初始化简单的啊，上程序，万事不求人:lol
int main(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
CAN_InitTypeDef CAN_InitStructure;
CAN_FilterInitTypeDef CAN_FilterInitStructure;
uint32_t i;
/* Enable the CAN controller interface clock*/
RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN, ENABLE);
/* Enable the clock for the CAN GPIOs */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
/* Connect the involved CAN pins to AF */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_4);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource12, GPIO_AF_4);
/* Configure these CAN pins in alternate function mode by calling */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
CAN_DeInit(CAN);
/* Initialise and configure the CAN */
CAN_InitStructure.CAN_ABOM = DISABLE;
CAN_InitStructure.CAN_AWUM = DISABLE;
CAN_InitStructure.CAN_NART = DISABLE;
CAN_InitStructure.CAN_RFLM = DISABLE;
CAN_InitStructure.CAN_TTCM = DISABLE;
CAN_InitStructure.CAN_TXFP = DISABLE;
CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;
CAN_InitStructure.CAN_BS1 = CAN_BS1_9tq;
CAN_InitStructure.CAN_BS2 = CAN_BS2_8tq;
CAN_InitStructure.CAN_Mode = CAN_Mode_LoopBack;
CAN_InitStructure.CAN_Prescaler = 10;
CAN_Init(CAN,&CAN_InitStructure);
/* CAN filter init "FIFO0" */
CAN_FilterInitStructure.CAN_FilterNumber = 0;
CAN_FilterInitStructure.CAN_FilterMode = CAN_FilterMode_IdMask;
CAN_FilterInitStructure.CAN_FilterScale = CAN_FilterScale_32bit;
CAN_FilterInitStructure.CAN_FilterIdHigh = 0;
CAN_FilterInitStructure.CAN_FilterIdLow = 0;
CAN_FilterInitStructure.CAN_FilterMaskIdHigh = 0x0000;
CAN_FilterInitStructure.CAN_FilterMaskIdLow = 0x0000;
CAN_FilterInitStructure.CAN_FilterFIFOAssignment = 0;
CAN_FilterInitStructure.CAN_FilterActivation = ENABLE;
CAN_FilterInit(&CAN_FilterInitStructure);
TxMessage.Data[0] = 0xAA;
TxMessage.DLC = 5;
TxMessage.ExtId = 0xAA;
TxMessage.IDE = CAN_ID_STD;
TxMessage.RTR = CAN_RTR_Data;
TxMessage.StdId = 0x155;
/* Infinite loop */
while (1)
{
i = 0xFFFFF;
CAN_Transmit(CAN,&TxMessage);
while(i--);
}
}
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楼主
能把初始化的发过来看看，到底哪里出错了
