利用AT89C51单片机采用C语言实现了万年历,可以显示日期,星期,时间等等

#include <AT89X51.H> #include<absacc.h> unsigned char code day[]={0x80,0xc0,0x88,0x91}; unsigned char code dispcode[]={0xc0,0xf9,0xa4,0xb0,0x99, 0x92,0x82,0xf8,0x80,0x90}; #define LED_SHOW XBYTE[0x00] #define LED_CODE XBYTE[0x20] void delay(int d1,int d2) { int i,j; for(i=0;i<d1;i++) { ; for(j=0;j<d2;j++) ; } } void xianshi(unsigned int t,t1)//显示数据(共阳） { unsigned int g,g1,s,s1,b,b1,q,q1,tt,tt1; tt=t; g=tt%10; s=(tt%100)/10; b=(tt%1000)/100; q=tt/1000; tt1=t1; g1=tt1%10; s1=(tt1%100)/10; b1=(tt1%1000)/100; q1=tt1/1000; //////////////////////// P3_6=0; P2=0xff; P0=0xff; P2=0X20; P0=0X4; P2=0X00; P0=dispcode[g1]; delay(1,200); P2=0xff; P0=0xff; P2=0X20; P0=0X8; P2=0X00; P0=dispcode[s1]; delay(1,200); P2=0xff; P0=0xff; P2=0X20; P0=0X1; P2=0X00; P0=dispcode[b1]; delay(1,200); P2=0xff; P0=0xff; P2=0X20; P0=0X2; P2=0X00; P0=dispcode[q1]; delay(1,200); P2=0xff; P0=0xff; P2=0X20; P0=0X40; P2=0X00; P0=dispcode[g]; delay(1,200); P2=0xff; P0=0xff; P2=0X20; P0=0X80; P2=0X00; P0=dispcode[s]; delay(1,200); P2=0xff; P0=0xff; P2=0X20; P0=0X10;/////////////// P2=0X00; P0=dispcode[b]; delay(1,200); P2=0xff; P0=0xff; P2=0X20; P0=0X20; P2=0X00; P0=dispcode[q]; delay(1,200); } void main(void) { unsigned char i; unsigned int cnt=0,cnt1=0; for(;;) { for(i=0;i<=20;i++) { delay(400,5000); xianshi(cnt,cnt1); } cnt++; if((cnt%10)==0) { cnt=0; cnt1++; if(cnt1==10000) cnt1=0; } } }