版主求助STM32F17USB通信死机 STM32死机，内部硬件看门狗也不复位
STM32\u7684CAN\u603b\u7ebf\u91c7\u7528\u4e2d\u65ad\u63a5\u6536\u7a0b\u5e8f\u4f1a\u6b7b\u5728\u4e2d\u65ad\u91cc\uff0c\u600e\u4e48\u56de\u4e8bcan\u603b\u7ebf\u7684\u63a5\u6536\u7a0b\u5e8f\u90fd\u662f\u653e\u5728\u4e2d\u65ad\u91cc\u9762\u7684\uff0c\u4e0b\u9762\u662f\u6211\u7684\u4e00\u6bb5\u63a5\u6536\u7a0b\u5e8f\u5e0c\u671b\u5bf9\u4f60\u6709\u542f\u53d1
void USB_LP_CAN1_RX0_IRQHandler(void) //CAN_FIFO0\u63a5\u6536\u4e2d\u65ad
{
CAN_RxMessage(&CAN_MessageStd); //\u63a5\u6536\u6570\u636e
CAN_FRAME_CACHE_Mark(); //\u7f13\u5b58\u6570\u636e
CAN_FIFORelease(CAN1,CAN_FIFO0); //\u6e05\u4e2d\u65ad\u6807\u5fd7
}
\u4f30\u8ba1\u4f60\u8981\u4e48\u662f\u6ca1\u6709\u6e05\u4e2d\u65ad\u6807\u5fd7\uff0c\u8981\u4e48\u662f\u63a5\u6536\u6570\u636e\u7684\u51fd\u6570\u5199\u7684\u4e0d\u5bf9\u3002
\u4f60\u505a\u4e86\u51e0\u5341\u5957\u901a\u4fe1\u677f\u7136\u540e\u6ca1\u6709\u6d4b\u8bd5\u5c31\u6295\u5165\u4f7f\u7528\u4e86\uff1f\u505a\u6cd5\u5b9e\u5728\u8d39\u89e3\uff01
\u770b\u95e8\u72d7\u8bf4\u662f\u7b80\u5355\uff0c\u4f46\u90a3\u662f\u5efa\u7acb\u5728\u770b\u95e8\u72d7\u914d\u7f6e\u6b63\u786e\u7684\u57fa\u7840\u4e0a\uff08\u6211\u6000\u7591\u4f60\u7684\u521d\u59cb\u5316\u914d\u7f6e\u5c31\u53ef\u80fd\u4e0d\u5bf9\u3002\uff09\uff0c\u53ea\u6709\u5728\u914d\u7f6e\u6b63\u786e\uff0c\u4f7f\u80fd\u4e86\u7684\u60c5\u51b5\u4e0b\u505c\u6b62\u5582\u72d7\u624d\u4f1a\u89e6\u53d1\u91cd\u542f\uff01\u68c0\u67e5\u6216\u8005\u7f51\u4e0a\u62ff\u73b0\u6210\u7684\u770b\u95e8\u72d7\u7a0b\u5e8f\u6d4b\u4e00\u4e0b\u53bb\u5427\u3002
只要都有串口通信，就可以控制。
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