stm32的can还回模式，数据发送接受速率
自发自收，设置发送速率为36M/((1+3+4)*1)=36/8,那接收速率是多少？如果把发送速率降低，接收到数据时，发送数据没有发送完，CAN_InitStructure.CAN_TTCM = DISABLE;
CAN_InitStructure.CAN_ABOM = DISABLE;
CAN_InitStructure.CAN_AWUM = DISABLE;
CAN_InitStructure.CAN_NART = DISABLE;
CAN_InitStructure.CAN_RFLM = DISABLE;
CAN_InitStructure.CAN_TXFP = DISABLE;
CAN_InitStructure.CAN_Mode = CAN_Mode_LoopBack;
CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;
CAN_InitStructure.CAN_BS1 = CAN_BS1_3tq;
CAN_InitStructure.CAN_BS2 = CAN_BS2_4tq;
CAN_InitStructure.CAN_Prescaler =1; //不能为零
CAN_Init(CAN1,&CAN_InitStructure);
RE:stm32的can还回模式，数据发送接受速率
接受和发送的速率是一样的。你这样设置的是CAN模块的速率。RE:stm32的can还回模式，数据发送接受速率
接受硬件缓冲的，你这中情况不会出现的。只有完整的接受到一帧数据，CAN才会通知你已经收到数据。
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