52单片机用12864液晶制作时钟,请大家帮忙看看,感谢error C141: syntax error near ... -

标题: 52单片机用12864液晶制作时钟,请大家帮忙看看,感谢error C141: syntax error near ... [打印本页]

作者: xzxdbb 时间: 2022-1-9 16:08
标题: 52单片机用12864液晶制作时钟,请大家帮忙看看,感谢error C141: syntax error near ...
用keil uvision4编译错误
Build target '时钟'compiling main.c.....\BSP\24C02.H(13): error C141: syntax error near 'date', expected ')'
..\BSP\24C02.H(14): error C129: missing ';' before 'read_byte'
compiling pbdata.c.....\BSP\24C02.H(13): error C141: syntax error near 'date', expected ')'..\BSP\24C02.H(14): error C129: missing ';' before 'read_byte'
compiling 24c02.c.....\BSP\24C02.H(13): error C141: syntax error near 'date', expected ')'..\BSP\24C02.H(14): error C129: missing ';' before 'read_byte'
compiling key.c.....\BSP\24C02.H(13): error C141: syntax error near 'date', expected ')'..\BSP\24C02.H(14): error C129: missing ';' before 'read_byte'
compiling xianshi.c.....\BSP\24C02.H(13): error C141: syntax error near 'date', expected ')'..\BSP\24C02.H(14): error C129: missing ';' before 'read_byte'Target not created

头文件
#ifndef __24C02_H_
#define __24C02_H_

bit write=0;                                                                //写24C02的标志
sbit sda =P2^0;
sbit scl =P2^1;

void delay0();
void start();                                     //开始信号
void stop();                                     //停止
void respons();                                     //应答
void init_24c02();                               //I^2C初始化函数
void write_byte(uchar date);       //写一个字节函数
uchar read_byte();                      //读一个字节函数
void write_add(uchar address,uchar date);       //指定地址写一个字节
void read_add(uchar address);                               //指定地址读一个字节

#endif
函数
#include "pbdata.h"

void delay0()
{;;}
void start()             //开始信号
{
      sda=1;
      delay0();
      scl=1;
      delay0();
      sda=0;
      delay0();
}
void stop()                      //停止
{
      sda=0;
      delay0();
      scl=1;
      delay0();
      sda=1;
      delay0();

}
void respons()             //应答
{
      uchar i;
      scl=1;
      delay0();
      while((sda==1)&&(i<250))
            i++;
      scl=0;
      delay0();
}
void init_24c02()       //I^2C初始化函数
{
      sda=1;
      delay0();
      scl=1;
      delay0();
}
void write_byte(uchar date)             //写一个字节函数
{
      uchar i,temp;
      temp=date;
      for(i=0;i<8;i++)
      {
            temp=temp<<1;
            scl=0;
            delay0();
            sda=CY;
            delay0();
            scl=1;
            delay0();
      }
      scl=0;
      delay0();
      sda=1;
      delay0();
}
uchar read_byte()             //读一个字节函数
{
      uchar i,k;
      scl=0;
      delay0();
      sda=1;
      delay0();
      for(i=0;i<8;i++)
      {
            scl=1;
            delay0();
            k=(k<<1)|sda;
            scl=0;
            delay0();
      }
      return k;
}
void write_add(uchar address,uchar date)       //指定地址写一个字节
{
      start();
      write_byte(0xa0);
      respons();
      write_byte(address);
      respons();
      write_byte(date);
      respons();
      stop();
}
void read_add(uchar address)       //指定地址读一个字节
{
      uchar date;
      start();
      write_byte(0xa0);
      respons();
      write_byte(address);
      respons();
      start();
      write_byte(0xa1);
      respons();
      date=read_byte();
      stop();
      return date;
}

作者: wpppmlah 时间: 2022-1-10 14:10
头文件中的 uchar 没有定义,而报错.在前面定义一下:#define uchar unsigned char

作者: xzxdbb 时间: 2022-1-10 15:02
好的，知道了，感谢

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