STM32F103RB BxCAN通信[已关闭]

// 示例代码：CAN初始化
void CAN_Init(void) {
    // 使能CAN时钟
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE);

    // 配置CAN引脚
    GPIO_InitTypeDef GPIO_InitStructure;
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOB, &GPIO_InitStructure);

    // 配置CAN寄存器
    CAN_InitTypeDef CAN_InitStructure;
    CAN_InitStructure.CAN_TTCM = DISABLE;
    CAN_InitStructure.CAN_ABOM = ENABLE;
    CAN_InitStructure.CAN_AWUM = ENABLE;
    CAN_InitStructure.CAN_NART = DISABLE;
    CAN_InitStructure.CAN_RFLM = DISABLE;
    CAN_InitStructure.CAN_TXFP = DISABLE;
    CAN_InitStructure.CAN_Mode = CAN_Mode_Normal;
    CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;
    CAN_InitStructure.CAN_BS1 = CAN_BS1_13tq;
    CAN_InitStructure.CAN_BS2 = CAN_BS2_2tq;
    CAN_InitStructure.CAN_Prescaler = 16;
    CAN_Init(CAN1, &CAN_InitStructure);

    // 使能CAN接收中断
    CAN_ITConfig(CAN1, CAN_IT_FMP0, ENABLE);

    // 使能CAN
    CAN_Cmd(CAN1, ENABLE);
}

// 示例代码：发送CAN数据
void CAN_SendData(uint8_t *data, uint8_t length) {
    CAN_TxMessageTypeDef TxMessage;
    TxMessage.StdId = 0x123;
    TxMessage.ExtId = 0x01;
    TxMessage.RTR = CAN_RTR_Data;
    TxMessage.IDE = CAN_Id_Standard;
    TxMessage.DLC = length;
    TxMessage.Data[0] = data[0];
    TxMessage.Data[1] = data[1];
    // ... 其他数据字节
    CAN_Transmit(CAN1, &TxMessage);
}