MSP430红外解码.txt35温馨是大自然的一抹色彩，独具慧眼的匠师才能把它表现得尽善尽美；温馨是乐谱上的一个跳动音符，感情细腻的歌唱者才能把它表达得至真至纯#include "msp430x14x.h"   //xt1 32768KHZ xt2 8MHZ ,红外接收头接于P1.0

#include<12864-9.h>

//**********************************************************************

#define   HONGWAI_1      0x01//红外接收头接于P1.0

#define   HONGWAI_0      0xfe

#define   HONGWAI_IN     (P1IN&HONGWAI_1) //P1.0输入

//**********************************************************************

char IRcode[4]={0,0,0,0};   //定义一个4字节的数组用来存储代码

void int_timer(void)

{

TACTL|=TASSEL1+TACLR;//选择SMCLK作为定时器的时钟

TACTL|=MC0;//增加模式，并且使能中断

TACCR0=9999;//中断周期

}

void int_ex(void) //初始化P1.0口外部中断

{

P1DIR&=HONGWAI_0;//输入口

P1SEL&=HONGWAI_0; //使用普通IO

P1IE|=HONGWAI_1;//外部中断允许

P1IES|=HONGWAI_1;//下降沿触发中断

P1IFG= 0x00; // 清除P1口中断标志

}

void sent_byte2(char dat)

{

while((IFG2&UTXIFG1)==0);//判断发送缓冲区是否结束

U1TXBUF=dat;

}

#pragma vector=UART1RX_VECTOR

__interrupt void UART1_RX_ISR(void)

{

char data=0;

data=U1RXBUF; //读取接受到的数据并且发送到PC机

P1OUT=data;

sent_byte2(data+1);

}

 

void int_UART2(void)

{

P3SEL |= 0xc0;                            // P3.6,7 = USART0 TXD/RXD

UCTL0 |= SWRST;                           //复位串口

ME2 |= UTXE1 + URXE1;                     // 允许接收、发送

UCTL1 |= CHAR;                            // 8位数据

UTCTL1 |= SSEL0;                          // UCLK = ACLK

UBR01 = 0x03;                             // 波特率9600

UBR11 = 0x00;                             //

UMCTL1 = 0x4A;                            // 波特率小数部分

UCTL1 &= ~SWRST;                          // 串口停止复位，正常工作

IE2 |= URXIE1;                            // 使能接收中断

_EINT();                                 //系统中断允许

 

}

 

void int_clk()

{

    char i;

    BCSCTL1&=~XT2OFF; //打开XT振荡器

    BCSCTL2|=SELM1+SELS+DIVS_2+DIVS_1;//MCLK 8M and SMCLK 1M 8分频

    do

{

        IFG1 &= ~OFIFG;                 //清除振荡错误标志

        for(i = 0; i < 100; i++)

   _NOP();    //延时等待

        }

    while ((IFG1 & OFIFG) != 0); //如果标志为1继续循环等待

    IFG1&=~OFIFG;

}

void delay_07ms(char h)//0.7ms

{

char p;

for(p=h;p>0;p--)

{

    int_timer();

    while(TAR<=700);

    TACTL=0;         //停止计数器

    TAR=0;

}

}

void delay_1ms(void)//1ms

{

    int_timer();

    while(TAR<=1000);

    TACTL=0;         //停止计数器

    TAR=0;

}

#pragma vector=PORT1_VECTOR

__interrupt void PORT1_ISR(void)

{

   char m,n,k,CodeTemp;

   int j;

   P1IE&=HONGWAI_0;//禁止P1.0中断

   if(P1IFG&HONGWAI_1==HONGWAI_1)

   {

    P1IFG=0;//清中断标志

    

    for(k=0;k<10;k++)

      {

        delay_07ms(1);

        if (HONGWAI_IN)         //如果0.7ms后HONGWAI_IN=1，说明不是引导码

           {

       k=10;break;

    }

        else

   if(k==9)            //如果持续了10×0.7ms=7ms的低电平，说明是引导码

           {

      while(HONGWAI_IN==0);

             delay_07ms(5);     //跳过持续4.5ms的高电平

             for(m=0;m<4;m++)       //分别读取4个字节

                 {

      for(n=1;n<=8;n++)      //每个字节8个bit的判断

                 {

      while(HONGWAI_IN==0);      //等待上升沿

                    delay_07ms(1);        //从上升沿那一时刻开始延时0.9ms，再判断IRsignal

                    if(HONGWAI_IN)     //如果IRsignal是"1",则向右移入一位"1"

                     {

                              delay_1ms();   //延时1ms

                       CodeTemp=CodeTemp|0x80;

                       if(n<8) CodeTemp=CodeTemp>>1;

                      }

                    else

                      if(n<8)CodeTemp=CodeTemp>>1;//如果IRsignal是"0",则向右移一位，自动补"0"

                        }

                   IRcode[m]=CodeTemp;

                   CodeTemp=0;

                  }

  //        sent_byte2(IRcode[3]);

          for(j=50;j>0;j--)

            delay_1ms();   //延时1ms

          

          }

    }

    

}

     

P1IE|=HONGWAI_1;//外部中断允许

}

int main( void )

{

WDTCTL = WDTPW + WDTHOLD;

int_clk();   //初始化时钟

lcd_init();

lcd_full_disp(0);//清屏

int_ex();   //初始化P1.0口外部中断

_BIS_SR(GIE);

//int_UART2();

while(1)

{   d_hz(1,0,0,0);

    d_hz(3,0,1,0);

    d_hz(5,0,2,0);

    dchar_16(7,0,':',0);

    dchar_16(8,0,IRcode[0]/100+48,0);

    dchar_16(9,0,IRcode[0]%100/10+48,0);

    dchar_16(10,0,IRcode[0]%10+48,0);

    d_hz(1,1,0,0);

    d_hz(3,1,1,0);

    d_hz(5,1,2,0);

    d_hz(7,1,3,0);

    d_hz(9,1,2,0);

    dchar_16(11,1,':',0);

    dchar_16(12,1,IRcode[1]/100+48,0);

    dchar_16(13,1,IRcode[1]%100/10+48,0);

    dchar_16(14,1,IRcode[1]%10+48,0);

    d_hz(1,2,4,0);

    d_hz(3,2,5,0);

    d_hz(5,2,2,0);

    dchar_16(7,2,':',0);

    dchar_16(8,2,IRcode[2]/100+48,0);

    dchar_16(9,2,IRcode[2]%100/10+48,0);

    dchar_16(10,2,IRcode[2]%10+48,0);

    d_hz(1,3,4,0);

    d_hz(3,3,5,0);

    d_hz(5,3,2,0);

    d_hz(7,3,3,0);

    d_hz(9,3,2,0);

    dchar_16(11,3,':',0);

    dchar_16(12,3,IRcode[3]/100+48,0);

    dchar_16(13,3,IRcode[3]%100/10+48,0);

    dchar_16(14,3,IRcode[3]%10+48,0);

    

 //   _BIS_SR(LPM1_bits+ GIE);                //打开低功耗模式1、打开系统中断允许

}

}

 const uchar  HZ[16*96]={

   

 //用(0) 户(1) 码(2) 反(3) 操(4) 作(5)

 

0x00,0x00,0x00,0xFE,0x22,0x22,0x22,0x22,0xFE,0x22,0x22,0x22,0x22,0xFE,0x00,0x00,

0x80,0x40,0x30,0x0F,0x02,0x02,0x02,0x02,0xFF,0x02,0x02,0x42,0x82,0x7F,0x00,0x00,/*"用",0*/

 

0x00,0x00,0x00,0xF8,0x88,0x88,0x88,0x89,0x8A,0x8E,0x88,0x88,0x88,0xF8,0x00,0x00,

0x80,0x40,0x30,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"户",1*/

 

0x02,0x82,0xE2,0x5E,0x42,0xC2,0x00,0x02,0xFA,0x82,0x82,0x82,0xFE,0x80,0x00,0x00,

0x01,0x00,0x7F,0x10,0x10,0x3F,0x00,0x04,0x04,0x04,0x44,0x84,0x40,0x3F,0x00,0x00,/*"码",2*/

 

0x00,0x00,0xFE,0x12,0x72,0x92,0x12,0x12,0x12,0x11,0x91,0x71,0x01,0x00,0x00,0x00,

0x40,0x30,0x4F,0x40,0x20,0x21,0x12,0x0C,0x0C,0x12,0x11,0x20,0x60,0x20,0x00,0x00,/*"反",3*/

 

0x08,0x08,0xFF,0x88,0x48,0x00,0xF0,0x97,0xF5,0x05,0xF5,0x95,0x97,0xF0,0x00,0x00,

0x42,0x81,0x7F,0x00,0x40,0x42,0x22,0x12,0x0A,0xFF,0x06,0x0A,0x32,0x62,0x22,0x00,/*"操",4*/

 

0x80,0x40,0x20,0xF8,0x07,0x22,0x18,0x0C,0xFB,0x48,0x48,0x48,0x68,0x48,0x08,0x00,

0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0xFF,0x04,0x04,0x04,0x04,0x06,0x04,0x00,/*"作",5*/

   

 };