kbd_task.h

来自「ATMEL全套MP3设计资料」· C头文件 代码 · 共 44 行

/*H**************************************************************************
* $RCSfile: kbd_task.h,v $
*----------------------------------------------------------------------------
* Copyright (c) 2002 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      $Name: DEMO_FAT_1_9_9 $      
* REVISION:     $Revision: 1.2 $     
* FILE_CVSID:   $Id: kbd_task.h,v 1.2 2002/06/07 15:44:38 ffosse Exp $       
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the Keyboard task definition
*****************************************************************************/

#ifndef _KBD_TASK_H_
#define _KBD_TASK_H_

/*_____ I N C L U D E S ____________________________________________________*/


/*_____ M A C R O S ________________________________________________________*/

#define KBD_DEBOUNCE_TEMPO  80/SCHEDULER_TICK   /* debounce period: 80 ms */
#define KBD_DEBOUNCE_INIT   0                   /* debounce counter init */


/*----- Task states -----*/
#define KBD_IDLE        (Byte)0x00
#define KBD_DEBOUNCE    (Byte)0x01
#define KBD_DECODE      (Byte)0x02


/*_____ D E F I N I T I O N ________________________________________________*/


/*_____ D E C L A R A T I O N ______________________________________________*/

void    kbd_task_init (void);
void    kbd_task (void);
void    kbd_set_stop (void);


#endif /* _KBD_TASK_H_ */