untitled1.c

MEGA32的实验代码

#include<iom32.h>
#include<intrinsics.h>
#define uint unsigned int
#define uchar unsigned char
#define s 8000000   //__delay_cycles(1*us)

void main(void)
{
DDRA = 0xFF;
PORTA = 0xFF;

while(1){ PORTA ^=0x20; __delay_cycles(1*s);PORTA ^=0x40; }


}