63 lines
1.7 KiB
Python
Executable File
63 lines
1.7 KiB
Python
Executable File
#! /usr/bin/env python3
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import argparse
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import sys
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import logging
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import serial
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logger = logging.getLogger(__name__)
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def main() -> int:
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# Handle program arguments
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ap = argparse.ArgumentParser(
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prog="kxlisten", description="Route inbound CW text to STDOUT"
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)
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ap.add_argument("--stop", help="Stop listening", action="store_true")
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ap.add_argument("--device", "-d", help="Serial device", default="/dev/ttyUSB0")
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ap.add_argument("--baud", "-b", help="Serial baud rate", default=38400, type=int)
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ap.add_argument(
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"-v", "--verbose", help="Enable verbose logging", action="store_true"
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)
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args = ap.parse_args()
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# Configure logging
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logging.basicConfig(
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level=logging.DEBUG if args.verbose else logging.INFO,
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format="%(levelname)s: %(message)s",
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stream=sys.stderr,
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)
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# Connect to the radio
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logger.debug(f"Connecting to radio: {args.device}")
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serial_conn = serial.Serial(args.device, args.baud)
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# Handle stopping
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if args.stop:
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cmd = "TT0;"
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logger.debug(f"Sending command: {cmd}")
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serial_conn.write(cmd.encode("ascii"))
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return 0
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# Otherwise, start listening
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cmd = "TT1;"
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logger.debug(f"Sending command: {cmd}")
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serial_conn.write(cmd.encode("ascii"))
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# Listen for text
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try:
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while True:
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next_char = serial_conn.read().decode("ascii")
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print(next_char, end="")
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sys.stdout.flush()
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except KeyboardInterrupt:
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logger.info("Stopping")
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cmd = "TT0;"
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logger.debug(f"Sending command: {cmd}")
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serial_conn.write(cmd.encode("ascii"))
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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