c(10): error C231: 'PWM': redefinition單片機編譯報錯怎么解決?

ID:1028987 · 發表于 2022-5-28 15:19

#include"reg51.h"
#include"intrins.h"
#define uchar unsigned char
#define uint unsigned int
sbit INC=P3^4;
sbit DEC=P3^5;
sbit DIR=P3^6;
sbit PWM=P3^7;
void de1ay(uint);
int PWM= 900;
void main (void)
{
DIR=1;
while(1)
{
if(!INC)
PWM=PWM>0?PWM-1:0;
if(!DEC)
PWM=PWM<1000?PWM+1:1000;
PWM=1;
delay(PWM);
PWM=0;
delay(1000-PWM);
}
}
void delay(unit j)
{
for(;j>0;j--)
{
_nop_();
}
}