本帖最后由 junyu99 于 2018-5-2 01:38 编辑
/*----------------------------
初始化ADC---------------------------- */void InitADC(){ P1ASF=0x0f; //设置P1.0 /P1.1/P1.2/P1.3端口作为模拟输入 ADC_RES = 0; //清除结果寄存器 ADC_CONTR = ADC_POWER | ADC_SPEEDHH | ADC_START | 0; _delay_ms(1); //ADC上电并延时}/*******************定时器0*******************/void Inittimer0(){ TMOD = 0x01; TH0 = 0x0FC; TL0 = 0x18; EA = 1; ET0 = 1; TR0 = 1;}uchar PianLi(uchar a) //求|a-127|+1，离中值{ if(a>127)return (a-127); //1到128 else return (128-a);}void chuli(uchar x,uchar y,uchar *c,uchar *d,uchar *e) //{ uchar pianlix,pianliy; pianlix=PianLi(x); pianliy=PianLi(y); if(pianlix>20||pianliy>20) { if(100*pianliy<=41*pianlix)*e=1; // 0到22.5度 else if(100*pianliy>=241*pianlix)*e=3;// 67.5度到90度 else *e=2;// 22.5度到67.5度 if(x>127)*c=1; else *c=2; if(y>127)*d=1; else *d=2; } else *c=*d=0;}uchar dx1,dx2,dy1,dy2; //1正2负0中uchar xy1,xy2; //1:0到22.5度 2:22.5度到67.5度 3：67.5度到90度void main (void){ //uchar zhix1,zhix2,zhiy1,zhiy2;P1M0=0x00;P1M1=0xff;//P2M0=255;P2M1=0;P3M0=255;P3M1=0;
InitADC(); //初始化ADC InitTimer0(); while (1) //主循环 { if(dx1&&dy1) //左摇杆 while(dx1==1&&dy1==1&&xy1=1); { if(dx1==1&&dy1==1&&xy1==1){P31=P30=0;_delay_ms(500);P31=P30=1;} if(dx1==1&&dy1==1&&xy1==2){P31=P30=0;P32=P33=0;_delay_ms(500);P31=P30=1;P32=P33=1;}// if(dx1==1&&dy1==1&&xy1==3){P32=P33=0;_delay_ms(500);P32=P33=1;}
if(dx1==1&&dy1==2&&xy1==1){P31=P30=0;_delay_ms(500);P31=P30=1;} if(dx1==1&&dy1==2&&xy1==2){P34=P35=0;P31=P30=0;_delay_ms(500);P34=P35=1;P31=P30=0;}// if(dx1==1&&dy1==2&&xy1==3){P34=P35=0;_delay_ms(500);P34=P35=1;}
if(dx1==2&&dy1==1&&xy1==1){P36=P37=0;_delay_ms(500);P36=P37=1;} if(dx1==2&&dy1==1&&xy1==2){P32=P33=0;P36=P37=0;_delay_ms(500);P32=P33=1;P36=P37=1;}// if(dx1==2&&dy1==1&&xy1==3){P32=P33=0;_delay_ms(500);P32=P33=1;}
if(dx1==2&&dy1==2&&xy1==1){P36=P37=0;_delay_ms(500);P36=P37=1;} if(dx1==2&&dy1==2&&xy1==2){P34=P35=0;P36=P37=0;_delay_ms(500);P34=P35=1;P36=P37=1;}// if(dx1==2&&dy1==2&&xy1==3){P34=P35=0;_delay_ms(500);P34=P35=1;} } if(dx2&&dy2) //摇杆 while(dx1==1&&dy1==1&&xy1=1); { if(dx2==1&&dy2==1&&xy2==1){P21=P20=0;_delay_ms(500);P21=P20=1;} if(dx2==1&&dy2==1&&xy2==2){P21=P20=0;P22=P23=0;_delay_ms(500);P21=P20=1;P22=P23=1;}// if(dx2==1&&dy2==1&&xy2==3){P22=P23=0;_delay_ms(500);P22=P23=1;}
if(dx2==1&&dy2==2&&xy2==1){P21=P20=0;_delay_ms(500);P21=P20=1;} if(dx2==1&&dy2==2&&xy2==2){P24=P25=0;P21=P20=0;_delay_ms(500);P24=P25=1;P21=P20=0;}// if(dx2==1&&dy2==2&&xy2==3){P24=P25=0;_delay_ms(500);P24=P25=1;}
if(dx2==2&&dy2==1&&xy2==1){P26=P27=0;_delay_ms(500);P26=P27=1;} if(dx2==2&&dy2==1&&xy2==2){P22=P23=0;P26=P27=0;_delay_ms(500);P22=P23=1;P26=P27=1;}// if(dx2==2&&dy2==1&&xy2==3){P22=P23=0;_delay_ms(500);P22=P23=1;}
if(dx2==2&&dy2==2&&xy2==1){P26=P27=0;_delay_ms(500);P26=P27=1;} if(dx2==2&&dy2==2&&xy2==2){P24=P25=0;P26=P27=0;_delay_ms(500);P24=P25=1;P26=P27=1;}// if(dx2==2&&dy2==2&&xy2==3){P24=P25=0;_delay_ms(500);P24=P25=1;} } }}void Timer0Interrupt() interrupt 1{ // TH0 =(65535-1000)/256; // TL0 =(65535-1000)%256; chuli(255-zhADC(2),zhADC(3),&dx1,&dy1,&xy1); chuli(255-zhADC(1),zhADC(0),&dx2,&dy2,&xy2);}
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