main.c

来自「ARM_GPIO操作,使用IAR集成开发环境」· C语言 代码 · 共 26 行

#include "iolpc2103.h"

#define LEDCON   1<<17|1<<18

void Delay(int num)
{
  int aa,bb;
  for(aa=0;aa<num;aa++)
    for(bb=1000;bb>0;bb--);
}

void main(void)
{
  PINSEL0 = 0X00000000;
  PINSEL1 = 0X00000000;
  
  IODIR   = LEDCON;
  while(1)
  {
    IOSET = LEDCON;
    Delay(2000);
    IOCLR = LEDCON;
    Delay(2000);
  }
}