main.c

mc9s12 亮灯小程序 按时间亮灯速度不断加快

#include <hidef.h>      /* common defines and macros */
#include <mc9s12dg128.h>     /* derivative information */
#pragma LINK_INFO DERIVATIVE "mc9s12dg128b"

void delay() 
{
int i,j;
  for(i=200;i--;i>0)
  {
  for(j=200;j--;j>0)
  {
  }
  }                 
}

void main(void) 
{
DDRB=0xff;
for(;;)
{
 PORTB++;
delay();
}
}