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49 lines
1.1 KiB
49 lines
1.1 KiB
#!/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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import datetime
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from scipy.io import wavfile
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# this script captures lightnings and stores them to npy files
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# ADC channel 1 -> 100n -> o -> long wire (antenna)
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# |
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# '-> 10k -> GND
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led = None
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def capture(tr):
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now=datetime.datetime.now()
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now.isoformat()
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data = tr.data
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print("Capture! ")
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print(data)
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np.save("lightnings/lightning-%s"%now.isoformat(), data)
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led.pulse_ms(1000, confirm=False)
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with gex.Client(gex.TrxRawUSB()) as client:
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adc = gex.ADC(client, 'adc')
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led = gex.DOut(client, 'led')
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adc.set_sample_rate(60000)
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adc.on_trigger(capture)
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adc.setup_trigger(1,
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level=2600,
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count=5000,
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edge='rising',
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pretrigger=500,
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holdoff=500,
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auto=True)
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adc.arm()
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sec = 0
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while True:
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print('%d s' % sec)
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sec += 1
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time.sleep(1)
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