基于stc89c51单片机的1602液晶简易万年历.docxVIP

基于stc89c51单片机的简易万年历 //基于stc89c51单片机的简易万年历设计 //zzuli-wuzhipeng #includereg52.h #define uchar unsigned char #define uint unsigned int uchar shi=0,fen=0,miao=0,ri=7,yue=1,Z=1,Y=1,i,K1num; uint nian=2015; uchar count_10ms,K1num; sbit rs=P2^0; sbit rw=P2^1; sbit lcden=P2^2; sbit K1=P3^0; sbit K2=P3^1; sbit K3=P3^2; sbit BEEP=P3^7; void delay(uint x) // 简单延时程序 { uint a,b; for(a=x;a0;a--) for(b=10;b0;b--); } bi(uint t)// 控制响铃时间程序 { int c,n; for(c=0;ct;c++) { for(n=0;n50;n++); BEEP=~BEEP; } return(t); } void write_com(uchar com)// 1602液晶写指令 { P0=com; rs=0; rw=0; lcden=0; delay(10); lcden=1; delay(10); lcden=0; } void write_date(uchar date)//1602液晶写数据 { P0=date; rs=1; rw=0; lcden=0; delay(10); lcden=1; delay(10); lcden=0; } void beep()// 喇叭 { BEEP=0; delay(100); BEEP=1; delay(100); } void naozhong()// 闹钟 { if((Z==shi)(Y==fen)(miao10)) { bi(500); } } void shijian(uint t,add ) { if (t100) { uchar a,b,c,d; a=t/1000+0x30; b=t/100%10+0x30; c=t/10%10+0x30; d=t%10+0x30; write_com(add); write_date( a); write_date( b); write_date( c); write_date( d); } else { uchar m=0,n=0; m=t/10+0x30; n=t%10+0x30; write_com(add); write_date( m); write_date( n); } } void LCD_disp() { shijian(shi,0x80+0 ); write_com(0x80+2); write_date(0x3a); shijian(fen,0x80+3 ); write_date(0x3a); shijian(miao,0x80+6 ); write_date( 0x2d); write_date( 0x2d); write_date( 0x2d); shijian(Z,0x80+11 ); write_date(0x3a); shijian(Y,0x80+14 ); shijian(nian,0xc0+0 ); write_date( 0x2d); shijian(yue,0xc0+5 ); write_date( 0x2d); shijian(ri,0xc0+8 ); } void init()// 1602液晶初始化 { write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01); } void timer1_init()// 定时器初始化 { TMOD=0x01; TH0=0x4c;TL0=0x00; EA=1;ET0=1; TR0=1; } void timer0() interrupt 1 using 0// 中断程序 { TH0=0x4c;TL0=0x00; count_10ms++; if (count_10ms==20 )