想做一個簡易的計算器,程序出了點問題,有大神幫幫忙嗎
報錯信息：
jisuanqi.c(2): warning C318: can't open file 'lcd.h'
jisuanqi.c(3): warning C318: can't open file 'i2c.h'
jisuanqi.c(27): warning C206: 'LcdWriteCom': missing function-prototype
jisuanqi.c(27): error C267: 'LcdWriteCom': requires ANSI-style prototype
#include"reg52.h"
#include"lcd.h"
#include"i2c.h"
typedef unsigned char uint8;
typedef unsigned int uint16;
sbit led=P3^7;
sbit beep=P2^0;
sbit k1=P3^1;
sbit k2=P3^0;
sbit k3=P3^2;
char res=0;
uint8 key,num;
uint8 fuhao;
uint8 flag;
long a,b,c,d,sum,sub;
uint8 k;
uint8 biao;
uint8 dat1[]={1,2,3,0x2b-0x30, 4,5,6,0x2d-0x30, 7,8,9,0x2a-0x30, 0,0x01-0x30,0x3d-0x30,0x2b-0x30 };
void delay(uint16 i)
{
while(i--);
}
void lcdwrc(uint8 c)
{
LcdWriteCom(c);
}
void lcdwrd(uint8 dat)
{
LcdWriteData(dat);
}
void lcd_init()
{
LcdInit();
key=0;
num=0;
flag=0;
fuhao=0;
a=0;
b=0;
c=0;
d=0;
biao=0;
led=0;
}
void keyscan()
{
P1=0xfe;
if(P1!=0xfe)
{
delay(1000);
if(P1!=0xfe)
{
key=P1&0xf0;
switch(key)
{\n\t\t\t\t
case 0xe0: num=0;break;
case 0xd0: num=1;break;
case 0xb0: num=2;break;
case 0x70: num=3;break;
}
while(P1!=0xfe);
if(num==0||num==1||num==2)
{
if(flag==0)
{
a=a*10+dat1[num];
res =a;
}
else
{\n\t\t\t\t//led=1;
b=b*10+dat1[num];
res =b;
}
}
if(num==3)
{
flag=1;
fuhao=1;
}
lcdwrd(0x30+dat1[num]);
}
P1=0xfd;
if(P1!=0xfd)
{
delay(1000);
if(P1!=0xfd)
{
key=P1&0xf0;
switch(key)
{
case 0xe0: num=4;break;
case 0xd0: num=5;break;
case 0xb0: num=6;break;
case 0x70: num=7;break;
}
}
while(P1!=0xfd);
if(num==4||num==5||num==6)
{
if(flag==0)
{
a=a*10+dat1[num];
res =a;\n\t\t\t
}
else
{
b=b*10+dat1[num];
res =b;
}
else
{
flag=1;
fuhao=2;
}
lcdwrd(0x30+dat1[num]);
}
P1=0xfb;
if(P1!=0xfb)
{
delay(1000);
if(P1!=0xfb)
{\n\t\t\t
key=P1&0xf0;
switch(key)
{
case 0xe0: num=8;break;
case 0xd0: num=9;break;
case 0xb0: num=10;break;
case 0x70: num=11;break;
}\t\n\t\t
}
while(P1!=0xfb);
if(num==8||num==9||num==10)
{
if(flag==0)
{
a=a*10+dat1[num];
res =a;
}
else
{
b=b*10+dat1[num];
res =b;
}
}
else
{
flag=1;
fuhao=3;
}
lcdwrd(0x30+dat1[num]);\n\t
}
P1=0xf7;
if(P1!=0xf7)
{
delay(1000);
if(P1!=0xf7)
{
key=P1&0xf0;
switch(key)
{
case 0xe0: num=12;break;
case 0xd0: num=13;break;
case 0xb0: num=14;break;
case 0x70: num=15;break;
}
while(P1!=0xf7);
switch(num)
{
case 12:
if(flag==0)
{
a=a*10+dat1[num];
res =a;
lcdwrd(0x30);
}
else
{
b=b*10+dat1[num];
res =b;
lcdwrd(0x30);
}
break;
case 13:
lcdwrc(0x01);
a=0;
b=0;
flag=0;
fuhao=0;
break;
case 15:
flag=1;
fuhao=4;
lcdwrd(0x2f);
break;
case 14:
if(fuhao==1)
lcdwrc(0x4f+0x80);
lcdwrc(0x04);
c=a+b;
res =c;
while(c!=0)
{
lcdwrd(0x30+c%10);
c=c/10;
}
lcdwrd(0x3d);
a=0;
b=0;
flag=0;
fuhao=0;
}
if(fuhao==2)
{
lcdwrc(0x4f+0x80);
lcdwrc(0x04);
if(a>b)
c=a-b;
else
c=b-a;
res=c;
while(c!=0)
{
lcdwrd(0x30+c%10);
c=c/10;
}
if(a<b) lcdwrd(0x2d);
lcdwrd(0x3d);
a=0;
b=0;
flag=0;
fuhao=0;
}
if(fuhao==3)
{
lcdwrc(0x4f+0x80);
lcdwrc(0x04);
c=a*b;
while(c!=0)
{
lcdwrd(0x30+c%10);
c=c/10;
}
lcdwrd(0x3d);
a=0;
b=0;
flag=0;
fuhao=0;
}
if(fuhao==3)
{
lcdwrc(0x4f+0x80);
lcdwrc(0x04);
c=a*b;
while(c!=0)
{
lcdwrd(0x30+c%10);
c=c/10;
}
lcdwrd(0x3d);
a=0;
b=0;
flag=0;
fuhao=0;
}
if(fuhao==4)
{
k=0;
lcdwrc(0x4f+0x80);
lcdwrc(0x04);
c=(long)(((float)a/b)*1000);
while(c!=0)
{
k++;
lcdwrd(0x30+c%10);
c=c/10;
if(k==3)
{
lcdwrd(0x2e);
k=0;
}
}
if(a/b<0)
{
lcdwrd(0x30);
}
lcdwrd(0x3d);
a=0;
b=0;
flag=0;
fuhao=0;
}
break;
}
}
}
void keyscan2()
{
keyscan();
if(k1==0)
{
delay(1000);
if(k1==0)
{
At24c02Write(1,res);
}
while(!k1);
key=P1&0xf0;
switch(key)
{
case 0xb0: num=14;break;
}
switch(num) {
case 14:
lcdwrc(0x4f+0x80);
lcdwrc(0x04);
sum = res+res;
while(sum!=0)
{
lcdwrd(0x30+sum%10);
sum=sum/10;
}
lcdwrd(0x3d);
}
}
if(k2==0)
{
delay(1000);
if(k2==0)
{
res=At24c02Read(1);
lcdwrc(0x4f+0x80);
lcdwrc(0x04);
while(res!=0)
{
lcdwrd(0x30+res%10);
res=res/10;
}
}
while(!k2);
}
if(k3==0)
{
delay(100);
if(k3==0)
{
At24c02Write(1,res);
}
while(!k3);
lcdwrc(0x4f+0x80);
lcdwrc(0x04);
sub=res-res;
while(sub!=0)
{
lcdwrd(0x30+sub%10);
sub=sub/10;
}
if(res<res) lcdwrd(0x2d);
lcdwrd(0x3d);
}
}
void main()
{
lcd_init();
while(1)
{
keyscan();
keyscan2();
}
}
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