def __init__(self, options):
gr.top_block.__init__(self)
self._src = gr.sig_source_c(options.samp_rate, gr.GR_SIN_WAVE,
200, 1)
self._snk = shd.smini_sink(device_addr=options.address,
io_type=shd.io_type.COMPLEX_FLOAT32,
num_channels=1)
# Set receiver sample rate
self._snk.set_samp_rate(options.samp_rate)
# Set receive daughterboard gain
if options.gain is None:
g = self._snk.get_gain_range()
options.gain = float(g.start()+g.stop())/2
print "Using mid-point gain of", \
options.gain, "(", g.start(), "-", g.stop(), ")"
self._snk.set_gain(options.gain)
# Set the antenna
if(options.antenna):
self._snk.set_antenna(options.antenna, 0)
# Set frequency (tune request takes lo_offset)
if(options.lo_offset is not None):
treq = shd.tune_request(options.freq, options.lo_offset)
else:
treq = shd.tune_request(options.freq)
tr = self._snk.set_center_freq(treq)
if tr == None:
sys.stderr.write('Failed to set center frequency\n')
raise SystemExit, 1
# Create head block if needed and wire it up
self.connect(self._src, self._snk)
input_rate = self._snk.get_samp_rate()
if options.verbose:
print "Address:", options.address
print "Rx gain:", options.gain
print "Rx baseband frequency:", n2s(tr.actual_rf_freq)
print "Rx DDC frequency:", n2s(tr.actual_dsp_freq)
print "Rx Sample Rate:", n2s(input_rate)
def __init__(self, options):
gr.top_block.__init__(self)
self._src = gr.sig_source_c(options.samp_rate, gr.GR_SIN_WAVE, 200, 1)
self._snk = shd.smini_sink(device_addr=options.address,
io_type=shd.io_type.COMPLEX_FLOAT32,
num_channels=1)
# Set receiver sample rate
self._snk.set_samp_rate(options.samp_rate)
# Set receive daughterboard gain
if options.gain is None:
g = self._snk.get_gain_range()
options.gain = float(g.start() + g.stop()) / 2
print "Using mid-point gain of", \
options.gain, "(", g.start(), "-", g.stop(), ")"
self._snk.set_gain(options.gain)
# Set the antenna
if (options.antenna):
self._snk.set_antenna(options.antenna, 0)
# Set frequency (tune request takes lo_offset)
if (options.lo_offset is not None):
treq = shd.tune_request(options.freq, options.lo_offset)
else:
treq = shd.tune_request(options.freq)
tr = self._snk.set_center_freq(treq)
if tr == None:
sys.stderr.write('Failed to set center frequency\n')
raise SystemExit, 1
# Create head block if needed and wire it up
self.connect(self._src, self._snk)
input_rate = self._snk.get_samp_rate()
if options.verbose:
print "Address:", options.address
print "Rx gain:", options.gain
print "Rx baseband frequency:", n2s(tr.actual_rf_freq)
print "Rx DDC frequency:", n2s(tr.actual_dsp_freq)
print "Rx Sample Rate:", n2s(input_rate)
def __init__(self, options, filename):
gr.top_block.__init__(self)
# Create a SHD device source
if options.output_shorts:
self._src = shd.smini_source(device_addr=options.address,
io_type=shd.io_type.COMPLEX_INT16,
num_channels=1)
self._sink = gr.file_sink(gr.sizeof_short * 2, filename)
else:
self._src = shd.smini_source(device_addr=options.address,
io_type=shd.io_type.COMPLEX_FLOAT32,
num_channels=1)
self._sink = gr.file_sink(gr.sizeof_gr_complex, filename)
# Set receiver sample rate
self._src.set_samp_rate(options.samp_rate)
# Set receive daughterboard gain
if options.gain is None:
g = self._src.get_gain_range()
options.gain = float(g.start() + g.stop()) / 2
print "Using mid-point gain of", \
options.gain, "(", g.start(), "-", g.stop(), ")"
self._src.set_gain(options.gain)
# Set the antenna
if (options.antenna):
self._src.set_antenna(options.antenna, 0)
# Set frequency (tune request takes lo_offset)
if (options.lo_offset is not None):
treq = shd.tune_request(options.freq, options.lo_offset)
else:
treq = shd.tune_request(options.freq)
tr = self._src.set_center_freq(treq)
if tr == None:
sys.stderr.write('Failed to set center frequency\n')
raise SystemExit, 1
# Create head block if needed and wire it up
if options.nsamples is None:
self.connect(self._src, self._sink)
else:
if options.output_shorts:
self._head = gr.head(gr.sizeof_short * 2,
int(options.nsamples))
else:
self._head = gr.head(gr.sizeof_gr_complex,
int(options.nsamples))
self.connect(self._src, self._head, self._sink)
input_rate = self._src.get_samp_rate()
if options.verbose:
print "Address:", options.address
print "Rx gain:", options.gain
print "Rx baseband frequency:", n2s(tr.actual_rf_freq)
print "Rx DDC frequency:", n2s(tr.actual_dsp_freq)
print "Rx Sample Rate:", n2s(input_rate)
if options.nsamples is None:
print "Receiving samples until Ctrl-C"
else:
print "Receving", n2s(options.nsamples), "samples"
if options.output_shorts:
print "Writing 16-bit complex shorts"
else:
print "Writing 32-bit complex floats"
print "Output filename:", filename
def __init__(self, options, filename):
gr.top_block.__init__(self)
# Create a SHD device source
if options.output_shorts:
self._src = shd.smini_source(device_addr=options.address,
io_type=shd.io_type.COMPLEX_INT16,
num_channels=1)
self._sink = gr.file_sink(gr.sizeof_short*2, filename)
else:
self._src = shd.smini_source(device_addr=options.address,
io_type=shd.io_type.COMPLEX_FLOAT32,
num_channels=1)
self._sink = gr.file_sink(gr.sizeof_gr_complex, filename)
# Set receiver sample rate
self._src.set_samp_rate(options.samp_rate)
# Set receive daughterboard gain
if options.gain is None:
g = self._src.get_gain_range()
options.gain = float(g.start()+g.stop())/2
print "Using mid-point gain of", \
options.gain, "(", g.start(), "-", g.stop(), ")"
self._src.set_gain(options.gain)
# Set the antenna
if(options.antenna):
self._src.set_antenna(options.antenna, 0)
# Set frequency (tune request takes lo_offset)
if(options.lo_offset is not None):
treq = shd.tune_request(options.freq, options.lo_offset)
else:
treq = shd.tune_request(options.freq)
tr = self._src.set_center_freq(treq)
if tr == None:
sys.stderr.write('Failed to set center frequency\n')
raise SystemExit, 1
# Create head block if needed and wire it up
if options.nsamples is None:
self.connect(self._src, self._sink)
else:
if options.output_shorts:
self._head = gr.head(gr.sizeof_short*2,
int(options.nsamples))
else:
self._head = gr.head(gr.sizeof_gr_complex,
int(options.nsamples))
self.connect(self._src, self._head, self._sink)
input_rate = self._src.get_samp_rate()
if options.verbose:
print "Address:", options.address
print "Rx gain:", options.gain
print "Rx baseband frequency:", n2s(tr.actual_rf_freq)
print "Rx DDC frequency:", n2s(tr.actual_dsp_freq)
print "Rx Sample Rate:", n2s(input_rate)
if options.nsamples is None:
print "Receiving samples until Ctrl-C"
else:
print "Receving", n2s(options.nsamples), "samples"
if options.output_shorts:
print "Writing 16-bit complex shorts"
else:
print "Writing 32-bit complex floats"
print "Output filename:", filename
