mcp_dump_d74.py - CHIRP

New Model #4129 » mcp_dump_d74.py

Use the MCP protocol to get a dump of the settings memory - Angus Ainslie, 06/13/2020 10:23 AM

    
    #!/usr/bin/python3 

    import ast

    import serial

    import argparse

    import socket

    import select 

    import string

    import struct

    from time import sleep

    DEBUG=True

    parser = argparse.ArgumentParser(description='MCP dump the radio memories')

    parser.add_argument('device', nargs=1, help='radio serial port')

    START_MCP=b'0M PROGRAM\r'

    START_ACK=b'0M\r'

    STOP_MCP=b'E'

    STOP_ACK=b'\x06\r\x00'

    MCP_SUCCESS=b'\x06'

    MCP_FAIL=b'\x0f'

    #name table offset

    # 0x00010100

    OFFSET_ADDR=0x00010100

    args = parser.parse_args()

    def wait_serial(ser):

        timeout = 20

        while timeout > 0 :

            sleep(0.1)

            nbytes = ser.in_waiting

            if nbytes:

                data = ser.read(nbytes)

                #if DEBUG:

                #    print("Bytes %s" % data)

                return data

            timeout = timeout - 1

        return None

    ser = serial.Serial(str(args.device[0]), 9600)

    dump_file = open( "dumpfile.txt", 'wb' )

    ser.write(b'ID\r')

    print("ID %s", wait_serial(ser))

    ser.write(START_MCP)

    data = wait_serial(ser)

    print("Command %s data %s" % (START_MCP, data))

    for i in range( 0, int(0xffffff / 256)):

        addr2 = ((i * 256) >> 16) & 0xff

        addr1 = ((i * 256) >> 8) & 0xff

        addr0 = (i * 256) & 0xff

        print( "reading address %s %s %s" % (hex(addr2), hex(addr1), hex(addr0)))

        cmd = struct.pack('>cBBBB', b'R', addr2, addr1, addr0, 0)

        ser.write(cmd)

        data = wait_serial(ser) # get data

        ser.write(MCP_SUCCESS)

        status = ser.read(1)

        print("Command %s data %s status %s" % (cmd, data, status))

        dump_file.write( data[5:] )

    ser.write(STOP_MCP)

    data = wait_serial(ser)

    print("Command %s data %s" % (STOP_MCP, data))

    dump_file.close()

    ser.close()

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New Model #4129 » mcp_dump_d74.py