39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
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#!/usr/bin/env python3
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"""Print micrOBU LOG frames without participating in the station-link session."""
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from __future__ import annotations
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import argparse
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import time
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import serial
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from microbu_link.serial_transport import FrameDecoder, FrameType
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--port', required=True)
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parser.add_argument('--duration', type=float, default=15.0)
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parser.add_argument('--reset', action='store_true', help='pulse EN through USB Serial/JTAG before monitoring')
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args = parser.parse_args()
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port = serial.Serial(args.port, 115200, timeout=0.05, write_timeout=1)
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port.dtr = False
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port.rts = False
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if args.reset:
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port.rts = True
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time.sleep(0.1)
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port.rts = False
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decoder = FrameDecoder()
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deadline = time.monotonic() + args.duration
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try:
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while time.monotonic() < deadline:
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for frame_type, payload in decoder.feed(port.read(4096)):
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if frame_type == FrameType.LOG:
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print(payload.decode('utf-8', 'replace'), flush=True)
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finally:
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port.close()
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if __name__ == '__main__':
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main()
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