#include <reg52.h>
#include <i2c.h>
typedef unsigned char u8;
typedef unsigned int u16;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^3;
sbit k1=P3^0;
sbit k2=P3^1;
sbit k3=P3^2;
sbit k4=P3^3;
u8 num;
u8 disp[4];
u8 code smgduan[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x7f,0x6f};
void delay(u16 i)
{ while(i--);
}
void keypros()
{ if(k1==0)
{ delay(100);
if(k1==0)
{
void at24c02write(1,num);
}
while(!k1);
}
if(k2==0)
{delay(100);
if(k2==0)
{ num=at24c02read(1);
}while(!k2);
}
if(k3==0)
{ delay(100);
if(k3==0)
{ num++;
if(num<255)num=0;
}
while(!k3);
}
if(k4==0)
{delay(100);
if(k4==0)
{ num=0;
}
while (!k4);
}
}
void datapros()
{ disp[0]=smgduan[num/1000];
disp[1]=smgduan[num%1000/100];
disp[2]=smgduan[num%1000%100/10];
disp[3]=smgduan[num%1000%100%10];
}
void smg()
{ u8 i;
for(i=0;i<4;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;
}
P0=disp[3-i];
delay(100);
P0=0x00;
}}
void main()
{ while (1)
{ keypros();
datapros();
smg();}}
总是报错：
Build target '目标 1'
compiling at24c02.c...
AT24C02.C(23): error C141: syntax error near '1'
目标未创建 |
