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