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请求帮助DS18B20.C(49): error C231: 'ReadStatusLCM': redefinition
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希望大神帮助 我一点也不懂。
#include <reg51.h>
#define LCM_Data P1
#define Busy 0x80 //用于检测LCM状态字中的Busy标识
extern int flag;
extern int temp;
sbit LCM_RW= P3^1; //定义引脚
sbit LCM_RS= P3^0;
sbit LCM_E= P3^2;
extern int temph,templ,disp_mode;
extern char tel,teh; //写数据
void WriteDataLCM(unsigned char WDLCM)
{
ReadStatusLCM();// 检测忙
LCM_Data = WDLCM;
LCM_RS = 1;
LCM_RW = 0;
LCM_E = 0; //若晶振速度太高可以在这后加小的延时
LCM_E = 0; //延时
LCM_E = 1;
}
//写指令
void WriteCommandLCM(unsigned char WCLCM,BuysC) //BuysC为0时忽略忙检测
{
if (BuysC) ReadStatusLCM();// 根据需要检测忙
LCM_Data = WCLCM;
LCM_RS = 0;
LCM_RW = 0;
LCM_E = 0;
LCM_E = 0;
LCM_E = 1;
}
//读数据
unsigned char ReadDataLCM(void)
{
LCM_RS = 1;
LCM_RW = 1;
LCM_E = 0;
LCM_E = 0;
LCM_E = 1;
return(LCM_Data);
}
//读状态
unsigned char ReadStatusLCM(void)
{
LCM_Data = 0xFF;
LCM_RS = 0;
LCM_RW = 1;
LCM_E = 0;
LCM_E = 0;
LCM_E = 1;
while (LCM_Data & Busy); //检测忙信号
return(LCM_Data);
}
void LCMInit(void) //LCM初始化
{
LCM_Data = 0;
WriteCommandLCM(0x38,0); //三次显示模式设置,不检测忙信号
Delay5Ms();
WriteCommandLCM(0x38,0);
Delay5Ms();
WriteCommandLCM(0x38,0);
Delay5Ms();
WriteCommandLCM(0x38,1); //显示模式设置,开始要求每次检测忙信号
WriteCommandLCM(0x08,1); //关闭显示
WriteCommandLCM(0x01,1); //显示清屏
WriteCommandLCM(0x06,1); // 显示光标移动设置
WriteCommandLCM(0x0C,1); // 显示开及光标设置
} //按指定位置显示一个字符
void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData)
{
Y &= 0x1;
X &= 0xF; //限制X不能大于15,Y不能大于1
if (Y) X |= 0x40; //当要显示第二行时地址码
0x40;
X |= 0x80; // 算出指令码
WriteCommandLCM(X, 0); //这里不检测忙信号,发送地址码
WriteDataLCM(DData);
}
//按指定位置显示一串字符
void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData)
{
unsigned char ListLength;
ListLength = 0;
Y &= 0x1;
X &= 0xF; //限制X不能大于15,Y不能大于1
while (DData[ListLength]>0x20) //若到达字串尾则退出
{
if (X <= 0xF) //X坐标应小于0xF
{
DisplayOneChar(X, Y, DData[ListLength]); //显示单个字符
ListLength++;
X++;
}
}
} //5ms延时
void Delay5Ms(void)
{
unsigned int TempCyc = 5552;
while(TempCyc--);
}
以上是报错的程序
[img]file:///C:\Users\samsung\AppData\Roaming\Tencent\Users\573847511\QQ\WinTemp\RichOle\$7[E)UCTL2DV46~`DRHN[9N.jpg[/img]
DS18B20.C(16): warning C206: 'ReadStatusLCM': missing function-prototype
DS18B20.C(49): error C231: 'ReadStatusLCM': redefinition
DS18B20.C(58): error C231: 'ReadStatusLCM': redefinition
#include <reg51.h>
#define LCM_Data P1
#define Busy 0x80 //用于检测LCM状态字中的Busy标识
extern int flag;
extern int temp;
sbit LCM_RW= P3^1; //定义引脚
sbit LCM_RS= P3^0;
sbit LCM_E= P3^2;
extern int temph,templ,disp_mode;
extern char tel,teh; //写数据
void WriteDataLCM(unsigned char WDLCM)
{
ReadStatusLCM();// 检测忙
LCM_Data = WDLCM;
LCM_RS = 1;
LCM_RW = 0;
LCM_E = 0; //若晶振速度太高可以在这后加小的延时
LCM_E = 0; //延时
LCM_E = 1;
}
//写指令
void WriteCommandLCM(unsigned char WCLCM,BuysC) //BuysC为0时忽略忙检测
{
if (BuysC) ReadStatusLCM();// 根据需要检测忙
LCM_Data = WCLCM;
LCM_RS = 0;
LCM_RW = 0;
LCM_E = 0;
LCM_E = 0;
LCM_E = 1;
}
//读数据
unsigned char ReadDataLCM(void)
{
LCM_RS = 1;
LCM_RW = 1;
LCM_E = 0;
LCM_E = 0;
LCM_E = 1;
return(LCM_Data);
}
//读状态
unsigned char ReadStatusLCM(void)
{
LCM_Data = 0xFF;
LCM_RS = 0;
LCM_RW = 1;
LCM_E = 0;
LCM_E = 0;
LCM_E = 1;
while (LCM_Data & Busy); //检测忙信号
return(LCM_Data);
}
void LCMInit(void) //LCM初始化
{
LCM_Data = 0;
WriteCommandLCM(0x38,0); //三次显示模式设置,不检测忙信号
Delay5Ms();
WriteCommandLCM(0x38,0);
Delay5Ms();
WriteCommandLCM(0x38,0);
Delay5Ms();
WriteCommandLCM(0x38,1); //显示模式设置,开始要求每次检测忙信号
WriteCommandLCM(0x08,1); //关闭显示
WriteCommandLCM(0x01,1); //显示清屏
WriteCommandLCM(0x06,1); // 显示光标移动设置
WriteCommandLCM(0x0C,1); // 显示开及光标设置
} //按指定位置显示一个字符
void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData)
{
Y &= 0x1;
X &= 0xF; //限制X不能大于15,Y不能大于1
if (Y) X |= 0x40; //当要显示第二行时地址码
0x40;
X |= 0x80; // 算出指令码
WriteCommandLCM(X, 0); //这里不检测忙信号,发送地址码
WriteDataLCM(DData);
}
//按指定位置显示一串字符
void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData)
{
unsigned char ListLength;
ListLength = 0;
Y &= 0x1;
X &= 0xF; //限制X不能大于15,Y不能大于1
while (DData[ListLength]>0x20) //若到达字串尾则退出
{
if (X <= 0xF) //X坐标应小于0xF
{
DisplayOneChar(X, Y, DData[ListLength]); //显示单个字符
ListLength++;
X++;
}
}
} //5ms延时
void Delay5Ms(void)
{
unsigned int TempCyc = 5552;
while(TempCyc--);
}
以上是报错的程序
[img]file:///C:\Users\samsung\AppData\Roaming\Tencent\Users\573847511\QQ\WinTemp\RichOle\$7[E)UCTL2DV46~`DRHN[9N.jpg[/img]
DS18B20.C(16): warning C206: 'ReadStatusLCM': missing function-prototype
DS18B20.C(49): error C231: 'ReadStatusLCM': redefinition
DS18B20.C(58): error C231: 'ReadStatusLCM': redefinition
请求帮助 ~~~~~~~~~~~~~~~~~~~~~~~~
帮帮我啦
把有错的那两个程序写在开始的位置就没问题了!
好好检查一下,有时候语句旁边的语句差一个标点符号都不行
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