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-/*
- File: HID_Queue_Utilities.c
-
- Contains: Implementation of the HID queue functions for the HID utilites.
-
- 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 Apple’s
- 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.
-*/
-
-//#include <IOKit/hid/IOHIDDevice.h>
-
-#include "HID_Utilities_Internal.h"
-#include "HID_Utilities_External.h"
-
-// ==================================
-// compiler directives
-// ==================================
-#define USE_ASYNC_EVENTS TRUE
-#define REPORT_ERRORS FALSE
-// ==================================
-#if REPORT_ERRORS
-#define HIDREPORTERRORNUM(s,n) HIDReportErrorNum(s,n)
-#define HIDREPORTERROR(s) HIDReportError(s)
-#else
-#define HIDREPORTERRORNUM(s,n) do {} while (false)
-#define HIDREPORTERROR(s) do {} while (false)
-#endif
-// ==================================
-// private functions
-// ==================================
-
-// creates a queue for a device
-
-static IOReturn hid_CreateQueue (pRecDevice pDevice)
-{
- IOReturn result = kIOReturnError; // assume failure (pessimist!)
-
- if (HIDIsValidDevice(pDevice))
- {
- if (NULL == pDevice->queue) // do we already have a queue
- {
- if (NULL != pDevice->interface)
- {
- pDevice->queue = (void *) (*(IOHIDDeviceInterface**) pDevice->interface)->allocQueue (pDevice->interface); // alloc queue
- if (pDevice->queue)
- {
- result = (*(IOHIDQueueInterface**) pDevice->queue)->create (pDevice->queue, 0, kDeviceQueueSize); // create actual queue
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("hid_CreateQueue - Failed to create queue via create", result);
- }
- else
- {
- HIDREPORTERROR ("hid_CreateQueue - Failed to alloc IOHIDQueueInterface ** via allocQueue");
- result = kIOReturnError; // synthesis error
- }
- }
- else
- HIDREPORTERRORNUM ("hid_CreateQueue - Device inteface does not exist for queue creation", result);
- }
- }
- else
- HIDREPORTERRORNUM ("hid_CreateQueue - Invalid Device", result);
- return result;
-}
-
-// ---------------------------------
-// returns true if queue is empty false otherwise
-// error if no device, empty if no queue
-
-static unsigned char hid_IsDeviceQueueEmpty (pRecDevice pDevice)
-{
- if (HIDIsValidDevice(pDevice)) // need valid device
- {
- if (pDevice->queue) // and queue
- {
- pRecElement pElement = HIDGetFirstDeviceElement (pDevice, kHIDElementTypeIO);
- while (pElement)
- {
- if ((*(IOHIDQueueInterface**) pDevice->queue)->hasElement (pDevice->queue, pElement->cookie))
- return false;
- pElement = HIDGetNextDeviceElement (pElement, kHIDElementTypeIO);
- }
- }
- else
- HIDREPORTERROR ("hid_IsDeviceQueueEmpty - no queue.");
- }
- else
- HIDREPORTERROR ("hid_IsDeviceQueueEmpty - Invalid device.");
- return true;
-}
-
-// ---------------------------------
-// disposes and releases queue, sets queue to NULL,.
-// Note: will have no effect if device or queue do not exist
-
-static IOReturn hid_DisposeReleaseQueue (pRecDevice pDevice)
-{
- IOReturn result = kIOReturnError; // assume failure (pessimist!)
-
- if (HIDIsValidDevice(pDevice)) // need valid device
- {
- if (pDevice->queue) // and queue
- {
- // stop queue
- result = (*(IOHIDQueueInterface**) pDevice->queue)->stop (pDevice->queue);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("hid_DisposeReleaseQueue - Failed to stop queue.", result);
- // dispose of queue
- result = (*(IOHIDQueueInterface**) pDevice->queue)->dispose (pDevice->queue);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("hid_DisposeReleaseQueue - Failed to dipose queue.", result);
- // release the queue
- result = (*(IOHIDQueueInterface**) pDevice->queue)->Release (pDevice->queue);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("hid_DisposeReleaseQueue - Failed to release queue.", result);
-
- pDevice->queue = NULL;
- }
- else
- HIDREPORTERROR ("hid_DisposeReleaseQueue - no queue.");
- }
- else
- HIDREPORTERROR ("hid_DisposeReleaseQueue - Invalid device.");
- return result;
-}
-
-// ==================================
-// public functions
-
-// ---------------------------------
-// queues specific element, performing any device queue set up required
-// queue is started and ready to return events on exit from this function
-
-unsigned long HIDQueueElement (pRecDevice pDevice, pRecElement pElement)
-{
- IOReturn result = kIOReturnError; // assume failure (pessimist!)
-
- if (HIDIsValidElement(pDevice,pElement))
- {
- if (NULL == pDevice->interface) // must have interface
- {
- HIDREPORTERROR ("HIDQueueElement - Device does not have interface.");
- return kIOReturnError;
- }
- if (NULL == pDevice->queue) // if no queue create queue
- result = hid_CreateQueue (pDevice);
- if ((kIOReturnSuccess != result) || (NULL == pDevice->queue))
- {
- HIDREPORTERRORNUM ("HIDQueueElement - problem creating queue.", result);
- if (kIOReturnSuccess != result)
- return result;
- else
- return kIOReturnError;
- }
-
- // stop queue
- result = (*(IOHIDQueueInterface**) pDevice->queue)->stop (pDevice->queue);
- if (kIOReturnSuccess != result)
- HIDREPORTERROR ("HIDQueueElement - Failed to stop queue.");
-
- // queue element
- if (!(*(IOHIDQueueInterface**) pDevice->queue)->hasElement (pDevice->queue, pElement->cookie))
- {
- result = (*(IOHIDQueueInterface**) pDevice->queue)->addElement (pDevice->queue, pElement->cookie, 0);
- if (kIOReturnSuccess != result)
- HIDREPORTERROR ("HIDQueueElement - Failed to add Element to queue.");
- }
-
- // restart queue
- result = (*(IOHIDQueueInterface**) pDevice->queue)->start (pDevice->queue);
- if (kIOReturnSuccess != result)
- HIDREPORTERROR ("HIDQueueElement - Failed to start queue.");
- }
- else
- {
- HIDREPORTERROR ("HIDQueueElement - Invalid Device and/or element.");
- return kIOReturnBadArgument;
- }
-
- return result;
-}
-
-// ---------------------------------
-// adds all elements to queue, performing any device queue set up required
-// queue is started and ready to return events on exit from this function
-
-unsigned long HIDQueueDevice (pRecDevice pDevice)
-{
- IOReturn result = kIOReturnError; // assume failure (pessimist!)
- pRecElement pElement;
-
- if (HIDIsValidDevice(pDevice))
- {
- // error checking
- if (NULL == pDevice)
- {
- HIDREPORTERROR ("HIDQueueDevice - Device does not exist.");
- return kIOReturnBadArgument;
- }
- if (NULL == pDevice->interface) // must have interface
- {
- HIDREPORTERROR ("HIDQueueDevice - Device does not have interface.");
- return kIOReturnError;
- }
- if (NULL == pDevice->queue) // if no queue create queue
- result = hid_CreateQueue (pDevice);
- if ((kIOReturnSuccess != result) || (NULL == pDevice->queue))
- {
- HIDREPORTERRORNUM ("HIDQueueDevice - problem creating queue.", result);
- if (kIOReturnSuccess != result)
- return result;
- else
- return kIOReturnError;
- }
-
- // stop queue
- result = (*(IOHIDQueueInterface**) pDevice->queue)->stop (pDevice->queue);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDQueueDevice - Failed to stop queue.", result);
-
- // queue element
- //• pElement = HIDGetFirstDeviceElement (pDevice, kHIDElementTypeIO);
- pElement = HIDGetFirstDeviceElement (pDevice, kHIDElementTypeInput | kHIDElementTypeFeature);
-
- while (pElement)
- {
- if (!(*(IOHIDQueueInterface**) pDevice->queue)->hasElement (pDevice->queue, pElement->cookie))
- {
- result = (*(IOHIDQueueInterface**) pDevice->queue)->addElement (pDevice->queue, pElement->cookie, 0);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDQueueDevice - Failed to add element to queue.", result);
- }
- //• pElement = HIDGetNextDeviceElement (pElement, kHIDElementTypeIO);
- pElement = HIDGetNextDeviceElement (pElement, kHIDElementTypeInput | kHIDElementTypeFeature);
- }
-
- // start queue
- result = (*(IOHIDQueueInterface**) pDevice->queue)->start (pDevice->queue);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDQueueDevice - Failed to start queue.", result);
-
- }
- else
- HIDREPORTERROR ("HIDQueueDevice - Invalid device.");
-
- return result;
-}
-
-// ---------------------------------
-// removes element for queue, if last element in queue will release queue and closes device interface
-
-unsigned long HIDDequeueElement (pRecDevice pDevice, pRecElement pElement)
-{
- IOReturn result = kIOReturnError; // assume failure (pessimist!)
-
- if (HIDIsValidElement(pDevice,pElement))
- {
- if (!pDevice || !pElement)
- result = kIOReturnBadArgument;
- else
- {
- if ((pDevice->interface) && (pDevice->queue))
- {
- // stop queue
- result = (*(IOHIDQueueInterface**) pDevice->queue)->stop (pDevice->queue);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDDequeueElement - Failed to stop queue.", result);
-
- if ((*(IOHIDQueueInterface**) pDevice->queue)->hasElement (pDevice->queue, pElement->cookie)) // if has element then remove
- {
- result = (*(IOHIDQueueInterface**) pDevice->queue)->removeElement (pDevice->queue, pElement->cookie);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDDequeueElement - Failed to add element to queue", result);
- }
-
- if (hid_IsDeviceQueueEmpty (pDevice)) // release device queue and close interface if queue empty
- {
- result = hid_DisposeReleaseQueue (pDevice);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDDequeueElement - Failed to dispose and release queue.", result);
- }
- else // not empty so restart queue
- {
- result = (*(IOHIDQueueInterface**) pDevice->queue)->start (pDevice->queue);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDDequeueElement - Failed to start queue.", result);
- }
- }
- else
- {
- HIDREPORTERROR ("HIDDequeueElement - No device inteface or queue.");
- return kIOReturnError;
- }
- }
- }
- else
- HIDREPORTERROR ("HIDDequeueElement - Invalid device.");
-
- return result;
-}
-
-// ---------------------------------
-// completely removes all elements from queue and releases queue and closes device interface
-// does not release device interfaces, application must call HIDReleaseDeviceList on exit
-
-unsigned long HIDDequeueDevice (pRecDevice pDevice)
-{
- IOReturn result = kIOReturnSuccess;
-
- if (HIDIsValidDevice(pDevice))
- {
- if ((pDevice->interface) && (pDevice->queue))
- {
- // iterate through elements and if queued, remove
- pRecElement pElement = HIDGetFirstDeviceElement (pDevice, kHIDElementTypeIO);
- while (pElement)
- {
- if ((*(IOHIDQueueInterface**) pDevice->queue)->hasElement (pDevice->queue, pElement->cookie))
- {
- result = (*(IOHIDQueueInterface**) pDevice->queue)->removeElement (pDevice->queue, pElement->cookie);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDDequeueDevice - Failed to remove element from queue.", result);
- }
- pElement = HIDGetNextDeviceElement (pElement, kHIDElementTypeIO);
- }
- }
- // ensure queue is disposed and released
- // interface will be closed and released on call to HIDReleaseDeviceList
- result = hid_DisposeReleaseQueue (pDevice);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("removeElement - Failed to dispose and release queue.", result);
-#if USE_ASYNC_EVENTS
- else if (NULL != pDevice->queueRunLoopSource)
- {
- if (CFRunLoopContainsSource(CFRunLoopGetCurrent(), pDevice->queueRunLoopSource, kCFRunLoopDefaultMode))
- CFRunLoopRemoveSource(CFRunLoopGetCurrent(), pDevice->queueRunLoopSource, kCFRunLoopDefaultMode);
- CFRelease(pDevice->queueRunLoopSource);
- pDevice->queueRunLoopSource = NULL;
- }
-#endif USE_ASYNC_EVENTS
- }
- else
- {
- HIDREPORTERROR ("HIDDequeueDevice - Invalid device.");
- result = kIOReturnBadArgument;
- }
- return result;
-}
-
-// ---------------------------------
-// releases all device queues for quit or rebuild (must be called)
-// does not release device interfaces, application must call HIDReleaseDeviceList on exit
-
-unsigned long HIDReleaseAllDeviceQueues (void)
-{
- IOReturn result = kIOReturnBadArgument;
- pRecDevice pDevice = HIDGetFirstDevice ();
-
- while (pDevice)
- {
- result = HIDDequeueDevice (pDevice);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDReleaseAllDeviceQueues - Could not dequeue device.", result);
- pDevice = HIDGetNextDevice (pDevice);
- }
- return result;
-}
-
-// ---------------------------------
-// Closes and releases interface to device, should be done prior to exting application
-// Note: will have no affect if device or interface do not exist
-// application will "own" the device if interface is not closed
-// (device may have to be plug and re-plugged in different location to get it working again without a restart)
-
-unsigned long HIDCloseReleaseInterface (pRecDevice pDevice)
-{
- IOReturn result = kIOReturnSuccess;
-
- if (HIDIsValidDevice(pDevice) && (NULL != pDevice->interface))
- {
- // close the interface
- result = (*(IOHIDDeviceInterface**) pDevice->interface)->close (pDevice->interface);
- if (kIOReturnNotOpen == result)
- {
- // do nothing as device was not opened, thus can't be closed
- }
- else if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDCloseReleaseInterface - Failed to close IOHIDDeviceInterface.", result);
- //release the interface
- result = (*(IOHIDDeviceInterface**) pDevice->interface)->Release (pDevice->interface);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDCloseReleaseInterface - Failed to release interface.", result);
- pDevice->interface = NULL;
- }
- return result;
-}
-
-// ---------------------------------
-// Get the next event in the queue for a device
-// elements or entire device should be queued prior to calling this with HIDQueueElement or HIDQueueDevice
-// returns true if an event is avialable for the element and fills out *pHIDEvent structure, returns false otherwise
-// Note: kIOReturnUnderrun returned from getNextEvent indicates an empty queue not an error condition
-// Note: application should pass in a pointer to a IOHIDEventStruct cast to a void (for CFM compatibility)
-
-unsigned char HIDGetEvent (pRecDevice pDevice, void * pHIDEvent)
-{
- IOReturn result = kIOReturnBadArgument;
- AbsoluteTime zeroTime = {0,0};
-
- if (HIDIsValidDevice(pDevice))
- {
- if (pDevice->queue)
- {
- result = (*(IOHIDQueueInterface**) pDevice->queue)->getNextEvent (pDevice->queue, (IOHIDEventStruct *)pHIDEvent, zeroTime, 0);
- if (kIOReturnUnderrun == result)
- return false; // no events in queue not an error per say
- else if (kIOReturnSuccess != result) // actual error versus just an empty queue
- HIDREPORTERRORNUM ("HIDGetEvent - Could not get HID event via getNextEvent.", result);
- else
- return true;
- }
- else
- HIDREPORTERROR ("HIDGetEvent - queue does not exist.");
- }
- else
- HIDREPORTERROR ("HIDGetEvent - invalid device.");
-
- return false; // did not get event
-}
-
-// ---------------------------------
-// returns current value for element, polling element
-// will return 0 on error conditions which should be accounted for by application
-
-long HIDGetElementValue (pRecDevice pDevice, pRecElement pElement)
-{
- IOReturn result = kIOReturnBadArgument;
- IOHIDEventStruct hidEvent;
-
- hidEvent.value = 0;
- hidEvent.longValueSize = 0;
- hidEvent.longValue = nil;
-
- if (HIDIsValidElement(pDevice, pElement))
- {
- if (NULL != pDevice->interface)
- {
- // ++ NOTE: If the element type is feature then use queryElementValue instead of getElementValue
- if (kIOHIDElementTypeFeature == pElement->type)
- {
- result = (*(IOHIDDeviceInterface**) pDevice->interface)->queryElementValue (pDevice->interface, pElement->cookie, &hidEvent,0,NULL,NULL,NULL);
- if (kIOReturnUnsupported == result) // unless it's unsuported.
- goto try_getElementValue;
- else if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDGetElementValue - Could not get HID element value via queryElementValue.", result);
- }
- else if (pElement->type <= kIOHIDElementTypeInput_ScanCodes)
- {
-try_getElementValue:
- result = (*(IOHIDDeviceInterface**) pDevice->interface)->getElementValue (pDevice->interface, pElement->cookie, &hidEvent);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDGetElementValue - Could not get HID element value via getElementValue.", result);
- }
- // on 10.0.x this returns the incorrect result for negative ranges, so fix it!!!
- // this is not required on Mac OS X 10.1+
- if ((pElement->min < 0) && (hidEvent.value > pElement->max)) // assume range problem
- hidEvent.value = hidEvent.value + pElement->min - pElement->max - 1;
- }
- else
- HIDREPORTERROR ("HIDGetElementValue - no interface for device.");
- }
- else
- HIDREPORTERROR ("HIDGetElementValue - invalid device and/or element.");
-
- // record min and max for auto scale and auto ...
-/*
- if (hidEvent.value < pElement->calMin)
- pElement->calMin = hidEvent.value;
- if (hidEvent.value > pElement->calMax)
- pElement->calMax = hidEvent.value;
-*/
-
- // auto user scale
- return hidEvent.value;
-}
-
-// ---------------------------------
-// Set an elements value
-// NOTE: This should only be used when a single element of a report needs to be sent.
-// If multiple elements are to be send then transactions should be used.
-
-long HIDSetElementValue (pRecDevice pDevice, pRecElement pElement,void* pIOHIDEvent)
-{
- IOHIDEventStruct* pMyIOHIDEvent = (IOHIDEventStruct*) pIOHIDEvent;
- IOReturn result = kIOReturnError; // assume failure (pessimist!)
-
- if (HIDIsValidElement(pDevice, pElement))
- {
- if (NULL != pDevice->interface)
- {
- result = (*(IOHIDDeviceInterface**) pDevice->interface)->setElementValue (pDevice->interface, pElement->cookie, pMyIOHIDEvent, -1, nil, nil, nil);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDSetElementValue - Could not set HID element value via setElementValue.", result);
- }
- else
- HIDREPORTERROR ("HIDSetElementValue - no interface for device.");
- }
- else
- HIDREPORTERROR ("HIDSetElementValue - invalid device and/or element.");
-
- return result;
-}
-
-// ---------------------------------
-// Set a callback to be called when a queue goes from empty to non-empty
-/*
-long HIDSetQueueCallback (pRecDevice pDevice, IOHIDCallbackFunction callback)
-{
- IOReturn result = kIOReturnError; // assume failure (pessimist!)
-
- if (HIDIsValidDevice(pDevice))
- {
-#if USE_ASYNC_EVENTS
- // if we don't have a queue runloop source…
- if (NULL == pDevice->queueRunLoopSource)
- {
- // then create one
- result = (*(IOHIDQueueInterface**) pDevice->queue)->createAsyncEventSource((void *) pDevice->queue,
- (CFRunLoopSourceRef*) &pDevice->queueRunLoopSource);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDSetQueueCallback - Failed to createAsyncEventSource error: ", result);
- }
- // if we have one now…
- if (NULL != pDevice->queueRunLoopSource)
- {
- // and it's not already attached to our runloop…
- if (!CFRunLoopContainsSource(CFRunLoopGetCurrent(), pDevice->queueRunLoopSource, kCFRunLoopDefaultMode))
- // then attach it now.
- CFRunLoopAddSource(CFRunLoopGetCurrent(), pDevice->queueRunLoopSource, kCFRunLoopDefaultMode);
- }
-
- // now install our callback
- result = (*(IOHIDQueueInterface**) pDevice->queue)->setEventCallout(pDevice->queue, callback, pDevice, pDevice);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDSetQueueCallback - Could not set HID queue callback via setEventCallout.", result);
-#endif USE_ASYNC_EVENTS
- }
- else
- HIDREPORTERROR ("HIDSetQueueCallback - invalid device and/or element.");
- return result;
-}
-*/
-#if 1
-// ---------------------------------
-// Get a report from a device
-long HIDGetReport (pRecDevice pDevice,const IOHIDReportType reportType, const UInt32 reportID, void* reportBuffer, UInt32* reportBufferSize)
-{
- IOReturn result = kIOReturnError; // assume failure (pessimist!)
-
- if (HIDIsValidDevice(pDevice))
- {
- if (NULL != pDevice->interface)
- {
- result = (*(IOHIDDeviceInterface**) pDevice->interface)->getReport (pDevice->interface, reportType, reportID, reportBuffer, reportBufferSize, -1, nil, nil, nil);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDGetReport - Could not getReport, error: ", result);
- }
- else
- HIDREPORTERROR ("HIDGetReport - no interface for device.");
- }
- else
- HIDREPORTERROR ("HIDGetReport - invalid device.");
-
- return result;
-}
-
-// ---------------------------------
-// Send a report to a device
-long HIDSetReport (pRecDevice pDevice,const IOHIDReportType reportType, const UInt32 reportID, void* reportBuffer, const UInt32 reportBufferSize)
-{
- IOReturn result = kIOReturnError; // assume failure (pessimist!)
-
- if (HIDIsValidDevice(pDevice))
- {
- if (NULL != pDevice->interface)
- {
- result = (*(IOHIDDeviceInterface**) pDevice->interface)->setReport (pDevice->interface, reportType, reportID, reportBuffer, reportBufferSize, -1, nil, nil, nil);
- if (kIOReturnSuccess != result)
- HIDREPORTERRORNUM ("HIDGetReport - Could not setReport; error: ", result);
- }
- else
- HIDREPORTERROR ("HIDGetReport - no interface for device.");
- }
- else
- HIDREPORTERROR ("HIDGetReport - invalid device.");
-
- return result;
-}
-#endif \ No newline at end of file