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標(biāo)題: 大神們幫個(gè)忙為什么我的程序會(huì)有這些錯(cuò)誤》》 [打印本頁(yè)]

作者: 曹先生 時(shí)間: 2014-9-25 20:40
標(biāo)題: 大神們幫個(gè)忙為什么我的程序會(huì)有這些錯(cuò)誤》》
#include <reg52.h>
#include <intrins.h>
#define uchar unsigned uchar
#define uint unsigned uint

sbit trig=P1^2;
sbit echo=P1^0;

sbit LCD_RS=P1^0;
sbit LCD_RW=P1^1;
sbit LCD_EN=P1^2;
sbit LCD_PSB=P1^6;

bit flag;

void delay(uchar x )
{
  uchar i,j;
  for(j=0;j<x;j++)
    for(i=0;i<110;i++);
}
void write_cmd(uchar cmd)
{
LCD_RS=0;
LCD_RW=0;
LCD_EN=0;
P0=cmd;
delay(5);
LCD_EN=1;
delay(5);
LCD_EN=0;
}
void write_dat(uchar dat)
{
LCD_RS=1;
LCD_RW=0;
LCD_EN=0;
P0=dat;
delay(5);
LCD_EN=1;
delay(5);
LCD_EN=0;
}

void lcd_init()
{
LCD_PSB=1;
write_cmd(0x30);
delay(5);
write_cmd(0x0c);
delay(5);
write_cmd(0x01);
delay(5);
}

void init()
{
TMOD=0x01;
TH0=0;
TL0=0;
TR0=0;
IT0=1;
EX0=1;
EA=1;
lcd_init();
}
uint test_distance(void)
{
uint value;
TH0=0;
TL0=0;
trig=0;
_nop()_;
trig=1;
_nop_();_nop_();_nop_();_nop_();_nop_();
_nop_();_nop_();_nop_();_nop_();_nop_();
trig=0;
while(!echo);
TR0=1;
while(echo);
TR0=0;
value=TH0*256+TL0;
return value;
}

void timer() interrupt 0;
{
flag=1;
}

void lcd_pos(uchar x, uchar y)
{
uchar pos;

if(x == 0)    // 第一行的地址是80H
{
x = 0x80;
}

else if(x == 1)  //第二行的地址是90H
{
x = 0x90;
}

else if(x == 2)  //第三行的地址是88H
{
x = 0x88;
}

else if(x == 3)
{
x = 0x98;
}

pos = x + y;
write_cmd(pos);
}

void main()
{
uchar table[4];
uint value;
uint a,b,c,d,e,i;
init();
while(1)
{
if(flag)
{
flag=0;
value=test_distance();
   a=value/100;
b=a/2;
c=b*340;
e=c/10;
table[0]=e/1000;
table[1]=(e%1000)/100;
table[2]=((e%1000)%100)/10;
      table[3]=e%10;
delay(5);
EA=1;
}
lcd_pos(0,0);

for(i=0;i<4;i++)
{
write_dat(table[i]+0x30);

}

}
}

SS.C(16): error C141: syntax error near 'x', expected ')'
SS.C(18): error C231: 'uchar': redefinition
SS.C(18): error C141: syntax error near 'i'
SS.C(19): error C202: 'x': undefined identifier
SS.C(22): error C141: syntax error near 'cmd', expected ')'
SS.C(27): error C202: 'cmd': undefined identifier
SS.C(33): error C141: syntax error near 'dat', expected ')'
SS.C(38): error C202: 'dat': undefined identifier
SS.C(66): error C141: syntax error near ';'
SS.C(67): error C129: missing ';' before 'test_distance'
Target not created

作者: a982002 時(shí)間: 2014-9-26 10:24

作者: 幻滅想 時(shí)間: 2014-9-26 12:17
undefined identifier 未定義其他很多都是未在英文狀態(tài)下寫(xiě)的所以出錯(cuò)了，重新寫(xiě)一遍就好了

作者: hkccd 時(shí)間: 2014-9-26 12:40

幻滅想發(fā)表于 2014-9-26 12:17
undefined identifier 未定義其他很多都是未在英文狀態(tài)下寫(xiě)的所以出錯(cuò)了，重新寫(xiě)一遍就好了

這個(gè)答案是正解

作者: liaolinhui 時(shí)間: 2014-9-26 18:48
#define uchar unsigned uchar
#define uint unsigned uint
這兩句定義錯(cuò)了，后面的uchar改為char，后面的uint改為int，

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