typedef struct
{
    uint32_t ExtId;  /*!< Specifies the extended identifier. This parameter can be a value between 0 to 0x1FFFFFFF. */

        uint8_t DLC;
        uint8_t Data[8]; /*!< Contains the data to be received. It ranges from 0 t  0xFF. */

} CanRxMessage;


请问Extid  DLC分别是什么意思？

此帖出自小平头技术问答