想知道程序哪里错了error C141: syntax error near ';', expected ','

ID:1061638 · 发表于 2023-1-28 12:29

#include "reg51.h"

sbit KEY1=P3^1;
sbit KEY2=P3^0;
sbit KEY3=P3^2;
typedef unsigned char u16;
typedef  unsigned int  u8;
sbit LED1=P2^0;

#define KEY1_PRESS  1;
#define KEY2_PRESS  2;
#define KEY3_PRESS  3;
#define KEY_UNPRESS  0;
void delay_10us(u8 ten_us)
{
      while(ten_us--);

}
u16 key_scan(u16  mode)
{
   static  u16 key=1;
         if(mode)key=1;

      if(key=1&&(KEY1==0||KEY2==0||KEY3==0))
  {
            delay_10us(1000);
      key=0;
  if(KEY1==0)
            return  KEY1_PRESS;
else if(KEY2==0)
               return KEY2_PRESS;
      else if(KEY3==0)
      return  KEY3_PRESS;

}
else if(KEY1==1&&KEY2==1&&KEY3==1)
{
      key=1;

}
return KEY_UNPRESS;


      }

void main()
{
      u16 key=0;

      while(1)
      {

      key=key_scan(0);

            if (key==KEY1_PRESS)
            LED1=!LED1;


            }
      }

anjian.c(32): error C141: syntax error near 'else', expected '__asm'
anjian.c(57): error C141: syntax error near ';', expected ','
anjian.c(57): error C141: syntax error near ')', expected '__asm'
anjian.c - 4 Error(s), 0 Warning(s).