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111.c
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111.c
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#include<reg52.h>
#include<intrins.h>
#define uint unsigned int;
#define uchar unsigned char;
#define ulong unsigned long int;
sbit k1=P1^0;
sbit k2=P1^1;
sbit k3=P1^2;
sbit k4=P1^3;
sbit ln=P2^0;
sbit ls=P2^1;
ulong add,dat[20]=0;
uchar t,aa,max,min1,min0,sec1,sec0,one;
uchar code table[]="Number ";
uchar code table1[]="0123456789";
uchar code table2[]=":.";
void delay(int);
void write_com(uchar com)
{
ls=0;
P0=com;
delay(5);
ln=1;
delay(5);
ln=0;
}
void write_data(uchar date)
{
ls=1;
P0=date;
delay(5);
ln=1;
delay(5);
ln=0;
}
void init();
void main()
{
init();
while(1)
{
if(k1==0)
{
delay(5);
if(k1==0)
{
TR0=~TR0;
if(TR0==1)
dat[t++]=add;
}
}
if(k2==0)
{
delay(5);
if(k2==0)
{
TR0=0;
ET0=0;
max=t;
if(k2==0)
delay(5);
if(k2==0)
add=0;
}
}
if(k3==0)
{
delay(5);
if(k3==0)
{
if(ET0==0)
if(t>0)
t--;
}
}
if(k4==0)
{
delay(5);
if(k4==0)
{
if(ET0==0)
if(t<max)
t++;
}
}
}
void init()
{
TMOD=0x01;
TH0=(65536-10000)/256;
TL0=(65536-10000)%256;
EA=1; //开总中断
ET0=1; //计时器0开启
TR0=0; //计时器先关闭
ln=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
}
void delay(int z)
{
int i,j;
for(i=z;i>0;i--)
for(j=110;j>0;j--);
}
void timer0() interrupt 1
{
TH0=(65536-10000)/256;
TL0=(65536-10000)%256;
aa++;
if(aa==1)
{
aa=0;
add++;
}
}