#!/usr/bin/env python3
import argparse
import time

import serial

from protocol_parser import ProtocolParser


def main():
    ap = argparse.ArgumentParser(description="FR-1.4 binary stream monitor")
    ap.add_argument("--port", default="/dev/ttyACM0")
    ap.add_argument("--baud", type=int, default=115200)
    ap.add_argument("--timeout", type=float, default=0.2)
    args = ap.parse_args()

    parser = ProtocolParser()

    with serial.Serial(args.port, args.baud, timeout=args.timeout) as ser:
        while True:
            data = ser.read(ser.in_waiting or 1)
            if not data:
                continue

            packets = parser.feed(data)
            st = parser.get_stats()

            for pkt in packets:
                # Одна строка на пакет + счётчик CRC ошибок
                print(
                    f"{pkt.timestamp_ms:010d}  "
                    f"rms_db={pkt.rms_db:+6.1f}  "
                    f"freq_hz={pkt.freq_hz:4d}  "
                    f"crc_err={st.crc_errors}"
                )

            time.sleep(0.001)


if __name__ == "__main__":
    main()