#include <reg52.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
uint dxf[8]; //定义一个数组，用于显示秒高低位、 分高低位、 时高低位及冒号
uint num1,num2,num3,num4,num5,num6,count1; //count1用于中断50MS时间到判断
uint fk0,fk1,fk2,fk3,fk4,fk5,fk6,fk7,ab1,ab2,ab3,ab4,ab5,ab6;
sbit LCDEn=P0^2;
sbit RS11=P0^0;
sbit rw=P0^1;
unsigned char code table[]={"HELLO 2015 "};
unsigned char code table1[]={"we are study: "};
unsigned char code tab12[]={'0','1','2','3','4','5','6','7','8','9'}; //用于液晶显示调用
unsigned char code tab13[]={":"} ;
unsigned char code tab11[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//用于数码显示调用
void delay2(num2) //长延时
{
uchar aa1;
for(;num2>0;num2--)
for(aa1=120;aa1>0;aa1--)
{;}
}
void T01() interrupt 1 /*****定时器T0中断子程序*****/
{
count1++ ;
if(count1==4)
{
num4++;
count1=0;
}
TH0=(65535-50000)/256; /*******50ms定时器，高八位******/
TL0= (65535-50000)%256;
}
void delay(unsigned int m )
{
unsigned char n; /****局部定义**/
for(;m>1;m--)
for(n=60;n>0;n--)
;
}
void okplay( )// 开显示
{
uchar aa2;
for(aa2=1;aa2<9;aa2++)
{
if(num4==60)
{
num5++;
if(num5==60)
{
num6++;
if(num6==24)
{
num6=0;
}
num5=0;
}
num4=0;
}
switch(aa2)
{
case 1: dxf[0]=num6/10; break;
case 2: dxf[1]=num6%10; break;
case 3: dxf[2]=0[tab13] ; break;
case 4: dxf[3]=num5/10; break;
case 5: dxf[4]=num5%10; break;
case 6: dxf[5]=0[tab13] ; break;
case 7: dxf[6]=num4/10; break;
case 8: dxf[7]=num4%10; P1=dxf[7][tab11]; P3=0X20; break;
}
}
}
void lowcom(unsigned char a) /****写命令**/
{
LCDEn=0;
RS11=0;
rw=0;
P2=a;
delay(2);
LCDEn=1;
delay(2);
LCDEn=0;
}
void lowwrite(uchar ab) /****写数据**/
{
LCDEn=0;
RS11=1;
rw=0;
P2=ab;
delay(2);
LCDEn=1;
delay(2);
LCDEn=0;
}
/********初始化程序********/
void invion()
{
lowcom(0x38); /****开显示**/
delay(2);
lowcom(0x0f); /****初始化**/
delay(2);
lowcom(0x06); /***写一个指针数加1**/
delay(2);
lowcom(0x0C);/****开显示不显光标**/
delay(2);
}
void main()
{
unsigned char xx1,xx2;
TMOD=0X01;
TH0=(65535-50000)/256; /*******5ms定时器，高八位******/
TL0= (65535-50000)%256;
EA=1; /******开总中断******/
ET0=1;/******允许T0中断******/
TR0=1; /*******T0中断开始******/
invion(); /****初始化**/
while(1)
{
okplay();
lowcom(0x80);/****显示第一行从第1 位开始显示**/
for(xx1=0;xx1<8;xx1++)
{
//原显示lowwrite( dxf[xx1][tab12])，因冒号无法显示改为switch语句
switch(xx1)
{
case 0:lowwrite( dxf[xx1][tab12]); break ;
case 1: lowwrite(dxf[xx1][tab12]); break;
case 2: lowwrite(dxf[0][tab13]); break; //显示冒号
case 3: lowwrite(dxf[xx1][tab12]); break;
case 4: lowwrite(dxf[xx1][tab12]); break;
case 5: lowwrite(dxf[0][tab13]); break; //显示冒号
case 6: lowwrite(dxf[xx1][tab12]); break;
case 7: lowwrite(dxf[xx1][tab12]); break;
}
}
lowcom(0x80+0X40);/****显示第二行静态显示**/
for(xx2=0;xx2<14;xx2++)
{
lowwrite(table1[xx2]);
delay(10);
}
}
}
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