一键多能开关程序(em78p153spj) 电路结构：P1口接8个LED（低电平使能）

P3.3口接键盘（占用中断）



程序功能：

可以用单键实现6种功能，

所有按键功能占用时间小于1秒.

1秒内单击一次，1号灯亮

1秒内双击，2号灯亮

1秒内三次按键，3号灯亮

1秒内长按，4号灯亮

1秒内单击加长按，5号灯亮

1秒内二次单击加长按，6号灯亮

程序正常工作时,8号灯闪烁（2HZ）







-More than a key to switch the program (em78p153spj)　　circuit structure: P1 port access 8 LED (low enable)　　P3.3 port access to the keyboard (take off)　　　 program features:　　 can achieve the six kinds of one-touch function　　All keys occupy less than 1 second.　　1 second click, a lights off　　1 second double, two bright lights　　 button three times within 1 sec, 3 lights lit　　long by 1 second and 4 lights lit　　click lengthened by 1 second, 5 lights light　　1 second longer second click Press, 6 lights bright　　program to work correctly, the 8 lights flashing (2HZ)