| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| #include "SDL_config.h" |
| |
| #ifndef SDL_JOYSTICK_IOKIT_H |
| |
| |
| #include <IOKit/hid/IOHIDLib.h> |
| #include <IOKit/hid/IOHIDKeys.h> |
| #include <IOKit/IOKitLib.h> |
| |
| |
| struct recElement |
| { |
| IOHIDElementCookie cookie; /* unique value which identifies element, will NOT change */ |
| long usagePage, usage; /* HID usage */ |
| 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 */ |
| IONotificationPortRef notificationPort; /* port to be notified on joystick removal */ |
| io_iterator_t portIterator; /* iterator for removal callback */ |
| |
| 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 (should be total of above) (calculated, not reported by device) */ |
| |
| recElement *firstAxis; |
| recElement *firstButton; |
| recElement *firstHat; |
| |
| int removed; |
| int uncentered; |
| |
| int instance_id; |
| SDL_JoystickGUID guid; |
| Uint8 send_open_event; /* 1 if we need to send an Added event for this device */ |
| |
| struct joystick_hwdata *pNext; /* next device */ |
| }; |
| typedef struct joystick_hwdata recDevice; |
| |
| |
| #endif /* SDL_JOYSTICK_IOKIT_H */ |