py
deleted file mode 100644
index bf7698a2b..000000000
--- a/gnuradio-examples/python/digital/limbo/qpsk_usrp_tester.py
+++ /dev/null
@@ -1,103 +0,0 @@
-#!/usr/bin/env python
-
-import random
-from gnuradio import gr, gru, usrp
-
-default_access_code = '\xAC\xDD\xA4\xE2\xF2\x8C\x20\xFC'
-
-def string_to_1_0_list(s):
-    r = []
-    for ch in s:
-        x = ord(ch)
-        for i in range(8):
-            t = (x >> i) & 0x1
-            r.append(t)
-
-    return r
-
-def to_1_0_string(L):
-    return ''.join(map(lambda x: chr(x + ord('0')), L))
-
-code = string_to_1_0_list(default_access_code)
-
-access_code = to_1_0_string(code)
-
-def main():
-
-    fg = gr.flow_graph()
-    f_rf = 5e6
-    fs = 400e3
-    sr = 100e3
-    alpha = 0.5
-    M = 4
-    k = int(gru.log2(M))
-    
-    # Source
-    src = usrp.source_c ()
-    adc_rate = src.adc_rate()
-    usrp_decim = int(adc_rate / fs)
-    src.set_decim_rate(usrp_decim)
-        
-    subdev_spec = usrp.pick_rx_subdevice(src)
-    subdev = usrp.selected_subdev(src, subdev_spec)
-    print "Using RX d'board %s" % (subdev.side_and_name(),)
-    src.set_mux(usrp.determine_rx_mux_value(src, subdev_spec))
-    src.tune(0, subdev, f_rf)
-        
-    g = subdev.gain_range()
-    subdev.set_gain(g[1])
-    subdev.set_auto_tr(True)
-        
-    print "USRP Decimation Rate = %d" % usrp_decim
-    print "RF Frequency = %d" % f_rf
-
-    agc = gr.multiply_const_cc(0.0025)
-        
-    # Downconverter
-    costas_alpha=0.005
-    beta = costas_alpha*costas_alpha*0.25
-    sync_loop = gr.costas_loop_cc(costas_alpha, beta, 0.05, -0.05, 0)
-
-    # Stage 2
-#    fs2 = 200e3
-#    D = int(fs / fs2)
-#    decimator = gr.keep_one_in_n(gr.sizeof_gr_complex, D)
-#    print "D = %d\nAfter decimator fs = %f" % (D, fs2)
-
-    # Demodulator
-    taps = gr.firdes.root_raised_cosine(1, fs, sr, alpha, 45)
-    rrc  = gr.fir_filter_ccf(1, taps)
-    
-    # Sampler
-    mu = 0.01
-    omega = 4.3
-    gain_mu = 0.05
-    gain_omega = 0.25*gain_mu*gain_mu
-    omega_rel_limit = 0.5
-    clock_sync = gr.clock_recovery_mm_cc(omega, gain_omega, mu,
-                                         gain_mu, omega_rel_limit)
-    clock_sync.set_verbose(False)
-
-    diff_phasor = gr.diff_phasor_cc()
-
-    threshold = 12
-    constellation = (1+0j, 0+1j, -1+0j, 0-1j)
-    slicer = gr.constellation_decoder_cb((constellation), (0,1,2,3))
-    unpack = gr.unpack_k_bits_bb(k)
-    access = gr.correlate_access_code_bb(access_code,threshold)
-
-    test = gr.file_sink(gr.sizeof_gr_complex, 'test.dat')
-    sink = gr.file_sink(gr.sizeof_char, 'output.dat')
-
-    fg.connect(src, agc, sync_loop, rrc, clock_sync)
-    fg.connect(clock_sync, diff_phasor, slicer, unpack, access, sink)
-
-    fg.connect(slicer, gr.file_sink(gr.sizeof_char, 'chunks.dat'))
-    fg.connect(unpack, gr.file_sink(gr.sizeof_char, 'unpack.dat'))
-    fg.connect(clock_sync, gr.file_sink(gr.sizeof_gr_complex, 'phasor.dat'))
-
-    fg.start()
-    fg.wait()
-
-if __name__ == "__main__":
-    main()