mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
269 lines
13 KiB
C
269 lines
13 KiB
C
/*
|
|
File: HID_Utilities.h
|
|
|
|
Contains: External interface for HID Utilities
|
|
|
|
DRI: George Warner
|
|
|
|
Copyright: Copyright © 2002 Apple Computer, Inc., All Rights Reserved
|
|
|
|
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
|
|
("Apple") in consideration of your agreement to the following terms, and your
|
|
use, installation, modification or redistribution of this Apple software
|
|
constitutes acceptance of these terms. If you do not agree with these terms,
|
|
please do not use, install, modify or redistribute this Apple software.
|
|
|
|
In consideration of your agreement to abide by the following terms, and subject
|
|
to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs
|
|
copyrights in this original Apple software (the "Apple Software"), to use,
|
|
reproduce, modify and redistribute the Apple Software, with or without
|
|
modifications, in source and/or binary forms; provided that if you redistribute
|
|
the Apple Software in its entirety and without modifications, you must retain
|
|
this notice and the following text and disclaimers in all such redistributions of
|
|
the Apple Software. Neither the name, trademarks, service marks or logos of
|
|
Apple Computer, Inc. may be used to endorse or promote products derived from the
|
|
Apple Software without specific prior written permission from Apple. Except as
|
|
expressly stated in this notice, no other rights or licenses, express or implied,
|
|
are granted by Apple herein, including but not limited to any patent rights that
|
|
may be infringed by your derivative works or by other works in which the Apple
|
|
Software may be incorporated.
|
|
|
|
The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
|
|
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
|
|
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
|
|
COMBINATION WITH YOUR PRODUCTS.
|
|
|
|
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
|
|
OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
|
|
(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
|
|
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _HID_Utilities_h_
|
|
#define _HID_Utilities_h_
|
|
|
|
#if(1)
|
|
// This doesn't work with unified builds yet.
|
|
#warning Using stub definitions for CocoaGamepad
|
|
struct recElement { void *foo; };
|
|
typedef struct recElement recElement;
|
|
typedef recElement* pRecElement;
|
|
struct recDevice { void *foo; };
|
|
typedef struct recDevice recDevice;
|
|
typedef recDevice* pRecDevice;
|
|
#else
|
|
|
|
#include <Carbon/Carbon.h>
|
|
|
|
#include <IOKit/IOTypes.h>
|
|
// 10.0.x
|
|
//#include <IOKit/IOUSBHIDParser.h>
|
|
// 10.1.x
|
|
#include <IOKit/hid/IOHIDUsageTables.h>
|
|
|
|
#include <IOKit/HID/IOHIDLib.h>
|
|
|
|
// ==================================
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// ==================================
|
|
|
|
enum
|
|
{
|
|
kDefaultUserMin = 0, // default user min and max used for scaling
|
|
kDefaultUserMax = 255,
|
|
};
|
|
|
|
typedef enum HIDElementTypeMask
|
|
{
|
|
kHIDElementTypeInput = 1 << 1,
|
|
kHIDElementTypeOutput = 1 << 2,
|
|
kHIDElementTypeFeature = 1 << 3,
|
|
kHIDElementTypeCollection = 1 << 4,
|
|
kHIDElementTypeIO = kHIDElementTypeInput | kHIDElementTypeOutput | kHIDElementTypeFeature,
|
|
kHIDElementTypeAll = kHIDElementTypeIO | kHIDElementTypeCollection
|
|
}HIDElementTypeMask;
|
|
|
|
struct recElement
|
|
{
|
|
IOHIDElementType type; // the type defined by IOHIDElementType in IOHIDKeys.h
|
|
long usagePage; // usage page from IOUSBHIDParser.h which defines general usage
|
|
long usage; // usage within above page from IOUSBHIDParser.h which defines specific usage
|
|
IOHIDElementCookie cookie; // unique value (within device of specific vendorID and productID) which identifies element, will NOT change
|
|
long min; // reported min value possible
|
|
long max; // reported max value possible
|
|
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
|
|
long units; // units value is reported in (not used very often)
|
|
long unitExp; // exponent for units (also not used very often)
|
|
Str255 name; // name of element (not used often)
|
|
|
|
// runtime variables
|
|
long minReport; // min returned value
|
|
long maxReport; // max returned value (calibrate call)
|
|
long userMin; // user set value to scale to (scale call)
|
|
long userMax;
|
|
|
|
struct recElement * pPrevious; // previous element (NULL at list head)
|
|
struct recElement * pChild; // next child (only of collections)
|
|
struct recElement * pSibling; // next sibling (for elements and collections)
|
|
|
|
};
|
|
typedef struct recElement recElement;
|
|
typedef recElement* pRecElement;
|
|
|
|
struct recDevice
|
|
{
|
|
IOHIDDeviceInterface ** interface; // interface to device, NULL = no interface
|
|
IOHIDQueueInterface ** queue; // device queue, NULL = no queue
|
|
CFRunLoopSourceRef queueRunLoopSource; // device queue run loop source, NULL == no source
|
|
IOHIDOutputTransactionInterface ** transaction; // output transaction interface, NULL == no transaction
|
|
io_object_t notification; // notifications
|
|
Str255 transport; // device transport
|
|
long vendorID; // id for device vendor, unique across all devices
|
|
long productID; // id for particular product, unique across all of a vendors devices
|
|
long version; // version of product
|
|
Str255 manufacturer; // name of manufacturer
|
|
Str255 product; // name of product
|
|
Str255 serial; // serial number of specific product, can be assumed unique across specific product or specific vendor (not used often)
|
|
long locID; // long representing location in USB (or other I/O) chain which device is pluged into, can identify specific device on machine
|
|
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 totalElements; // number of total elements (should be total of all elements on device including collections) (calculated, not reported by device)
|
|
long features; // number of elements of type kIOHIDElementTypeFeature
|
|
long inputs; // number of elements of type kIOHIDElementTypeInput_Misc or kIOHIDElementTypeInput_Button or kIOHIDElementTypeInput_Axis or kIOHIDElementTypeInput_ScanCodes
|
|
long outputs; // number of elements of type kIOHIDElementTypeOutput
|
|
long collections; // number of elements of type kIOHIDElementTypeCollection
|
|
long axis; // 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 sliders; // number of sliders (calculated, not reported by device)
|
|
long dials; // number of dials (calculated, not reported by device)
|
|
long wheels; // number of wheels (calculated, not reported by device)
|
|
recElement* pListElements; // head of linked list of elements
|
|
struct recDevice* pNext; // next device
|
|
};
|
|
typedef struct recDevice recDevice;
|
|
typedef recDevice* pRecDevice;
|
|
|
|
// ==================================
|
|
// Create and open an interface to device, required prior to extracting values or building queues
|
|
// Note: appliction now owns the device and must close and release it prior to exiting
|
|
extern IOReturn HIDCreateOpenDeviceInterface (io_object_t hidDevice, pRecDevice pDevice);
|
|
|
|
// builds list of device with elements (allocates memory and captures devices)
|
|
// list is allcoated internally within HID Utilites and can be accessed via accessor functions
|
|
// structures within list are considered flat and user accessable, butnot user modifiable
|
|
// can be called again to rebuild list to account for new devices (will do the right thing in case of disposing existing list)
|
|
extern Boolean HIDBuildDeviceList (UInt32 usagePage, UInt32 usage);
|
|
|
|
// release list built by above function
|
|
// MUST be called prior to application exit to properly release devices
|
|
// if not called (or app crashes) devices can be recovered by pluging into different location in USB chain
|
|
extern void HIDReleaseDeviceList (void);
|
|
|
|
// does a device list exist
|
|
extern Boolean HIDHaveDeviceList (void);
|
|
|
|
// how many HID devices have been found
|
|
// returns 0 if no device list exist
|
|
extern UInt32 HIDCountDevices (void);
|
|
|
|
// how many elements does a specific device have
|
|
// returns 0 if device is invalid or NULL
|
|
// uses mask of HIDElementTypeMask to restrict element found
|
|
// use kHIDElementTypeIO to get non-collection elements
|
|
extern UInt32 HIDCountDeviceElements (pRecDevice pDevice, HIDElementTypeMask typeMask);
|
|
|
|
// get the first device in the device list
|
|
// returns NULL if no list exists
|
|
extern pRecDevice HIDGetFirstDevice (void);
|
|
|
|
// get next device in list given current device as parameter
|
|
// returns NULL if end of list
|
|
extern pRecDevice HIDGetNextDevice (pRecDevice pDevice);
|
|
|
|
// get the first element of device passed in as parameter
|
|
// returns NULL if no list exists or device does not exists or is NULL
|
|
// uses mask of HIDElementTypeMask to restrict element found
|
|
// use kHIDElementTypeIO to get previous HIDGetFirstDeviceElement functionality
|
|
extern pRecElement HIDGetFirstDeviceElement (pRecDevice pDevice, HIDElementTypeMask typeMask);
|
|
|
|
// get next element of given device in list given current element as parameter
|
|
// will walk down each collection then to next element or collection (depthwise traverse)
|
|
// returns NULL if end of list
|
|
// uses mask of HIDElementTypeMask to restrict element found
|
|
// use kHIDElementTypeIO to get previous HIDGetNextDeviceElement functionality
|
|
extern pRecElement HIDGetNextDeviceElement (pRecElement pElement, HIDElementTypeMask typeMask);
|
|
|
|
// get previous element of given device in list given current element as parameter
|
|
// this wlaks directly up the tree to the top element and does not search at each level
|
|
// returns NULL if beginning of list
|
|
// uses mask of HIDElementTypeMask to restrict element found
|
|
// use kHIDElementTypeIO to get non-collection elements
|
|
extern pRecElement HIDGetPreviousDeviceElement (pRecElement pElement, HIDElementTypeMask typeMask);
|
|
|
|
// returns C string type name given a type enumeration passed in as parameter (see IOHIDKeys.h)
|
|
// returns empty string for invlid types
|
|
extern void HIDGetTypeName (IOHIDElementType type, char * cstrName);
|
|
|
|
// returns C string usage given usage page and usage passed in as parameters (see IOUSBHIDParser.h)
|
|
// returns usage page and usage values in string form for unknown values
|
|
extern void HIDGetUsageName (long valueUsagePage, long valueUsage, char * cstrName);
|
|
|
|
// returns calibrated value given raw value passed in
|
|
// calibrated value is equal to min and max values returned by HIDGetElementValue since device list built scaled to element reported min and max values
|
|
extern SInt32 HIDCalibrateValue (SInt32 value, pRecElement pElement);
|
|
|
|
// returns scaled value given raw value passed in
|
|
// scaled value is equal to current value assumed to be in the range of element reported min and max values scaled to user min and max scaled values
|
|
extern SInt32 HIDScaleValue (SInt32 value, pRecElement pElement);
|
|
|
|
// ---------------------------------
|
|
// convert an element type to a mask
|
|
extern HIDElementTypeMask HIDConvertElementTypeToMask (const long type);
|
|
|
|
// find this device
|
|
extern Boolean HIDFindDevice(const pRecDevice pSearchDevice, pRecDevice *ppFoundDevice);
|
|
|
|
// find the device and element for this action
|
|
// Device: serial, vendorID, productID, location, usagePage, usage
|
|
// Element: cookie, usagePage, usage,
|
|
extern Boolean HIDFindActionDeviceAndElement(const pRecDevice pSearchDevice, const pRecElement pSearchElement,
|
|
pRecDevice *ppFoundDevice, pRecElement *ppFoundElement);
|
|
|
|
// find the device and element for this action
|
|
// Device: serial, vendorID, productID, location, usagePage, usage
|
|
// Element: cookie, usagePage, usage,
|
|
|
|
extern Boolean HIDFindSubElement(const pRecElement pStartElement, const pRecElement pSearchElement, pRecElement *ppFoundElement);
|
|
|
|
// print out all of an elements information
|
|
extern int HIDPrintElement(const pRecElement pElement);
|
|
|
|
// return true if this is a valid device pointer
|
|
extern Boolean HIDIsValidDevice(const pRecDevice pSearchDevice);
|
|
|
|
// return true if this is a valid element pointer for this device
|
|
extern Boolean HIDIsValidElement(const pRecDevice pSearchDevice, const pRecElement pSearchElement);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // if(0)
|
|
#endif // _HID_Utilities_h_
|