数据字段

typedef union
{
    uint8_t byte;
    struct
    {
        unsigned I2T_FLT : 1;
        unsigned LPM_FLT : 1;
        unsigned CHAN_TSD : 1;
        unsigned ILIMIT_FLT : 1;
        unsigned SHRT_VBB_FLT : 1;
        unsigned OL_FLT : 1;
        unsigned SUPPLY_FLT : 1;
        unsigned GLOBAL_ERR_WRN : 1;
    } bits;
} tHCSResponseCode;