49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
import serial
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import itertools
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import sys
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import select
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# Define the possible serial settings
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baud_rates = [i for i in range(10000, 13000, 200)]#[9600, 19200, 38400]
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baud_rates = [11200]
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data_bits = [serial.FIVEBITS, serial.SIXBITS, serial.SEVENBITS, serial.EIGHTBITS]
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data_bits = [serial.EIGHTBITS]
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#stop_bits = [serial.STOPBITS_ONE, serial.STOPBITS_ONE_POINT_FIVE, serial.STOPBITS_TWO]
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stop_bits = [serial.STOPBITS_ONE]
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parity = [serial.PARITY_NONE, serial.PARITY_EVEN, serial.PARITY_ODD, serial.PARITY_MARK, serial.PARITY_SPACE]
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#parity = [serial.PARITY_NONE]
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# Define the serial port to test
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port = '/dev/serial0'
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# Try all possible combinations of settings
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for baudrate, databits, stopbits, paritybit in itertools.product(baud_rates, data_bits, stop_bits, parity):
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i = 0
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try:
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# Open the serial port with the current settings
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ser = serial.Serial(port=port, baudrate=baudrate, bytesize=databits, stopbits=stopbits, parity=paritybit)
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# Print the successful settings
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print(f"Success! Baudrate: {baudrate}, Databits: {databits}, Stopbits: {stopbits}, Parity: {paritybit}")
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while True:
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if sys.stdin in select.select([sys.stdin], [], [], 0)[0]:
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# Wait for the user to press a key
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input_char = sys.stdin.read(1)
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break
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if ser.in_waiting > 0:
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# Read and print the received data
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data = ser.read(ser.in_waiting)
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c = bin(int.from_bytes(data, byteorder="big"))
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print(f"{i}: Received data: {data} chr: \"{c}\"")
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i += 1
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# Close the serial port
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ser.close()
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except serial.SerialException as e:
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print(e)
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# Ignore exceptions and continue with the next settings
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pass
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