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Merge remote-tracking branch 'jenda/master'

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This commit is contained in:
Marek Sebera 2016-09-05 14:31:08 +02:00
commit 4ff53b8822
6 changed files with 209 additions and 13 deletions
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7
src/demod/python/osmosdr-tetra_demod_fft.py
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@ -40,6 +40,7 @@ class top_block(grc_wxgui.top_block_gui):
self.ifreq = options.frequency
self.rfgain = options.gain
self.offset = options.frequency_offset
self.src = osmosdr.source(options.args)
self.src.set_center_freq(self.ifreq)
@ -173,8 +174,8 @@ class top_block(grc_wxgui.top_block_gui):
if abs(x / (sample_rate / 2)) > 0.9:
set_ifreq(self.ifreq + x / 2)
else:
sys.stderr.write("coarse tuned to: %d Hz\n" % x)
self.offset = -x
sys.stderr.write("coarse tuned to: %d Hz => %d Hz\n" % (self.offset, (self.ifreq + self.offset)))
self.tuner.set_center_freq(self.offset)
self.scope = fftsink2.fft_sink_c(self.Main.GetPage(0).GetWin(),
@ -195,7 +196,7 @@ class top_block(grc_wxgui.top_block_gui):
def fftsink2_callback2(x, y):
self.offset = self.offset - (x / 10)
sys.stderr.write("fine tuned to: %d Hz\n" % self.offset)
sys.stderr.write("fine tuned to: %d Hz => %d Hz\n" % (self.offset, (self.ifreq + self.offset)))
self.tuner.set_center_freq(self.offset)
self.scope2 = fftsink2.fft_sink_c(self.Main.GetPage(1).GetWin(),
@ -240,6 +241,8 @@ def get_options():
help="set receiver sample rate (default 1800000)")
parser.add_option("-f", "--frequency", type="eng_float", default=394.4e6,
help="set receiver center frequency")
parser.add_option("-F", "--frequency-offset", type="eng_float", default=0,
help="set receiver offset frequency")
parser.add_option("-g", "--gain", type="eng_float", default=None,
help="set receiver gain")