diff src/joystick/darwin/SDL_sysjoystick_c.h @ 2632:9e7f58b1b255 gsoc2008_force_feedback

Exposed the darwin joystick hardware data to the haptic subsystem.
author Edgar Simo <bobbens@gmail.com>
date Wed, 06 Aug 2008 11:08:29 +0000
parents
children 2f826c229d77
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/joystick/darwin/SDL_sysjoystick_c.h	Wed Aug 06 11:08:29 2008 +0000
@@ -0,0 +1,87 @@
+/*
+	SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2004 Sam Lantinga
+
+	This library is free software; you can redistribute it and/or
+	modify it under the terms of the GNU Library General Public
+	License as published by the Free Software Foundation; either
+	version 2 of the License, or (at your option) any later version.
+
+	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
+	Library General Public License for more details.
+
+	You should have received a copy of the GNU Library General Public
+	License along with this library; if not, write to the Free
+	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+	Sam Lantinga
+	slouken@libsdl.org
+*/
+#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 */
+    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
+{
+    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 */
+