#include <reg51.h>
#include <absacc.h>
#define DAC0832 XBYTE[0x7fff]
#define uchar unsigned char
#define uint unsigned int
sbit wei1=P3^0;
sbit wei2=P3^1;
sbit buzz=P3^5;
sbit relay1=P3^7;
sbit relay2=P3^4;
sbit K1=P2^0;
sbit K2=P2^1;
sbit K3=P2^2;
sbit K4=P2^3;
sbit K5=P2^4;
sbit K6=P2^5;
sbit K7=P2^6;
sbit ll=P3^2;
uchar a,b,c,n,KK;
bit flag;
uchar code tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
void delay(uint i)
{
while(i--);
}
void display()
{
wei1=1;
wei2=0;
P1=tab[a]&0x7f
delay(100);
P1=0xff;
wei1=0;
wei2=1;
P1=tab[ b]；
delay(100);
P1=0xff;
}
void main()
{
EA=1;
EX0=1;
IT0=1;
while(1)
{
if(flag==0)
{
a=c/10;
b=c%10;
}
if(K1==0)
{
delay(500);
if(K1==0)
{
flag=1;
}
while(K1==0);
}
if(flag==1)
{
if(K2==0)
{
delay(500);
if(K2==0)
{
n++;
if(n==1)
{
a=c/10;
}
if(n==2)
{
b=c%10;
}
if(n==3)
{
n=1;
}
}
while(K2==0);
}
}
if(K4==0)
{
delay(500);
if(K4==0)
{
if(n==1)
{
a++;
if(a==10)
{
a=9;
}
}
if(n==2)
{
b++;
if(b==10)
{
b=9;
}
}
}
while(K4==0);
}
if(K5==0)
{
delay(500);
if(K5==0)
{
if(n==1)
{
a--;
if(a==0xff)
{
a=0;
}
}
if(n==2)
{
b--;
if(b==0xff)
{
b=0;
}
}
}
while(K5==0);
}
if(K3==0)
{
delay(500);
if(K3==0)
{
flag=0;
c=a*10+b;
}
while(K3==0);
}
if(K6==0)
{
delay(500);
if(K6==0)
{
c++;
if(c==100)
c=99;
}
while(K6==0);
delay(5000); 單按也要保留 這里怎么修改才能達到長按K6能夠隔一段時間自動加
if(K6==0)
{
c++;
if(c==100)
c=99;
}
}
if(K7==0) 單按也要保留 這里怎么修改才能達到長按K7能夠隔一段時間自動加
{
delay(500);
if(K7==0)
{
c--;
if(c==0xff)
c=0;
}
while(K7==0);
}
DAC0832=c;
display();
}
}
void intt0() interrupt 0
{
buzz=0;
relay1=0;
relay2=0;
while(1)
{
wei1=0;
wei2=0;
}
}
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