LED+按键+数码管程序测试.doc

题号所用器件实现功能1前4个LED，4个按键#includesbit s1=P32;sbit s2=P33;sbit s3=P34;sbit s4=P35;void delayms(unsigned char m)unsigned char i;while(m-) for(i=0;i120;i+); void main() 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)delayms(10);if(s2=0)while(s2=0);P1=0xf0;delayms(250);P1=0xff;delayms(250);P1=0xf0;delayms(250);P1=0xff;if(s3=0)delayms(10);if(s3=0);while(s3=0);P1=0xf0;delayms(250);P1=0xff;delayms(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(250);P1=0xff;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；2数码管#include #define uchar unsigned char#define uint unsigned intvoid delayms(uchar ms)uchar i;while(ms-)for(i=0;i120;i+);void xianshi() 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 main() while(1) xianshi(); （从左往右数 18）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#define uchar unsigned charsbit key1=P32;sbit key2=P33;int a=0;void delayms(unsigned char ms) unsigned char i;while(ms-)for(i=0;i120;i+);void key()if(key1=0)delayms(200);while(key1=0);a=1;if(key2=0)delayms(200);while(key2=0);a=2;/*void xianshi() P1=0xf9;P2=0xfe;delayms(3); P1=0xa4;P2=0xfd;delayms(3); P1=0xb0;P2=0xfb;delayms(2); P1=0x99;P2=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);void xianshii() 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;delayms(2); P1=0xc0;P2=0xdf;delayms(3); P1=0xc0;P2=0xbf;delayms(2); P1=0xc0;P2=0x7f;delayms(2);*/void display()if(a=0) P1=0xf9;P2=0xfe;delayms(2); P1=0xa4;P2=0xfd;delayms(2); P1=0xb0;P2=0xfb;delayms(2); P1=0x99;P2=0xf7;delayms(2); P1=0xc0;P2=0xef;delayms(2); P1=0xc0;P2=0xdf;delayms(2); P1=0xc0;P2=0xbf;delayms(2); P1=0xc0;P2=0x7f;delayms(2); if(a=1) P1=0x99;P2=0xfe;delayms(2); P1=0xb0;P2=0xfd;delayms(2); P1=0xa4;P2=0xfb;delayms(2); P1=0xf9;P2=0xf7;delayms(2); P1=0xc0;P2=0xef;delayms(2); P1=0xc0;P2=0xdf;delayms(2); P1=0xc0;P2=0xbf;delayms(2); P1=0xc0;P2=0x7f;delayms(2);if(a=2) P1=0xf9;P2=0xfe;delayms(2); P1=0xa4;P2=0xfd;delayms(2); P1=0xb0;P2=0xfb;delayms(2); P1=0x99;P2=0xf7;delayms(2); P1=0xc0;P2=0xef;delayms(2); P1=0xc0;P2=0xdf;delayms(2); P1=0xc0;P2=0xbf;delayms(2); P1=0xc0;P2=0x7f;delayms(2);void main() while(1) key(); display(); 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”4最后2个数码管#include#define uchar unsigned char#define uint unsigned intsbit s1=P32;sbit s2=P33;uint i=0;uint m=0;uint n=0;uchar code led=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0x