#include "config.h" volatile u8 GPSConnectRXTask_Flag = 0;//GPSConnect接受任务标志位，1允许运行 volatile u8 GPSConnectTXTask_Flag = 0;// volatile u8 GPSConnect_RX_Buff[1000] = {0x01,0x03,0x00,0x02,0x00,0x09,0x00,0x00};; volatile u8 GPSConnect_TX_Buff[1000] = {0x01,0x03,0x00,0x02,0x00,0x09,0x00,0x00};; volatile u8 GPSConnect_DMA_RX_Len = 23; /*_____ D E F I N I T I O N __________________________________________________*/ u16 BigToLittle( u16 BigData) { return (BigData << 8 | BigData >> 8); } //u32 BigToLittle( u32 BigData) //{ // union // { // u32 Temp; // u8 Buff[4]; // }Dat; // // if(sizeof(BigData) == 2) // return (BigData << 8 | BigData >> 8); // else if(sizeof(BigData) == 4) // { // Dat.Buff[0] = (BigData >> 24) & 0xff; // Dat.Buff[1] = (BigData >> 16) & 0xff; // Dat.Buff[2] = (BigData >> 8) & 0xff; // Dat.Buff[3] = (BigData >> 0) & 0xff; // return (Dat.Temp); // } //} /**************************************************** 函数名：GPSConnect_IO_Configuration 功能 ：GPSConnect卡通讯部分用到的IO初始化 参数 ：无 返回值：无 ****************************************************/ void GPSConnect_IO_Configuration(void) { GPIO_InitTypeDef GPIO_InitStructure; //定义GOIP配置结构体 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE); GPIO_PinAFConfig(GPIOC, GPIO_PinSource6, GPIO_AF_USART6); GPIO_PinAFConfig(GPIOC, GPIO_PinSource7, GPIO_AF_USART6); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;//普通输出模式 GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100MHz GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOC, &GPIO_InitStructure);//初始化 } /**************************************************** 函数名：GPSConnect_NVGPSConnect_Configuration 功能 ：GPSConnect卡通讯部分用到的中断向量配置 参数 ：无 返回值：无 ****************************************************/ void GPSConnect_NVIC_Configuration(void) { NVIC_InitTypeDef NVIC_InitStructure; //定义中断配置结构体 NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream6_IRQn; //USART6_TX_DMA NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = USART6_IRQn; //USART?? NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; // NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; // NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ???? NVIC_Init(&NVIC_InitStructure); //??NVIC_InitStruct???????????NVIC???USART1 } /**************************************************** 函数名：GPSConnect_NVGPSConnect_Configuration 功能 ：GPSConnect卡通讯部分用到的串口配置 参数 ：无 返回值：无 ****************************************************/ void GPSConnect_USART_Configuration(u32 BaudRate) { USART_InitTypeDef USART_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART6, ENABLE); USART_InitStructure.USART_BaudRate =BaudRate;// Baud;//????? USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx; USART_Init(USART6, &USART_InitStructure); USART_Cmd(USART6, ENABLE); USART_ITConfig(USART6, USART_IT_IDLE, ENABLE); USART_ClearFlag(USART6, USART_FLAG_IDLE); USART_DMACmd(USART6, USART_DMAReq_Tx | USART_DMAReq_Rx,ENABLE); } /************************************************* 函数名 ：DMA_Configuration（） 功能 ：DMA初始化 传入参数：无 返回值 ：无 **************************************************/ void GPSConnect_DMA_Configuration(void) { DMA_InitTypeDef DMA_InitStructure; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE); /*******************发送TX1*********************/ DMA_DeInit(DMA2_Stream6); DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral; //DMA_InitStructure.DMA_BufferSize = UART_DMA_SEND_LEN; DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte; DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte; DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; DMA_InitStructure.DMA_Priority = DMA_Priority_High; DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_1QuarterFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&USART6->DR; DMA_InitStructure.DMA_Channel = DMA_Channel_5; //DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)MD_Connect_TX_Buff[0]; DMA_Init(DMA2_Stream6, &DMA_InitStructure); DMA_ITConfig(DMA2_Stream6, DMA_IT_TC, ENABLE); /*******************RX*********************/ DMA_DeInit(DMA2_Stream1); DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; DMA_InitStructure.DMA_BufferSize = 1000; DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte; DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte; DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; DMA_InitStructure.DMA_Priority = DMA_Priority_High; DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_1QuarterFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&USART6->DR; DMA_InitStructure.DMA_Channel = DMA_Channel_5; DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)GPSConnect_RX_Buff; DMA_Init(DMA2_Stream1, &DMA_InitStructure); DMA_Cmd(DMA2_Stream1, ENABLE); } //F***************************************************************************** //* NAME: GPSConnect_TXDataCheck //* PURPOSE: GPSConnect卡键盘通信校验函数 //* PARAMS: pData需要检验的数组地址，len数据长度 //* return: 无 //****************************************************************************** u8 GPSConnect_TXDataCheck(volatile u8* pData, u8 len) { u8 result; if(len == 0) len = 16; result = *pData++; do { result ^= *pData++; }while(--len); return result & 0x7f; } void GPSConnect_DMATX_IRQHandler(void) { u16 i = 0; DMA_ClearFlag(DMA2_Stream6, DMA_IT_TCIF6); GPSCount_TX_DMAStop(); //关闭DMA传输 while(! USART_GetFlagStatus(USART6, USART_FLAG_TC))NULL; DMA_ClearFlag(DMA2_Stream1, DMA_IT_TCIF1); GPSCount_RX_DMAStart(); //打开DMA传输(Gas就收)长度在选择发送队列时设置 GPSConnectTXTask_Flag = 1; } //F***************************************************************************** //* NAME: GPSConnect_DMARX_IRQHandler //* PURPOSE: DMA传输完成中断，Gas ModBus //* PARAMS: 无 //* return: 无 //****************************************************************************** void GPSConnect_DMARX_IRQHandler(void) { u8 i = 0; u16 CRC_Temp = 0; if(USART_GetITStatus(USART6, USART_IT_IDLE) != RESET)//????????? { USART_ClearFlag(USART6, USART_IT_IDLE); GPSCount_RX_DMAStop(); //DMA接收 USART_ClearFlag(USART6, USART_IT_IDLE); DMA_ClearFlag(DMA2_Stream1, DMA_IT_TCIF1); i = USART6->SR; i = USART6->DR; GPSCount_RX_DMALenSet(1000);//重置接受长度 GPSCount_RX_DMAStart(); GPSConnectRXTask_Flag = 1; } } void StringToHex(u8 *Str,u8 *H,u8 Len) { u8 i = 0; for(i = 0;i < Len;i += 2) { if(*(Str + i) > 0x39) *(H + (i / 2)) = (*(Str + i) - 0x37) << 4; else *(H + (i / 2)) = (*(Str + i) - 0x30) << 4; if(*(Str + i + 1) > 0x39) *(H + (i / 2)) |= (*(Str + i + 1) - 0x37) & 0x0f; else *(H + (i / 2)) |= (*(Str + i + 1) - 0x30) & 0x0f; } } u16 mystrstr(u8 *s1,u8 *s2) { int len2; u16 i= 0; if(!(len2=strlen(s2)))//此种情况下s2不能指向空，否则strlen无法测出长度，这条语句错误 return 1; for(;*s1;++s1) { i ++; if(*s1==*s2 && strncmp(s1,s2,len2)==0) return i; } return NULL; } //F***************************************************************************** //* NAME: GPSConnect_Init //* PURPOSE: GPSConnect通讯初始化 //* PARAMS: 无 //* return: 无 //****************************************************************************** char Bluetooth_AT_UART[]="AT+UART=9600\r\n "; char Bluetooth_AT_NAME[]="AT+NAME=TXH_V1.1.2_0000\r\n "; char Print_Language[]={0x1b,0x74,0x23}; void GPSConnect_Init(void) { u8 i = 0; GPSConnect_IO_Configuration(); //流量计相关IO初始化 GPSConnect_USART_Configuration(115200); //相关串口初始化 GPSConnect_DMA_Configuration(); //流量计相关DMA初始化 GPSConnect_NVIC_Configuration(); //流量计相关中断初始化 TXHData.GPSDataTimer.Init = 0; //清除初始化标志 TXHData.GPSDataTimer.Flag = 0; //清除到时标志 TXHData.GPSDataTimer.ON_OFF = 1; //打开 TXHData.GPSDataTimer.Cycle = 1; //设置为循环模式，发送时启动 TXHData.GPSDataTimer.TimerCountMax = 10*1000;//（10S） GPSCount_TX_DMAAddrSet((u32)Print_Language); GPSCount_TX_DMALenSet(3); GPSCount_TX_DMAStart(); // while(!GPSConnectTXTask_Flag); // delay_ms(500); // GPSConnect_USART_Configuration(9600); // for(i = 0;i < 10;i ++) // Bluetooth_AT_NAME[8+i] = BoxVersion[i]; // for(i = 0;i < 4;i ++) // Bluetooth_AT_NAME[19+i] = TXHData.POSData.WirelessData.IMEI[16+i]; // GPSCount_TX_DMAAddrSet((u32)Bluetooth_AT_NAME); // GPSCount_TX_DMALenSet(25); // GPSCount_TX_DMAStart(); } void GPSConnectTast(void) { u16 i = 0,j = 0,k = 0; u32 Temp = 0; u8 Buff[20]; u16 POS_ConnectRX_Len=0; u16 POS_ConnectRX_CMD = 0; if(GPSConnectRXTask_Flag == 1) { GPSConnectRXTask_Flag = 0; if(GPSConnect_RX_Buff[0] == 0xF5) // 判断接收缓冲区中的第一个字节是否为 0xF5 { POS_ConnectRX_Len = (GPSConnect_RX_Buff[1] << 8) | GPSConnect_RX_Buff[2]; // 提取长度码 Temp = CRC_Check(&GPSConnect_RX_Buff[0] , POS_ConnectRX_Len); // 计算数据包 CRC 校验码 if(Temp == ((GPSConnect_RX_Buff[POS_ConnectRX_Len] << 8) | GPSConnect_RX_Buff[POS_ConnectRX_Len + 1])) // 判断 CRC 校验码是否正确 { POS_ConnectRX_CMD = GPSConnect_RX_Buff[3]; // 提取命令字节 switch (POS_ConnectRX_CMD) // 根据命令字节进行不同的操作 { case 0xF1: // 配置APN { for(i = 0;i < sizeof(TXHData.POSData.WirelessData.APN);i ++) // 将 APN 缓冲区清零 TXHData.POSData.WirelessData.APN[i] = 0; for(i = 0;i < POS_ConnectRX_Len - 4;i ++) // 从接收缓冲区中提取 APN 数据 TXHData.POSData.WirelessData.APN[i] = GPSConnect_RX_Buff[4+i]; if(FMItemWrite(CF_POSData,0)) // 写入 APN 数据到 Flash 存储器中 { POS_Network_APN_Set(); // 设置网络 APN 参数 GPSConnect_TX_Buff[0] = 0xF5; // 将发送缓冲区初始化 GPSConnect_TX_Buff[1] = 0x00; GPSConnect_TX_Buff[2] = 0x05; GPSConnect_TX_Buff[3] = 0xF1; GPSConnect_TX_Buff[4] = 0x59; Temp = CRC_Check(&GPSConnect_TX_Buff[0] , 5); // 计算发送数据包的 CRC 校验码 GPSConnect_TX_Buff[5] = (Temp >> 8) & 0xff; // 将 CRC 校验码写入发送缓冲区 GPSConnect_TX_Buff[6] = Temp & 0xff; GPSCount_TX_DMAAddrSet((u32)GPSConnect_TX_Buff); // 设置发送 DMA 的地址和长度 GPSCount_TX_DMALenSet(7); GPSCount_TX_DMAStart(); // 启动 DMA 发送数据 } }break; case 0xF2: // 配置LORA子模块 { TXHData.MD_LORA_Slave_Flag = 1; TXHData.MD_LORA_SlaveTimer.ON_OFF = 1; // delay_ms(200); // MD_Port_LORASet(0); // MD_Port_LORASet(1); // MD_Port_LORASet(2); // MD_Port_LORASet(3); { GPSConnect_TX_Buff[0] = 0xF5; // 将发送缓冲区初始化 GPSConnect_TX_Buff[1] = 0x00; GPSConnect_TX_Buff[2] = 0x05; GPSConnect_TX_Buff[3] = 0xF2; GPSConnect_TX_Buff[4] = 0x59; Temp = CRC_Check(&GPSConnect_TX_Buff[0] , 5); // 计算发送数据包的 CRC 校验码 GPSConnect_TX_Buff[5] = (Temp >> 8) & 0xff; // 将 CRC 校验码写入发送缓冲区 GPSConnect_TX_Buff[6] = Temp & 0xff; GPSCount_TX_DMAAddrSet((u32)GPSConnect_TX_Buff); // 设置发送 DMA 的地址和长度 GPSCount_TX_DMALenSet(7); GPSCount_TX_DMAStart(); // 启动 DMA 发送数据 } }break; case 0xF3: // 配置LORA子模块 { TXHData.MD_LORA_Slave_Flag = 0; TXHData.MD_LORA_SlaveTimer.Init = 1; { GPSConnect_TX_Buff[0] = 0xF5; // 将发送缓冲区初始化 GPSConnect_TX_Buff[1] = 0x00; GPSConnect_TX_Buff[2] = 0x05; GPSConnect_TX_Buff[3] = 0xF3; GPSConnect_TX_Buff[4] = 0x59; Temp = CRC_Check(&GPSConnect_TX_Buff[0] , 5); // 计算发送数据包的 CRC 校验码 GPSConnect_TX_Buff[5] = (Temp >> 8) & 0xff; // 将 CRC 校验码写入发送缓冲区 GPSConnect_TX_Buff[6] = Temp & 0xff; GPSCount_TX_DMAAddrSet((u32)GPSConnect_TX_Buff); // 设置发送 DMA 的地址和长度 GPSCount_TX_DMALenSet(7); GPSCount_TX_DMAStart(); // 启动 DMA 发送数据 } }break; } } } else if(GPSConnect_RX_Buff[25] == 'O' && GPSConnect_RX_Buff[26] == 'K') // 判断接收缓冲区中“OK\r\n”判断是不是蓝牙设置回复 { TXHData.USART6_Drive = Bluetooth; } else { Temp = mystrstr(GPSConnect_RX_Buff,"RMC"); if(Temp) TXHData.USART6_Drive = GPS; if(GPSConnect_RX_Buff[Temp + 14] == 'A')//则提取经度和纬度信息 { for(k = 0;k < 9;k ++)// 提取经度类型信息，保存到TXHData结构体中 Buff[k] = GPSConnect_RX_Buff[Temp + 16 + k]; TXHData.GPSData.GPS.Longitude = (float)atof(Buff) / 100; TXHData.GPSData.GPS.LongitudeType = GPSConnect_RX_Buff[Temp + 26]; for(k = 0;k < 9;k ++)// 提取维度类型信息，保存到TXHData结构体中 Buff[k] = GPSConnect_RX_Buff[Temp + 28 + k]; TXHData.GPSData.GPS.Latitude = (float)atof(Buff) / 100; TXHData.GPSData.GPS.LatitudeType = GPSConnect_RX_Buff[Temp + 39]; } else if(GPSConnect_RX_Buff[Temp + 14] == 'V')// 如果第15个字符是'V'，则经纬度信息无效，置为0 { TXHData.GPSData.GPS.Latitude = 0; TXHData.GPSData.GPS.LatitudeType = 0; TXHData.GPSData.GPS.Latitude = 0; TXHData.GPSData.GPS.LatitudeType = 0; } } } }