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SDL_sysjoystick_c.h
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SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 Sam Lantinga
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This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
slouken@libsdl.org
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*/
#include "SDL_config.h"
#ifndef SDL_JOYSTICK_IOKIT_H
#if MAC_OS_X_VERSION_MIN_REQUIRED == 1030
#include "10.3.9-FIX/IOHIDLib.h"
#else
#include <IOKit/hid/IOHIDLib.h>
#endif
#include <IOKit/hid/IOHIDKeys.h>
struct recElement
{
IOHIDElementCookie cookie; /* unique value which identifies element, will NOT change */
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long usagePage, usage; /* HID usage */
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long min; /* reported min value possible */
long max; /* reported max value possible */
#if 0
/* TODO: maybe should handle the following stuff somehow? */
long scaledMin; /* reported scaled min value possible */
long scaledMax; /* reported scaled max value possible */
long size; /* size in bits of data return from element */
Boolean relative; /* are reports relative to last report (deltas) */
Boolean wrapping; /* does element wrap around (one value higher than max is min) */
Boolean nonLinear; /* are the values reported non-linear relative to element movement */
Boolean preferredState; /* does element have a preferred state (such as a button) */
Boolean nullState; /* does element have null state */
#endif /* 0 */
/* runtime variables used for auto-calibration */
long minReport; /* min returned value */
long maxReport; /* max returned value */
struct recElement *pNext; /* next element in list */
};
typedef struct recElement recElement;
struct joystick_hwdata
{
io_service_t ffservice; /* Interface for force feedback, 0 = no ff */
IOHIDDeviceInterface **interface; /* interface to device, NULL = no interface */
char product[256]; /* name of product */
long usage; /* usage page from IOUSBHID Parser.h which defines general usage */
long usagePage; /* usage within above page from IOUSBHID Parser.h which defines specific usage */
long axes; /* number of axis (calculated, not reported by device) */
long buttons; /* number of buttons (calculated, not reported by device) */
long hats; /* number of hat switches (calculated, not reported by device) */
long elements; /* number of total elements (shouldbe total of above) (calculated, not reported by device) */
recElement *firstAxis;
recElement *firstButton;
recElement *firstHat;
int removed;
int uncentered;
struct joystick_hwdata *pNext; /* next device */
};
typedef struct joystick_hwdata recDevice;
#endif /* SDL_JOYSTICK_IOKIT_H */