/** ****************************************************************************** * File Name : USART.c * Description : This file provides code for the configuration * of the USART instances. ****************************************************************************** * This notice applies to any and all portions of this file * that are not between comment pairs USER CODE BEGIN and * USER CODE END. Other portions of this file, whether * inserted by the user or by software development tools * are owned by their respective copyright owners. * * Copyright (c) 2019 STMicroelectronics International N.V. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted, provided that the following conditions are met: * * 1. Redistribution of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of other * contributors to this software may be used to endorse or promote products * derived from this software without specific written permission. * 4. This software, including modifications and/or derivative works of this * software, must execute solely and exclusively on microcontroller or * microprocessor devices manufactured by or for STMicroelectronics. * 5. Redistribution and use of this software other than as permitted under * this license is void and will automatically terminate your rights under * this license. * * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "usart.h" //#include "Dwin.h" /* USER CODE BEGIN 0 */ #include #include //#include "TerminalSlave485.h" //#include "KeySlave485.h" //#include "CollectMaster485.h" //#include "ScreenMaster485.h" uint8_t usart1_rx_flag; uint8_t usart2_rx_flag; uint8_t usart3_rx_flag; uint8_t usart4_rx_flag; uint16_t rx1_len; uint16_t rx2_len; uint16_t rx3_len; uint16_t rx3_len; uint16_t rx4_len; static uint8_t USART_RX_BUF_U1[Uart1_BUF_SIZE]; /*为UART专门开一个DMA接收存储区 2021-2-23 by Daiyf*/ //static uint8_t USART_RX_BUF_U2[Uart2_BUF_SIZE]; /*为UART2、3专门开一个DMA接收存储区 2021-4-12 by Daiyf*/ static uint8_t USART_RX_BUF_U3[Uart3_BUF_SIZE]; uint8_t USART_RX_BUF[Uart1_BUF_SIZE]; static const char LIB_CRC_MODBUS_HI[] = { 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 }; static const char LIB_CRC_MODBUS_LO[] = { 0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3, 0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26, 0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5, 0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C, 0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83, 0x41, 0x81, 0x80, 0x40 }; uint8_t USART_TX_BUF[Uart1_BUF_SIZE]; uint8_t USART1_RX_BUF[Uart1_BUF_SIZE]; uint8_t USART1_RX_BUF002[Uart1_BUF_SIZE]; uint8_t USART1_TX_BUF[Uart1_BUF_SIZE]; uint8_t USART2_RX_BUF[Uart2_BUF_SIZE]; uint8_t USART2_TX_BUF[Uart2_BUF_SIZE]; uint8_t USART2_RX_BUF002[Uart2_BUF_SIZE]; uint8_t USART3_RX_BUF[Uart3_BUF_SIZE]; uint8_t USART3_RX_BUF002[Uart3_BUF_SIZE]; uint8_t USART3_RX_BUF002_print[Uart3_BUF_SIZE]; uint8_t USART3_TX_BUF[Uart3_BUF_SIZE]; //uint8_t UART4_RX_BUF[BUF_SIZE]; //uint8_t UART4_TX_BUF[BUF_SIZE]; /* USER CODE END 0 */ //UART_HandleTypeDef huart4; extern UART_HandleTypeDef huart1; extern UART_HandleTypeDef huart2; extern UART_HandleTypeDef huart3; //DMA_HandleTypeDef hdma_uart4_rx; extern DMA_HandleTypeDef hdma_usart1_rx; extern DMA_HandleTypeDef hdma_usart2_rx; extern DMA_HandleTypeDef hdma_usart3_rx; UART_HandleTypeDef huart4; /* USER CODE BEGIN 1 */ uint16_t ErrorLength; void UsartReceive_IDLE(UART_HandleTypeDef *huart) { uint32_t i = 0; if((__HAL_UART_GET_FLAG(huart, UART_FLAG_IDLE) != RESET)) { if(huart->Instance == USART1) { __HAL_UART_CLEAR_IDLEFLAG(huart); // i = huart->Instance->ISR; //清除状态寄存器SR,读取SR寄存器可以实现清除SR寄存器的功能 /*这三行不要。 2021-2-23 by Daiyf*/ // i = huart->Instance->RDR; //读取数据寄存器中的数据 // i = hdma_usart1_rx.Instance->NDTR; // __HAL_UART_DISABLE_IT(&huart1, UART_IT_RXNE); HAL_UART_DMAStop(huart); i = __HAL_DMA_GET_COUNTER(&hdma_usart1_rx);// 获取DMA中未传输的数据个数 // HAL_UART_Receive_DMA(&huart1, USART_RX_BUF,Uart1_BUF_SIZE);//重新打开DMA接收 /* 此处处理数据，主要是拷贝和置位标志位 */ memcpy(USART1_RX_BUF, USART_RX_BUF_U1, (Uart1_BUF_SIZE - i)); /*为UART专门开一个DMA接收存储区 2021-2-23 by Daiyf*/ usart1_rx_flag = 1; rx1_len = Uart1_BUF_SIZE - i-2;//实际接收到的有用数据,总计数减去未传输的数据个数，得到已经接收的数据个数(0x0D,0x0A) /* 清空缓存，重新接收 */ ErrorLength=Uart1_BUF_SIZE;//DMA缺陷处理不定长数据时，连续数据太快导致长度异常，处理方法不用RTOS，或者不用DMA. // printf("%d:%s\r\n",rx1_len,USART_RX_BUF); // KeySlave485_Send_Data(USART_RX_BUF,rx1_len); // SendChar4(rx1_len); //memset(USART_RX_BUF_U1, 0x00, Uart1_BUF_SIZE); /*这二行不要。 2021-2-23 by Daiyf*/ //__HAL_DMA_SET_COUNTER(&hdma_usart1_rx, 0); //清除DMA 计数 HAL_UART_Receive_DMA(&huart1, USART_RX_BUF_U1,Uart1_BUF_SIZE);//重新打开DMA接收 if((__HAL_UART_GET_FLAG(&huart1, UART_FLAG_ORE) != RESET)) { // i = huart->Instance->ISR; //清除状态寄存器SR,读取SR寄存器可以实现清除SR寄存器的功能 // i = huart->Instance->RDR; //读取数据寄存器中的数据 // i = hdma_usart1_rx.Instance->NDTR; __HAL_UART_CLEAR_OREFLAG(&huart1); HAL_DMA_DeInit(&hdma_usart1_rx); } } // else if(huart->Instance == USART2) // { // __HAL_UART_CLEAR_IDLEFLAG(huart); //// i = huart->Instance->ISR; //// i = huart->Instance->RDR; //// i = hdma_usart2_rx.Instance->NDTR; // HAL_UART_DMAStop(huart); // HAL_UART_Receive_DMA(&huart2, USART_RX_BUF_U2,Uart2_BUF_SIZE); // /* 此处处理数据，主要是拷贝和置位标志位 */ // // // // //memcpy(USART2_RX_BUF, USART_RX_BUF, rx2_len); // memcpy(USART2_RX_BUF, USART_RX_BUF_U2, Uart2_BUF_SIZE - i); //这里原来可能有点问题，改了一下与其他串口方式相同处理 // __nop(); // memcpy(USART2_RX_BUF, USART_RX_BUF_U2, 32); // __nop(); // // // // usart2_rx_flag = 1; // rx2_len = Uart2_BUF_SIZE - i;//实际接收到的有用数据 // // memset(USART_RX_BUF_U2, 0x00, Uart2_BUF_SIZE); // } else if(huart->Instance == USART3) { __HAL_UART_CLEAR_IDLEFLAG(huart); #if 1 HAL_UART_DMAStop(huart); i = __HAL_DMA_GET_COUNTER(&hdma_usart3_rx);// 获取DMA中未传输的数据个数 memcpy(USART3_RX_BUF, USART_RX_BUF_U3, (Uart3_BUF_SIZE - i)); usart3_rx_flag = 1; rx3_len = Uart3_BUF_SIZE - i; ErrorLength=Uart3_BUF_SIZE; HAL_UART_Receive_DMA(&huart3, USART_RX_BUF_U3,Uart3_BUF_SIZE);//重新打开DMA接收 if((__HAL_UART_GET_FLAG(&huart3, UART_FLAG_ORE) != RESET)) { // i = huart->Instance->ISR; //清除状态寄存器SR,读取SR寄存器可以实现清除SR寄存器的功能 // i = huart->Instance->RDR; //读取数据寄存器中的数据 // i = hdma_usart3_rx.Instance->NDTR; __HAL_UART_CLEAR_OREFLAG(&huart3); HAL_DMA_DeInit(&hdma_usart3_rx); } #else i = huart->Instance->ISR; i = huart->Instance->RDR; i = hdma_usart3_rx.Instance->NDTR; HAL_UART_DMAStop(huart); HAL_UART_Receive_DMA(&huart3, USART_RX_BUF_U3,Uart3_BUF_SIZE); /*为UART3专门开一个DMA接收存储区 2021-4-12 by Daiyf*/ /* 此处处理数据，主要是拷贝和置位标志位 */ memcpy(USART3_RX_BUF, USART_RX_BUF_U3, (Uart3_BUF_SIZE - i)); usart3_rx_flag = 1; rx3_len = Uart3_BUF_SIZE - i;//实际接收到的有用数据 #endif //memset(USART_RX_BUF, 0x00, BUF_SIZE); } /* else if(huart->Instance == UART4) { __HAL_UART_CLEAR_IDLEFLAG(huart); i = huart->Instance->ISR; i = huart->Instance->RDR; i = hdma_uart4_rx.Instance->NDTR; HAL_UART_DMAStop(huart); HAL_UART_Receive_DMA(&huart4, USART_RX_BUF,BUF_SIZE); //此处处理数据，主要是拷贝和置位标志位 // memcpy(UART4_RX_BUF, USART_RX_BUF, (BUF_SIZE - i)); usart4_rx_flag = 1; rx4_len = BUF_SIZE - i;//实际接收到的有用数据 memset(USART_RX_BUF, 0x00, BUF_SIZE); if((__HAL_UART_GET_FLAG(&huart4, UART_FLAG_ORE) != RESET)) { i = huart->Instance->ISR; //清除状态寄存器SR,读取SR寄存器可以实现清除SR寄存器的功能 i = huart->Instance->RDR; //读取数据寄存器中的数据 i = hdma_uart4_rx.Instance->NDTR; __HAL_UART_CLEAR_OREFLAG(&huart4); HAL_DMA_DeInit(&hdma_uart4_rx); HAL_UART_MspInit(&huart4); HAL_UART_Receive_DMA(&huart4, USART_RX_BUF,BUF_SIZE); } } */ } // HAL_DMA_DeInit(&hdma_usart1_rx); } void Uart_Mode_Init(void) { __HAL_UART_ENABLE_IT(&huart1, UART_IT_IDLE); __HAL_UART_ENABLE_IT(&huart1, UART_IT_RXNE); __HAL_UART_ENABLE_IT(&huart2, UART_IT_IDLE); __HAL_UART_ENABLE_IT(&huart2, UART_IT_RXNE); __HAL_UART_ENABLE_IT(&huart3, UART_IT_IDLE); __HAL_UART_ENABLE_IT(&huart3, UART_IT_RXNE); __HAL_UART_ENABLE_IT(&huart4, UART_IT_IDLE); __HAL_UART_ENABLE_IT(&huart4, UART_IT_RXNE); } /***************************************************************** * 串口2发送函数KeySlave485_Send_Data(uint8_t *buf,uint8_t len) ******************************************************************/ void SendChar2 (uint8_t ch) { HAL_UART_Transmit(&huart2, &ch, 1, 0xffff); } void SendChar4 (uint8_t ch) { //KeySlave485_TX_Set(1); HAL_UART_Transmit(&huart4, &ch, 1, 1000); //KeySlave485_TX_Set(0); } /***************************************************************** * 串口发送数组函数 ******************************************************************/ void UartWrite(UART_HandleTypeDef *uartHandle, uint8_t *buf , uint8_t len) { uint8_t i; for(i = 0; i < len; i++) { HAL_UART_Transmit(uartHandle, &buf[i], 1, 0xFFFF); } } // 重定向函数1 int fputc(int ch,FILE *f) { uint8_t temp[1]={ch}; HAL_UART_Transmit(&huart4,temp,1,2); // return 0; } //16位modbusCRC校验 uint16_t LIB_CRC_MODBUS(uint8_t* Buf, uint16_t srLen) { uint32_t srIndex; char ucHI = 0xFF; char ucLO = 0xFF; while(srLen--) { srIndex = ucHI ^ *Buf++; ucHI = ucLO ^ LIB_CRC_MODBUS_HI[srIndex]; ucLO = LIB_CRC_MODBUS_LO[srIndex]; } return ((uint16_t)ucHI<<8) + ucLO; } /* USER CODE END 1 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/