32 lines
886 B
Python
32 lines
886 B
Python
# SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
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# SPDX-License-Identifier: MIT
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import time
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import board
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import busio
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# baud rate for your device
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baud = 38400
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uart = busio.UART(board.TX, board.RX, baudrate=baud)
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print("Enter commands to send to the RS-232 device. Press Ctrl+C to exit.")
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while True:
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user_input = input("Please enter your command: ").strip()
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if user_input:
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# send the command with a telnet newline (CR + LF)
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uart.write((user_input + "\r\n").encode('ascii'))
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# empty buffer to collect the incoming data
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response_buffer = bytearray()
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# check for data
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time.sleep(1)
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while uart.in_waiting:
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data = uart.read(uart.in_waiting)
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if data:
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response_buffer.extend(data)
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# decode and print
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if response_buffer:
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print(response_buffer.decode('ascii'), end='')
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print()
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