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#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
uchar flag,a,i,ads,qian,bai,shi,ge,num1,num2;
sbit C1=P2^5;
sbit C2=P2^6;
sbit C3=P2^3;
sbit C4=P2^4;
uchar code t[]={0x05,0x7d,0x46,0x54,0x3c,0x94,0x84,0x5d,0x04,0x14};
void delay(uint x)
{
uint i,j;
for(i=x;i>0;i--)
for(j=110;j>0;j--);
}
void qwer(qian,bai,shi,ge)
{
C1=0;
P0=t[qian];
delay(1);
P0=0xff;
C1=1;
C2=0;
P0=t[bai];
delay(1);
P0=0xff;
C2=1;
C3=0;
P0=t[shi];
delay(1);
P0=0xff;
C3=1;
C4=0;
P0=t[ge];
delay(1);
P0=0xff;
C4=1;
}
void init()
{TMOD=0x20;
TH1=0xfd;
TL1=0xfd;
TR1=1;
SCON=0x50;
REN=1;
EA=1;
ES=1;
}
void main()
{
init();
if(flag==1)
{
qian=num1/10; //num1高位賦第一位
bai=num1%10; //num1低位賦第二位
shi=num2/10; //num2高位賦第三位
ge=num2%10;
qwer(qian,bai,shi,ge);}
}
void UART1_Routine() interrupt 4 //串口中斷
{
if (RI)
{
RI = 0; //清除RI位
ads= SBUF; //接收緩沖寄存器
bai=ads&0x0f; //數(shù)組接收百位數(shù)字
qian=(ads&0xf0)>>4; //數(shù)組接收千位數(shù)字
num1=qian*10+bai;
ads=0x00;
while(!RI); //等待接收完成
RI=0; //清除RI位
ads= SBUF; //接收緩沖寄存器
ge=ads&0x0f; //數(shù)組接收個(gè)位數(shù)字
shi=(ads&0xf0)>>4; //數(shù)組接收十位數(shù)字
num2=shi*10+ge;
flag=1;
}
if (TI)
{
TI = 0; //清除TI位
}
}
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