rt_thread studio 如何使用can过滤

    struct rt_can_filter_item items[1] =
    {
        RT_CAN_FILTER_ITEM_INIT(0x03000000, 1, 0, 1, (0x03000000 << 16), 0, RT_NULL), /* id,扩展帧，数据帧,掩码模式，match ID:0x0300xxxx，hdr 为 - 1 */
    };
    struct rt_can_filter_config cfg = {1, 1, items};