求帮助出现multiple public definitions的错误，编译

只看该作者 · 2014-7-19 15:58

#include<reg52.h>  //52单片机头文件
#define uint unsigned int //宏定义
#define uchar unsigned char  //宏定义
sbit dula=P2^6;    //数码管段选锁存端
sbit wela=P2^7;    ////数码管位选锁存端
uchar ge,shi,bai;
uint tt;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void display(uchar bai,uchar shi,uchar ge); //函数声明
void delay(uint);
void main()
{
TMOD=0x10;//设置定时器1为工作方式1
TH1=(65536-10000)/256;
TL1=(65536-10000)%256;
EA=1;//开总中断
ET1=1;//开定时器1中断
TR1=1;//启动定时器1
while(1)
{
display(bai,shi,ge);
}
}

void exter0() interrupt 3 // 定时器1中断
{
TH1=(65536-10000)/256;
TL1=(65536-10000)%256;
tt++;
if(tt==1000)
tt=0;
bai=tt/100;
shi=tt%100/10;
ge=tt%10;
}

void display(uchar one,uchar two,uchar three)
{
      dula=1;
P0=table[one]; //送段数据
dula=0;
P0=0xff; //送位数据前关闭所有显示，防止打开位选锁存后段选数据通过位选锁存器
wela=1;
P0=0xfe;
wela=0;
delay(1);

dula=1;
P0=table[two];
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delay(1);

dula=1;
P0=table[three];
dula=0;
P0=0xff;
wela=1;
P0=0xfb;
wela=0;
delay(1);
}

void delay(uint z)    //延时子函数
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}