uart.zip_HAL_USART_hal uart_hal usart 中断_hal库 uart

/******************************************************************************** * @file UART/UART_TwoBoards_ComIT/Src/uart.c * @author jiahaoGao * @brief This sample code shows how to use UART HAL API to transmit * and receive a data buffer with a communication process based on * IT transfer. * The communication is done using 2 Boards. ******************************************************************************/ /* Includes ------------------------------------------------------------------*/ #include "main.h" #include "uart.h" #include "crc16.h" UART_HandleTypeDef UartHandle; UART_HandleTypeDef UartHandle2; UART_HandleTypeDef UartHandle6; uint8_t Usart1RxDataFlag; uint8_t Usart2RxDataFlag; uint8_t Usart6RxDataFlag; uint8_t Usart1RxData; uint8_t Usart2RxData; uint8_t Usart6RxData; static uint8_t Usart6RxDataBuffer[512]={0}; uint8_t Usart6RxBuffer[512]; uint8_t UART6SendBuffer[512]; uint16_t Rx6Counter=0; uint16_t usart6framtlength=0; uint16_t Usart6RxDataLength=0; uint32_t UsartReceive_ToSendIradData_Count=0; uint8_t IradSend_flag=0; uint8_t iradSend_Flag[4]={0}; uint8_t iradSend_Primary_Bufeer232[4][236]={0}; uint8_t iradSend_length[4]={0}; uint32_t iradReceive_count[4]={0xffffffff,0xffffffff,0xffffffff,0xffffffff}; uint8_t LearningCode_Flag = 0; uint8_t Rf433_Send_Usart1RxData_flag=0; uint8_t Rf433_Send_DataLength; uint8_t Send433Buffer[512]; static uint8_t Send433Buffer_Piecewise_stateData[10][230]={0}; uint8_t Send433Buffer_Piecewise[10][230]; uint8_t Rf433Rolling_code_Send_DataLength[10]; uint8_t Rf433_Send_format_Usart1RxData_flag=0; uint8_t Rolling_code_count=0; uint8_t Usart2RxBuffer[150]; uint8_t UART2SendBuffer[150]; static uint8_t Usart2RxDataBuffer[150]; uint8_t Usart2RxDataFlag=0; uint8_t usart2framtlength=0; uint8_t Rx2Counter; uint32_t UsrtCRCValue; uint32_t ChipUniqueID[2]={0x00000000,0x00000000}; uint8_t Upgrade_key[6]="ci09pq"; uint8_t firmware_update_Flag = 0; uint8_t tianqiaoUartReveic_Flag=0; void Get_ChipID(void) { /* 小端模式，低字节在前 */ ChipUniqueID[1] = *(__IO uint32_t *)(0x20003FE7); // 硬件软件版本 ChipUniqueID[0] = *(__IO uint32_t *)(0x20003FE3); // 硬件版本 } void USART1_Configuration(void)//串口初始化函数 { /*##-1- Configure the UART peripheral ######################################*/ UartHandle.Instance = USART1; UartHandle.Init.BaudRate = 115200; //BaudRate = 115200 baud UartHandle.Init.WordLength = UART_WORDLENGTH_8B; //Word Length = 8 Bits UartHandle.Init.StopBits = UART_STOPBITS_1; //Stop Bit = One Stop bit UartHandle.Init.Parity = UART_PARITY_NONE; UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; //Hardware flow control disabled (RTS and CTS signals) */ UartHandle.Init.Mode = UART_MODE_TX_RX; UartHandle.Init.OverSampling = UART_OVERSAMPLING_16; if(HAL_UART_DeInit(&UartHandle) != HAL_OK) { //Error_HandlerLed(); } if(HAL_UART_Init(&UartHandle) != HAL_OK) { // Error_HandlerLed(); } HAL_UART_Receive_IT(&UartHandle, &Usart1RxData, 1);//该函数会开启接收中断：标志位UART_IT_RXNE，并且设置接收缓冲以及接收缓冲接收最大数据� Usart1RxDataFlag=0; } void USART2_Configuration(void)//串口初始化函数 { /*##-1- Configure the UART peripheral ######################################*/ UartHandle2.Instance = USART2; UartHandle2.Init.BaudRate = 115200; //BaudRate = 115200 baud UartHandle2.Init.WordLength = UART_WORDLENGTH_8B; //Word Length = 8 Bits UartHandle2.Init.StopBits = UART_STOPBITS_1; //Stop Bit = One Stop bit UartHandle2.Init.Parity = UART_PARITY_NONE; UartHandle2.Init.HwFlowCtl = UART_HWCONTROL_NONE; //Hardware flow control disabled (RTS and CTS signals) UartHandle2.Init.Mode = UART_MODE_TX_RX; UartHandle2.Init.OverSampling = UART_OVERSAMPLING_16; if(HAL_UART_DeInit(&UartHandle2) != HAL_OK) { //Error_HandlerLed(); } if(HAL_UART_Init(&UartHandle2) != HAL_OK) { // Error_HandlerLed(); } HAL_UART_Receive_IT(&UartHandle2, &Usart2RxData, 1);//该函数会开启接收中断：标志位UART_IT_RXNE，并且设置接收缓冲以及接收缓冲接收最大数据� } void USART6_Configuration(void)//串口初始化函数 { /*##-1- Configure the UART peripheral ######################################*/ UartHandle6.Instance = USART6; UartHandle6.Init.BaudRate = 115200; //BaudRate = 115200 baud UartHandle6.Init.WordLength = UART_WORDLENGTH_8B; //Word Length = 8 Bits UartHandle6.Init.StopBits = UART_STOPBITS_1; //Stop Bit = One Stop bit UartHandle6.Init.Parity = UART_PARITY_NONE; UartHandle6.Init.HwFlowCtl = UART_HWCONTROL_NONE; //Hardware flow control disabled (RTS and CTS signals) UartHandle6.Init.Mode = UART_MODE_TX_RX; UartHandle6.Init.OverSampling = UART_OVERSAMPLING_16; if(HAL_UART_DeInit(&UartHandle6) != HAL_OK) { //Error_HandlerLed(); } if(HAL_UART_Init(&UartHandle6) != HAL_OK) { // Error_HandlerLed(); } HAL_UART_Receive_IT(&UartHandle6, &Usart6RxData, 1);//该函数会开启接收中断：标志位UART_IT_RXNE，并且设置接收缓冲以及接收缓冲接收最大数据� } void UART1_Send(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) { if(HAL_UART_Transmit(&UartHandle, (uint8_t*)pData, Size,0x00ff)!= HAL_OK) { // Error_HandlerLed(); } } void UART2_Send(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) { if(HAL_UART_Transmit(&UartHandle2, (uint8_t*)pData, Size,0x00ff)!= HAL_OK) { // Error_HandlerLed(); } } void UART6_Send(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) { if(HAL_UART_Transmit(&UartHandle6, (uint8_t*)pData, Size,0x00ff)!= HAL_OK) { // Error_HandlerLed(); } } void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { } void USART6_IRQHandler(void) { uint8_t Res; if((USART6->SR & USART_SR_TC)==USART_SR_TC) { HAL_UART_Receive_IT(&UartHandle6, &Usart6RxData, 1); CLEAR_BIT(UartHandle6.Instance->SR, USART_SR_TC); } if((USART6->SR & USART_SR_ORE)==USART_SR_ORE) { HAL_UART_Receive_IT(&UartHandle6, &Usart6RxData, 1); CLEAR_BIT(UartHandle6.Instance->SR, USART_SR_ORE); } if((USART6->SR & USART_SR_FE)==USART_SR_FE) { HAL_UART_Receive_IT(&UartHandle6, &Usart6RxData, 1); CLEAR_BIT(UartHandle6.Instance->SR, USART_SR_FE); } if((USART6->SR & USART_SR_PE)==USART_SR_PE) { HAL_UART_Receive_IT(&UartHandle6, &Usart6RxData, 1); CLEAR_BIT(UartHandle6.Instance->SR, USART_SR_PE); } if((__HAL_UART_GET_FLAG(&UartHandle6,UART_FLAG_RXNE)!=RESET)) //接收中断(接收到的数据必须是0x0d 0x0a结尾) { Res = USART6->DR ; Usart6RxBuffer[Rx6Counter] = Res; /* Receive data, clear flag */ Rx6Counter++; if((Usart6RxBuffer[0]==0xfe)&&(Usart6RxBuffer[1]==0x88)) { if(Rx6Counter>=4) { usart6framtlength=Usart6RxBuffer[4]+(((uint16_t)Usart6RxBuffer[3])<<8); if(Rx6Counter==usart6framtlength) { Usart6RxDataFlag=1; } } } } HAL_UART_Receive_IT(&UartHandle6, &Usart6RxData, 1); //HAL_UART_IRQHandler(&UartHandle6); } /*********************