按键点灯程序

2014-12-12 20:38:04 2413

0 #include *it duan=P2^6; it wei=P2^7; it led=P0^0; it led1=P0^1; it led2=P0^2; it key=P1^2; it key1=P1^3; it key2=P1^4; it key3=P1^5; it key4=P1^6; **it key5=P1^7; #define shuju P3 unsigned char i; unsigned char duanma[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}; void delay(unsigned int k) { unsigned int j; while(k--) for(j=0;j<120;j++); } void main() { P3=0x00; while(1) { if(key==0) { delay(10); if(key==0) { while(!key); led=!led; //红灯 } } if(key1==0) { delay(10); if(key1==0) { while(!key1); led1=!led1; //黄灯 } } if(key2==0) { delay(10); if(key2==0) { while(!key2); led2=!led2; //绿灯 } } if(key3==0) { delay(10); if(key3==0) { while(!key3); for(i=0;i<9;i++) // 红灯闪烁次数 { P3=duanma[i]; delay(100); led=0; led1=1; led2=1; delay(100); led=1; } } } if(key4==0) { delay(10); if(key4==0) { while(!key4); for(i=0;i<10;i++) // 黄灯闪烁次数 { P3=duanma[i]; delay(100); led=1; led1=0; led2=1; delay(100); led1=1; } } } if(key5==0) { delay(10); if(key5==0) { while(!key5); for(i=0;i<7;i++) // 绿灯闪烁次数 { P3=duanma[i]; delay(100); led=1; led1=1; led2=0; delay(100); led2=1; } } } } } 0
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