#include <REGX52.H>
//***********************************定義變量*************************************//
typedef unsigned char uint8; //8位無符號
typedef unsigned int uint16; //16位無符號
//***********************************定義變量*************************************//
uint8 led[9]={0xff,0xFE,0xFC,0xF8,0xF0,0xE0,0xC0,0x80,0x00}; //定義點亮編碼，十六進制
#define led_time 46083 //led延時參數,快慢修改就個數，最大65536
void main ()
{
uint8 count=0; //變量聲明，賦初值
uint16 i; //變量聲明
while(1)
{
P2=led[count++];
if(count>=9)
{
count=0;
}
i=led_time;
while(i--);
}
}
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