stm32f te can haberleşme problemi?

[koray692]

merhaba arkadaşlar normal modda iki stm kartını haberleştirmeye çalışıyorum kod aşşağıda ancak debug yaptığımda RxMessage.Data

• ya 0x58 yerleşiyor ve sonra hiç değişmiyor...derleyici olarak keil kullanıyorum. (mcp2551 kullandım)
  
  
  #include "stm32f4xx.h"   
  #include <stm32f4xx_rcc.h>
  #include <stm32f4xx_can.h>
  #include <stm32f4xx_gpio.h>
  
  #define CAN_GPIO_PORT GPIOD
  #define CAN_RX_SOURCE GPIO_PinSource0 //PD0
  #define CAN_TX_SOURCE GPIO_PinSource1 //PD1
  #define CAN_AF_PORT GPIO_AF_CAN1
  #define CANx CAN1
  
  void CanBusInit(void);
  
  CanTxMsg TxMessage;
  CanRxMsg RxMessage;
  
  int main()
  {
     int i=0;
     CanBusInit();
     
     TxMessage.StdId=0x321;
     TxMessage.ExtId=0x01;
     TxMessage.IDE=CAN_ID_STD;
     TxMessage.RTR=CAN_RTR_DATA;
     TxMessage.DLC=1;
     TxMessage.Data
• =0;
     
    CAN_ITConfig(CANx, CAN_IT_FMP0, ENABLE);
  
     
     CAN_Transmit(CANx,&TxMessage);
     CAN_Receive(CANx,CAN_FIFO0,&RxMessage);
     
  //   RxMessage.StdId=;
  //   RxMessage.ExtId=;
  //   RxMessage.IDE=;
  //   RxMessage.RTR=;
  //   RxMessage.DLC=;
  //   RxMessage.Data=;
  //   RxMessage.FMI=;
     
     while(1)
     {
        for(i=0;i<5000000;i++);
        CAN_Transmit(CANx,&TxMessage);
       CAN_Receive(CANx,CAN_FIFO0,&RxMessage);
        TxMessage.Data
• =RxMessage.Data[0]+1;
        if(RxMessage.Data[0]>5)
        {
           GPIO_WriteBit(GPIOD,GPIO_Pin_12|GPIO_Pin_13, Bit_SET);
           
        }
     }
     
  }
  
  void CanBusInit(void)
  {
     
      GPIO_InitTypeDef GPIO_InitStructure;
      CAN_InitTypeDef CAN_InitStructure;
      CAN_FilterInitTypeDef CANFilter_InitStructure;
      
      /* Enable GPIO clock */
     RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
     /* CAN configuration ********************************************************/
     /* Enable CAN clock */
     RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE);
     
     
     /* Connect CAN pins to AF9 */
     GPIO_PinAFConfig(CAN_GPIO_PORT, CAN_RX_SOURCE, CAN_AF_PORT);
     GPIO_PinAFConfig(CAN_GPIO_PORT, CAN_TX_SOURCE, CAN_AF_PORT);
  
     /* Configure CAN RX and TX pins */
     GPIO_InitStructure.GPIO_Pin = CAN_RX_SOURCE | CAN_TX_SOURCE;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
     GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
     GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
     GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
     GPIO_Init(CAN_GPIO_PORT, &GPIO_InitStructure);
  
     /* CAN register init */
     CAN_DeInit(CANx);
  
     /* CAN cell init */
     CAN_InitStructure.CAN_TTCM = DISABLE; // time-triggered communication mode = DISABLED
     CAN_InitStructure.CAN_ABOM = DISABLE; // automatic bus-off management mode = DISABLED
     CAN_InitStructure.CAN_AWUM = DISABLE; // automatic wake-up mode = DISABLED
     CAN_InitStructure.CAN_NART = ENABLE; // non-automatic retransmission mode = ENABLE (To prevent endless spam)
     CAN_InitStructure.CAN_RFLM = DISABLE; // receive FIFO locked mode = DISABLED
     CAN_InitStructure.CAN_TXFP = DISABLE; // transmit FIFO priority = DISABLED
     CAN_InitStructure.CAN_Mode = CAN_Mode_Normal;
     CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;
  
     /* CAN Baudrate */
     CAN_InitStructure.CAN_BS1 = CAN_BS1_14tq;
     CAN_InitStructure.CAN_BS2 = CAN_BS2_6tq;
     CAN_InitStructure.CAN_Prescaler = 4;
     CAN_Init(CANx, &CAN_InitStructure);
  
       CANFilter_InitStructure.CAN_FilterActivation = ENABLE;
        CANFilter_InitStructure.CAN_FilterNumber = 14;                                           
        CANFilter_InitStructure.CAN_FilterMode = CAN_FilterMode_IdMask;                 
        CANFilter_InitStructure.CAN_FilterScale = CAN_FilterScale_16bit;                 
        CANFilter_InitStructure.CAN_FilterIdHigh = 0x00;                                         
        CANFilter_InitStructure.CAN_FilterIdLow = 0x00;                                         
        CANFilter_InitStructure.CAN_FilterMaskIdHigh = 0x00;                                     
        CANFilter_InitStructure.CAN_FilterMaskIdLow = 0x00;                                     
        CANFilter_InitStructure.CAN_FilterFIFOAssignment = CAN_Filter_FIFO0;
        CAN_FilterInit(&CANFilter_InitStructure);
  }
  
  void Led_Init(){
     
       GPIO_InitTypeDef gpioStructure;
     
       RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
  
      gpioStructure.GPIO_Pin = GPIO_Pin_12|GPIO_Pin_13;
      gpioStructure.GPIO_Mode = GPIO_Mode_OUT;
      gpioStructure.GPIO_Speed = GPIO_Speed_50MHz;
      GPIO_Init(GPIOD, &gpioStructure);
  
      GPIO_WriteBit(GPIOD,GPIO_Pin_12|GPIO_Pin_13, Bit_RESET);
  }