keil5有一个空，但我没找到

Question

#include <REGX52.H>
 abit HC138_A=P2^5;
 abit HC138_A=P2^6;
 abit HC138_A=P2^7;
 
 void Delay(unsigned int t)
{
    while(t--);
    while(t--);
 }
void LEDRunning()
{
 HC138_C=1;
 HC138_B=0;
 HC138_A=0;
    
    P0=0X00;
    Delay(60000);
    Delay(60000);
    P0=0Xff;
    Delay(60000);
    Delay(60000);
}
 void main ()
{
while(1)
{
    LEDRunning();
}
}

Answer 1

两处问题，供参考：