基础版本
This commit is contained in:
bathfire
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#include "config.h"
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volatile u8 SensorCount2TXTask_Flag = 1;//SensorCount接受任务标志位，1允许运行
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volatile u8 SensorCount_DMA_RX_Len = 23;
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/*_____ D E F I N I T I O N __________________________________________________*/
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/****************************************************
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函数名：SensorCount_IO_Configuration
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功能 ：SensorCount ModBus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 SensorCount_IO_Configuration(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
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GPIO_PinAFConfig(GPIOC, GPIO_PinSource12, GPIO_AF_UART5);
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GPIO_PinAFConfig(GPIOD, GPIO_PinSource2, GPIO_AF_UART5);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
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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_2;
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GPIO_Init(GPIOD, &GPIO_InitStructure);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
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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(GPIOD, &GPIO_InitStructure);//初始化
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Sensor2_RS485_RxEN;
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}
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/****************************************************
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函数名：SensorCount_NVIC_Configuration
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功能 ：SensorCount ModBus通讯Usart1和发送DMA中断配置
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参数 ：无
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返回值：无
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****************************************************/
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void SensorCount_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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//USART5_DMA
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NVIC_InitStructure.NVIC_IRQChannel = DMA1_Stream7_IRQn;
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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 = DMA1_Stream0_IRQn;
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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;
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NVIC_Init(&NVIC_InitStructure);
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}
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/*************************************************
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函数名 ：SensorCount_USART_Configuration（）
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功能 : 串口初始化
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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 SensorCount_USART_Configuration(u32 Baud,u8 Check)
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{
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USART_InitTypeDef USART_InitStructure;
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE);
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USART_InitStructure.USART_BaudRate =Baud;// Baud;//?????
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if(Check == Even)
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{
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USART_InitStructure.USART_WordLength = USART_WordLength_9b;
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USART_InitStructure.USART_Parity = USART_Parity_Even;
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}
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else if(Check == None)
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{
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USART_InitStructure.USART_WordLength = USART_WordLength_8b;
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USART_InitStructure.USART_Parity = USART_Parity_No;
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}
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USART_InitStructure.USART_StopBits = USART_StopBits_1;
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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(UART5, &USART_InitStructure);
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USART_Cmd(UART5, ENABLE);
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USART_DMACmd(UART5, 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 SensorCount_DMA_Configuration(void)
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{
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DMA_InitTypeDef DMA_InitStructure;
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1, ENABLE);
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/*******************发送TX*********************/
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DMA_DeInit(DMA1_Stream7);
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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)&UART5->DR;
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DMA_InitStructure.DMA_Channel = DMA_Channel_4;
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DMA_Init(DMA1_Stream7, &DMA_InitStructure);
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DMA_ITConfig(DMA1_Stream7, DMA_IT_TC, ENABLE);
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//DMA_Cmd(DMA1_Stream3, ENABLE);
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/*******************RX*********************/
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DMA_DeInit(DMA1_Stream0);
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DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
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DMA_InitStructure.DMA_BufferSize = 23;
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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)&UART5->DR;
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DMA_InitStructure.DMA_Channel = DMA_Channel_4;
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DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)YWYData.SensorMail.Buff;
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DMA_Init(DMA1_Stream0, &DMA_InitStructure);
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DMA_ITConfig(DMA1_Stream0, DMA_IT_TC, ENABLE);
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DMA_ClearFlag(DMA1_Stream0, DMA_IT_TCIF0);
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DMA_Cmd(DMA1_Stream0, ENABLE);
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}
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//F*****************************************************************************
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//* NAME: SensorCount2_DMATX_IRQHandler
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//* PURPOSE: DMA传输完成中断，SensorCount ModBus
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//* PARAMS: 无
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//* return: 无
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//******************************************************************************
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void SensorCount2_DMATX_IRQHandler(void)
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{
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SensorCount2_TX_DMAStop(); //关闭DMA传输 (SensorCount发送)
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/**********************DR寄存器里面有数据开启DMA时会自动放入一个数据，长度减一。应对方法：接收中断重设长度，打开DMA，发送中断关闭DMA，重设长度，打开DMA********************/
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SensorCount2_RX_DMAStop();
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SensorCount2_RX_DMALenSet(SensorCount_DMA_RX_Len);//重置接受长度
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DMA_ClearFlag(DMA1_Stream7, DMA_IT_TCIF7);
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while(! USART_GetFlagStatus(UART5, USART_FLAG_TC))NULL;
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Sensor2_RS485_RxEN;
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SensorCount2TXTask_Flag = 1;
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SensorCount2_RX_DMAStart();
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}
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//F*****************************************************************************
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//* NAME: SensorCount_DMARX_IRQHandler
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//* PURPOSE: DMA传输完成中断，SensorCount ModBus
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//* PARAMS: 无
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//* return: 无
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//******************************************************************************
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void SensorCount2_DMARX_IRQHandler(void)
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{
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u16 CRC_Temp;
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SensorCount2_RX_DMAStop(); //DMA接收
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DMA_ClearFlag(DMA1_Stream0, DMA_IT_TCIF0);
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SensorCount2_RX_DMAAddrSet((u32)YWYData.SensorMail.Buff);
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SensorCount2_RX_DMALenSet(SensorCount_DMA_RX_Len);//重置接受长度
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SensorCount2_RX_DMAStart();
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CRC_Temp = CRC_Check(YWYData.SensorMail.Buff,YWYData.SensorMail.Register.Len + 3);
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if(CRC_Temp == YWYData.SensorMail.Register.Crc)
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{
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YWYData.SensorMail_Flag = 1; //使能LcdCount接收任务
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}
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//使能LcdCount接收任务
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}
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//F*****************************************************************************
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//* NAME: SensorCount_Init
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//* PURPOSE: SensorCount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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void SensorCount_Init(void)
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{
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u8 i = 0;
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SensorCount_IO_Configuration();
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SensorCount_USART_Configuration(9600,None);
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SensorCount_DMA_Configuration();
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SensorCount_NVIC_Configuration();
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YWYData.Sensor_Ask_Timer.Init = 0; //清除初始化标志
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YWYData.Sensor_Ask_Timer.Flag = 1; //清除到时标志
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YWYData.Sensor_Ask_Timer.ON_OFF = 1; //打开轮训开关
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YWYData.Sensor_Ask_Timer.Cycle = 1; //设置为循环模式
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YWYData.Sensor_Ask_Timer.TimerCountMax = 100; //周期100（1S）Sensor_ERR_Timer
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YWYData.Sensor_ERR_Timer[0].Init = 0; //清除初始化标志
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YWYData.Sensor_ERR_Timer[0].Flag = 0; //清除到时标志
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YWYData.Sensor_ERR_Timer[0].ON_OFF = 1; //打开轮训开关
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YWYData.Sensor_ERR_Timer[0].Cycle = 1; //设置为循环模式
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YWYData.Sensor_ERR_Timer[0].TimerCountMax = 200; //周期100（1S）Sensor_ERR_Timer
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YWYData.Sensor_ERR_Timer[1].Init = 0; //清除初始化标志
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YWYData.Sensor_ERR_Timer[1].Flag = 0; //清除到时标志
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YWYData.Sensor_ERR_Timer[1].ON_OFF = 1; //打开轮训开关
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YWYData.Sensor_ERR_Timer[1].Cycle = 1; //设置为循环模式
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YWYData.Sensor_ERR_Timer[1].TimerCountMax = 200; //周期100（1S）
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YWYData.PowerOffDelay_Timer.Init = 0; //清除初始化标志
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YWYData.PowerOffDelay_Timer.Flag = 0; //清除到时标志
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YWYData.PowerOffDelay_Timer.ON_OFF = 0; //打开轮训开关
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YWYData.PowerOffDelay_Timer.Cycle = 0; //设置为循环模式
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YWYData.PowerOffDelay_Timer.TimerCountMax = 6000; //周期6000（60S）
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}
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/***********RS485/探针命令发送************
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*****************************************
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*****************************************/
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u8 Sensor_TX_Buff[10] = {0x00,0x03,0x00,0x02,0x00,0x01,0x00,0x00};
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u8 Sensor_Ask_Data(u8 ID)//
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{
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u16 i = 10;
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u16 CRC_Temp = 0;
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Sensor2_RS485_TxEN;
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SensorCount2TXTask_Flag = 0;
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Sensor_TX_Buff[0] = ID + 1;
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CRC_Temp = CRC_Check(Sensor_TX_Buff,6);
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Sensor_TX_Buff[7] = CRC_Temp >> 8;
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Sensor_TX_Buff[6] = CRC_Temp;
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SensorCount2_TX_DMAAddrSet((u32)Sensor_TX_Buff);
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SensorCount2_TX_DMALenSet(8);
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SensorCount2_TX_DMAStart();
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SensorCount_DMA_RX_Len = 7;
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}
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u8 Sensor_Ask_NumNow = 0;
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void Sensor_Tast(void)
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{
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if(YWYData.Sensor_Ask_Timer.Flag == 1)
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{
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YWYData.Sensor_Ask_Timer.Flag = 0;
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Sensor_Ask_Data(Sensor_Ask_NumNow);
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Sensor_Ask_NumNow ++;
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if(Sensor_Ask_NumNow > 1)
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Sensor_Ask_NumNow = 0;
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}
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if(YWYData.SensorMail_Flag == 1)
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{
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YWYData.SensorMail_Flag = 0;
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if(YWYData.SensorMail.Register.SensorNum < 3)
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{
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if(YWYData.SensorMail.Register.Dat != 0x0200)
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YWYData.ErrState[YWYData.SensorMail.Register.SensorNum - 1].Flag.GasLeakage = 0;
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else
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YWYData.ErrState[YWYData.SensorMail.Register.SensorNum - 1].Flag.GasLeakage = 1;
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}
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}
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}
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@@ -0,0 +1,50 @@
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#ifndef __SensorCount_H_
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#define __SensorCount_H_
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/*H******************************************************************************
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* NAME: SensorCount.h
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*********************************************************************************/
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typedef union
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{
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u8 Buff[50]; //ModBus寄存器组
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__packed struct
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{
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u8 SensorNum : 8;
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u8 Cmd : 8;
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u8 Len : 8;
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u16 Dat : 16;
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u16 Crc : 16;
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}Register;
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}Sensor_RX_Buff_Type;
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//******************************************************************************
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//*-------------- 函数声名 -----------------------------------------------------
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//******************************************************************************
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#define SensorCount2_TX_DMAAddrSet(x) (DMA1_Stream7->M0AR = x) //设置流量计发送缓存地址
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#define SensorCount2_TX_DMALenSet(x) (DMA1_Stream7->NDTR = x) //设置流量计DMA发送长度
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#define SensorCount2_TX_DMAStart() DMA_Cmd(DMA1_Stream7,ENABLE) //开启流量计DMA发送
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#define SensorCount2_TX_DMAStop() DMA_Cmd(DMA1_Stream7,DISABLE) //关闭流量计DMA发送
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#define SensorCount2_RX_DMAAddrSet(x) (DMA1_Stream0->M0AR = x) //设置流量计接收缓存地址
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#define SensorCount2_RX_DMALenSet(x) (DMA1_Stream0->NDTR = x) //设置流量计DMA接收
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#define SensorCount2_RX_DMAStart() DMA_Cmd(DMA1_Stream0,ENABLE) //开启流量计DMA接收
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#define SensorCount2_RX_DMAStop() DMA_Cmd(DMA1_Stream0,DISABLE) //关闭流量计DMA接收
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#define Sensor2_RS485_TxEN GPIO_ResetBits(GPIOD,GPIO_Pin_3);
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#define Sensor2_RS485_RxEN GPIO_SetBits(GPIOD,GPIO_Pin_3);
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#define Even 0
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#define None 1
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extern void SensorCount2_DMATX_IRQHandler(void);
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extern void SensorCount2_DMARX_IRQHandler(void);
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extern u16 CRC_Check(u8 *puchMsg, u16 usDataLen) ;
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extern u16 BigToLittle( u16 BigData);
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extern void SensorCount_Init(void);
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extern void SensorCount_USART_Configuration(u32 Baud,u8 Check);
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extern u8 Sensor_Ask_Data(u8 ID);
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extern void Sensor_Tast(void);
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#endif //#ifndef
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