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#include"reg52.h"
#include"stdlib.h" // //包含隨機(jī)數(shù)函數(shù)的頭文件
#define uint unsigned int
#define uchar unsigned char
#define max 50 //max
#define min 1 //min
uint a,c,d,e,f=0;
uchar code smgduan[11]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x00};
DisplayData[8];
bit gg;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
sbit k1=P3^0; //按鍵
sbit k2=P3^1;
void inittimer()
{
TMOD|=0x11;
TH0=(65535-1000)/256;
TL0=(65535-1000)%256;
EA=1;
ET0=1;
TR0=1;
}
void delay(uint x)
{
while(x--);
}
void DigDisplay() //138位選
{
uchar i;
for(i=0;i<8;i++)
{
switch(i)
{
case(0):
LSA=0;LSB=0;LSC=0; break;
case(1):
LSA=1;LSB=0;LSC=0; break;
case(2):
LSA=0;LSB=1;LSC=0; break;
case(3):
LSA=1;LSB=1;LSC=0; break;
case(4):
LSA=0;LSB=0;LSC=1; break;
case(5):
LSA=1;LSB=0;LSC=1; break;
case(6):
LSA=0;LSB=1;LSC=1; break;
case(7):
LSA=1;LSB=1;LSC=1; break;
}
P0=DisplayData[7-i];
if(c>=200){c=0;};
P0=0x00;
}
}
void datapros() //段選
{
DisplayData[0] = smgduan[a/10];
DisplayData[1] = smgduan[a%10];
DisplayData[2] = 0x40;
DisplayData[3] = smgduan[d/10];
DisplayData[4] = smgduan[d%10];
DisplayData[5] = 0x40;
DisplayData[6] = smgduan[e/10];
DisplayData[7] = smgduan[e%10];
}
void main()
{
double b;
inittimer();
haha:for(b=0;b<50000000;b++)
{
srand(b);
a = rand()%49+1;
srand(c);
d = rand()%49+1;
srand(b-c);
e = rand()%49+1;
datapros();
if(k1==0)
{
delay(1000);if(k1==0)
{
TR0=0;;while(k2){DigDisplay();};TR0=1;
}
}
delay(5500); //更改括號(hào)內(nèi)數(shù)字來更改刷新速度
}
goto haha;
}
void init()interrupt 1
{
TH0=(65535-1000)/256;
TL0=(65535-1000)%256;
DigDisplay();
c++;
}

復(fù)制代碼