毕业设计 // /***********初始化函数**********/ clearmen() {
remoteout=0; //关遥控输出
IE=0x00; IP=0x01;
TMOD=0x22; //8位自动重装模式 TH1=0xf3; //40KHZ初值 TL1=0xf3;
EA=1; //开总中断 }
/**********发射函数************/ sed() {
ET1=1;TR1=1;delay1ms(3);ET1=0;TR1=0;remoteout=0;//40KHZ发3毫秒 for(m=keyvol;m>0;m--) {
delay1ms(1); //停1毫秒
ET1=1;TR1=1;delay1ms(1);ET1=0;TR1=0;remoteout=0; //40KHZ发1毫秒 }
delay1ms(10); } // tx() {
switch(keyvol) {
case 0:keyvol=keyvol+1;sed();break; case 1:keyvol=keyvol+1;sed();break; case 2:keyvol=keyvol+1;sed();break; case 3:keyvol=keyvol+1;sed();break; case 4:keyvol=keyvol+1;sed();break; case 5:keyvol=keyvol+1;sed();break; case 6:keyvol=keyvol+1;sed();break; case 7:keyvol=keyvol+1;sed();break; case 8:keyvol=keyvol+1;sed();break; case 9:keyvol=keyvol+1;sed();break; case 10:keyvol=keyvol+1;sed();break; case 11:keyvol=keyvol+1;sed();break; case 12:keyvol=keyvol+1;sed();break;
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毕业设计 case 13:keyvol=keyvol+1;sed();break; case 14:keyvol=keyvol+1;sed();break; case 15:keyvol=keyvol+1;sed();break; default:break; } } // //
/**********键功能函数************/ keywork() {
keyvol=0x00;key1=0xf0;if(key0!=0xff) {delay1ms(20);if(key0!=0xff) {while(key0!=0xff);
key1=0xfe;if(key0!=0xff){for(i=0;i<8;i++){if(~key0==keyv[i]){keyvol=i;tx();}} }
else{key1=0xfd;if(key0!=0xff){for(i=0;i<8;i++){if(~key0==keyv[i]){keyvol=i+8;tx();}} }} //
key1=0xfb;if(key0!=0xff){for(i=0;i<8;i++){if(~key0==keyv[i]){keyvol=i+16;tx();}} } //
key1=0xf7;if(key0!=0xff){for(i=0;i<8;i++){if(~key0==keyv[i]){keyvol=i+24;tx();}} } } } } // //
/***********主函数***************/ main() {
clearmen(); //初始化
while(1) {
keywork(); //按键扫描 } } // //
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毕业设计 /*********40KHZ发生器***********/ // 定时中断T1
void time_intt1(void) interrupt 3 {
remoteout=~remoteout; } // //
//*********************结束**************************// 附录2：接收程序 /*********************************************************************/
// incept.c
// 遥控接收处理器
// LRM 2010.4.22 /*********************************************************************/
//使用AT89C52单片机，12MHZ晶振， //
//#pragma src(E:\\remote.asm) #include \
#include \#define uchar unsigned char #define uint unsigned int #define disout P1
sbit remotein=P3^1; // 遥控输入 sbit sin=P3^0; //基准正弦波相位输入 sbit AA=P0^0; sbit BB=P0^1; sbit CC=P0^2; sbit DD=P0^3; sbit EE=P0^4; sbit FF=P0^5; sbit GG=P0^6; sbit HH=P0^7; sbit II=P2^0; sbit JJ=P2^1; sbit KK=P2^2; sbit LL=P2^3; sbit MM=P2^4; sbit NN=P2^5;
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毕业设计 sbit PP=P2^6; sbit QQQ=P2^7; // //
uint i,j,m,n,k,s=1;
uint keyvol; //值存放 // ////
/*********1毫秒延时程序**********/ delay1ms(uint t) {
for(i=0;i for(j=0;j<120;j++) ; } // /***********初始化函数**********/ clearmen() { EX0=1; EA=1; //} // // // /**********函数************/ loop() { switch(disout&0x07) { case 0:{s=1;break;} case 1:{s=2;break;} case 2:{s=3;break;} case 3:{s=4;break;} case 4:{s=5;break;} case 5:{s=6;break;} case 6:{s=7;break;} case 7:{s=8;break;} default:break;} } // // /***********主函数***************/ 39 开总中断 毕业设计 main() { clearmen(); //初始化 loop(); P2=0xfe; while(1) { while(sin==1); delay1ms(s); QQQ=0;delay1ms(1);QQQ=1; } } // // /************外中断遥控接收函数**************/ //外中断0 void intt0(void) interrupt 0 { EX0=0;keyvol=0; if(remotein==0) {delay1ms(1); if(remotein==0) {while(1) {while(remotein==0); keyvol++;k=0; while(remotein==1){delay1ms(1);k++;if(k>2){ goto OOUUTT;};} } OOUUTT: switch(keyvol) { case 2:{AA=~AA;break;} case 3:{BB=~BB;break;} case 4:{CC=~CC;break;} case 5:{DD=~DD;break;} case 6:{EE=~EE;break;} case 7:{FF=~FF;break;} case 8:{GG=~GG;break;} case 9:{HH=~HH;break;} case 10:{PP=~PP;break;} case 11:{NN=~NN;break;} case 12:{MM=~MM;break;} case 13:{LL=~LL;break;} case 14:{KK=~KK;break;} case 15:{JJ=~JJ;break;} 40