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33 lines
1 KiB
Python
33 lines
1 KiB
Python
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# For serial (including USB-to-serial) interfaces:
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# https://pyserial.readthedocs.io/en/latest/pyserial.html
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# Install pyserial library:
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# python -m pip install pyserial
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# List ports:
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# python -m serial.tools.list_ports
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import serial # the pyserial
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from serial.tools.list_ports import comports
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from time import sleep
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if __name__ == "__main__":
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nFail=0
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print("Testing hardwareInterface...")
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print('Available ports:')
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ports = []
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for n, (port, desc, hwid) in enumerate(sorted(comports()), 1):
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print('{:2}: {:20} {!r}'.format(n, port, desc))
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ports.append(port)
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if (len(ports)<1):
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print("no ports, we cannot test anything.")
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exit()
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print("ok, we take the first port, " + ports[0])
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ser = serial.Serial(ports[0], 19200, timeout=0)
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for i in range(0, 5):
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ser.write(b'hello world\n')
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sleep(0.5)
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s = ser.read(100)
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if (len(s)>0):
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print(str(len(s)) + " bytes received: " + str(s, 'utf-8'))
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ser.close()
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print("finished.")
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