can可以发数据但不能接收数据

漩沐

用的是f103rct6的最小系统，可以发送数据但是不能接收数据是为什么，配置检查过了应该没有问题的。
GPIO_InitTypeDef   GPIO_InitStructure;
CAN_InitTypeDef         CAN_InitStructure;
CAN_FilterInitTypeDef   CAN_FilterInitStructure;
//#if CAN_RX0_INT_ENABLE
NVIC_InitTypeDef    NVIC_InitStructure;
//#endif
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOB, ENABLE);                         /* CAN1 Ä£¿éʱÖÓʹÄÜ */

RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE);   
/* Configure CAN pin: RX */ // PB8  
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;  
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;  
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;  // ÉÏÀ­ÊäÈë  
GPIO_Init(GPIOB, &GPIO_InitStructure);   
/* Configure CAN pin: TX */   // PB9  
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; // ¸´ÓÃÍÆÍìÊä³ö  
GPIO_Init(GPIOB, &GPIO_InitStructure);   

GPIO_PinRemapConfig(GPIO_Remap1_CAN1, ENABLE);                                 //这边是后来用复用管脚看看有没有用的，但是也不可以。

// RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);//ʹÄ&UumlORTAʱÖÓ                                
// GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
// GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
// GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //¸´ÓÃÍÆÍì
// GPIO_Init(GPIOA, &GPIO_InitStructure);   //³õʼ»¯IO
// GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
// GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //ÉÏÀ­ÊäÈë
// GPIO_Init(GPIOA, &GPIO_InitStructure);   //³õʼ»¯IO
//
// RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE);//ʹÄÜCAN1ʱÖÓ
NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn;//CAN1_SCE_IRQn\CAN1_RX1_IRQn\USB_LP_CAN1_RX0_IRQn\USB_HP_CAN1_TX_IRQn
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;     // Ö÷ÓÅÏȼ¶Îª1
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;            // ´ÎÓÅÏȼ¶Îª0
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = USB_HP_CAN1_TX_IRQn;//CAN1_SCE_IRQn\CAN1_RX1_IRQn\USB_LP_CAN1_RX0_IRQn\USB_HP_CAN1_TX_IRQn
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;     // Ö÷ÓÅÏȼ¶Îª1
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;            // ´ÎÓÅÏȼ¶Îª0
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
  CAN_DeInit(CAN1);
    CAN_StructInit(&CAN_InitStructure);
   
//CANµ¥ÔªÉèÖÃ
CAN_InitStructure.CAN_TTCM=DISABLE;   //·Çʱ¼ä´¥·¢Í¨ÐÅģʽ  
CAN_InitStructure.CAN_ABOM=ENABLE;   //Èí¼þ×Ô¶¯ÀëÏß¹ÜÀí  FG
CAN_InitStructure.CAN_AWUM=DISABLE;   //˯Ãßģʽͨ¹ýÈí¼þ»½ÐÑ(Çå³ýCAN->MCRµÄSLEEPλ)
CAN_InitStructure.CAN_NART=DISABLE;   //½ûÖ¹±¨ÎÄ×Ô¶¯´«ËÍ FG
CAN_InitStructure.CAN_RFLM=DISABLE;    //±¨ÎIJ»Ëø¶¨,еĸ²¸Ç¾ÉµÄ  
CAN_InitStructure.CAN_TXFP=DISABLE;   //ÓÅÏȼ¶Óɱ¨Îıêʶ·û¾ö¶¨
CAN_InitStructure.CAN_Mode= mode;         //ģʽÉèÖ㺠mode:0,ÆÕͨģʽ;1,»Ø»·Ä£Ê½;
//ÉèÖò¨ÌØÂÊ
CAN_InitStructure.CAN_SJW=tsjw;    //ÖØÐÂͬ²½ÌøÔ¾¿í¶È(Tsjw)Ϊtsjw+1¸öʱ¼äµ¥Î»  CAN_SJW_1tq  CAN_SJW_2tq CAN_SJW_3tq CAN_SJW_4tq
CAN_InitStructure.CAN_BS1=tbs1;    //Tbs1=tbs1+1¸öʱ¼äµ¥Î»CAN_BS1_1tq ~CAN_BS1_16tq
CAN_InitStructure.CAN_BS2=tbs2;    //Tbs2=tbs2+1¸öʱ¼äµ¥Î»CAN_BS2_1tq ~ CAN_BS2_8tq
CAN_InitStructure.CAN_Prescaler=brp;        //·ÖƵϵÊý(Fdiv)Ϊbrp+1
CAN_Init(CAN1, &CAN_InitStructure);         //³õʼ»¯CAN1
CAN_FilterInitStructure.CAN_FilterNumber=0; //¹ýÂËÆ÷0
CAN_FilterInitStructure.CAN_FilterMode=CAN_FilterMode_IdMask;  //ÆÁ±Îλģʽ
CAN_FilterInitStructure.CAN_FilterScale=CAN_FilterScale_32bit;  //32λ¿í
CAN_FilterInitStructure.CAN_FilterIdHigh=0x0000; //32λID
CAN_FilterInitStructure.CAN_FilterIdLow=0x0000;
CAN_FilterInitStructure.CAN_FilterMaskIdHigh=0x0000;//32λMASK
CAN_FilterInitStructure.CAN_FilterMaskIdLow=0x0000;
CAN_FilterInitStructure.CAN_FilterFIFOAssignment=CAN_Filter_FIFO0;
CAN_FilterInitStructure.CAN_FilterActivation=ENABLE;
CAN_FilterInit(&CAN_FilterInitStructure);   

CAN_ITConfig(CAN1,CAN_IT_FMP0,ENABLE);   

CAN_ITConfig(CAN1,CAN_IT_TME,ENABLE);
//#if CAN_RX0_INT_ENABLE
CAN_ITConfig(CAN1,CAN_IT_TME,ENABLE);   
//#endif
return 0;

peng1554

帮顶~~

dictator123

同样的问题，顶一下