基于51单片机的可调时24小时时钟共阳极数码管程序(共5页)

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1、精选优质文档-倾情为你奉上#include#define uchar unsigned char #define uint unsigned intsbit key1=P10;sbit key2=P11;sbit key3=P12;sbit key4=P13;sbit key5=P14;sbit key6=P15;char code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d, 0x7d,0x07,0x7f,0x6f,0x77, 0x7c,0x39,0x5e,0x79,0x71; uchar miao ,fen ,shi,num; /*简单延时去抖*/void de

2、lay(uchar x)uchar i,j;for(i=0;i200;i+)for(j=0;jx;j+);/*视觉停留*/void delay2()uchar k=100;while(k) k-;/*调表程序用P1口key1,2 3,45,6分别控制秒，分，时的调整，奇数项加一，偶数项减一*/void tiaoshi()if(key1=0)delay(6000);if(key1=0)TR0=0;if(miao!=59) miao+;else miao=0;delay(6000);if(key1=1)TR0=1;if(key2=0)delay(6000);if(key2=0)TR0=0;if(m

3、iao!=0) miao-;else miao=59;delay(6000); if(key2=1) TR0=1;if(key3=0)delay(600);if(key3=0) if(fen!=59) fen+;else fen=0;if(key4=0)delay(600);if(key4=0)if(fen!=0) fen-;else fen=59;if(key5=0)delay(600);if(key5=0)if(shi!=23) shi+;else shi=0;if(key6=0)delay(600);if(key6=0)if(shi!=0) shi-;else shi=23;void d

4、isplay()while(1) P3=0xfe;P2=tableshi/10;delay2();P3=0xfd;P2=tableshi%10;delay2(); P3=0xf7;P2=tablefen/10;delay2();P3=0xef;P2=tablefen%10;delay2();P3=0xbf;P2=tablemiao/10;delay2();P3=0x7f;P2=tablemiao%10;delay2(); P3=0xdb;P2=0X40;delay2();tiaoshi(); void main()EA=1; ET0=1; TMOD=0x01; TH0=(65526-50000)/256;TL0= (65526-50000)%256;TR0=1; delay(10000);delay(10000);while(1) display();void time0() interrupt 1TH0=(65526-50000)/256;TL0=(65526-50000)%256;num+; if(num=20)num=0;if(miao=59)miao=0;if(fen=59) fen=0;if(shi=23) shi=0;else shi+;elsefen+;elsemiao+;专心-专注-专业