Keil编译生成hex文件时总是报错warning C206: '': missing function-prototype

Getaway · 发表于 2019-11-25 14:05

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报错的一段程序在这，检查了好多次函数声明，没有发现问题。

void Key_Set_Clock( uchar * clock_time )

{
uchar *i;
i = clock_time ;
clock_time ++ ; //????
Lcd_Set_Clock( 2, i );  //?????????????
Key_Idle();
while(1)
{
   uchar minute;
   minute = ( ( * clock_time >>4 ) * 10 ) + ( ( * clock_time ) & 0x0f );                               //BCD ? HEX
   switch( Key_Scan() ) //??????
   {
      case KEY_UP:
{
   minute ++;
   if(minute==60)
      minute=0;
         (*clock_time)=minute/10<<4;
(*clock_time)=(*clock_time)|( minute%10); //HEX ? BCD
Lcd_Set_Clock( 2, i );  //?????????????
   Key_Idle();
break;
      }
      case KEY_DOWN:
{
   if(minute==0)
minute=60;
   minute --;
         (*clock_time)=minute/10<<4;
   (*clock_time)=(*clock_time)|(minute%10);  //HEX ? BCD
         Lcd_Set_Clock( 2, i );  //?????????????
         Key_Idle();
   break;
      }
      case  KEY_FUNC:  //?????
      {
clock_time ++; //????
         Lcd_Set_Clock(3,i); //?????????????
Key_Idle();
         while(1)
         {
   uchar hour;
            hour=((*clock_time>>4)*10)+((*clock_time)&0x0f);                               //BCD ? HEX
            switch( Key_Scan())
            {
               case  KEY_UP:
   {
   hour ++;
   if(hour==24)
   hour = 0;
   (*clock_time)=hour/10 <<4 ;
   (*clock_time)=(*clock_time)|(hour%10); //HEX ? BCD
                  Lcd_Set_Clock( 3, i ); //?????????????
   Key_Idle();
   break;
   }
               case  KEY_DOWN:
   {
   if(hour == 0)
   hour = 24;
   hour --;
   if( hour == 0)
   hour =23;
   (*clock_time)=hour/10 <<4 ;
   (*clock_time)=(*clock_time)|(hour%10); //HEX ? BCD
   Lcd_Set_Clock( 3, i ); //?????????????
   Key_Idle();
   break;
   }
               case KEY_FUNC: //??????
   {
                  clock_time ++; //?????
                  Lcd_Set_Clock( 4, i ); //?????????????
   Key_Idle();
   while(1)
   {
   uchar day;
   day = ( (*clock_time >>4)*10 ) + ( (*clock_time)&0x0f );                               //BCD ? HEX
   switch(Key_Scan())
   {
   case KEY_UP:
      {
   day ++;
   if(day==32)
      day=1;
   (*clock_time)=day/10 <<4 ;
   (*clock_time)=(*clock_time)|(day%10);                      //HEX ? BCD
   Lcd_Set_Clock( 4, i ); //?????????????
   Key_Idle();
   break;
   }
                     case KEY_DOWN:
   {
   if(day == 0)
      day= 31;
   day --;
   if(day == 0)
      day=31;
   (*clock_time) = day/10 <<4 ;
   (*clock_time) = (*clock_time) | (day%10);                      //HEX ? BCD ;
   Lcd_Set_Clock( 4, i ); //?????????????
   Key_Idle();
   break;
   }
               case KEY_FUNC: //??????
      {
                     clock_time ++; //?????
   Lcd_Set_Clock( 5, i ); //?????????????
   Key_Idle();
   while(1)
   {
      uchar month;
      month = ( ( * clock_time >>4)*10 ) + ( ( * clock_time ) & 0x0f );                               //BCD ? HEX
                        switch(Key_Scan())
      {
                           case KEY_UP:
      {
      month ++;
      if(month == 13)
      month= 1;
      (*clock_time)=month/10<<4;
      (*clock_time)=(*clock_time)|(month%10);                      //HEX ? BCD
         Lcd_Set_Clock( 5, i ); //?????????????
            Key_Idle();
         break;
      }
                           case KEY_DOWN:
      {
      if(month==0)
      month = 12;
      month --;
      if(month==0)
      month = 12;
      (*clock_time)=month/10 <<4;
      (*clock_time)=(*clock_time)|(month%10);                      //HEX ? BCD
      Lcd_Set_Clock( 5, i ); //?????????????
         Key_Idle();
      break;
      }
      case KEY_FUNC: //??????
      {
      clock_time ++; //?????
      Lcd_Set_Clock( 6, i ); //?????????????
         Key_Idle();
            while(1)
         {
      uchar year;
         year=((*clock_time>>4)*10)+((*clock_time)&0x0f);                               //BCD ? HEX
                              switch( Key_Scan() )
      {
         case KEY_UP:
            {
         year ++;
         if(year == 100)
         year= 0;
         (*clock_time)=year/10<<4;
               (*clock_time)=(*clock_time)|(year%10); //HEX ? BCD
               Lcd_Set_Clock( 6, i ); //?????????????
                  Key_Idle();
            break;
               }
                                 case KEY_DOWN:
         {
         if(year==0)
         year=100;
         year--;
         if(year==0)
         year=100;
         (*clock_time)=year/10<<4;
            (*clock_time)=(*clock_time)|(year%10); //HEX ? BCD
         Lcd_Set_Clock( 6, i ); //?????????????
               Key_Idle();
            break;
         }
                  case KEY_FUNC:
            {
         goto loop;
            break;
            }
            }
            }
            }
                  }
                     }
                  }
                  }
               }
               }
            }
         }
      }
   }
}
loop:  Key_Idle();
}
这是头文件，不知道哪里有问题，头文件无法包含在.c文件中。.c文件显示的错误如下：
..\CODE\KEY.C(97): warning C206: 'Lcd_Set_Clock': missing function-prototype
..\CODE\KEY.C(97): error C267: 'Lcd_Set_Clock': requires ANSI-style prototype

#ifndef KEY_H
#define KEY_H
  #include "Include.h"

  #ifndef KEY_GLOBAL
#define KEY_EXT extern
  #else
#define KEY_EXT
  #endif
  #define READ_KEY(x,name,b)    ((x)?(b|=name)

b&=~name) )
//---------------------?????????-------------------------------------
  #define  IN_PRESS_UP    P0_0 //???????????????
  #define  IN_PRESS_DOWN  P0_1 //??????????????
  #define  IN_PRESS_CLEAR    P0_2 //??????????
  #define  IN_PRESS_FUNC  P0_3 //???????????
//----------------------??????-----------------------------------------
  #define  KEY_FORCE_VALUE  0  //??????Ч???
  enum KEY_VALUE{KEY_UP=0x01,KEY_DOWN=0x02,KEY_CLEAR=0x04,KEY_FUNC=0x08,KEY_NULL=0x00};
  KEY_EXT void key_delay_us(uint us);
  KEY_EXT void key_init(void);
  KEY_EXT void Key_Idle(void);
  KEY_EXT uchar Key_Scan(void);
  KEY_EXT void Key_Set_Clock( uchar * clock_time );
  KEY_EXT void Key_Set_AlARM(uchar * alarm_time);
  KEY_EXT void Key_Function(uchar * clock_time,uchar* alarm_time);
#endif

yjtj30xe · 发表于 2019-11-25 16:40

注意大小写，

Heaven_1 · 发表于 2019-11-25 17:05

缺少LCD驱动程序或没有声明

行者～ABC · 发表于 2019-11-26 08:38

报错的子程序需要声明，可以在头文件中声明，也可以在主函数前声明

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Keil编译生成hex文件时总是报错warning C206: '': missing function-prototype

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