基于C51单片机4按键4种花样流水灯设计

1、；.- -15ixfali:154-he6王一xtal2fisn,ps=emale 灰p1iftzf1.1hzexf12f13 fl.4im6 p1j6pi.?kiasuscpuh如口 po.vadil pcizxszpaw。， pqsac-s pcjs灿 6 p(j.7m8p2iw2 p2.va9p2a-id p2a11 p2.wa12 p2-wa13 pnwu pz.7/a15p3hflxdp3.1hxdf3wtof3wttp3.aiip3 . .留99999999 f 9999*0k i n w 0 i* i e r1n|a.jj. . . . k. . . . j2. . . . h.

2、 . . . i . . . . h. . . . . hd9 jk p1q* d1：1iflk d12 d1：3jk dt4： d1：5： d1：6：lec-fv leoleii-r.e11h lec-r.eiv let-r.ecd16ut。丁曰r9 : 33d . s：txtr10 . 3x. s：tjext不。e |r12 ：| r13 .-s=t6e l3d .夕 fext. l.*ru ： 33d . s=tje%e：texrr1s .3x.s=tjextctectr16 .3d . i=tjext .#mclude#define uchar unsigned char#define

3、 umt unsigned mt#define led p3uchar i,flaghflag2,flag3,flag4;产* * 定义按键* */sbit kl=p2a4;sbit k2=p2a5;sbit k3=p2a6;sbit k4=p2a7;产* *流水灯花样设计 * */uchar table l=0xfe,0xfc,0xfb,0xfi),0xe0.0xc0.0x80.0x00.0x80.0xc0,0xe0,0xf0,0xf8.0xfc,0xfc,0xff);/*从右到左逐一点亮反向灭之*/*0xfe,0xfd.0xfb,0xf7,0xef,0xdf,0xbf,0x7# 左移 */

4、uchartable2=0x7f.0xbf0xdf,0xe0xf7.0xfb.0xfd,0xfe,0xfd.0xfb.0xf7,0xe0xdf0xbf);芦*左右循环*/uchai table3=0x7e.0xbd.0xdb,0xe7,0xff);/*两头靠拢*/uchai table4=oxaa.0x5 5 ;/* 闪烁 * * * */产* *延时程序* *,void delay(uint x)uiiit i;wliile(x) fbi(i=50;i0;i-);)产 *判断按键* */void keyscan()if(kl=o)delay(10);if(kl=o)flag2=0; flag

5、3=0; flag4=0; flagl=l； if(k2=0) delay(lo); if(k2=0) flag3=o; flag 1=0; flag4=0; aag2=l； ) if(k3=0) delay(lo); if(k3=0) flag 1=0; flag2=0; flag4=0; aag3=l； ) if(k4=0) delay(lo); if(k4=0) flagl=o; flag2=0; flag3=0;flag4=l;产* * 主程序 * */void main() wlule(l)keyscanq;if(flagl=l)fbr(i=0;i16;i+)led=tableli;delay(200);keyscanq;if(flag2=l) fbr(i=0;i14;i+)led=table2i;delay(300);keyscanq;)if(flag3=l) fbr(i=o;i5;i+)led=tab