keypad.h

IT projecotr reference design.

/****************************************************************************/
/*             TEXAS INSTRUMENTS PROPRIETARY INFORMATION                    */
/*                                                                          */
/*  (c) Copyright, Texas Instruments Incorporated, 2006.                    */
/*      All Rights Reserved.                                                */
/*                                                                          */
/*  Property of Texas Instruments Incorporated. Restricted Rights -         */
/*  Use, duplication, or disclosure is subject to restrictions set          */
/*  forth in TI's program license agreement and associated documentation.   */
/****************************************************************************/

/****************************************************************************/
/* keypad.h                                                                 */
/*                                                                          */
/* Keypad key and LED interface.                                            */
/****************************************************************************/

#ifndef __KEYPAD_H
#define __KEYPAD_H

#include "common.h"
#include "sysmon.h"


#define KEYPAD_PERIOD   10               /* 10 milliseconds callback period */

                        /****************************************************/
                        /* Keypad LED identifiers used by kpadfunc_LED().   */
                        /****************************************************/

typedef enum
{
    KPLED_POWER,                                         /* Power (top LED) */
    KPLED_LAMP,                               /* Lamp overtemp (middle LED) */
    KPLED_TEMP                           /* Projector overtemp (bottom LED) */
}
    KPLED_ID;



 
/****************************************************************************/
/* Interface functions.                                                     */
/****************************************************************************/

EXEC_CC_ENUM keypad_init( void );                                  /* reset */
void         keypad_LED( KPLED_ID id, BOOL state );         /* LED function */
void         keypad_menuMode( BOOL isMenuMode );         /* set keypad mode */
int16        keypad_poll( uint16 tick );        /* keypad scan callback */

#endif