source: trunk/src/winmm/joyos2.cpp@ 414

Last change on this file since 414 was 249, checked in by sandervl, 26 years ago

Joystick changes
File size: 4.9 KB
Line 
1/* $Id: joyos2.cpp,v 1.2 1999-06-30 11:29:40 sandervl Exp $ */
2/*
3 * OS/2 Joystick apis
4 *
5 * Copyright 1999 Przemysˆaw Dobrowolski <dobrawka@asua.org.pl>
6 *
7 *
8 * Project Odin Software License can be found in LICENSE.TXT
9 *
10 */
11#define INCL_BASE
12#include <os2wrap.h> //Odin32 OS/2 api wrappers
13#include <misc.h>
14#include "joyos2.h"
15
16#define GAMEPDDNAME "GAME$"
17
18#define IOCTL_JOYSTICK 0x80 // IOCTL's
19
20// IOCTL wraper functions
21#define GAME_GET_PARMS 0x02
22#define GAME_GET_CALIB 0x04
23#define GAME_SET_CALIB 0x05
24#define GAME_GET_STATUS 0x10
25
26#define MAXJOYDRIVERS 2 // GAME$ knows only 2 joysticks
27
28//******************************************************************************
29//******************************************************************************
30LONG JoyOpen(HFILE *phGame)
31{
32 ULONG action;
33 APIRET rc;
34
35 if (phGame==NULL)
36 return -1;
37
38 rc = DosOpen( GAMEPDDNAME,
39 phGame,
40 &action,
41 0,
42 FILE_READONLY,
43 FILE_OPEN,
44 OPEN_ACCESS_READONLY | OPEN_SHARE_DENYNONE,
45 NULL );
46
47 return (rc);
48}
49//******************************************************************************
50//******************************************************************************
51LONG JoyGetParams(HFILE hGame, GAME_PARM_STRUCT *pGameParams)
52{
53 ULONG dataLen;
54 APIRET rc;
55
56 dataLen = sizeof( *pGameParams );
57 rc = DosDevIOCtl( hGame,
58 IOCTL_JOYSTICK,
59 GAME_GET_PARMS, // 0x80, 0x02
60 NULL,
61 0,
62 NULL,
63 pGameParams,
64 dataLen,
65 &dataLen);
66 return (rc);
67}
68
69//******************************************************************************
70//******************************************************************************
71// For each stick:
72// tell user to centre joystick and press button
73// call get status with wait
74// tell user to move to upper left and press button
75// call get status with wait
76// tell user to move to lower right and press button
77// call get status with wait
78// Then call set calibration IOCTL with these values
79LONG JoyCalibrate(HFILE hGame, GAME_CALIB_STRUCT gameCalib)
80{
81 ULONG parmLen;
82 APIRET rc;
83
84 parmLen = sizeof( gameCalib );
85 rc = DosDevIOCtl( hGame,
86 IOCTL_JOYSTICK,
87 GAME_SET_CALIB, // 0x80, 0x05
88 &gameCalib,
89 parmLen,
90 &parmLen,
91 NULL,
92 0,
93 NULL );
94 return (rc);
95}
96
97//******************************************************************************
98//******************************************************************************
99LONG JoyGetStatus( HFILE hGame, GAME_STATUS_STRUCT *pGameStatus )
100{
101 ULONG dataLen;
102 APIRET rc;
103
104 dataLen = sizeof( *pGameStatus );
105 rc = DosDevIOCtl( hGame,
106 IOCTL_JOYSTICK,
107 GAME_GET_STATUS, // 0x80, 0x10
108 NULL,
109 0,
110 NULL,
111 pGameStatus,
112 dataLen,
113 &dataLen );
114 return (rc);
115}
116//******************************************************************************
117//******************************************************************************
118LONG JoyClose( HFILE hGame )
119{
120 APIRET rc;
121
122 rc = DosClose( hGame );
123
124 return (rc);
125}
126//******************************************************************************
127//******************************************************************************
128LONG JoyGetCalValues( HFILE hGame, GAME_CALIB_STRUCT *pGameCalib )
129{
130 ULONG dataLen;
131 APIRET rc;
132
133 dataLen = sizeof( *pGameCalib );
134 rc = DosDevIOCtl( hGame,
135 IOCTL_JOYSTICK,
136 GAME_GET_CALIB, // 0x80, 0x04
137 NULL,
138 0,
139 NULL,
140 pGameCalib,
141 dataLen,
142 &dataLen);
143
144 return (rc);
145}
146//******************************************************************************
147//******************************************************************************
148LONG JoyInstalled(USHORT wID)
149{
150 BOOL flReturn=1; // MMSYSERR_NODRIVER
151 HFILE hJoy;
152 APIRET rc;
153 GAME_PARM_STRUCT GameParams;
154
155
156 rc=JoyOpen(&hJoy);
157 if ( rc==0 )
158 {
159 JoyGetParams(hJoy,&GameParams);
160 JoyClose(hJoy);
161
162 if (( wID == 0 ) && (GameParams.useA > 0))
163 flReturn=0; //
164 else
165 if (( wID == 1 ) && (GameParams.useB > 0))
166 flReturn=0;
167 else
168 flReturn=167; // JOYERR_UNPLUGGED
169 }
170 return (flReturn);
171}
172
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