keypad.h

《OSEK/VDX汽车电子嵌入式软件编程技术》中光盘的资料

/************************************************
*
*	$Copyright    2001 Joseph J. Lemieux  ALL RIGHTS RESERVED. $
*
*	$Filename: C:\OSEKBook\src\CH04\inc\keypad.h $
*
*	Description:	
*
************************************************/
#ifndef KEYPADH
#define KEYPADH

/***
*
* Define global variable that is used when a key is pressed.
*
***/
extern char keyValue;
/***
*
* Define Keypad Debounce Time
*
***/

#define KEY_DEBOUNCE_TIME 4

#endif