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"""Serial monitor."""
import argparse
import sys
import asyncio
import os
if os.name == "nt": # NT-based operating systems (Windows)
from serial.serialwin32 import Serial
elif os.name == "posix":
from serial.serialposix import Serial
else:
raise NotImplementedError(
"Sorry no implementation for your platform ({}) available."
.format(sys.platform)
)
async def read(port: str, baud_rate: int):
"""Reads a serial port."""
with Serial(port, baud_rate) as serial_port:
while(serial_port.is_open):
sys.stdout.buffer.write(serial_port.read())
sys.stdout.flush()
async def main():
"""Monitors serial output."""
parser = argparse.ArgumentParser(
description="A tool for monitoring a Arduino")
parser.add_argument(
"port", help="A serial device port e.g. /dev/ttyACM0 or com3")
parser.add_argument("baud_rate", help="The serial device baud rate")
args = parser.parse_args()
await read(args.port, args.baud_rate)
if __name__ == "__main__":
try:
asyncio.run(main())
except KeyboardInterrupt:
print("\nReceived keyboard interrupt. Exiting...")
exit(0)
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