遥控器解码-按键值显示.doc

《遥控器解码-按键值显示.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、#includesbitbeep=P1^5;sbitIR=P3^2;//红外接口标志#defineDataPortP0//定义数据端口程序中遇到DataPort则用P0替换sbitLATCH1=P2^2;//定义锁存使能端口段锁存sbitLATCH2=P2^3;//位锁存/*------------------------------------------------全局变量声明------------------------------------------------*/unsignedcharcodedofly

2、_DuanMa[10]={~0x3f,~0x06,~0x5b,~0x4f,~0x66,~0x6d,~0x7d,~0x07,~0x7f,~0x6f};//显示段码值0~9unsignedcharirtime;//红外用全局变量bitirpro_ok,irok;unsignedcharIRcord[4];unsignedcharirdata[33];/*------------------------------------------------函数声明--------------------------------------------

3、----*/voidIr_work(void);voidIrcordpro(void);voiddelay(unsignedintm);voidbeep0(unsignedintn);/*------------------------------------------------定时器0中断处理------------------------------------------------*/voidtim0_isr(void)interrupt1using1{irtime++;//用于计数2个下降沿之间的时间}/*---------

4、---------------------------------------外部中断0中断处理------------------------------------------------*/voidEX0_ISR(void)interrupt0//外部中断0服务函数{staticunsignedchari;//接收红外信号处理staticbitstartflag;//是否开始处理标志位if(startflag){if(irtime<63&&irtime>=33)//引导码TC9012的头码，9ms+4.5msi=0;irdata[i

5、]=irtime;//存储每个电平的持续时间，用于以后判断是0还是1irtime=0;i++;if(i==33){irok=1;i=0;}}else{irtime=0;startflag=1;}}/*------------------------------------------------定时器0初始化------------------------------------------------*/voidTIM0init(void)//定时器0初始化{TMOD=0x02;TH0=0x00;TL0=0x00;ET0=1;TR0=1

6、;}/*------------------------------------------------外部中断0初始化------------------------------------------------*/voidEX0init(void){IT0=1;//指定外部中断0下降沿触发，INT0(P3.2)EX0=1;//使能外部中断EA=1;//开总中断}/*------------------------------------------------键值处理---------------------------------

7、---------------*/voidIr_work(void)//红外键值散转程序{switch(IRcord[2])//判断第三个数码值{case0x0c:DataPort=dofly_DuanMa[1];beep0(1);break;//1显示相应的按键值case0x18:DataPort=dofly_DuanMa[2];beep0(2);break;//2case0x5e:DataPort=dofly_DuanMa[3];beep0(3);break;//3case0x08:DataPort=dofly_DuanMa[4];b

8、eep0(4);break;//4case0x1c:DataPort=dofly_DuanMa[5];beep0(5);break;//5case0x5a:DataPort=dofly_Dua