Init.TransmitFifoPriority = DISABLE; // 优先级由报文标识符决定 if (HAL_CAN_Init(&hcan) != HAL_OK) { Error_Handler(); } } 1.1.3 CAN滤波器设置 CAN滤波器的主要作用是筛选CAN接收的数据,只有满足设定规则的数据才会被接收,否则会被过滤掉。 参考代码: void CAN_Config(void) { CAN_Filter...
Example7.1-CAN LoopBack Mode.rar (493.79 KB) 到此时说明如果大家只有一块CAN模块的时候学习可以告一个段落了,不过这个并不代表大家就已经掌握了 CAN 了,正真要掌握它,大家还是需要看大量的 CAN 部分的资料,参考手册部分的也是不够的,市面上有几本专门介绍现场总线和CAN总线的书,推荐大家买来经常翻翻看看,这...
软件可以通过对 CAN_MCR 寄存器的INRQ位清 '0',来请求从初始化模式进入正常模式,然后要等待硬件对 CAN_MSR 寄存器的 INAK 位置 '1' 的确认。在跟 CAN 总线取得同步,即在 CANRX 引脚上监测到 11 个连续的隐性位 (等效于总线空闲) 后,bxCAN 才能正常接收和发送报文。 不需要在初始化模式下进行过滤器初值...
* @param UartHandle: UART handle * @note This example shows a simple way to report end of IT Rx transfer, and * you can add your own implementation. * @retval None*/voidHAL_UART_RxCpltCallback(UART_HandleTypeDef *UartHandle) { receive_buffer[r_count++] =r_data;/*定时器计数器清零*/...
hcan.Init.TimeTriggeredMode = DISABLE; hcan.Init.AutoBusOff = DISABLE; hcan.Init.AutoWakeUp = DISABLE; hcan.Init.AutoRetransmission = DISABLE; hcan.Init.ReceiveFifoLocked = DISABLE; hcan.Init.TransmitFifoPriority = DISABLE; if (HAL_CAN_Init(&hcan) != HAL_OK) ...
STM32的can总线实验心得 (一) 工业现场总线 CAN 的基本介绍以及 STM32 的 CAN 模块简介首先通读手册中关于CAN的文档，必须精读。STM32F10xxx 参考手册Rev7V3.pdfhttp://www.mystm32.com/bbs/redirect.php?tid=255&goto=lastpost#lastpost需要精读的部分为 RCC 和 CAN 两个章节。为什么需要精读 RCC 呢？因...
{ /* Place your implementation of fputc here */ /* e.g. write a character to the EVAL_COM1 and Loop until the end of transmission */ HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xFFFF); return ch; } /* USER CODE END PD */ /* Private macro ---*/ /* USER CODE BE...
HAL_I2C_Master_Transmit works, HAL_I2C_Master_Tran... STM32 MCUs Products Secure Boot and Read Out Protection STM32 MCUs Products Find More Solutions Unanswered Threads Discrepancy in RCC_AHB4ENR Address for STM32H7A3RG... LWIP + FreeRTOS Ping Issues LPTIM2 not counting when clocked...
(x_2-x_1+1)*(y_2-y_1+1)*2;SetAddress(x_1,y_1,x_2,y_2);DC_Set();// 写数据boolflag=true;while(flag){uint16_tcurNum;if(num>maxNum){curNum=maxNum;num-=curNum;}else{flag=false;curNum=num;}HAL_SPI_Transmit_DMA(&hspi1,colors+idx*maxNum,curNum);idx+=1;HAL_Delay(...
The SPI HAL drivercanbe usedasfollows: (#) **Declare a SPI_HandleTypeDef handle structure**, for example:`SPI_HandleTypeDef hspi`; (#)**Initialize the SPIlow level resources** by implementing the `HAL_SPI_MspInit()` API:(##) **Enable the SPIx interface clock**(##) **SPI pins conf...