单片机液晶时钟显示模块的C程序.docVIP

#include reg52.h #define uchar unsigned char #define uint unsigned int uchar code tabledu[]={ 0,1,2,3,4,5,6,7,8,9}; uchar code tablewe[]={20, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}; uchar code *tableweek[7]={ MON,TUE,WED,THU,FRI,SAT,SUN}; sbit rs=P1^0; sbit rw=P1^1; sbit lcden=P1^2; sbit keybe=P3^2; sbit keysw=P3^3; sbit keyin=P0^0; sbit ring=P3^4; sbit L1=P0^4; void second(uchar,uchar); void minute(uchar,uchar); void hour(uchar,uchar); void day(uchar,uchar); void month(uchar,uchar); void year(uchar,uchar,uchar,uchar); void week(uchar); void delay(uchar); void delay1(uchar); uint dissec,dismin,dishou,disweek,disday,dismon,disyear; uchar count,a,num1=0,num2=0,sec1=0,sec2=0,min1=0,min2=0,hou1=0,hou2=0,week1=0,day1=0,day2=0,mon1=0,mon2=0,year1=0,year2=0,year3=0,year4=0; void write_com(uchar com) //液晶控制 { rs=0; P2=com; delay(1); lcden=1; delay(1); lcden=0; } void write_date(uchar date) //数据控制 { rs=1; P2=date; delay1(1); lcden=1; delay1(1); lcden=0; } void init() //初始化 { lcden=0; rw=0; write_com(0x38); //显示模式的设置 delay(2); write_com(0x0c); //开显示 delay(2); write_com(0x06); //读或者写入数据光标自动加1 delay(2); write_com(0x01); //清0，复位可重新开始 delay(2); } void string() //日期分隔符号 { write_com(0x84); delay(1); write_date(-); delay(1); write_com(0x87); delay(1); write_date(-); delay(1); write_com(0xc7); delay(1); write_date(:); delay(1); write_com(0xca); delay(1); write_date(:); delay(1); } void main() //主函数 { while(1){ init(); second(sec2,sec1); minute(min2,min1); hour(hou2,hou1); week(week1); day(day2,day1); month(mon2,mon1); year(year4,year3,year2,year1); L1=0; if(0==keysw) //按S18键可进行位调换 { delay(1); if(0==keysw) { num2++; if(num2==16) num2=1; } }while(!keysw); if(0==keyin) //按S1可进行数值增加 { delay(1); if(0==keyin) { switch(tablewe[num2]) { case 1:sec1++;if(10==sec1)sec1=0;break; case 2:sec2++;if(6==sec2)sec2=0;break; case 3:min1++;if(10==min1)min1=0;brea