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標題: 有大佬解釋一下嗎？jisuanqi.c(145): error C141: syntax error near 'while' jisu... [打印本頁]

作者: 愛逗人的龍貓 時間: 2022-12-19 20:16
標題: 有大佬解釋一下嗎？jisuanqi.c(145): error C141: syntax error near 'while' jisu...
#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit e=P2^3;

sbit rs=P2^4;

sbit rw=P2^0;

sbit busy=P0^7;

char i,j,temp,num,num_1;

long a,b,c;

float a_c,b_c;

uchar flag,fuhao;

uchar code table[]={7,8,9,0,4,5,6,0,1,2,3,0,0,0,0,0};

uchar code table1[]={7,8,9,0x2f-0x30,4,5,6,0x2a-0x30,1,2,3,0x2d-0x30,0x01-0x30,0,0x3d-0x30,0x2b-0x30};

void delay(uchar z)

{

uchar y;

for(z;z>0;z--)

for(y=0;y<110;y++);

}

void check()

{

do{

P0=0xFF;

rs=0;

rw=1;

e=0;

delay(1);

e=1;

}while(busy==1);

}

void write_com(uchar com)

{

P0=com;

rs=0;

rw=0;

e=0;

check();

e=1;

}

void write_date(uchar date)

{

P0=date;

rs=1;

rw=0;

e=0;

check();

e=1;

}

void init()

{

num=-1;

e=1;

write_com(0X01);

delay(1);

write_com(0x38);

delay(1);

write_com(0x0c);

delay(1);

write_com(0x06);

delay(1);

write_com(0x80);

delay(1);

write_com(0x01);

delay(1);

num_1=0;

i=0;

j=0;

a=0;

b=0;

c=0;

flag=0;

fuhao=0;

}

while(P3!=0xf7);

switch(num)

{

case 12:{write_com(0x01);a=0;b=0;flag=0;fuhao=0;}//????"??"

break;

case 13:
{

if(flag==0)

{

a=a*10;

write_date(0x30);

P1=0;

}

else if(flag==1)//???????

{

b=b*10;

write_date(0x30);

}

}

break;

case 14:{j=1;

if(fuhao==1){write_com(0x80+0x4f);//?????,???????????????

write_com(0x04); //?????????,???????,??????

c=a+b;

while(c!=0)

{

write_date(0x30+c%10);

c=c/10;

}

write_date(0x3d); //??"="

a=0;b=0;flag=0;fuhao=0;

}

else if(fuhao==2){write_com(0x80+0x4f);//???????????????

write_com(0x04); //?????????,???????,??????(?????????,????????)

if(a-b>0)

c=a-b;

else

c=b-a;

while(c!=0)

{

write_date(0x30+c%10);

c=c/10;

}

if(a-b<0)

write_date(0x2d);

write_date(0x3d); //??"="

a=0;b=0;flag=0;fuhao=0;

}

else if(fuhao==3){write_com(0x80+0x4f);

write_com(0x04);

c=a*b;

while(c!=0)

{

write_date(0x30+c%10);

c=c/10;

}

write_date(0x3d);

a=0;b=0;flag=0;fuhao=0;

}

else if(fuhao==4){write_com(0x80+0x4f);

write_com(0x04);

i=0;

c=(long)(((float)a/b)*1000);

while(c!=0)

{

write_date(0x30+c%10);

c=c/10;

i++;

if(i==3)

write_date(0x2e);

}

if(a/b<=0)

write_date(0x30);

write_date(0x3d);

a=0;b=0;flag=0;fuhao=0;

}

}

break;

case 15:{write_date(0x30+table1[num]);flag=1;fuhao=1;}

break;

}

}

}

main()

{

init();

while(1)

{

keyscan();

}

}

作者: yueguang3048 時間: 2022-12-20 09:34
你這“while(P3!=0xf7);”包含在哪個子函數(shù)里面？？？

作者: lkc8210 時間: 2022-12-20 09:49
代碼缺失了一部分
從那抄來的？

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