1.0
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@@ -150,17 +150,30 @@ int main(void)
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/* Infinite loop */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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/* USER CODE BEGIN WHILE */
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static uint32_t last_heartbeat = 0;
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while (1)
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while (1)
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{
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{
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/* USER CODE END WHILE */
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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/* USER CODE BEGIN 3 */
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// 如果标志位被中断立起来了,说明有新数据
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// ==========================================
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if (can_rx_flag == 1) {
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// 强制打印 1:每隔 1 秒无条件打印一次(心跳包)
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can_rx_flag = 0; // 赶紧先把标志位清零,防止漏掉下一次
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// ==========================================
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if (HAL_GetTick() - last_heartbeat >= 1000) {
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last_heartbeat = HAL_GetTick();
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HAL_GPIO_TogglePin(GPIOE, GPIO_PIN_3);
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// 只要 USB 串口是好的,你就一定能每秒看到这句话!
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printf("System Running... Waiting for CAN...\r\n");
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}
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// 在主循环里悠哉游哉地通过 USB 打印,爱怎么耗时就怎么耗时
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// ==========================================
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printf("Got MSG! ID:0x%03lX Data: ", RxHeader.StdId);
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// 强制打印 2:原来的 CAN 接收处理逻辑
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// ==========================================
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if (can_rx_flag == 1) {
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can_rx_flag = 0; // 赶紧先把标志位清零
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// 加了超级醒目的感叹号,防止看漏
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printf("!!! BINGO !!! Got CAN MSG! ID:0x%03lX Data: ", RxHeader.StdId);
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for(int i = 0; i < RxHeader.DLC; i++) {
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for(int i = 0; i < RxHeader.DLC; i++) {
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printf("%02X ", RxData[i]);
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printf("%02X ", RxData[i]);
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}
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}
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