pl050port.hpp

ARM9基于WINDOWSCE的BSP源代码

//
// 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.
//
/* -*-C-*-
 *
 * pl050kbd:
 *
 * Keyboard driver for PrimeCell Keyboard PS/2 port as implemented on
 * the Dev board. This is heavily based upon (i.e. has the same
 * public class interface as) the Microsoft driver from the HARP code
 * drop.
 *
 * 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.
 *
 * Release Status:OS005-SW-70002-r0p0-00REL0
 * $Copyright: 
 * ----------------------------------------------------------------
 * This confidential and proprietary software may be used only as
 * authorised by a licensing agreement from ARM Limited
 *   (C) COPYRIGHT 2004 ARM Limited
 *       ALL RIGHTS RESERVED
 * The entire notice above must be reproduced on all authorised
 * copies and copies may only be made to the extent permitted
 * by a licensing agreement from ARM Limited.
 * ----------------------------------------------------------------
 * File:     pl050port.hpp,v
 * Revision: 1.2
 * ----------------------------------------------------------------
 * $
 */

#ifndef _pl050port_hpp
#define _pl050port_hpp

#include <windows.h>

#include "ringbuf.hpp"

typedef enum
{
    pl050PortNone,
    pl050PortKbd,
    pl050PortMouse
} pl050PortType;

typedef unsigned int pl050ISRUpcall(bool timedout, unsigned int scancode);

class pl050Port
{
    unsigned int portbase;
    unsigned int portintr;

    pl050PortType porttype;

    int nLocks;
    bool intelliMouseFound;

    bool irqsenabled;

    RingBuf commands;
    bool awaitingACK;
    bool parityfailed;
    bool commandslocked;

    pl050ISRUpcall *portupcall;

    
  public:
    bool Initialise();

    

    inline void SetISRUpcall(pl050ISRUpcall *upcall)
    {
        portupcall = upcall;
    }

    void ISRLoop(unsigned int timeout, const TCHAR *szKey);

    
};

#endif /* ndef _pl050port_hpp */

/* EOF pl050port.hpp */