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紅外接收51單片機設(shè)計要求按配套遙控器上的 1-9 按鍵會在數(shù)碼管上對應(yīng)顯示,注意其....
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紅外接收.7z
(802 Bytes, 下載次數(shù): 12)
2017-7-8 20:24 上傳
點擊文件名下載附件
c程序
- #include<reg52.h>
- sbit IR=P3^3;
- #define DataPort P0
- sbit DI1=P1^0;
- sbit DI2=P1^1;
- sbit DI3=P1^2;
- sbit DI4=P1^3;
- unsigned char code dofly_DuanMa[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,};
- unsigned char irtime;
- bit irpro_ok,irok;
- unsigned char IRcord[4];
- unsigned char irdata[33];
- void Ir_work(void);
- void Ircordpro(void);
- void tim0_isr (void) interrupt 1 using 1
- {
- irtime++;
- }
- void EX1_ISR (void) interrupt 2
- {
- static unsigned char i;
- static bit startflag;
- if(startflag)
- {
- if(irtime<63&&irtime>=33)
- i=0;
- irdata[i]=irtime;
- irtime=0;
- i++;
- if(i==33)
- {
- irok=1;
- i=0;
- }
- }
- else
- {
- irtime=0;
- startflag=1;
- }
- }
- void TIM0init(void)
- {
- TMOD=0x02;
- TH0=0x00;
- TL0=0x00;
- ET0=1;
- TR0=1;
- }
- void EX0init(void)
- {
- IT1 = 1;
- EX1 = 1;
- EA = 1;
- }
- void Ir_work(void)
- {
- switch(IRcord[2])
- {
- case 0x0c:DataPort=dofly_DuanMa[1];break;
- case 0x18:DataPort=dofly_DuanMa[2];break;
- case 0x5e:DataPort=dofly_DuanMa[3];break;
- case 0x08:DataPort=dofly_DuanMa[4];break;
- case 0x1c:DataPort=dofly_DuanMa[5];break;
- case 0x5a:DataPort=dofly_DuanMa[6];break;
- case 0x42:DataPort=dofly_DuanMa[7];break;
- case 0x52:DataPort=dofly_DuanMa[8];break;
- case 0x4a:DataPort=dofly_DuanMa[9];break;
- default:break;
- }
- irpro_ok=0;
- }
- void Ircordpro(void)
- {
- unsigned char i, j, k;
- unsigned char cord,value;
- k=1;
- for(i=0;i<4;i++)
- {
- for(j=1;j<=8;j++)
- {
- cord=irdata[k];
- if(cord>7)
- value|=0x80;
- if(j<8)
- {
- value>>=1;
- }
- k++;
- }
- IRcord[i]=value;
- value=0;
- }
- irpro_ok=1;
- }
- void main(void)
- {
- EX0init();
- TIM0init();
- DataPort=0xff;
- DI1=0;
- DI2=0;
- DI3=0;
- DI4=0;
- while(1)
- {
- if(irok)
- {
- Ircordpro();
- irok=0;
- }
- if(irpro_ok)
- {
- Ir_work();
- }
- }
- }
復(fù)制代碼
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