LED+按键+数码管程序测试

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1、题号所用器件实现功能1前4个LED，4个按键#includesbits1=P3^2;sbits2=P3^3;sbits3=P3^4;sbits4=P3^5;voiddelayms(unsignedcharm){unsignedchari;while(m--){for(i=0;i<120;i++);}}voidmain(){while(1){if(s1==0){delayms(10);//防止机械抖动if(s1==0){while(s1==0);P1=0xf0;delayms(250);P1=0xff;}}if(s2==0

2、){delayms(10);if(s2==0){while(s2==0);P1=0xf0;delayms(250);P1=0xff;delayms(250);P1=0xf0;刚上电LED全灭；按下P32按键，LED灯亮灭闪烁一次；按下P33按键，LED灯亮灭闪烁二次；按下P34按键，LED灯亮灭闪烁三次；按下P35按键，LED灯亮灭闪烁四次；delayms(250);P1=0xff;}}if(s3==0){delayms(10);if(s3==0);{while(s3==0);P1=0xf0;delayms(250);P1=0xff;de

3、layms(250);P1=0xf0;delayms(250);P1=0xff;delayms(250);P1=0xf0;delayms(250);P1=0xff;}}if(s4==0){delayms(10);if(s4==0);{while(s4==0);P1=0xf0;delayms(250);P1=0xff;delayms(250);P1=0xf0;delayms(250);P1=0xff;delayms(250);P1=0xf0;delayms(250);P1=0xff;delayms(250);P1=0xf0;delayms(

4、250);P1=0xff;}}}}2数码管#include#defineucharunsignedchar#defineuintunsignedintvoiddelayms(ucharms){uchari;while(ms--){for(i=0;i<120;i++);}}voidxianshi(){P1=0xa3;P2=0xfd;delayms(3);P1=0x9c;P2=0xf7;delayms(3);P1=0x92;P2=0xdf;delayms(3);P1=0x08;P2=0x7f;delayms(3);}void

5、main(){while(1){xianshi();}}（从左往右数1—8）第一个数码管不显示第二个数码管显示“”第三个数码管不显示第四个数码管显示“”第五个数码管不显示第六个数码管显示“”第七个数码管不显示第八个数码管显示“”32个按键，前4个数码管#include#defineucharunsignedcharsbitkey1=P3^2;sbitkey2=P3^3;inta=0;刚上电数码管显示“1234”；按下P32按键显示“4321”，按下P33显示“1234”；其他四位数码管一直显示“0000”voiddela

6、yms(unsignedcharms){unsignedchari;while(ms--)for(i=0;i<120;i++);}voidkey(){if(key1==0){delayms(200);while(key1==0);a=1;}if(key2==0){delayms(200);while(key2==0);a=2;}}/*voidxianshi(){P1=0xf9;P2=0xfe;delayms(3);P1=0xa4;P2=0xfd;delayms(3);P1=0xb0;P2=0xfb;delayms(2);P1=0x99;P

7、2=0xf7;delayms(3);P1=0xc0;P2=0xef;delayms(2);P1=0xc0;P2=0xdf;delayms(3);P1=0xc0;P2=0xbf;delayms(2);P1=0xc0;P2=0x7f;delayms(2);}voidxianshii(){P1=0x99;P2=0xfe;delayms(3);P1=0xb0;P2=0xfd;delayms(3);P1=0xa4;P2=0xfb;delayms(2);P1=0xf9;P2=0xf7;delayms(3);P1=0xc0;P2=0xef;delaym

8、s(2);P1=0xc0;P2=0xdf;delayms(3);P1=0xc0;P2=0xbf;delayms(2);P1=0xc0;P2=0x7f;delayms(2);}*/voiddis