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#!/bin/env python3
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import time
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import gex
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import numpy as np
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from matplotlib import pyplot as plt
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from scipy.io import wavfile
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with gex.Client(gex.TrxRawUSB()) as client:
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adc = gex.ADC(client, 'a')
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adc.set_active_channels([3])
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rate=500
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fs = adc.set_sample_rate(rate)
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count = 2000
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data = adc.capture(count)
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print("rx, %d samples" % len(data))
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data = np.add(data / 4096, -0.5)
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#
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if data is not None:
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# wavfile.write('file.wav', rate, data)
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# print("Ok")
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plt.plot(data, 'r.', lw=1)
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plt.show()
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else:
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print("Nothing rx")
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