kbdmouse.cpp

来自「WinCE 3.0 BSP, 包含Inter SA1110, Intel_815」· C++ 代码 · 共 128 行

/*

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) 1995-2000 Microsoft Corporation.  All rights reserved.

*/

#include <windows.h>
#include <ceddk.h>

#include "ps2port.hpp"
#include "ps2mouse.hpp"
#include "ps2keybd.hpp"

extern Ps2Keybd *v_pp2k;


static const UINT iopBaseDefault    = 0x60;
static const UINT iopRangeDefault   = 5;
 

static Ps2Port  *v_pp2p;
static Ps2Mouse *v_pp2m;

 

BOOL
WINAPI
DllMain(
    HANDLE  hinstDll,
    DWORD   dwReason,
    LPVOID  lpReserved
    )
{
    BOOL    bRet = FALSE;

    unsigned int        iopBase;
    ULONG               iopRange = iopRangeDefault;
    ULONG               inIoSpace = 1;
    PHYSICAL_ADDRESS    ioPhysicalBase = { iopBaseDefault, 0 };

    switch ( dwReason )
        {
        case DLL_PROCESS_ATTACH:
                if ( v_pp2p )
                    {
                    bRet = TRUE;
                    goto leave;
                    }

                if ( HalTranslateBusAddress(
                        Isa,
                        0,
                        ioPhysicalBase,
                        &inIoSpace,
                        &ioPhysicalBase) )
                    {
                
                    if ( inIoSpace )
                        {
                        iopBase = ioPhysicalBase.LowPart;
                        }
                    else if ((iopBase = (UINT)MmMapIoSpace(ioPhysicalBase, iopRange, FALSE)) == NULL)
                        {
                        ERRORMSG(1, (TEXT("Error mapping I/O Ports.\r\n")));
                        goto leave;
                        }
                    }
                else
                    {
                    ERRORMSG(1, (TEXT("Error translating I/O Ports.\r\n")));
                    goto leave;
                    }

                v_pp2p = new Ps2Port;
                if ( v_pp2p == NULL || !v_pp2p -> Initialize(iopBase) )
                    {
                    ERRORMSG(1, (TEXT("Could not initialize ps2 port.\r\n")));
                    if (v_pp2p != NULL)
                        delete v_pp2p;
                    v_pp2p = NULL;
                    goto leave;
                    }

                //  We always assume that there is a keyboard.
                v_pp2k = new Ps2Keybd;
                if ( v_pp2k != NULL && v_pp2k -> Initialize(v_pp2p) )
                    {
                    v_pp2k -> IsrThreadStart();
                    }
                else
                    {
                    ERRORMSG(1, (TEXT("Could not initialize ps2 keyboard.\r\n")));
                    if (v_pp2k != NULL)
                        delete v_pp2k;
                    v_pp2k = NULL;
                    }

                if ( v_pp2p -> bMouseFound() )
                    {
                    v_pp2m = new Ps2Mouse;

                    if ( v_pp2m -> Initialize(v_pp2p) )
                        {
                        v_pp2m -> IsrThreadStart();
                        }
                    else
                        {
                        ERRORMSG(1, (TEXT("Could not initialize ps2 mouse\r\n")));
                        delete v_pp2m;
                        v_pp2m = NULL;
                        }
                    }

                bRet = TRUE;
                break;
        }

leave:
    return bRet;
}