| 
 
| 1、接收所有数据 
 /* 此处id2都为0,不进行id校验,接收所有数据*/
 static void CAN_Filter_Config(void)
 
 {
 
 FDCAN_FilterTypeDef sFilterConfig1;
 
 
 /* Configure Rx filter */
 
 sFilterConfig1.IdType = FDCAN_STANDARD_ID;
 
 sFilterConfig1.FilterIndex = 0;
 
 sFilterConfig1.FilterType = FDCAN_FILTER_MASK;
 
 sFilterConfig1.FilterConfig = FDCAN_FILTER_TO_RXFIFO0;
 
 sFilterConfig1.FilterID1 = 0x111;
 
 sFilterConfig1.FilterID2 = 0x000; /* For acceptance, MessageID and FilterID1 must match exactly */
 
 HAL_FDCAN_ConfigFilter(&hfdcan1, &sFilterConfig1);
 
 }
 
 2、只接受单个id
 
 /*此处只接收ID为“123”的can数据 */
 
 static void CAN_Filter_Config(void)
 
 {
 
 FDCAN_FilterTypeDef sFilterConfig1;
 
 /* Configure Rx filter */
 
 sFilterConfig1.IdType = FDCAN_STANDARD_ID;
 
 sFilterConfig1.FilterIndex = 0;
 
 sFilterConfig1.FilterType = FDCAN_FILTER_MASK;
 
 sFilterConfig1.FilterConfig = FDCAN_FILTER_TO_RXFIFO0;
 
 sFilterConfig1.FilterID1 = 0x123;
 
 sFilterConfig1.FilterID2 = 0x7FF; /* For acceptance, MessageID and FilterID1 must match exactly */
 
 HAL_FDCAN_ConfigFilter(&hfdcan1, &sFilterConfig1);
 
 }
 
 3、接收两个id
 
 /*此处接收ID为“123”及“456”的can数据 */
 
 static void CAN_Filter_Config(void)
 
 {
 
 FDCAN_FilterTypeDef sFilterConfig1;
 
 /* Configure Rx filter */
 
 sFilterConfig1.IdType = FDCAN_STANDARD_ID;
 
 sFilterConfig1.FilterIndex = 0;
 
 sFilterConfig1.FilterType = FDCAN_FILTER_DUAL;
 
 sFilterConfig1.FilterConfig = FDCAN_FILTER_TO_RXFIFO0;
 
 sFilterConfig1.FilterID1 = 0x123;
 
 sFilterConfig1.FilterID2 = 0x456; /* For acceptance, MessageID and FilterID1 must match exactly */
 
 HAL_FDCAN_ConfigFilter(&hfdcan1, &sFilterConfig1);
 
 }
 
 4、接收一定范围的id
 
 /*此处接收ID在“111”~“666”之间的can数据 */
 
 static void CAN_Filter_Config(void)
 
 {
 
 FDCAN_FilterTypeDef sFilterConfig1;
 
 /* Configure Rx filter */
 
 sFilterConfig1.IdType = FDCAN_STANDARD_ID;
 
 sFilterConfig1.FilterIndex = 0;
 
 sFilterConfig1.FilterType = FDCAN_FILTER_RANGE;
 
 sFilterConfig1.FilterConfig = FDCAN_FILTER_TO_RXFIFO0;
 
 sFilterConfig1.FilterID1 = 0x111;
 
 sFilterConfig1.FilterID2 = 0x666; /* For acceptance, MessageID and FilterID1 must match exactly */
 
 HAL_FDCAN_ConfigFilter(&hfdcan1, &sFilterConfig1);
 
 }
 
 5、接收特定规则的id
 
 /*
 FilterType 类型配置为 FDCAN_FILTER_MASK 表示经典的位屏蔽过滤。
 FilterID1 = filter 表示 ID。
 FilterID2 = mask 表示 ID 屏蔽位,mask 每个 bit 含义:
 0: 表示 FilterID1 相应 bit 不关心,该位不用于比较。
 1: 表示 FilterID1 相应 bit 必须匹配,即接收到的 ID 位必须与 FilterID1 的相应位一致。
 我们这里 FilterID1 = 0x200,bit “1 0 0 0 0 0 0 0 0 0”
 FilterID2 = 0x300 ,bit “1 1 0 0 0 0 0 0 0 0”
 表示接收Id bit9必须为1,bit8必须为0,其他bit0~bit7不受限制。也就是接收0x200~0x300之间的数据
 */
 
 static void CAN_Filter_Config(void)
 
 {
 
 FDCAN_FilterTypeDef sFilterConfig1;
 
 /* Configure Rx filter */
 
 sFilterConfig1.IdType = FDCAN_STANDARD_ID;
 
 sFilterConfig1.FilterIndex = 0;
 
 sFilterConfig1.FilterType = FDCAN_FILTER_MASK;
 
 sFilterConfig1.FilterConfig = FDCAN_FILTER_TO_RXFIFO0;
 
 sFilterConfig1.FilterID1 = 0x200;
 
 sFilterConfig1.FilterID2 = 0x300; /* For acceptance, MessageID and FilterID1 must match exactly */
 
 HAL_FDCAN_ConfigFilter(&hfdcan1, &sFilterConfig1);
 
 }
 
 ————————————————
 
 版权声明:本文为博主原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。
 
 原文链接:https://blog.csdn.net/zhuimeng_ruili/article/details/134854662
 
 
 | 
 |