kbdmouse.cpp

来自「WinCE 3.0 BSP, 包含Inter SA1110, Intel_815」· C++ 代码 · 共 151 行

/* -*-C-*-
 *
 * $Revision: 1.3 $
 *   $Author: kwelton $
 *     $Date: 2000/06/14 03:38:21 $
 *
 * 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) 1995-1998  Microsoft Corporation
 * Copyright (c) 2000 ARM Limited
 * All Rights Reserved
 */

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

#include "oalintr.h"
#include "platform.h"

#include "pl050port.hpp"
#include "pl050keybd.hpp"
#include "pl050mouse.hpp"

static pl050Port *port1 = NULL, *port2 = NULL;
static pl050Keybd *kbdport = NULL;
static pl050Mouse *mouseport = NULL;

/**********************************************************************/

BOOL WINAPI DllMain(HANDLE hinstDll, DWORD dwReason, LPVOID lpReserved)
{
    pl050Port *port;

    BOOL bRet = FALSE;

    switch (dwReason)
    {
      case DLL_PROCESS_ATTACH:
          if (port1 != NULL)
          {
              bRet = TRUE;
              goto leave;
          }

          /*
           * Unlike the code we are ripping off, there are two
           * completely separate devices: one for the keyboard,
           * and one for the mouse. However, it is possible for
           * either device (kbd/mouse) to be connected to either
           * port. We initialise both ports, then see which has what
           * device: no mouse is toletable, no kbd is a fatal error
           */
          if (!(port1 = new pl050Port) ||
              !(port2 = new pl050Port) ||
              !(kbdport = new pl050Keybd) ||
              !(mouseport = new pl050Mouse))
          {
              ERRORMSG(1, (TEXT("Heap exhausted\r\n")));

              goto dodelete;
          }

          if (!port1->Initialise(KMI0_BASE, SYSINTR_KEYBOARD) ||
              !port2->Initialise(KMI1_BASE, SYSINTR_MOUSE))
          {
              ERRORMSG(1, (TEXT("Could not initialise ports\r\n")));
              goto dodelete;
          }

          if (port1->KbdFound())
              port = port1;
          else if (port2->KbdFound())
              port = port2;
          else
          {
              ERRORMSG(1, (TEXT("No keyboard found, please type address of")
                           TEXT(" kbd driver port and hit F3\r\n")));
              goto dodelete;
          }

          RETAILMSG(1, (TEXT("Initialising keyboard on port%d\r\n"),
                       (port == port1) ? 1 : 2));

          if (kbdport->Initialise(port))
              kbdport->IsrThreadStart();
          else
          {
              ERRORMSG(1, (TEXT("Could not initialise kbd\r\n")));

              goto dodelete;
          }

          if (port1->MouseFound())
              port = port1;
          else if (port2->MouseFound())
              port = port2;
          else
          {
              RETAILMSG(1, (TEXT("No mouse found\r\n")));
              port = NULL;
          }

          if (port)
          {
              DEBUGMSG(1, (TEXT("Initialising mouse on port%d\r\n"),
                           (port == port1) ? 1 : 2));

              if (mouseport->Initialise(port))
                  mouseport->IsrThreadStart();
              else
              {
                  RETAILMSG(1, (TEXT("Could not initialise mouse\r\n")));

                  delete mouseport;
                  mouseport = NULL;
              }
          }

          bRet = TRUE;

      dodelete:
          if (!bRet)
          {
              delete port1;
              port1 = NULL;

              delete port2;
              port2 = NULL;

              delete kbdport;
              kbdport = NULL;

              delete mouseport;
              mouseport = NULL;
          }

          break;

      default:
          break;
    }

  leave:
    return bRet;
}

/* EOF kbdmouse.cpp */