基于51单片机的红外遥控计算器程序(附电路图,注释详细).doc

/*基于51单片机的红外遥控计算器程序*/*本程序用基于TC9012遥控器可直接操作，电路图，遥控器编码图在最后*/#include#include#include#define uint unsigned int#define uchar unsigned char#define lint unsigned long int sbit IR=P32; /红外接口标志bit irpro_ok,irok;uchar irtime,X,mir,fir; /红外用全局变量uchar IRcord4, irdata33;uchar DATA18=0,0,0,0,0,0,0,0; /第一个数uchar DATA28=0,0,0,0,0,0,0,0; /第二个数uchar RESUIT8=0,0,0,0,0,0,0,0; /结果 uchar px1=0,px2=0,px3=0,flag=0,flag1=0,flag2=0,flag3=0,f1=0,f2=0,f3=0,f4=0; /各全局变量uchar temp,key,fang1,fang2;lint x1=0,x2=0,y=0; /输入的数及其结果void delay(msx); /ms延时函数void Init(); /系统初始化void INTInit(); /中断初始化void Ircordpro(); /红外码值处理函数void keyscan(); /键值检测void delay(uint); /延时void DataOper(); /数据运算void DataHandle(); /数据接收void DisplayHandle(); /显示处理void display(uchar,uchar); /数码管显示函数void main() INTInit();P0=0x00;while(1) keyscan(); DataHandle(); DisplayHandle(); void INTInit() TMOD=0x02; /定时器0工作方式2，TH0是重装值，TL0是初值TH0=0x00; /reload valueTL0=0x00; /initial valueET0=1; /开中断TR0=1;IT0 = 1; / Configure interrupt 0 for falling edge on /INT0 (P3.2)EX0 = 1; / Enable EX0 InterruptEA = 1; void Init() /初始化，所有数据归零 uchar i; px1=0;px2=0;px3=0; flag=0;flag1=0;flag2=0;flag3=0; f1=0;f2=0;f3=0;f4=0; x1=0;x2=0;y=0; for(i=0;i8;i+) DATA1i=0;DATA2i=0;RESUITi=0;void delay(msx) /msx为延时毫秒数uint i,j;for(i=0;i=msx;i+)for(j=0;j=110;j+);void display(uchar n,uchar m) /n是第几只数码管，m是显示的数字是多少 P0=P0&0x80; P0=P0|(n4); P0=P0|m;void tim0_isr (void) interrupt 1 using 1/定时器0中断服务函数irtime+;void ex0_isr (void) interrupt 0 using 0/外部中断0服务函数if(fir) if(irtime=31)mir=0; /4.5ms+4.5msirdatamir=irtime;irtime=0; mir+; if(mir=33)irok=1;mir=0;fir=0;elseirtime=0;fir=1;void Ircordpro(void) /红外码值处理函数 unsigned char i, j, k; unsigned char cord,value; k=1; for(i=0;i4;i+) /处理4个字节 for(j=1;j7) value=value|0x80; else value=value; if(j1; k+; IRcordi=value; value=0; if(IRcord0=IRcord1)&(IRcord2=IRcord3) X=IRcord2;fang2=1;void keyscan() /矩阵键值扫描子函数 if(irok)Ircordpro();irok=0;fang1=1; if(fang1=1)&(fang2=1) fang1=0;fang2=0; switch(X) case 0x08: key=0;flag=1;break; case 0x01: key=1;flag=1;break; case 0x02: key=2;flag=1;break; case 0x03: key=3;flag=1;break; case 0x05: key=4;flag=1;break; case 0x06: key=5;flag=1;break; case 0x07: key=6;flag=1;break; case 0x09: key=7;flag=1;break; case 0x0A: key=8; flag=1;break; case 0x0B: key=9; flag=1;break; case 0x10: key=10;flag1=1;display(7,0);break; case 0x1A: key=11;flag1=1;display(7,0);break; case 0x16: key=12;flag2=1;Init();break; case 0x11: key=13;flag2=1;DataOper();break; case 0x15: key=14;flag1=1;display(7,0);break; case 0x19: key=15;flag1=1;display(7,0);break; void DataOper() uchar i,j,m=0;lint k=0; for(i=0;i(px1-1);i+) /把第一个数组中的数处理成十进制数 k=DATA1i; for(j=0;j(px1-i-1);j+) k=k*10; x1=x1+k; x1=x1+DATA1px1-1; for(i=0;i(px2-1);i+) /把第二个数组中的数处理成十进制数 k=DATA2i; for(j=0;j(px2-i-1);j+) k=k*10; x2=x2+k;x2=x2+DATA2px2-1; if(f1=1) y=x1+x2; /根据标志位进行运算 else if(f2=1) y=x1-x2;else if(f3=1) y=x1*x2;else if(f4=1) y=x1/x2;RESUIT0=y/10000000; /把各位分离出来存入结果数组中RESUIT1=(y%10000000)/1000000;RESUIT2=(y%1000000)/100000;RESUIT3=(y%100000)/10000;RESUIT4=(y%10000)/1000;RESUIT5=(y%1000)/100;RESUIT6=(y%100)/10;RESUIT7=y%10;while(!RESUITm) m+;px3=m; void DataHandle() /把每次按键的结果记录下来，并存到适当的位置 if(key10)&(flag=1)&(flag1=0) DATA1px1=key; px1+; flag=0; else if(key10)&(flag=1)&(flag1=1) DATA2px2=key; px2+; flag=0; else if(flag1=1) switch(key)case 10 : f1=1;f2=0;f3=0;f4=0;break; / +case 11 : f1=0;f2=1;f3=0;f4=0;break; / -case 14 : f1=0;f2=0;f3=1;f4=0;break; / *case 15 : f1=0;f2=0;f3=0;f4=1;break; / / void DisplayHandle() /将数据显示在数码管上 uchar i,x; if(flag1=0)&(flag2=0) x=px1; if(px1=