mx27_kpp.h

Microsoft WinCE 6.0 BSP FINAL release source code for use with the i.MX27ADS TO2 WCE600_FINAL_MX27_S

//------------------------------------------------------------------------------
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
//  Use of this source code is subject to the terms of the Microsoft end-user
//  license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
//  If you did not accept the terms of the EULA, you are not authorized to use
//  this source code. For a copy of the EULA, please see the LICENSE.RTF on your
//  install media.
//
//------------------------------------------------------------------------------
//
//  Copyright (C) 2004, MOTOROLA, INC. All Rights Reserved
//  THIS SOURCE CODE IS CONFIDENTIAL AND PROPRIETARY AND MAY NOT
//  BE USED OR DISTRIBUTED WITHOUT THE WRITTEN PERMISSION OF
//  MOTOROLA, INC.
//
//------------------------------------------------------------------------------
//
// Copyright (C) 2004-2006, Freescale Semiconductor, Inc. All Rights Reserved.
// THIS SOURCE CODE, AND ITS USE AND DISTRIBUTION, IS SUBJECT TO THE TERMS
// AND CONDITIONS OF THE APPLICABLE LICENSE AGREEMENT
//
//------------------------------------------------------------------------------
//
//  Header:  mx27_kpp.h
//
//  Provides definitions for KPP module based on Freescale MX27 chassis.
//
//------------------------------------------------------------------------------
#ifndef __MX27_KPP_H
#define __MX27_KPP_H

#if __cplusplus
extern "C" {
#endif


//------------------------------------------------------------------------------
// GENERAL MODULE CONSTANTS
//------------------------------------------------------------------------------


//------------------------------------------------------------------------------
// REGISTER LAYOUT
//------------------------------------------------------------------------------
typedef struct
{
    REG16 KPCR;
    REG16 KPSR;
    REG16 KDDR;
    REG16 KPDR;
} CSP_KPP_REGS, *PCSP_KPP_REGS;


//------------------------------------------------------------------------------
// REGISTER OFFSETS
//------------------------------------------------------------------------------
#define KPP_KPCR_OFFSET           0x0000
#define KPP_KPSR_OFFSET           0x0002
#define KPP_KDDR_OFFSET           0x0004
#define KPP_KPDR_OFFSET           0x0006


//------------------------------------------------------------------------------
// REGISTER BIT FIELD POSITIONS (LEFT SHIFT)
//------------------------------------------------------------------------------
#define KPP_KPCR_KRE_LSH          0
#define KPP_KPCR_KCO_LSH          8

#define KPP_KPSR_KPKD_LSH         0
#define KPP_KPSR_KPKR_LSH         1
#define KPP_KPSR_KDSC_LSH         2
#define KPP_KPSR_KRSS_LSH         3
#define KPP_KPSR_KDIE_LSH         8
#define KPP_KPSR_KRIE_LSH         9
#define KPP_KPSR_KPP_EN_LSH       10

#define KPP_KDDR_KRDD_LSH         0
#define KPP_KDDR_KCDD_LSH         8

#define KPP_KPDR_KRD_LSH          0
#define KPP_KPDR_KCD_LSH          8


//------------------------------------------------------------------------------
// REGISTER BIT FIELD WIDTHS
//------------------------------------------------------------------------------
#define KPP_KPCR_KRE_WID          8
#define KPP_KPCR_KCO_WID          8

#define KPP_KPSR_KPKD_WID         1
#define KPP_KPSR_KPKR_WID         1
#define KPP_KPSR_KDSC_WID         1
#define KPP_KPSR_KRSS_WID         1
#define KPP_KPSR_KDIE_WID         1
#define KPP_KPSR_KRIE_WID         1
#define KPP_KPSR_KPP_EN_WID       1

#define KPP_KDDR_KRDD_WID         8
#define KPP_KDDR_KCDD_WID         8

#define KPP_KPDR_KRD_WID          8
#define KPP_KPDR_KCD_WID          8


//------------------------------------------------------------------------------
// REGISTER BIT WRITE VALUES
//------------------------------------------------------------------------------
#define KPP_KPSR_KPKD_CLEAR             1 // Clear keypad key depress
                                          // status bit (write-1-to-clear)

#define KPP_KPSR_KPKR_CLEAR             1 // Clear keypad key release
                                          // status bit (write-1-to-clear)

#define KPP_KPSR_KDSC_CLEAR             1 // Clear key depress synchronizer
                                          // Bit is self-negating

#define KPP_KPSR_KRSS_SET               1 // Set key release synchronizer
                                          // Bit is self-negating

#define KPP_KPSR_KDIE_INT_ENABLE        1 // Keypad key depress int enabled
#define KPP_KPSR_KDIE_INT_DISABLE       0 // Keypad key depress int disabled

#define KPP_KPSR_KRIE_INT_ENABLE        1 // Keypad key release int enabled
#define KPP_KPSR_KRIE_INT_DISABLE       0 // Keypad key release int disabled

#define KPP_KPSR_KPP_EN_ENABLE          1 // Enable high freq clk to keypad
#define KPP_KPSR_KPP_EN_DISABLE         0 // Disable high freq clk to keypad

#ifdef __cplusplus
}
#endif

#endif // __MX27_KPP_H