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STM32加232串口发多串口

时间:2020-06-28 13:20:48      阅读:74      评论:0      收藏:0      [点我收藏+]

标签:default   软件时间   使用   串口   模块   efi   i++   控制   频率   

#include "user_usart.h"
#include "stm32f10x_usart.h"
#include "user_adc.h"
#include "user_74_595.h"
#include "user_74_165.h"
#include "user_gpio.h"




/*使用microLib的方法*/
 /* 
int fputc(int ch, FILE *f)
{
    USART_SendData(USART1, (uint8_t) ch);

    while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET) {}    
   
    return ch;
}
int GetKey (void)  { 

    while (!(USART1->SR & USART_FLAG_RXNE));

    return ((int)(USART1->DR & 0x1FF));
}
*/
 
//#if EN_USART1_RX   //如果使能了接收

//#if EN_USART1_RX   //如果使能了接收
//串口1中断服务程序
//注意,读取USARTx->SR能避免莫名其妙的错误       
//u8 USART_RX_BUF[USART_REC_LEN];     //接收缓冲,最大USART_REC_LEN个字节.
//接收状态
//bit15,    接收完成标志
//bit14,    接收到0x0d
//bit13~0,    接收到的有效字节数目
u16 USART_RX_STA=0;       //接收状态标记     


//串口1队列定义
u8     UART1SendBuff[UART1BuffSize];        //发送数据
u8     UART1ReceBuff[UART1BuffSize];        //接收数据?
u16 UART1ReceIn = 0;//接收状态标记数据位     
u8  UART1ReceFullFlag = 0;//接收完数据标志位

//串口2队列定义
u8     UART2SendBuff[UART2BuffSize];        
u8     UART2ReceBuff[UART2BuffSize];        
u16 UART2ReceIn = 0;
u8  UART2ReceFullFlag = 0;

//串口3队列定义
u8     UART3SendBuff[UART3BuffSize];        
u8     UART3ReceBuff[UART3BuffSize];        
u16 UART3ReceIn = 0;
u8  UART3ReceFullFlag = 0;

//串口1初始化
void USART1_Configuration(u32 bound)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;
    USART_InitTypeDef USART_InitStructure;;
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);//开启GPIOA和USART1时钟
    
    //USART1_TX   GPIOA.9
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; //PA.9
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;    //复用推挽输出
    GPIO_Init(GPIOA, &GPIO_InitStructure);//初始化GPIOA.9
    
    //USART1_RX      GPIOA.10初始化
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;//PA10
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//浮空输入
    GPIO_Init(GPIOA, &GPIO_InitStructure);//初始化GPIOA.10  
    
    //Usart1 NVIC 配置
  NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2 ;//抢占优先级3
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;        //子优先级3
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;            //IRQ通道使能
    NVIC_Init(&NVIC_InitStructure);    //根据指定的参数初始化VIC寄存器
    
    //USART 初始化设置
    USART_InitStructure.USART_BaudRate = bound;//串口波特率
    USART_InitStructure.USART_WordLength = USART_WordLength_8b;//字长为8位数据格式
    USART_InitStructure.USART_StopBits = USART_StopBits_1;//一个停止位
    USART_InitStructure.USART_Parity = USART_Parity_No;//无奇偶校验位
    USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//无硬件数据流控制
    USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;    //收发模式
    USART_Init(USART1, &USART_InitStructure); //初始化串口1
    
    USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);  //开启串口接收中断
    USART_Cmd(USART1, ENABLE);                    //使能串口1 
}

//串口2初始化
void USART2_Configuration(u32 bound)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;
    USART_InitTypeDef USART_InitStructure;;
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2,ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);//开启GPIOA和USART1时钟
    
    //USART2_TX   GPIOA.2
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; //PA.2
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;    //复用推挽输出
    GPIO_Init(GPIOA, &GPIO_InitStructure);//初始化GPIOA.2
    
    //USART2_RX      GPIOA.3初始化
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;//PA3
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//浮空输入
    GPIO_Init(GPIOA, &GPIO_InitStructure);//初始化GPIOA.3  
    
    //Usart2 NVIC 配置
    NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2 ;//抢占优先级3
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;        //子优先级3
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;            //IRQ通道使能
    NVIC_Init(&NVIC_InitStructure);    //根据指定的参数初始化VIC寄存器
    
    //USART 初始化设置
    USART_InitStructure.USART_BaudRate = bound;//串口波特率
    USART_InitStructure.USART_WordLength = USART_WordLength_8b;//字长为8位数据格式
    USART_InitStructure.USART_StopBits = USART_StopBits_1;//一个停止位
    USART_InitStructure.USART_Parity = USART_Parity_No;//无奇偶校验位
    USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//无硬件数据流控制
    USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;    //收发模式
    USART_Init(USART2, &USART_InitStructure); //初始化串口2
    
    USART_ITConfig(USART2,USART_IT_RXNE,ENABLE);  //开启串口接收中断
    USART_Cmd(USART2, ENABLE);                    //使能串口2 
}

//串口3初始化
void USART3_Configuration(u32 bound)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;
    USART_InitTypeDef USART_InitStructure;;
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3,ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);//开启GPIOA和USART1时钟
    
    //USART3_TX   GPIOB.10
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; //PB.10
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;    //复用推挽输出
    GPIO_Init(GPIOB, &GPIO_InitStructure);//初始化GPIOA.10
    
    //USART3_RX      GPIOB.3初始化
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;//PB11
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//浮空输入
    GPIO_Init(GPIOB, &GPIO_InitStructure);//初始化GPIOB.11  
    
    //Usart3 NVIC 配置
    NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2 ;//抢占优先级3
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;        //子优先级3
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;            //IRQ通道使能
    NVIC_Init(&NVIC_InitStructure);    //根据指定的参数初始化VIC寄存器
    
    //USART 初始化设置
    USART_InitStructure.USART_BaudRate = bound;//串口波特率
    USART_InitStructure.USART_WordLength = USART_WordLength_8b;//字长为8位数据格式
    USART_InitStructure.USART_StopBits = USART_StopBits_1;//一个停止位
    USART_InitStructure.USART_Parity = USART_Parity_No;//无奇偶校验位
    USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//无硬件数据流控制
    USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;    //收发模式
    USART_Init(USART3, &USART_InitStructure); //初始化串口3
    
    USART_ITConfig(USART3,USART_IT_RXNE,ENABLE);  //开启串口接收中断
    USART_Cmd(USART3, ENABLE);                    //使能串口3 
}

//串口1发送一帧数据
void USART1_SendOneData(uint8_t SendOneData)
{
    USART_SendData(USART1, SendOneData);
    while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
    {}
}

//串口2发送一帧数据
void USART2_SendOneData(uint8_t SendOneData)
{
    USART_SendData(USART2, SendOneData);
    while (USART_GetFlagStatus(USART2, USART_FLAG_TC) == RESET)
    {}
}

//串口3发送一帧数据
void USART3_SendOneData(uint8_t SendOneData)
{
    USART_SendData(USART3, SendOneData);
    while (USART_GetFlagStatus(USART3, USART_FLAG_TC) == RESET)
    {}
}

//串口1发送一列数据
void USART1_SendUnfixedData(uint8_t *Buffer, uint8_t Length)
{
    uint8_t  i;
    for(i=0;i<Length;i++)
    {
        USART1_SendOneData(*Buffer++);
    }
}

//串口2发送一列数据
void USART2_SendUnfixedData(uint8_t *Buffer, uint8_t Length)
{
    uint8_t  i;
    for(i=0;i<Length;i++)
    {
        USART2_SendOneData(*Buffer++);
    }
}

//串口3发送一列数据
void USART3_SendUnfixedData(uint8_t *Buffer, uint8_t Length)
{
    uint8_t  i;
    LED_ON;
    for(i=0;i<Length;i++)
    {
        USART3_SendOneData(*Buffer++);
    }
    LED_OFF;
}

//串口1中断服务函数
void USART1_IRQHandler(void)
{
    u8 Res;//数据暂存
    if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)  //接收中断
    {
        Res =USART_ReceiveData(USART1);    //读取接收到的数据
        switch(UART1ReceIn)//读取接收到的数据有几位 每一位对应的数据协议校验
        {
            case 0:
                if(Res==T)
                    UART1ReceBuff[UART1ReceIn++] = Res;
                else
                    UART1ReceIn = 0;
                break;
            case 1:
                if(Res==M)
                    UART1ReceBuff[UART1ReceIn++] = Res;
                else
                    UART1ReceIn = 0;
                break;
            case 2:
                if(Res==0x0f)
                    UART1ReceBuff[UART1ReceIn++] = Res;
                else
                    UART1ReceIn = 0;
                break;
            case 3:
                if(Res==0x01)
                    UART1ReceBuff[UART1ReceIn++] = Res;
                else
                    UART1ReceIn = 0;
                break;
            case 4:
                if(Res==0x31)
                    UART1ReceBuff[UART1ReceIn++] = Res;
                else
                    UART1ReceIn = 0;
                break;
            default:
                UART1ReceBuff[UART1ReceIn++] = Res;
                break;
        }

        if(UART1ReceIn >= 57)
        {
            UART1ReceFullFlag = 1;    //数据完整接受完 
        }
        USART_ClearITPendingBit(USART1, USART_IT_RXNE);//清除相对应的中断位   清除中断预处理位USART_ClearITPendingBit左移八位是USART_ClearFlag  
    }
    else if(USART_GetITStatus(USART1, USART_IT_TXE) != RESET)    // 发送中断  USART_GetITStatus
    {
        USART_ClearITPendingBit(USART1, USART_IT_TXE);                    // clear interrupt  清除中断预处理位
    }    
}

//串口2中断服务函数
void USART2_IRQHandler(void)
{
    
    u8 Res;
#if SYSTEM_SUPPORT_OS         //如果SYSTEM_SUPPORT_OS为真,则需要支持OS.
    OSIntEnter();    
#endif
    if(USART_GetITStatus(USART2, USART_IT_RXNE) != RESET)  //接收中断(接收到的数据必须是0x0d 0x0a结尾)
        {
        Res =USART_ReceiveData(USART2);    //读取接收到的数据USART_ReceiveData
        
        if((USART_RX_STA&0x8000)==0)//接收未完成
            {
            if(USART_RX_STA&0x4000)//接收到了0x0d
                {
                if(Res!=0x0a)USART_RX_STA=0;//接收错误,重新开始
                else USART_RX_STA|=0x8000;    //接收完成了 
                }
            else //还没收到0X0D
                {    
                if(Res==0x0d)USART_RX_STA|=0x4000;
                else
                    {
                    UART2ReceBuff[USART_RX_STA&0X3FFF]=Res ;
                    USART_RX_STA++;
                    if(USART_RX_STA>(USART_REC_LEN-1))USART_RX_STA=0;//接收数据错误,重新开始接收      
                    }         
                }
            } 
}
#if SYSTEM_SUPPORT_OS     //如果SYSTEM_SUPPORT_OS为真,则需要支持OS.
    OSIntExit();                                               
#endif
} 
//串口3中断服务函数
void USART3_IRQHandler(void)
{
    u8 Res;//数据暂存
    if(USART_GetITStatus(USART3, USART_IT_RXNE) != RESET)  //接收中断
    {
        Res =USART_ReceiveData(USART3);    //读取接收到的数据 USART_ReceiveData
        switch(UART3ReceIn)//读取接收到的数据有几位 每一位对应的数据协议校验
        {
            case 0:
                if(Res==T)
                    UART3ReceBuff[UART3ReceIn++] = Res;
                else
                    UART3ReceIn = 0;
                break;
            case 1:
                if(Res==M)
                    UART3ReceBuff[UART3ReceIn++] = Res;
                else
                    UART3ReceIn = 0;
                break;
            case 2:
                if(Res==0x0f)
                    UART3ReceBuff[UART3ReceIn++] = Res;
                else
                    UART3ReceIn = 0;
                break;
            case 3:
                if(Res==0x01)
                    UART3ReceBuff[UART3ReceIn++] = Res;
                else
                    UART3ReceIn = 0;
                break;
            case 4:
                if(Res==0x31)
                    UART3ReceBuff[UART3ReceIn++] = Res;
                else
                    UART3ReceIn = 0;
                break;
            default:
                UART3ReceBuff[UART3ReceIn++] = Res;
                break;
        }

        if(UART3ReceIn >= 57)
        {
            UART3ReceFullFlag = 1;    //数据完整接受完 
        }
        USART_ClearITPendingBit(USART3, USART_IT_RXNE);//清除相对应的中断位   清除中断预处理位USART_ClearITPendingBit左移八位是USART_ClearFlag  
    }
    else if(USART_GetITStatus(USART3, USART_IT_TXE) != RESET)    // 发送中断  USART_GetITStatus
    {
        USART_ClearITPendingBit(USART3, USART_IT_TXE);                    // clear interrupt  清除中断预处理位
    }    
}

//发送开关量输入数据
void SendInputData(void)
{
     // 组包,第一帧
    UART1SendBuff[0] = 0XAA;
    UART1SendBuff[1] = 0XBB;    
    UART1SendBuff[2] = ReadInData.ByteData[0];
    UART1SendBuff[3] = ReadInData.ByteData[1]; 
    UART1SendBuff[4] = ReadInData.ByteData[2];
    UART1SendBuff[5] = ReadInData.ByteData[3]; //165检测结构
    UART1SendBuff[6] = 0XCC;
    UART1SendBuff[7] = 0XDD;

    // 发送第一帧数据
    USART3_SendUnfixedData(UART1SendBuff,8);
    Delay_m(350);        // 延时,和计算机软件时间匹配
}

void SendAnalogData(void)            // 通过串口发送模拟量数据
{
     // 组包,第一帧
    UART1SendBuff[0] = 0XAA;
    UART1SendBuff[1] = 0XBB;
    UART1SendBuff[2] = 0X01;
    UART1SendBuff[6] = 0XCC;
    UART1SendBuff[7] = 0XDD;

    UART1SendBuff[3] = 0x10;    
    UART1SendBuff[4] = (AnalogChannel[0].AveVal >> 8);
    UART1SendBuff[5] = (u8)AnalogChannel[0].AveVal;            

    // 发送第一帧数据
    USART3_SendUnfixedData(UART1SendBuff, 8);
    
    Delay_m(300);        // 延时,和计算机软件时间匹配

    //---------------------------------------------------------
     // 组包,第二帧
    UART1SendBuff[3] = 0x20;    
    UART1SendBuff[4] = (AnalogChannel[1].AveVal >> 8);
    UART1SendBuff[5] = (u8)AnalogChannel[1].AveVal;        

    // 发送第二帧数据
    USART3_SendUnfixedData(UART1SendBuff, 8);
    Delay_m(300);        // 延时,和计算机软件时间匹配
    /*
    //---------------------------------------------------------
     // 组包,第三帧
    UART1SendBuff[3] = 0x30;    
    UART1SendBuff[4] = (AnalogChannel[2].AveVal >> 8);
    UART1SendBuff[5] = (u8)AnalogChannel[2].AveVal;        

    // 发送第三帧数据
    USART3_SendUnfixedData(UART1SendBuff, 8);
    Delay_m(300);        // 延时,和计算机软件时间匹配
    
    
    //---------------------------------------------------------
     // 组包,第四帧
    UART1SendBuff[1] = 0x40;    
    UART1SendBuff[2] = (AnalogChannel[3].AveVal >> 8);
    UART1SendBuff[3] = (u8)AnalogChannel[3].AveVal;        

    // 发送第四帧数据
    USART_SendUnfixedData(UART1SendBuff, 8);
    Delay_m(300);        // 延时,和计算机软件时间匹配
    
    //---------------------------------------------------------
     // 组包,第五帧
    UART1SendBuff[1] = 0x50;    
    UART1SendBuff[2] = (AnalogChannel[4].AveVal >> 8);
    UART1SendBuff[3] = (u8)AnalogChannel[4].AveVal;        

    // 发送第五帧数据
    USART_SendUnfixedData(UART1SendBuff, 8);
    Delay_m(300);        // 延时,和计算机软件时间匹配
    
    //---------------------------------------------------------
     // 组包,第六帧
    UART1SendBuff[1] = 0x60;    
    UART1SendBuff[2] = (AnalogChannel[5].AveVal >> 8);
    UART1SendBuff[3] = (u8)AnalogChannel[5].AveVal;        

    // 发送第六帧数据
    USART_SendUnfixedData(UART1SendBuff, 8);
    Delay_m(300);        // 延时,和计算机软件时间匹配

    //---------------------------------------------------------
     // 组包,第七帧
    UART1SendBuff[1] = 0x70;    
    UART1SendBuff[2] = (AnalogChannel[6].AveVal >> 8);
    UART1SendBuff[3] = (u8)AnalogChannel[6].AveVal;        

    // 发送第七帧数据
    USART_SendUnfixedData(UART1SendBuff, 8);
    Delay_m(300);        // 延时,和计算机软件时间匹配
    
    //---------------------------------------------------------    
     // 组包,第八帧
    UART1SendBuff[1] = 0x80;    
    UART1SendBuff[2] = (AnalogChannel[7].AveVal >> 8);
    UART1SendBuff[3] = (u8)AnalogChannel[7].AveVal;        

    // 发送第八帧数据
    USART_SendUnfixedData(UART1SendBuff, 8);
    Delay_m(300);        // 延时,和计算机软件时间匹配
    */
    
}


.h

#ifndef __USER_USART_H
#define __USER_USART_H

#include "stm32f10x.h"
    
#define     UART1BuffSize     64    //接收数据的位
#define     UART2BuffSize     64    //接收缓存数据的字节
#define     UART3BuffSize     64  //接收缓存数据的字节


extern u8     UART1SendBuff[UART1BuffSize];        //发送数据
extern u8     UART1ReceBuff[UART1BuffSize];        //接收缓存数据
extern u16  UART1ReceIn;//接收状态标记数据位数     
extern u8   UART1ReceFullFlag;  //接收数据状态

extern u8     UART2SendBuff[UART2BuffSize];        
extern u8     UART2ReceBuff[UART2BuffSize];        
extern u16  UART2ReceIn;
extern u8   UART2ReceFullFlag;

extern u8     UART3SendBuff[UART3BuffSize];        
extern u8     UART3ReceBuff[UART3BuffSize];        
extern u16  UART3ReceIn;
extern u8   UART3ReceFullFlag;


void USART1_Configuration(u32 bound);//穿口初始化
void USART2_Configuration(u32 bound);
void USART3_Configuration(u32 bound);
void USART1_SendOneData(uint8_t SendOneData); //串口1发送一帧数据
void USART2_SendOneData(uint8_t SendOneData);
void USART3_SendOneData(uint8_t SendOneData);
void USART1_SendUnfixedData(uint8_t *Buffer, uint8_t Length);
void USART2_SendUnfixedData(uint8_t *Buffer, uint8_t Length);
void USART3_SendUnfixedData(uint8_t *Buffer, uint8_t Length);
void SendInputData(void);
void SendAnalogData(void);            // 通过串口发送模拟量数据

#define USART_REC_LEN              200      //定义最大接收字节数 200
#define EN_USART1_RX             1        //使能(1)/禁止(0)串口1接收
          
extern u8  USART_RX_BUF[USART_REC_LEN]; //接收缓冲,最大USART_REC_LEN个字节.末字节为换行符 
extern u16 USART_RX_STA;                 //接收状态标记    
//如果想串口中断接收,请不要注释以下宏定义

#endif

 

 

main

#include "user_usart.h"
#include "user_gpio.h"
#include "user_74_165.h"
#include "user_74_595.h"
#include "user_timer.h"
#include "user_adc.h"
#include "user_iwdg.h"
#include "user_crc.h"
#include <string.h>
#include "delay.h"
#include "JQ8900.h"
#include "LED.h"
#include "user_gpio.h"
#include "user_74_595.h"
#include "wdg.h"
#include "stdio.h"
uint8_t   FLAG_INA7 = 0;             //撑开按钮按下标志
uint8_t   FLAG_INA6 = 0;             //缩回按钮按下标志

uint8_t   FLAG_INA7_EN = 1;          //撑开按钮按过标志
uint8_t   FLAG_INA6_EN = 0;          //缩回按钮按过标志

uint8_t crc16_data1[] = { 0x01,0x00,0x00,0x00,0x04,0x05,0x06,0x07,0x08,0x09,0xAA};
uint8_t crc16_data2[] = { 0x02,0x00,0x00,0x00,0x04,0x05,0x06,0x07,0x08,0x09,0xBB};
uint8_t crc16_data3[] = { 0x03,0x00,0x00,0x00,0x04,0x05,0x06,0x07,0x08,0x09,0xCC};
uint8_t crc16_data4[] = { 0xFE, 0x01,0x02,0x03,0x00,0x00,0x02,0x04,0x00,0x00,0x00,0x00 };

uint8_t table4[]={
0x01,0x02,0x02,0x02,0x02,0x02,
0x02,0x02,0x02,0x02,0x02,0x02,
0x02,0x02,0x03,0x02,0x02,0x02,
0x02,0x02,0x02,0x04,0x02,0x02,
0x02,0x02,0x02,0x02,0x05,0x02,
0x02,0x02,0x02,0x02,0x02,0x06,
0x02,0x02,0x02,0x02,0x05,0x02,
0x02,0x02,0x02,0x04,0x02,0x02,
0x02,0x02,0x03,0x02,0x02,0x02,
0x02,0x02,0x02,0x02,0x02,0x02,
0x01,0x02,0x02,0x02,0x02,0x02,
0x02,0x02,0x02,0x02,0x02,0x02,
0x02,0x02,0x03,0x02,0x02,0x02,
0x02,0x02,0x02,0x04,0x02,0x02,
0x02,0x02,0x02,0x02,0x05,0x02,
0x02,0x02,0x02,0x02,0x02,0x06};
uint8_t table5[]={0x02,0x02,0x02,0x02,0x02,0x02};
uint8_t table6[]={‘u‘,‘s‘,‘a‘,‘r‘,‘t‘,‘2‘};
uint16_t rec = 0;
uint16_t rec1 = 0;




 void Crc_Data_Change(void);

static unsigned char  music[10] = {0x00,0x01, 0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09 };

//语音循环发送  发送歌曲位置
static unsigned char  music_speek()
{
uint8_t i;
    for(i=0;i<8;i++)
         {
        SendData(0x0a);//数据头
      SendData(music[i]);//第几首
        SendData(0x0b);//数据尾u
        delay_ms(6000);
         }
delay_ms(3000);
        
        }


//选择下一首
unsigned char  music_down()
{
SendData(0x15);//数据尾u

}

 int main(void)
 {    
      delay_init();      
      JQ8900_Init();
      LED_Init();
     TESTLED=1;
     delay_ms(3000);
      //设置NVIC中断分组2:2位抢占优先级,2位响应优先级
      NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);

     //配置串口1
     USART1_Configuration(9600);
     USART2_Configuration(9600);
     USART3_Configuration(9600);
     TIM3_Int_Init(2000,7199); //10Khz 的计数频率,计数到 1000 为 100ms
//     IWDG_Init(4,625);    //与分频数为64,重载值为625,溢出时间为1s    
     while(1)
     {

/************语音模块的时序函数******************/
//  uint8_t addr=0x15;

//    uint8_t i;
//    JQ8900_SDA = 1;/*开始拉高*/
//    delay_us ( 1000 );
//    JQ8900_SDA = 0;/*开始引导码*/
//    delay_us ( 2200 );/*此处延时最少要大于2ms,此参数延时为310ms  */

//    for ( i = 0; i < 8; i++ ) /*总共8位数据  */
//    {
//        JQ8900_SDA = 1;
//        if ( addr & 0x01 ) /*3:1表示数据位1,每个位用两个脉冲表示  */
//        {
//            delay_us ( 500 );
//            JQ8900_SDA = 0;
//            delay_us ( 210 );
//        }
//        else              /*1:3表示数据位0 ,每个位用两个脉冲表示  */
//        {
//            delay_us ( 210 );
//            JQ8900_SDA = 0;
//            delay_us ( 500 );
//        }
//        addr >>= 1;
//    }
//    JQ8900_SDA = 1;
// SendData(0x15);     SendData(0x15);
//     music_speek();
//    
//     music_down();
//     delay_ms(8000);
//     SendData(0x15);
//     TESTLED=!TESTLED;

/**************
串口部分程序
**********/
//USART1_SendOneData(4);
//USART1_SendUnfixedData(crc16_data3,11);    
//delay_ms(3000);
//uint8_t count;
//for(count=0;count<100;count++)
//{
//USART1_SendUnfixedData(crc16_data3,11);    
//delay_ms(100);
//}
//for(count=0;count<100;count++)
//{
//USART1_SendUnfixedData(crc16_data4,11);    
//delay_ms(100);
//}
//                    USART1_SendUnfixedData(table4,4);
                    USART1_SendUnfixedData(crc16_data1,11);
                    delay_ms(500);
                    USART2_SendUnfixedData(crc16_data2,11);
                    delay_ms(500);
                    USART3_SendUnfixedData(crc16_data3,11);
                    //delay_ms(100);
                    //printf("串口123发送程序");
                    //USART1_SendUnfixedData(crc16_data1,11);
                    
//                TESTLED=!TESTLED;
                    
//                    USART1_SendUnfixedDaata(crc16_data2,11);
//                    
//                    delay_ms(10);
//                    TESTLED=!TESTLED;
//                    USART2_SendUnfixedData(crc16_data1,11);
//                    
//                    delay_ms(10);
//                    USART3_SendUnfixedData(crc16_data2,11);
//                    
//                    delay_ms(10);
//                    TESTLED=!TESTLED;
//                    USART1_SendUnfixedData(table6,6);        


/**************
语音模块发送指令
**********/
//int i,j;
//for(i=0;i<10;i++)
//    for(j=0;j<10;j++)
//     { SendData(0x0a);//数据头
//      SendData(music[i]);//第几首
//        SendData(music[j]);//第几首
//        SendData(0x0b);//数据尾u
//        delay_ms(5000);
//     }
        
//      SendData(0x0a);//数据头
//      SendData(music[1]);//第几首
//        SendData(music[0]);//第几首
//        SendData(music[0]);//第几首
//        SendData(0x0b);//数据尾u
//        delay_ms(5000);


//        SendData(0x0a);//数据头
//      SendData(music[5]);//第5首
//        SendData(music[5]);//第5首
//        SendData(0x0b);//数据尾u
//        delay_ms(5000);

        
//test();
//IWDG_ReloadCounter();//喂狗
 }
 }


原文http://www#51hei.com/bbs/forum.php?mod=viewthread&tid=166144

STM32加232串口发多串口

标签:default   软件时间   使用   串口   模块   efi   i++   控制   频率   

原文地址:https://www.cnblogs.com/iCloudelectron/p/13201969.html

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