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compute bin width from number of input bins

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This commit is contained in:
Michael Ossmann 2017-02-10 16:29:47 -07:00
parent 71ff6cd950
commit eef73719f0
1 changed files with 2 additions and 1 deletions
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qspectrumanalyzer/backend.py
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@ -314,8 +314,9 @@ class HackRFSweepThread(RtlPowerBaseThread):
"""Parse one buf of output from hackrf_sweep"""
(low_edge, high_edge, bin_width) = struct.unpack('QQI', buf[:20])
data = np.fromstring(buf[20:], dtype='<f4')
step = (high_edge - low_edge) / len(data)
x_axis = list(np.arange(low_edge, high_edge, bin_width))
x_axis = list(np.arange(low_edge + step/2, high_edge, step))
self.databuffer["x"].extend(x_axis)
for i in range(len(data)):
self.databuffer["y"].append(data[i])