..\CORE\shiyan3.axf: Error: L6200E: Symbol KEY_Init multiply defined (by key.o and main.o).

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..\CORE\shiyan3.axf: Error: L6200E: Symbol KEY_Init multiply defined (by key.o and main.o).这句话报错是啥意思？求教

Admin

说明这个函数，在文件Key.c和main.c中重复定义了。。。你搜索看KEY_Init在哪里定义了。 这个问题不难解决

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谢谢站长指点

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回复【2楼】Admin:
---------------------------------
key.c
#include "stm32f10x.h"
#include "key.h"
#include "sys.h" 
#include "delay.h"

unsigned char result1,result2,t1,t2;

const unsigned char keys[]={0x00ee,0x00de,0x00be,0x007e,0x00ed,0x00dd,0x00bd,0x007d,0x00eb,0x00db,0x00bb,0x007b,0x00d7,0x00e7,0x00d7,0x00b7,0x0077};
void delayms (uint32_t ms)
{uint8_t t;
while(ms--)
{for(t=0;t<=120;t++);
}
}

uint8_t rdkey()
{uint8_t scan1,scan2,keycode,j;

t1=0x000f;
t2=0x00f0;
KEY1_Init();
GPIOA->BSRR=t1;
GPIOA->BRR = (~t1)& 0x00f0;
result1 = (GPIO_ReadInputData(GPIOA));
if((result1&0x000f)!=0x000f)
{ delayms(30);
result1 = (GPIO_ReadInputData(GPIOA));
if((result1&0x000f)!=0x000f)
{
KEY1_Init();
GPIOA->BSRR=t2;
GPIOA->BRR = (~t2)& 0x00f0;
result2 = (GPIO_ReadInputData(GPIOA));
keycode=result1|result2;
for(j=0;j<=15;j++)
{if (keycode==keys[j])
{key=j;
return(key);
}
}
}
}
else GPIOA->BRR =0xff;
return (16);
} 

/*void main( int)
{while(1)
{
t1=0x000f;
KEY1_Init();
GPIOA->BSRR=t1;
GPIOA->BRR = (~t1)& 0x00f0;
result1 = (GPIO_ReadInputData(GPIOA));
if((result1&0x000f)!=0x000f)
{
rdkey();
}
}}*/

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回复【2楼】Admin:
---------------------------------
main.c
include "led.h"
#include "delay.h"
#include "sys.h"
#include "key.h"
#include "1602.h"

//ALIENTEK????STM32??·?°????é1
//???í?????é  
//?????§????www.openedv.com
//?????????í??×?????????????
int main(void)
 {
  u8 t;
delay_init();       //???±??????????   
  //LED_Init();      //LED??????????
KEY1_Init();          //????????°??ü??????????????
LCD1_Init();
//LED0=0; //???????ì??
while(1)
{
  t=key; //?????ü??
    if(t)
{    
switch(t)
{  
 case KEY_UP: //????·??ù?÷
LCD1_Init();
    LCD_xs("LINGMING SHUAI. ","Please  wait....");
break;
 case KEY_LEFT: //????LED0·?×?
LCD1_Init();
LCD_xs("SHAUISHUAI  CHOU","Please  wait...1");
break;
 case KEY_DOWN: //????LED1·?×?
         LCD1_Init();
LCD_xs("YANZI CHOUCHOU  ","Please  wait...2");
break;
case KEY_RIGHT: //???±????LED0,LED1·?×? 
LCD1_Init();
LCD_xs("HAHAHAHAHAHAHAHA","Please  wait...3");
break;
}
}else delay_ms(10); 
}  
 }

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回复【2楼】Admin:
---------------------------------
还有，大神，io口的那个模式可以又输出和输入呢

t525178292

我也遇到相同的问题，后来发现是导导包错误，“led.h”我写成"led.c"了