sfr LEDs=0xA0;//P2端口
char pattern[B]={0x7F,0xF7,0xBF,0xFB,0xDF,0xFD,0xEF,0xFE};//16进制，0亮 1灭
void Display_leds(char pattern);//函数声明
void delay(unsigned int delay_time);
void main()
{
while(1){
char j;
for(j=0;j<8;j++){
Display_leds(pattern[j]);
delay(200);
}
}
}
void Display_leds(char pattern)
{
LEDs=pattern;
return;
}
void Delay(unsigned delay_time)
{
unsigned int i,j;
for(j=0;j<delay_time;j++){
for(i=0;i<1000;i++){
;
}
}
}
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