can_struct_para_init(CAN_RX_MESSAGE_STRUCT, &g_receive_message);} void MYCAN_Process(void){ ...
can_message_receive(CAN0, CAN_FIFO1, &can0_receive_message_fifo1);//将数据从FIFO中转移到接收寄存器组中 if((0x500 == can0_receive_message_fifo1.rx_sfid)&&(CAN_FF_STANDARD == can0_receive_message_fifo1.rx_ff)&&(2 == can0_receive_message_fifo1.rx_dlen)){ can0_receive_fifo1_fl...
/* check the receive message */ can_message_receive(CAN1, CAN_FIFO1, &gcan1_receive_message)...
can_message_receive(CAN0, CAN_FIFO1, &can0_receive_message_fifo1);//将数据从FIFO中转移到接收寄存器组中 if((0x500 == can0_receive_message_fifo1.rx_sfid)&&(CAN_FF_STANDARD == can0_receive_message_fifo1.rx_ff)&&(2 == can0_receive_message_fifo1.rx_dlen)){ can0_receive_fifo1_...
根据我们前面的配置,若CAN接收的报文经过筛选器匹配后会被存储到FIFO0中,并引起中断进入到这个中断服务函数中,在这个函数里我们调用了库函数CAN_Receive把报文从FIFO复制到自定义的接收报文结构体RxMessage中,并且比较了接收到的报文ID是否与我们希望接收的一致,若一致就设置标志flag=1,否则为0,通过flag标志通知主程序...
TransmitMailbox=CAN_Transmit(CAN1, &TxMessage); i = 0; while((CAN_TransmitStatus(CAN1, TransmitMailbox) != CANTXOK) && (i != 0xFFFF)) { i++; } i = 0; while((CAN_MessagePending(CAN1, CAN_FIFO0) < 1) && (i != 0xFFFF)) { i++; } /* receive */ RxMessage.StdId=0x...
在CanSendMessage任务获得信号量后进入就绪态,等待CPU的使用权进入运行态。进入运行态后,该任务使信号量减1并从消息队列中取出信息后通过I/O端口发送到CAN总线。CanReceiveMessage任务和CanReceive MessageProcess任务执行与上面相反的操作。这个实例说明了信号量用于标志某事件的发生。(见图2。)...
int ret = recvfrom(can1_socket_, &frame_raw, sizeof(frame_raw), 0, (struct sockaddr *)&can1_addr_, &receive_length); if (ret <= 0) { std::perror("receive nothing or receive message fail!"); } pthread_rwlock_unlock(&can1_socket_rwlock); ...
__IO uint32_t RDHR; /*!< CAN receive FIFO mailbox data high register */ }CAN_FIFOMailBox_TypeDef; /** * @brief Controller Area Network FilterRegister */ typedef struct { __IO uint32_t FR1; /*!< CAN Filter bank register 1 */ ...
//在终端中进行接收voidCAN2_RX0_IRQHandler(void) {if(CAN_GetITStatus(CAN2,CAN_IT_FMP0)==SET) {CAN_Receive(CAN2,CAN_FIFO0,&RxMessage); printf("RxMessage.StdId:%x\r\n",RxMessage.StdId); printf("RxMessage.ExtId:%x\r\n",RxMessage.ExtId); printf("RxMessage.IDE:%x\r\n",RxMess...