ReactOS  0.4.13-dev-1148-g9b75b67
keyboard.c
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1 /*
2  * COPYRIGHT: GPL - See COPYING in the top level directory
3  * PROJECT: ReactOS Virtual DOS Machine
4  * FILE: subsystems/mvdm/ntvdm/hardware/keyboard.c
5  * PURPOSE: Keyboard emulation
6  * PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
7  */
8 
9 /* INCLUDES *******************************************************************/
10 
11 #include "ntvdm.h"
12 
13 #define NDEBUG
14 #include <debug.h>
15 
16 #include "keyboard.h"
17 #include "ps2.h"
18 
19 /* PRIVATE VARIABLES **********************************************************/
20 
22 static BYTE KeyboardId = 0; // We only support basic old-type keyboard
23 static BYTE KbdDataByteWait = 0;
24 
25 static BYTE KbdPS2Port = 0;
26 
27 /* PRIVATE FUNCTIONS **********************************************************/
28 
30 {
31  /* Check if we were waiting for a data byte */
32  if (KbdDataByteWait)
33  {
35 
36  switch (KbdDataByteWait)
37  {
38  /* Set/Reset Mode Indicators */
39  case 0xED:
40  {
41  // Ignore setting the keyboard LEDs
42  break;
43  }
44 
45  /* PS/2 Select/Read Alternate Scan Code Sets */
46  case 0xF0:
47  /* Set Typematic Rate/Delay */
48  case 0xF3:
49  {
50  // FIXME: UNIMPLEMENTED; just return ACKnowledge.
51  // This unblocks some programs that want to initialize
52  // the keyboard by sending keyboard commands and then
53  // performing polling on the port until "valid" data
54  // comes out.
55  DPRINT1("KeyboardCommand(0x%02X) NOT IMPLEMENTED\n", KbdDataByteWait);
56  break;
57  }
58 
59  default:
60  {
61  /* Shouldn't happen */
62  ASSERT(FALSE);
63  }
64  }
65 
66  KbdDataByteWait = 0;
67  return;
68  }
69 
70  switch (Command)
71  {
72  /* Set/Reset Mode Indicators */
73  case 0xED:
74  /* PS/2 Select/Read Alternate Scan Code Sets */
75  case 0xF0:
76  /* Set Typematic Rate/Delay */
77  case 0xF3:
78  {
81  break;
82  }
83 
84  /* Echo test command */
85  case 0xEE:
86  {
87  PS2QueuePush(KbdPS2Port, 0xEE);
88  break;
89  }
90 
91  /* Get Keyboard ID */
92  case 0xF2:
93  {
96  break;
97  }
98 
99  /* Enable Reporting */
100  case 0xF4:
101  {
104  break;
105  }
106 
107  /* Disable Reporting */
108  case 0xF5:
109  {
112  break;
113  }
114 
115  /* Set Defaults */
116  case 0xF6:
117  {
118  // So far, nothing to reset
120  break;
121  }
122 
123  /* PS/2 Typematic & Make/Break key modes */
124  case 0xF7: case 0xF8: case 0xF9:
125  case 0xFA: case 0xFB: case 0xFC: case 0xFD:
126  {
127  /*
128  * Unsupported on PC-AT, they are just ignored
129  * and acknowledged as discussed in:
130  * http://stanislavs.org/helppc/keyboard_commands.html
131  */
133  }
134 
135  /* Resend */
136  case 0xFE:
137  {
140  break;
141  }
142 
143  /* Reset */
144  case 0xFF:
145  {
146  /* Send ACKnowledge */
148 
149  // So far, nothing to reset
150 
151  /* Send the Basic Assurance Test success code and the device ID */
154  break;
155  }
156 
157  /* Unknown command */
158  default:
159  {
161  }
162  }
163 }
164 
165 /* PUBLIC FUNCTIONS ***********************************************************/
166 
168 {
169  WORD i;
170  BYTE ScanCode = (BYTE)KeyEvent->wVirtualScanCode;
171 
172  /* Check if we're not reporting */
173  if (!KeyboardReporting) return;
174 
175  /* If this is a key release, set the highest bit in the scan code */
176  if (!KeyEvent->bKeyDown) ScanCode |= 0x80;
177 
178  /* Push the scan code into the PS/2 queue */
179  for (i = 0; i < KeyEvent->wRepeatCount; i++)
180  {
181  if (KeyEvent->dwControlKeyState & ENHANCED_KEY) PS2QueuePush(KbdPS2Port, 0xE0);
183  }
184 
185  DPRINT("Press 0x%X\n", ScanCode);
186 }
187 
188 BOOLEAN KeyboardInit(BYTE PS2Connector)
189 {
190  /* Finish to plug the keyboard to the specified PS/2 port */
191  KbdPS2Port = PS2Connector;
193  return TRUE;
194 }
#define TRUE
Definition: types.h:120
ULONG ScanCode
Definition: api.c:39
WORD wVirtualScanCode
Definition: wincon.h:228
DWORD dwControlKeyState
Definition: wincon.h:233
BOOLEAN PS2QueuePush(BYTE PS2Port, BYTE Data)
Definition: ps2.c:486
Definition: shell.h:41
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
WORD wRepeatCount
Definition: wincon.h:226
#define KEYBOARD_ACK
Definition: keyboard.h:16
unsigned char BOOLEAN
smooth NULL
Definition: ftsmooth.c:416
void DPRINT(...)
Definition: polytest.cpp:61
VOID KeyboardEventHandler(PKEY_EVENT_RECORD KeyEvent)
Definition: keyboard.c:167
#define KEYBOARD_BAT_SUCCESS
Definition: keyboard.h:15
BOOLEAN KeyboardInit(BYTE PS2Connector)
Definition: keyboard.c:188
if(!(yy_init))
Definition: macro.lex.yy.c:714
#define ENHANCED_KEY
Definition: wincon.h:139
struct Command Command
#define WINAPI
Definition: msvc.h:8
unsigned short WORD
Definition: ntddk_ex.h:93
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
static BYTE KeyboardId
Definition: keyboard.c:22
unsigned char BYTE
Definition: mem.h:68
#define KEYBOARD_ERROR
Definition: keyboard.h:17
#define DPRINT1
Definition: precomp.h:8
VOID PS2SetDeviceCmdProc(BYTE PS2Port, LPVOID Param, PS2_DEVICE_CMDPROC DeviceCommand)
Definition: ps2.c:478
static VOID WINAPI KeyboardCommand(LPVOID Param, BYTE Command)
Definition: keyboard.c:29
#define UNIMPLEMENTED
Definition: debug.h:114
static BYTE KbdDataByteWait
Definition: keyboard.c:23
static BOOLEAN KeyboardReporting
Definition: keyboard.c:21
static BYTE KbdPS2Port
Definition: keyboard.c:25