kbd.h

EP931X系列的WinCE键盘鼠标驱动源代码

//**********************************************************************
//                                                                      
// Filename: kbd.h
//                                                                      
// Description: 
//  Definitions and prototypes for the common level keypad driver.
//  Most of these methods are exposed for external access.
//  These driver methods must be supported at an OS driver level.
//  refer to the kbd.cpp for an example of usage.
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
// Copyright(c) Cirrus Logic Corporation 2001, All Rights Reserved                       
//                                                                      
//**********************************************************************


#ifndef _H_KBD
#define _H_KBD


/*=============================================================================
                        > PROTOTYPES <
-----------------------------------------------------------------------------*/
#ifdef __cplusplus
extern "C" 
{
#endif // __cplusplus
void GKBD_SetBase(unsigned long* pKbdBase);
volatile unsigned long* GKBD_GetBase(void);
// Synopsis: enables/disables the KBD IRQ
void GKBD_Enable(unsigned char bState);
// gets the driver curent version number
unsigned long GKBD_GetVersionNumber(void);
// Synopsis: Keyboard IRQ Handler 
void GKBD_HandleIrq(void);
// Synopsis: sets the debounce level.
void GKBD_SetDebounce(unsigned char nDebounce);
// Synopsis: Get current debounce setting
unsigned char GKBD_GetDebounce(void);
// Synopsis: Enable/disable three-key reset feature
void GKBD_Enable3KeyReset(unsigned char bState);
// Synopsis: used to check the 3 key reset enable status.
unsigned char GKBD_Is3KeyEnabled(void);
// Synopsis: used to enable or disable key scan back driving    
void GKBD_SetBackDriving(unsigned char bState);
// Synopsis: use to get enabled state of key scan back driving  
unsigned char GKBD_GetBackDriving(void);
// Synopsis: sets the row/col counter pre-scale counter value
void GKBD_SetPreScale(unsigned short nScale);
// Synopsis: gets the row/col counter pre-scale counter
unsigned short GKBD_GetPreScale(void);
// Synopsis: Gets global row of the first or only key last pressed
unsigned char GKBD_GetLastR1(void);
// Synopsis: Gets global column of the first or only key last pressed
unsigned char GKBD_GetLastC1(void);
// Synopsis: Gets global row of the second key's last press of a 2-key press
unsigned char GKBD_GetLastR2(void);
// Synopsis: Gets global column of the second key's last press of a 2-key press
unsigned char GKBD_GetLastC2(void);
// Synopsis: 
unsigned char GKBD_GetLastKeyStatus(void);

#ifdef __cplusplus
}
#endif // __cplusplus

#endif // _H_KBD