# tool/core/protocol.py
VERSION = {
    "min_protocol_version": 1,
    "max_protocol_version": 1,
    "current_protocol_version": None,
}

SYNC_SEQ = b'BUZZ'

ERRORS = {
    0x00: "NONE",
    0x01: "INVALID_COMMAND",
    0x02: "INVALID_PARAMETERS",
    0x03: "MISSING_PARAMETERS",

    0x10: "FILE_NOT_FOUND",
    0x11: "ALREADY_EXISTS",
    0x12: "NOT_A_DIRECTORY",
    0x13: "IS_A_DIRECTORY",
    0x14: "ACCESS_DENIED",
    0x15: "NO_SPACE",
    0x16: "FILE_TOO_LARGE",

    0x20: "IO_ERROR",
    0x21: "TIMEOUT",
    0x22: "CRC_MISMATCH",
    0x23: "TRANSFER_ABORTED",

    0x30: "NOT_SUPPORTED",
    0x31: "BUSY",
    0x32: "INTERNAL_ERROR",

    0x40: "NOT_IMPLEMENTED",
}

FRAME_TYPES = {
    'request': 0x01,

    'ack': 0x10,

    'response': 0x11,
    'stream_start': 0x12,
    'stream_chunk': 0x13,
    'stream_end': 0x14,
    'list_start': 0x15,
    'list_chunk': 0x16,
    'list_end': 0x17,

    'error': 0xFF,
}

COMMANDS = {
    'get_protocol_version': 0x00,
    'get_firmware_status': 0x01,
    'get_flash_info': 0x02,
    'confirm_fw': 0x03,
    'reboot': 0x04,

    'list_dir': 0x10,
    'crc_32': 0x11,
    'mkdir': 0x12,
    'rm': 0x13,
    'stat': 0x18,
    'rename': 0x19,

    'put_file': 0x20,
    'put_fw': 0x21,
    'get_file': 0x22,
    'put_tags': 0x24,
    'get_tags': 0x25,

    'play': 0x30,
    'stop': 0x31,

    'set_setting': 0x40,
    'get_setting': 0x41,
}