基于单片机的红外发送程序(Infineon--XC866)

本程序适用于Infineon--XC866的单片机，载波为38KHZ，通过P3_0作为发送端口，其中：0由0.56m的高电平和0.56ms的低电平组成，1由0.56的高电平和1.68ms的电平组成。稍加修改可应用于C51。

发送程序如下：

//****************************************************************************// @Module        Project Settings// @Filename      MAIN.C// @Project       20W.dav//----------------------------------------------------------------------------// @Controller    Infineon XC866-2FR//// @Compiler      Keil//// @Codegenerator 2.0//// @Description   This file contains the Project initialization function.////----------------------------------------------------------------------------// @Date          2010-11-4 15:54:56////****************************************************************************// USER CODE BEGIN (MAIN_General,1)// USER CODE END//****************************************************************************// @Project Includes// 完整代码下载地址:点这里// 与本程序对应的红外接收程序代码:http://www.51hei.com/mcu/1096.html//****************************************************************************#include "MAIN.H"// USER CODE BEGIN (MAIN_General,2)#include#define uint  unsigned int   //宏定义#define uchar unsigned char#define  HWTx  P3_0     //位声明：红外发射管脚 bit  HWTx_Out;      //红外发射管脚的状态bit  Key_Flag,Flag;     //分别是：按键按下的标志位，定时器开始的标志位uint Count,Set_Count;    //控制定时时间的变量uchar Table_Tx[4]={0x40,0,0,0};//待发送的缓冲区uchar HWTx_Code,HWTx_data;// USER CODE END//****************************************************************************// @Macros//****************************************************************************// USER CODE BEGIN (MAIN_General,3)// USER CODE END//****************************************************************************// @Defines//****************************************************************************// USER CODE BEGIN (MAIN_General,4)// USER CODE END//****************************************************************************// @Typedefs//****************************************************************************// USER CODE BEGIN (MAIN_General,5)// USER CODE END//****************************************************************************// @Imported Global Variables//****************************************************************************// USER CODE BEGIN (MAIN_General,6)// USER CODE END//****************************************************************************// @Global Variables//****************************************************************************// USER CODE BEGIN (MAIN_General,7)// USER CODE END//****************************************************************************// @External Prototypes//****************************************************************************// USER CODE BEGIN (MAIN_General,8)// USER CODE END//****************************************************************************// @Prototypes Of Local Functions//****************************************************************************// USER CODE BEGIN (MAIN_General,9)// USER CODE END//****************************************************************************// @Function      void MAIN_vInit(void) ////----------------------------------------------------------------------------// @Description   This function initializes the microcontroller. It is //                assumed that the SFRs are in their reset state.////----------------------------------------------------------------------------// @Returnvalue   None////----------------------------------------------------------------------------// @Parameters    None////----------------------------------------------------------------------------// @Date          2010-11-4////****************************************************************************// USER CODE BEGIN (MAIN_Init,1)// USER CODE ENDvoid MAIN_vInit(void){// USER CODE BEGIN (MAIN_Init,2)// USER CODE END///  -----------------------------------------------------------------------///  Configuration of the System Clock:///  -----------------------------------------------------------------------///  - On Chip Osc is Selected///  - PLL Mode, Ndiv = 2///  - input frequency is 10 MHz///  *********************************************************************************///  Note : All peripheral related IO configurations are done in the ///  respective peripheral modules (alternate functions selection)///  *********************************************************************************///  Initialization of module GPIOIO_vInit();//   Interrupt PriorityIP            =  0x00;         // load Interrupt Priority RegisterIPH           =  0x00;         // load Interrupt Priority High RegisterIP1           =  0x00;         // load Interrupt Priority 1 RegisterIPH1          =  0x00;         // load Interrupt Priority 1 High Register// USER CODE BEGIN (MAIN_Init,3)// USER CODE END//   globally enable interruptsEA            =  1;           } //  End of function MAIN_vInit//****************************************************************************// @Function      void main(void) ////----------------------------------------------------------------------------// @Description   This is the main function.////----------------------------------------------------------------------------// @Returnvalue   None////----------------------------------------------------------------------------// @Parameters    None////----------------------------------------------------------------------------// @Date          2010-11-4////****************************************************************************// USER CODE BEGIN (MAIN_Main,1)void delay(uint z) //延时时间约为 1ms*X  晶振为12M{　　uint x=0,y=0;for(x=z;x>0;x--)for(y=54;y>0;y--);}void Key_Scan(){uchar Key_Temp=0,i=0;if(P3_1!=1)　　{　　　　delay(10);　　　　if(P3_1!=1)　　　　{ 　　　　　　while(!P3_1);　　　　       Key_Flag=1; for(i=1;i<4;i++)Table_Tx[i]=i+0xaa;}} }void Send_Code8(){uchar i=0;   //循环变量for(i=0;i<8;i++) //8位数据，顾循环8次{Set_Count=0x002b;//准备发送长达0.56ms(13*43=560us)的方波Flag=1;    //置标志位(通过该标志位控制高低电平的转换)，因为高电平器件，38K的波形不会改变　　　　Count=0;  //清零，准备计数　　　　TR0=1;   //启动定时器　　　　while(Count>1;//右移一位，准备发送  　　}}void Send_Code(){　　uchar i=0;Set_Count=690;//准备产生9ms(13*690=9000)的高电平 Flag=1;    //置标志位，取反(该标志位控制高低电平的转换)Count=0;   //定时器计数TR0=1;    //启动定时器while(Count