2022-01-15 19:38:30 +08:00
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length = 16384
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2022-01-15 20:52:15 +08:00
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ADC_PERIOD = 12.5 # ns
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2022-01-15 19:38:30 +08:00
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import serial
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import numpy as np
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import matplotlib.pyplot as plt
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ser = serial.Serial('/dev/ttyUSB0', 115200, timeout=None)
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2022-01-15 20:52:15 +08:00
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# print(ser.name) # check which port was really used
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2022-01-15 19:38:30 +08:00
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buffer = ser.read(length);
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2022-01-15 20:52:15 +08:00
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x = [float(x)*ADC_PERIOD for x in range(length)]
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# print(x)
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y = []
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2022-01-15 19:38:30 +08:00
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for i in range(length):
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2022-01-15 20:52:15 +08:00
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y.append(np.int8(buffer[i]))
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# print(y)
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plt.plot(x, y)
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2022-01-15 19:38:30 +08:00
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plt.show()
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ser.close()
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