Question

#include<reg51.h> #include<intrins.h> #define uchar unsigned char #define uint unaigned int void de

#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unaigned int
void delay(void)
{
uchar a,b;
for(a=0;b<200;a++)
for(b=0;b<200;b++);
}
void main()
{
uchar k;
k=0xfe;
while(1)
{
P1=k;
delay();
k=_crol_(k,1);
}
}流水灯不亮为什么？

Answer 1

将#define uint unaigned int
改成#define uint unsigned int
试试