def __init__ (self):
# set up fg
gr.top_block.__init__(self)
parser = OptionParser(option_class=eng_option)
parser.add_option("-I", "--inputfile", type="string", default="cfile",
help="Input filename")
(options, args) = parser.parse_args()
ifile = options.inputfile
sample_rate = 400e3
ampl = 0.1
file_src = blocks.file_source(8, ifile, False)
#taps = filter.firdes.low_pass(1, sample_rate, 70e3, 10e3)
taps = filter.firdes.band_pass(1, sample_rate, 67.7033e3-18e3, 67.7033e3+18e3, 10e3)
detect = fchdetection.detect(taps)
dst = blocks.vector_sink_c()
self.connect(file_src, detect)
self.connect(detect, dst)
def test_001_t (self):
# set up fg
sample_rate = 280e3
ampl = 0.1
file_src = blocks.file_source(8, "/home/hzhua/gr_learn/gr-fchdetection/python/943.125_300kHz.cfile", False)
#src0 = analog.sig_source_c(sample_rate, analog.GR_SIN_WAVE, 60e3, 1.0)
#src1 = analog.noise_source_c(analog.GR_GAUSSIAN, 0.3)
add = blocks.add_cc();
taps = filter.firdes.low_pass(1, sample_rate, 70e3, 10e3)
detect = fchdetection.detect(taps)
#dst = file.sink(sample_rate, "")fff
dst = blocks.vector_sink_c()
#dst= fftsink2.fft_sink_c(panel, title="FFT display", fft_size=512, sample_rate=sample_rate)
#dst = qtgui.sink_c(512, gr.firdes.WIN_BLACKMAN_hARRIS)
#self.tb.connect(src0, (add,0));
#self.tb.connect(src1, (add,1));
self.tb.connect(file_src, detect)
#self.tb.connect(add, detect)
self.tb.connect(detect, dst)
self.tb.run ()