enum register_names {
    STATE =         0x00,
    V_IN =          0x01,
    V_OUT =         0x02,
    T_CURR =        0x03,
    T_MIN =         0x04,
    T_MIN_SETTING = 0x05,
    TEST_PERIOD =   0x06,
    TEST_V_BEGIN =  0x07,
    TEST_V_END =    0x08,
    TEST_PROCESS =  0x09,
    OFF_TIMEOUT =   0x0a,
    OFF_PROCESS =   0x0b,
    WDT_TIMEOUT =   0x0c,
    WDT_REFRESH =   0x0d,
    PDT_REMAINS =   0x0e,
    WDT_REMAINS =   0x0f,
    TEST_REMAINS =  0x10,
    RESET =         0x11,
    LAST_ELEMENT =  0x12
};