hardware/fw/reader.py


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#!/usr/bin/env python3

import struct

import sqlite3

import serial
from cobs import cobs

if __name__ == '__main__':
    import argparse

    parser = argparse.ArgumentParser()
    parser.add_argument('-b', '--baudrate', type=int, default=250000)
    parser.add_argument('port')
    parser.add_argument('dbfile')
    args = parser.parse_args()

    db = sqlite3.connect(args.db)
    ser = serial.Serial(args.port, args.baudrate)

    while True:
        packet = ser.read_until(b'\0')
        try:
            packet = cobs.decode(packet)
            crc, seq, struct.decode('IBxH', packet[:8])

        except Exception as e:
            print(e)