ledin.c

来自「这是HOLTEK HT 48系列单片机应用实例」· C语言 代码 · 共 25 行

unsigned char _pac @ 0x13;
//unsigned char _pa  @ 0x12;
#define _pa7		_12_7
#define _pa3		_12_3
#define _pa2		_12_2
void delay()
{unsigned int i;  for(i=0;i<200;i++);}
void main()
{
 _pac = 0x80; //set port A controller
while(1)
{
 if(_pa7==1)
 {
  _pa3 = 0;  delay();
  _pa3 = 1;  delay();
 }
 else
{
  _pa2 = 0;  delay();
  _pa2 = 1;  delay();
 }
}
}