/*
*********************************************************************************************************
*                                   Shanghai Maritime University
*                                                 Pudong Avenue 1550#
*
*                                        (c)Copyright 2005,SMSC,Shanghai,China
*                                                    All Rights Reserved
*
*
* Filename   : Key.h
* Programmer : Jason Chen (Refer to Jean J. Labrosse's Matrix keyboard driver)
*********************************************************************************************************
*                                          USER DEFINED CONSTANTS
*
* Note: These #defines would normally reside in your application specific code.
*********************************************************************************************************
*/
#ifndef  KEY_H
#define  KEY_H

//#include "Data_types.h"
//#include "includes.h"

//#define  KEY_BUF_SIZE               10      /* Size of the KEYBOARD buffer                             */

//#define  KEY_PORT_VAL           port8001      /* The port address of the keyboard interface            */

//#define  KEY_PORT_MAX_BITS         16     /* The maximum bits of  the keyboard interface          */

//#define  KEY_RPT_DLY                 2      /* Number of scan times before auto repeat executes again  */
//#define  KEY_RPT_START_DLY          10      /* Number of scan times before auto repeat function engages*/

//#define  KEY_SCAN_TASK_DLY          50      /* Number of milliseconds between keyboard scans           */
//#define  KEY_SCAN_TASK_PRIO         10      /* Set priority of keyboard scan task                      */
//#define  KEY_SCAN_TASK_STK_SIZE   1024      /* Size of keyboard scan task stack                        */

/*
*********************************************************************************************************
*                                           FUNCTION PROTOTYPES
*********************************************************************************************************
*/

void    KeyFlush(void);                /* Flush the keyboard buffer                                    */
INT8U   KeyGetKey(INT16U to);          /* Get a key scan code from driver if one is present, -1 else   */
INT32U  KeyGetKeyDownTime(void);       /* Get how long key has been pressed (in milliseconds)          */
BOOLEAN KeyHit(void);                  /* See if a key has been pressed (TRUE if so, FALSE if not)     */
void    KeyInit(void);                 /* Initialize the keyboard handler                              */
void    KeyScanTask(void);
void    KeyInitPort(void);             /* Initialize I/O ports                                         */
INT16U   KeyGetPort(void);               /* Read COLUMNs                                                 */

#endif /*End of HEY_H */
/*
*********************************************************************************************************
*                                                     End of file
*********************************************************************************************************
*/