reactos/subsystems/mvdm/ntvdm/hardware/keyboard.c

   1 /*
   2  * COPYRIGHT:       GPL - See COPYING in the top level directory
   3  * PROJECT:         ReactOS Virtual DOS Machine
   4  * FILE:            keyboard.c
   5  * PURPOSE:         Keyboard emulation
   6  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
   7  */
   8
   9 /* INCLUDES *******************************************************************/
  10
  11 #define NDEBUG
  12
  13 #include "ntvdm.h"
  14 #include "keyboard.h"
  15 #include "ps2.h"
  16
  17 /* PRIVATE VARIABLES **********************************************************/
  18
  19 static BYTE PS2Port = 0;
  20
  21 /* PRIVATE FUNCTIONS **********************************************************/
  22
  23 static VOID WINAPI KeyboardCommand(LPVOID Param, BYTE Command)
  24 {
  25     UNIMPLEMENTED;
  26 }
  27
  28 /* PUBLIC FUNCTIONS ***********************************************************/
  29
  30 VOID KeyboardEventHandler(PKEY_EVENT_RECORD KeyEvent)
  31 {
  32     WORD i;
  33     BYTE ScanCode = (BYTE)KeyEvent->wVirtualScanCode;
  34
  35     /* If this is a key release, set the highest bit in the scan code */
  36     if (!KeyEvent->bKeyDown) ScanCode |= 0x80;
  37
  38     /* Push the scan code into the PS/2 queue */
  39     for (i = 0; i < KeyEvent->wRepeatCount; i++)
  40     {
  41         PS2QueuePush(PS2Port, ScanCode);
  42     }
  43
  44     DPRINT("Press 0x%X\n", ScanCode);
  45 }
  46
  47 BOOLEAN KeyboardInit(BYTE PS2Connector)
  48 {
  49     /* Finish to plug the keyboard to the specified PS/2 port */
  50     PS2Port = PS2Connector;
  51     PS2SetDeviceCmdProc(PS2Port, NULL, KeyboardCommand);
  52
  53     return TRUE;
  54 }