void os_updateindicators(usbdevice* kb, int force){
if(!IS_CONNECTED(kb) || NEEDS_FW_UPDATE(kb))
return;
// Set NumLock on permanently
char ileds = 1;
// Set Caps Lock if enabled. Unlike Linux, OSX keyboards have independent caps lock states, so
// we use the last-assigned value rather than fetching it from the system
if(kb->eventflags & kCGEventFlagMaskAlphaShift)
ileds |= 2;
usbmode* mode = kb->profile.currentmode;
if(mode && kb->active)
ileds = (ileds & ~mode->ioff) | mode->ion;
if(force || ileds != kb->ileds){
kb->ileds = ileds;
// Set the LEDs
CFArrayRef leds = IOHIDDeviceCopyMatchingElements(kb->handles[0], 0, kIOHIDOptionsTypeNone);
CFIndex count = CFArrayGetCount(leds);
for(CFIndex i = 0; i < count; i++){
IOHIDElementRef led = (void*)CFArrayGetValueAtIndex(leds, i);
uint32_t page = IOHIDElementGetUsagePage(led);
if(page != kHIDPage_LEDs)
continue;
uint32_t usage = IOHIDElementGetUsage(led);
IOHIDValueRef value = IOHIDValueCreateWithIntegerValue(kCFAllocatorDefault, led, 0, !!(ileds & (1 << (usage - 1))));
IOHIDDeviceSetValue(kb->handles[0], led, value);
CFRelease(value);
}
CFRelease(leds);
}
}
void updateindicators(usbdevice* kb, int force){
// Set NumLock on permanently
char ileds = 1;
// Set Caps Lock if enabled. Unlike Linux, OSX keyboards have independent caps lock states, so
// we use the last-assigned value rather than fetching it from the system
if(kb->eflags & kCGEventFlagMaskAlphaShift)
ileds |= 2;
if(force || ileds != kb->ileds){
kb->ileds = ileds;
// Set the LEDs
CFArrayRef leds = IOHIDDeviceCopyMatchingElements(kb->handles[0], 0, kIOHIDOptionsTypeNone);
CFIndex count = CFArrayGetCount(leds);
for(CFIndex i = 0; i < count; i++){
IOHIDElementRef led = (void*)CFArrayGetValueAtIndex(leds, i);
uint32_t page = IOHIDElementGetUsagePage(led);
if(page != kHIDPage_LEDs)
continue;
uint32_t usage = IOHIDElementGetUsage(led);
IOHIDValueRef value = IOHIDValueCreateWithIntegerValue(kCFAllocatorDefault, led, 0, !!(ileds & (1 << (usage - 1))));
IOHIDDeviceSetValue(kb->handles[0], led, value);
CFRelease(value);
}
CFRelease(leds);
IOHIDDeviceSetReport(kb->handles[1], kIOHIDReportTypeOutput, 0, &kb->ileds, 1);
}
}
static CFIndex find_top_level(IOHIDDeviceRef tIOHIDDeviceRef, CFArrayRef topLevels)
{
CFArrayRef gElementCFArrayRef;
CFIndex numTops = 0;
if (!tIOHIDDeviceRef)
return 0;
gElementCFArrayRef = IOHIDDeviceCopyMatchingElements(tIOHIDDeviceRef, NULL, 0);
if (gElementCFArrayRef)
{
CFIndex idx, cnt = CFArrayGetCount(gElementCFArrayRef);
for (idx=0; idx<cnt; idx++)
{
IOHIDElementRef tIOHIDElementRef = (IOHIDElementRef)CFArrayGetValueAtIndex(gElementCFArrayRef, idx);
int eleType = IOHIDElementGetType(tIOHIDElementRef);
/* Check for top-level gaming device collections */
if (eleType == kIOHIDElementTypeCollection && IOHIDElementGetParent(tIOHIDElementRef) == 0)
{
int tUsagePage = IOHIDElementGetUsagePage(tIOHIDElementRef);
int tUsage = IOHIDElementGetUsage(tIOHIDElementRef);
if (tUsagePage == kHIDPage_GenericDesktop &&
(tUsage == kHIDUsage_GD_Joystick || tUsage == kHIDUsage_GD_GamePad))
{
CFArrayAppendValue((CFMutableArrayRef)topLevels, tIOHIDElementRef);
numTops++;
}
}
}
}
return numTops;
}
IOHIDElementRef GetFirstOutputElement(IOHIDDeviceRef device)
{
IOHIDElementRef output = NULL;
CFArrayRef arrayElements = IOHIDDeviceCopyMatchingElements(device, NULL, kIOHIDOptionsTypeNone);
CFIndex elementCount = CFArrayGetCount(arrayElements);
for(CFIndex i = 0; i < elementCount; i++)
{
IOHIDElementRef tIOHIDElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(arrayElements, i);
if(!tIOHIDElementRef)
{
continue;
}
IOHIDElementType type = IOHIDElementGetType(tIOHIDElementRef);
switch ( type )
{
case kIOHIDElementTypeOutput:
{
output = tIOHIDElementRef;
break;
}
default:
break;
}
if(output)
{
break;
}
}
CFRelease(arrayElements);
return output;
}
int joy_hidlib_enumerate_elements(joy_hid_device_t *device)
{
IOHIDDeviceRef dev = device->internal_device;
if(dev == NULL) {
return -1;
}
/* get all elements of device */
CFArrayRef internal_elements = IOHIDDeviceCopyMatchingElements( dev, NULL, 0 );
if(!internal_elements) {
return -1;
}
/* get number of elements */
CFIndex cnt = CFArrayGetCount( internal_elements );
device->num_elements = (int)cnt;
/* create elements array */
joy_hid_element_t *elements = (joy_hid_element_t *)
lib_malloc(sizeof(joy_hid_element_t) * cnt);
if(elements == NULL) {
CFRelease(internal_elements);
internal_elements = NULL;
return -1;
}
/* enumerate and convert all elements */
CFIndex i;
joy_hid_element_t *e = elements;
for(i=0;i<cnt;i++) {
IOHIDElementRef internal_element =
( IOHIDElementRef ) CFArrayGetValueAtIndex( internal_elements, i );
if ( internal_element ) {
uint32_t usage_page = IOHIDElementGetUsagePage( internal_element );
uint32_t usage = IOHIDElementGetUsage( internal_element );
CFIndex min = IOHIDElementGetPhysicalMin( internal_element );
CFIndex max = IOHIDElementGetPhysicalMax( internal_element );
e->usage_page = (int)usage_page;
e->usage = (int)usage;
e->min_value = (int)min;
e->max_value = (int)max;
e->internal_element = internal_element;
} else {
e->usage_page = -1;
e->usage = -1;
e->min_value = -1;
e->max_value = -1;
e->internal_element = NULL;
}
e++;
}
/* keep the reference until the elements are free'ed again */
device->internal_elements = internal_elements;
device->elements = elements;
return (int)cnt;
}
bool JoystickOSX::configure_joystick(IOHIDDeviceRef p_device_ref, joystick *p_joy) {
CFTypeRef refCF = NULL;
p_joy->device_ref = p_device_ref;
/* get device name */
String name;
char c_name[256];
refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDProductKey));
if (!refCF) {
refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDManufacturerKey));
}
if ((!refCF) || (!CFStringGetCString((CFStringRef)refCF, c_name, sizeof(c_name), kCFStringEncodingUTF8))) {
name = "Unidentified Joystick";
}
name = c_name;
int id = input->get_unused_joy_id();
ERR_FAIL_COND_V(id == -1, false);
p_joy->id = id;
int vendor = 0;
refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDVendorIDKey));
if (refCF) {
CFNumberGetValue((CFNumberRef)refCF, kCFNumberSInt32Type, &vendor);
}
int product_id = 0;
refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDProductIDKey));
if (refCF) {
CFNumberGetValue((CFNumberRef)refCF, kCFNumberSInt32Type, &product_id);
}
if (vendor && product_id) {
char uid[128];
sprintf(uid, "%04x%08x%04x%08x", OSSwapHostToBigInt32(vendor), 0, OSSwapHostToBigInt32(product_id), 0);
input->joy_connection_changed(id, true, name, uid);
} else {
//bluetooth device
String guid = "05000000";
for (int i = 0; i < 12; i++) {
if (i < name.size())
guid += _hex_str(name[i]);
else
guid += "00";
}
input->joy_connection_changed(id, true, name, guid);
}
CFArrayRef array = NULL;
array = IOHIDDeviceCopyMatchingElements(p_device_ref, NULL, kIOHIDOptionsTypeNone);
if (array) {
p_joy->add_hid_elements(array);
CFRelease(array);
}
return true;
}
void setKeyboard(struct __IOHIDDevice *device, CFDictionaryRef keyboardDictionary, LedState changes[])
{
CFStringRef deviceNameRef = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey));
if (!deviceNameRef) return;
const char * deviceName = CFStringGetCStringPtr(deviceNameRef, kCFStringEncodingUTF8);
if (nameMatch && fnmatch(nameMatch, deviceName, 0) != 0)
return;
if (verbose)
printf("\n \"%s\" ", deviceName);
CFArrayRef elements = IOHIDDeviceCopyMatchingElements(device, keyboardDictionary, kIOHIDOptionsTypeNone);
if (elements) {
for (CFIndex elementIndex = 0; elementIndex < CFArrayGetCount(elements); elementIndex++) {
IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, elementIndex);
if (element && kHIDPage_LEDs == IOHIDElementGetUsagePage(element)) {
uint32_t led = IOHIDElementGetUsage(element);
if (led >= maxLeds) break;
// Get current keyboard led status
IOHIDValueRef currentValue = 0;
if (IOHIDDeviceGetValue(device, element, ¤tValue) == kIOReturnSuccess &&
IOHIDValueGetLength(currentValue) < 3) {
long current = IOHIDValueGetIntegerValue(currentValue);
CFRelease(currentValue);
// Should we try to set the led?
if (changes[led] != NoChange && changes[led] != current) {
IOHIDValueRef newValue = IOHIDValueCreateWithIntegerValue(kCFAllocatorDefault, element, 0, changes[led]);
if (newValue) {
IOReturn changeResult = IOHIDDeviceSetValue(device, element, newValue);
// Was the change successful?
if (kIOReturnSuccess == changeResult && verbose) {
printf("%s%s ", stateSymbol[changes[led]], ledNames[led - 1]);
}
CFRelease(newValue);
}
} else if (verbose) {
printf("%s%s ", stateSymbol[current], ledNames[led - 1]);
}
}
}
}
CFRelease(elements);
}
if (verbose)
printf("\n");
}
IOHIDElementRef GetNextOutputElement(IOHIDDeviceRef device, IOHIDElementRef previousElement)
{
bool found = false;
IOHIDElementRef output = NULL;
CFArrayRef arrayElements = IOHIDDeviceCopyMatchingElements(device, NULL, kIOHIDOptionsTypeNone);
CFIndex elementCount = CFArrayGetCount(arrayElements);
for(CFIndex i = 0; i < elementCount; i++)
{
IOHIDElementRef tIOHIDElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(arrayElements, i);
if(!tIOHIDElementRef)
{
continue;
}
if(!found)
{
if(previousElement == tIOHIDElementRef)
{
CFRelease(previousElement); // do we need this ?
found = true;
}
continue;
}
IOHIDElementType type = IOHIDElementGetType(tIOHIDElementRef);
switch ( type )
{
case kIOHIDElementTypeOutput:
{
output = tIOHIDElementRef;
break;
}
default:
break;
}
if(output)
{
break;
}
}
CFRelease(arrayElements);
return output;
}
void HIDGamepad::initElements()
{
RetainPtr<CFArrayRef> elements = adoptCF(IOHIDDeviceCopyMatchingElements(m_hidDevice.get(), NULL, kIOHIDOptionsTypeNone));
initElementsFromArray(elements.get());
// Buttons are specified to appear highest priority first in the array.
std::sort(m_buttons.begin(), m_buttons.end(), [](const std::unique_ptr<HIDGamepadButton>& a, const std::unique_ptr<HIDGamepadButton>& b) {
return a->priority < b->priority;
});
m_axisValues.resize(m_axes.size());
m_buttonValues.resize(m_buttons.size());
for (auto& button : m_buttons)
getCurrentValueForElement(*button);
for (auto& axis : m_axes)
getCurrentValueForElement(*axis);
}
/**************************************************************************
* find_top_level
*/
static CFIndex find_top_level(IOHIDDeviceRef hid_device, CFMutableArrayRef main_elements)
{
CFArrayRef elements;
CFIndex total = 0;
TRACE("hid_device %s\n", debugstr_device(hid_device));
if (!hid_device)
return 0;
elements = IOHIDDeviceCopyMatchingElements(hid_device, NULL, 0);
if (elements)
{
CFIndex i, count = CFArrayGetCount(elements);
for (i = 0; i < count; i++)
{
IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, i);
int type = IOHIDElementGetType(element);
TRACE("element %s\n", debugstr_element(element));
/* Check for top-level gaming device collections */
if (type == kIOHIDElementTypeCollection && IOHIDElementGetParent(element) == 0)
{
int usage_page = IOHIDElementGetUsagePage(element);
int usage = IOHIDElementGetUsage(element);
if (usage_page == kHIDPage_GenericDesktop &&
(usage == kHIDUsage_GD_Joystick || usage == kHIDUsage_GD_GamePad))
{
CFArrayAppendValue(main_elements, element);
total++;
}
}
}
CFRelease(elements);
}
TRACE("-> total %d\n", (int)total);
return total;
}
void CInputProviderMacOsHid::SetInitialBindValues(IOHIDDeviceRef device)
{
CFArrayRef elements = IOHIDDeviceCopyMatchingElements(device, nullptr, 0);
for(int i = 0; i < CFArrayGetCount(elements); i++)
{
IOHIDElementRef elementRef = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, i);
uint32 usagePage = IOHIDElementGetUsagePage(elementRef);
if(
(usagePage != kHIDPage_GenericDesktop) &&
(usagePage != kHIDPage_Button))
{
continue;
}
IOHIDValueRef valueRef;
if(IOHIDDeviceGetValue(device, elementRef, &valueRef) != kIOReturnSuccess)
{
continue;
}
CFIndex value = IOHIDValueGetIntegerValue(valueRef);
IOHIDElementType type = IOHIDElementGetType(elementRef);
uint32 usage = IOHIDElementGetUsage(elementRef);
BINDINGTARGET tgt;
tgt.providerId = PROVIDER_ID;
tgt.deviceId = GetDeviceID(device);
tgt.keyId = usage;
tgt.keyType = GetKeyType(usage, type);
switch(type)
{
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
case kIOHIDElementTypeInput_Axis:
OnInput(tgt, value);
break;
default:
break;
}
}
}
unsigned char HIDConfigureSingleDeviceAction(IOHIDDeviceRef inIOHIDDeviceRef,
IOHIDElementRef * outIOHIDElementRef,
double timeout) {
if (!inIOHIDDeviceRef) {
return (0);
}
if (0 == HIDHaveDeviceList()) { // if we do not have a device list
return (0); // return 0
}
Boolean found = false;
// build list of device and elements to save current values
CFIndex maxElements = HIDCountDeviceElements(inIOHIDDeviceRef,
kHIDElementTypeInput);
double *saveValueArray = (double *) calloc(maxElements,
sizeof(double)); // 2D array to save values
// store initial values on first pass / compare to initial value on subsequent passes
Boolean first = true;
// get all the elements from this device
CFArrayRef elementCFArrayRef = IOHIDDeviceCopyMatchingElements(inIOHIDDeviceRef,
NULL,
kIOHIDOptionsTypeNone);
// if that worked...
if (elementCFArrayRef) {
clock_t start = clock(),
end;
// poll all devices and elements
while (!found) {
uint32_t currElementIndex = 0;
CFIndex idx,
cnt = CFArrayGetCount(elementCFArrayRef);
for (idx = 0; idx < cnt; idx++) {
*outIOHIDElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(elementCFArrayRef,
idx);
if (!*outIOHIDElementRef) {
continue;
}
// is this an input element?
IOHIDElementType type = IOHIDElementGetType(*outIOHIDElementRef);
switch (type) {
// these types are inputs
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
case kIOHIDElementTypeInput_Axis:
case kIOHIDElementTypeInput_ScanCodes:
default:
{
break;
}
case kIOHIDElementTypeOutput:
case kIOHIDElementTypeFeature:
case kIOHIDElementTypeCollection:
{
*outIOHIDElementRef = NULL; // these types are not (Skip them)
break;
}
} /* switch */
if (!*outIOHIDElementRef) {
continue; // skip this element
}
// get this elements current value
double value = 0; // default value is zero
IOHIDValueRef tIOHIDValueRef;
IOReturn ioReturn = IOHIDDeviceGetValue(inIOHIDDeviceRef,
*outIOHIDElementRef,
&tIOHIDValueRef);
if (kIOReturnSuccess == ioReturn) {
value = IOHIDValueGetScaledValue(tIOHIDValueRef,
kIOHIDValueScaleTypePhysical);
}
if (first) {
saveValueArray[currElementIndex] = value;
} else {
CFIndex min = IOHIDElementGetLogicalMin(*outIOHIDElementRef);
CFIndex max = IOHIDElementGetLogicalMax(*outIOHIDElementRef);
double initialValue = saveValueArray[currElementIndex];
double delta = (double) (max -
min) *
kPercentMove *
0.01f;
// is the new value within +/- delta of the initial value?
if (((initialValue +
delta) < value) ||
((initialValue -
delta) > value))
{
found = 1; // (yes!) mark as found
break;
}
} // if (first)
currElementIndex++; // bump element index
} // next idx
if (first) {
first = false; // no longer the first pass
} else {
// are we done?
end = clock();
double secs = (double) (end -
start) /
CLOCKS_PER_SEC;
if (secs > timeout) {
break; // (yes) timeout
}
}
} // while (!found)
CFRelease(elementCFArrayRef);
} // if (elementCFArrayRef)
if (saveValueArray) {
free(saveValueArray);
}
// return device and element moved
if (found) {
return (1);
} else {
*outIOHIDElementRef = NULL;
return (0);
}
} // HIDConfigureSingleDeviceAction
// *************************************************************************
//
// HIDConfigureAction(outIOHIDDeviceRef, outIOHIDElementRef, inTimeout)
//
// Purpose: polls all devices and elements for a change greater than kPercentMove.
// Times out after given time returns 1 and pointer to device and element
// if found; returns 0 and NULL for both parameters if not found
//
// Inputs: outIOHIDDeviceRef - address where to store the device
// outIOHIDElementRef - address where to store the element
// inTimeout - the timeout
// Returns: Boolean - if successful
// outIOHIDDeviceRef - the device
// outIOHIDElementRef - the element
//
Boolean HIDConfigureActionOfType(actionTypeMask inActionTypeMask,
double inTimeout,
IOHIDDeviceRef * outIOHIDDeviceRef,
IOHIDElementRef * outIOHIDElementRef) {
// param error?
if (!outIOHIDDeviceRef ||
!outIOHIDElementRef)
{
return (false);
}
if (!gDeviceCFArrayRef) { // if we do not have a device list
// and we can't build another list
if (!HIDBuildDeviceList(0,
0) ||
!gDeviceCFArrayRef)
{
return (false); // bail
}
}
IOHIDDeviceRef tIOHIDDeviceRef;
IOHIDElementRef tIOHIDElementRef;
IOHIDElementType elementType = 0;
switch (inActionTypeMask) {
case kActionTypeButton:
{
elementType = kIOHIDElementTypeInput_Button;
break;
}
case kActionTypeAxis:
{
elementType = kIOHIDElementTypeInput_Misc;
break;
}
case kActionTypeAll:
default:
{
elementType = 0;
break;
}
} // switch
// determine the maximum number of elements
CFIndex maxElements = 0;
CFIndex devIndex,
devCount = CFArrayGetCount(gDeviceCFArrayRef);
for (devIndex = 0; devIndex < devCount; devIndex++) {
tIOHIDDeviceRef = (IOHIDDeviceRef) CFArrayGetValueAtIndex(gDeviceCFArrayRef,
devIndex);
if (!tIOHIDDeviceRef) {
continue; // skip this one
}
// HIDDumpDeviceInfo(tIOHIDDeviceRef);
CFIndex count = HIDCountDeviceElementsOfType(tIOHIDDeviceRef,
elementType);
if (count > maxElements) {
maxElements = count;
}
}
if (!(devCount *
maxElements))
{
return (false);
}
#if true
// NSDictionary * matchDictionary = @{@(kIOHIDElementTypeKey): @(elementType)};
const void *keys[] = {CFSTR(kIOHIDElementTypeKey)};
const void *vals[] = {CFNumberCreate(kCFAllocatorDefault,
kCFNumberIntType,
&elementType)};
CFDictionaryRef matchingDict = CFDictionaryCreate(kCFAllocatorDefault,
keys,
vals,
1,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFRelease(vals[0]);
#endif // if 1
// allocate an array of int's in which to store devCount * maxElements values
double *saveValueArray = (double *) calloc(devCount *
maxElements,
sizeof(double)); // clear 2D array to save values
// remember when we start; used to calculate timeout
clock_t start = clock(),
end;
// on first pass store initial values / compare current values to initial values on subsequent passes
Boolean found = false,
first = true;
while (!found) {
double maxDeltaPercent = 0; // we want to find the one that moves the most
// (percentage wise)
for (devIndex = 0; devIndex < devCount; devIndex++) {
tIOHIDDeviceRef = (IOHIDDeviceRef) CFArrayGetValueAtIndex(gDeviceCFArrayRef,
devIndex);
if (!tIOHIDDeviceRef) {
continue; // skip this one
}
gElementCFArrayRef = IOHIDDeviceCopyMatchingElements(tIOHIDDeviceRef,
matchingDict,
kIOHIDOptionsTypeNone);
if (gElementCFArrayRef) {
CFIndex eleIndex,
eleCount = CFArrayGetCount(gElementCFArrayRef);
for (eleIndex = 0; eleIndex < eleCount; eleIndex++) {
tIOHIDElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(gElementCFArrayRef,
eleIndex);
if (!tIOHIDElementRef) {
continue;
}
IOHIDElementType tIOHIDElementType = IOHIDElementGetType(tIOHIDElementRef);
// only care about inputs (no outputs or features)
if (tIOHIDElementType <= kIOHIDElementTypeInput_ScanCodes) {
if (IOHIDElementIsArray(tIOHIDElementRef)) {
// printf("ARRAY!\n");
continue; // skip array elements
}
if (elementType &&
((tIOHIDElementType != elementType)))
{
continue;
}
uint32_t usagePage = IOHIDElementGetUsagePage(tIOHIDElementRef);
uint32_t usage = IOHIDElementGetUsage(tIOHIDElementRef);
uint32_t reportCount = IOHIDElementGetReportCount(tIOHIDElementRef);
#ifdef DEBUG
if (first) {
HIDDumpElementInfo(tIOHIDElementRef);
fflush(stdout);
uint32_t vendorID = IOHIDDevice_GetVendorID(tIOHIDDeviceRef);
uint32_t productID = IOHIDDevice_GetProductID(tIOHIDDeviceRef);
IOHIDElementCookie cookie = IOHIDElementGetCookie(tIOHIDElementRef);
if ((0x054C == vendorID) &&
(0x0268 == productID) &&
(0x001E == (uint32_t) cookie))
{
// printf("DING!\n");
}
}
#endif // ifdef DEBUG
#if true // work-around for IOHIDValueGetScaledValue crash
// (when element report count > 1)
if (reportCount > 1) {
// printf("REPORT!\n");
continue; // skip reports
}
#endif // if 1
// ignore PID elements and arrays
if ((kHIDPage_PID != usagePage) &&
((-1) != usage))
{
// get this elements current value
double value = 0.0; // default value is zero
IOHIDValueRef tIOHIDValueRef;
IOReturn ioReturn = IOHIDDeviceGetValue(tIOHIDDeviceRef,
tIOHIDElementRef,
&tIOHIDValueRef);
if (kIOReturnSuccess == ioReturn) {
value = IOHIDValueGetScaledValue(tIOHIDValueRef,
kIOHIDValueScaleTypePhysical);
}
if (first) {
saveValueArray[(devIndex *
maxElements) +
eleIndex] = value;
} else {
double initialValue = saveValueArray[(devIndex *
maxElements) +
eleIndex];
CFIndex valueMin = IOHIDElementGetPhysicalMin(tIOHIDElementRef);
CFIndex valueMax = IOHIDElementGetPhysicalMax(tIOHIDElementRef);
double deltaPercent = fabs((initialValue -
value) *
100.0 /
(valueMax -
valueMin));
#if false // debug code useful to dump out value info for
// specific (vendorID, productID, usagePage and
// usage) device
if (!first) {
// Device: 0x13b6a0 = { Logitech Inc. - WingMan Force 3D, vendorID: 0x046D, productID: 0xC283,
// usage: 0x0001:0x0004, "Generic Desktop Joystick"
if ((vendorID == 0x046D) &&
(productID == 0xC283))
{
if ((kHIDPage_GenericDesktop == usagePage) &&
(kHIDUsage_GD_Rz == usage))
{
printf("initial: %6.2f, value: %6.2f, diff: %6.2f, delta percent: %6.2f!\n",
initialValue,
value,
fabs(initialValue -
value),
deltaPercent);
}
}
}
deltaPercent = 0.0;
#endif // if false
if (deltaPercent >= kPercentMove) {
found = true;
if (deltaPercent > maxDeltaPercent) {
maxDeltaPercent = deltaPercent;
*outIOHIDDeviceRef = tIOHIDDeviceRef;
*outIOHIDElementRef = tIOHIDElementRef;
}
break;
}
} // if first
} // if usage
} // if type
} // for elements...
CFRelease(gElementCFArrayRef);
gElementCFArrayRef = NULL;
} // if (gElementCFArrayRef)
if (found) {
// HIDDumpElementInfo(tIOHIDElementRef);
break; // DONE!
}
} // for devices
first = false; // no longer the first pass
// are we done?
end = clock();
double secs = (double) (end -
start) /
CLOCKS_PER_SEC;
if (secs > inTimeout) {
break; // (yes) timeout
}
} // while (!found)
if (saveValueArray) {
free(saveValueArray);
}
// return device and element moved
if (!found) {
*outIOHIDDeviceRef = NULL;
*outIOHIDElementRef = NULL;
}
CFRelease(matchingDict);
return (found);
} // HIDConfigureAction
static SDL_bool
GetDeviceInfo(IOHIDDeviceRef hidDevice, recDevice *pDevice)
{
Uint32 *guid32 = NULL;
CFTypeRef refCF = NULL;
CFArrayRef array = NULL;
/* get usage page and usage */
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDPrimaryUsagePageKey));
if (refCF) {
CFNumberGetValue(refCF, kCFNumberSInt32Type, &pDevice->usagePage);
}
if (pDevice->usagePage != kHIDPage_GenericDesktop) {
return SDL_FALSE; /* Filter device list to non-keyboard/mouse stuff */
}
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDPrimaryUsageKey));
if (refCF) {
CFNumberGetValue(refCF, kCFNumberSInt32Type, &pDevice->usage);
}
if ((pDevice->usage != kHIDUsage_GD_Joystick &&
pDevice->usage != kHIDUsage_GD_GamePad &&
pDevice->usage != kHIDUsage_GD_MultiAxisController)) {
return SDL_FALSE; /* Filter device list to non-keyboard/mouse stuff */
}
pDevice->deviceRef = hidDevice;
/* get device name */
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDProductKey));
if (!refCF) {
/* Maybe we can't get "AwesomeJoystick2000", but we can get "Logitech"? */
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDManufacturerKey));
}
if ((!refCF) || (!CFStringGetCString(refCF, pDevice->product, sizeof (pDevice->product), kCFStringEncodingUTF8))) {
SDL_strlcpy(pDevice->product, "Unidentified joystick", sizeof (pDevice->product));
}
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDVendorIDKey));
if (refCF) {
CFNumberGetValue(refCF, kCFNumberSInt32Type, &pDevice->guid.data[0]);
}
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDProductIDKey));
if (refCF) {
CFNumberGetValue(refCF, kCFNumberSInt32Type, &pDevice->guid.data[8]);
}
/* Check to make sure we have a vendor and product ID
If we don't, use the same algorithm as the Linux code for Bluetooth devices */
guid32 = (Uint32*)pDevice->guid.data;
if (!guid32[0] && !guid32[1]) {
/* If we don't have a vendor and product ID this is probably a Bluetooth device */
const Uint16 BUS_BLUETOOTH = 0x05;
Uint16 *guid16 = (Uint16 *)guid32;
*guid16++ = BUS_BLUETOOTH;
*guid16++ = 0;
SDL_strlcpy((char*)guid16, pDevice->product, sizeof(pDevice->guid.data) - 4);
}
array = IOHIDDeviceCopyMatchingElements(hidDevice, NULL, kIOHIDOptionsTypeNone);
if (array) {
AddHIDElements(array, pDevice);
CFRelease(array);
}
return SDL_TRUE;
}
bool JoystickImpl::open(unsigned int index)
{
m_index = index;
Location deviceLoc = m_locationIDs[index]; // The device we need to load
// Get all devices
CFSetRef devices = HIDJoystickManager::getInstance().copyJoysticks();
if (devices == NULL)
return false;
// Get a usable copy of the joysticks devices.
CFIndex joysticksCount = CFSetGetCount(devices);
CFTypeRef devicesArray[joysticksCount];
CFSetGetValues(devices, devicesArray);
// Get the desired joystick.
IOHIDDeviceRef self = 0;
for (CFIndex i(0); i < joysticksCount; ++i)
{
IOHIDDeviceRef d = (IOHIDDeviceRef)devicesArray[i];
if (deviceLoc == HIDInputManager::getLocationID(d))
{
self = d;
break; // We found it so we stop looping.
}
}
if (self == 0)
{
// This shouldn't happen!
CFRelease(devices);
return false;
}
m_identification.name = getDeviceString(self, CFSTR(kIOHIDProductKey), m_index);
m_identification.vendorId = getDeviceUint(self, CFSTR(kIOHIDVendorIDKey), m_index);
m_identification.productId = getDeviceUint(self, CFSTR(kIOHIDProductIDKey), m_index);
// Get a list of all elements attached to the device.
CFArrayRef elements = IOHIDDeviceCopyMatchingElements(self, NULL, kIOHIDOptionsTypeNone);
if (elements == NULL)
{
CFRelease(devices);
return false;
}
// How many elements are there?
CFIndex elementsCount = CFArrayGetCount(elements);
if (elementsCount == 0)
{
// What is a joystick with no element?
CFRelease(elements);
CFRelease(devices);
return false;
}
// Go through all connected elements.
for (int i = 0; i < elementsCount; ++i)
{
IOHIDElementRef element = (IOHIDElementRef) CFArrayGetValueAtIndex(elements, i);
switch (IOHIDElementGetType(element))
{
case kIOHIDElementTypeInput_Misc:
switch (IOHIDElementGetUsage(element))
{
case kHIDUsage_GD_X: m_axis[Joystick::X] = element; break;
case kHIDUsage_GD_Y: m_axis[Joystick::Y] = element; break;
case kHIDUsage_GD_Z: m_axis[Joystick::Z] = element; break;
case kHIDUsage_GD_Rx: m_axis[Joystick::U] = element; break;
case kHIDUsage_GD_Ry: m_axis[Joystick::V] = element; break;
case kHIDUsage_GD_Rz: m_axis[Joystick::R] = element; break;
// kHIDUsage_GD_Vx, kHIDUsage_GD_Vy, kHIDUsage_GD_Vz are ignored.
}
break;
case kIOHIDElementTypeInput_Button:
if (m_buttons.size() < Joystick::ButtonCount) // If we have free slot...
m_buttons.push_back(element); // ...we add this element to the list
// Else: too many buttons. We ignore this one.
break;
default: // Make compiler happy
break;
}
}
// Ensure that the buttons will be indexed in the same order as their
// HID Usage (assigned by manufacturer and/or a driver).
std::sort(m_buttons.begin(), m_buttons.end(), JoystickButtonSortPredicate);
// Note: Joy::AxisPovX/Y are not supported (yet).
// Maybe kIOHIDElementTypeInput_Axis is the corresponding type but I can't test.
// Retain all these objects for personal use
for (ButtonsVector::iterator it(m_buttons.begin()); it != m_buttons.end(); ++it)
CFRetain(*it);
for (AxisMap::iterator it(m_axis.begin()); it != m_axis.end(); ++it)
CFRetain(it->second);
// Note: we didn't retain element in the switch because we might have multiple
// Axis X (for example) and we want to keep only the last one. So to prevent
// leaking we retain objects 'only' now.
CFRelease(devices);
CFRelease(elements);
return true;
}
bool GPUSB_Open() {
// VID = 4938 PID = 36897
IOHIDManagerRef managerRef = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
pGPUSB = FindDevice(managerRef, 4938, 36896);
if(!pGPUSB)
{
CFRelease(managerRef);
return false;
}
GPUSB_Model = 0;
CFArrayRef arrayElements = IOHIDDeviceCopyMatchingElements(pGPUSB, NULL, kIOHIDOptionsTypeNone);
CFIndex elementCount = CFArrayGetCount(arrayElements);
int countInputElements = 0;
for(int i = 0; i < elementCount; i++)
{
IOHIDElementRef tIOHIDElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(arrayElements, i);
if(!tIOHIDElementRef)
{
continue;
}
IOHIDElementType type = IOHIDElementGetType(tIOHIDElementRef);
switch ( type )
{
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
case kIOHIDElementTypeInput_Axis:
case kIOHIDElementTypeInput_ScanCodes:
{
countInputElements++;
break;
}
default:
break;
}
CFRelease(tIOHIDElementRef);
}
CFRelease(arrayElements);
if(countInputElements == 1)
GPUSB_Model = 1;
// now opening the device for communication
IOReturn ioReturnValue = IOHIDDeviceOpen(pGPUSB, kIOHIDOptionsTypeSeizeDevice);
if(ioReturnValue != kIOReturnSuccess)
{
CFRelease(pGPUSB);
pGPUSB = NULL;
CFRelease(managerRef);
return false;
}
CFRelease(managerRef); // check if this is ok
return true;
}
static void onDeviceMatched(void * context, IOReturn result, void * sender, IOHIDDeviceRef device) {
CFArrayRef elements;
CFIndex elementIndex;
IOHIDElementRef element;
CFStringRef cfProductName;
struct Gamepad_device * deviceRecord;
struct Gamepad_devicePrivate * hidDeviceRecord;
IOHIDElementType type;
char * description;
struct Gamepad_queuedEvent queuedEvent;
deviceRecord = malloc(sizeof(struct Gamepad_device));
deviceRecord->deviceID = nextDeviceID++;
deviceRecord->vendorID = IOHIDDeviceGetVendorID(device);
deviceRecord->productID = IOHIDDeviceGetProductID(device);
deviceRecord->deviceMap = Gamepad_deviceMap(deviceRecord->vendorID, deviceRecord->productID);
deviceRecord->numAxes = 0;
deviceRecord->numButtons = 0;
devices = realloc(devices, sizeof(struct Gamepad_device *) * (numDevices + 1));
devices[numDevices++] = deviceRecord;
hidDeviceRecord = malloc(sizeof(struct Gamepad_devicePrivate));
hidDeviceRecord->deviceRef = device;
hidDeviceRecord->axisElements = NULL;
hidDeviceRecord->buttonElements = NULL;
deviceRecord->privateData = hidDeviceRecord;
cfProductName = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey));
if (cfProductName == NULL || CFGetTypeID(cfProductName) != CFStringGetTypeID()) {
description = malloc(strlen("[Unknown]" + 1));
strcpy(description, "[Unknown]");
} else {
CFIndex length;
CFStringGetBytes(cfProductName, CFRangeMake(0, CFStringGetLength(cfProductName)), kCFStringEncodingUTF8, '?', false, NULL, 100, &length);
description = malloc(length + 1);
CFStringGetBytes(cfProductName, CFRangeMake(0, CFStringGetLength(cfProductName)), kCFStringEncodingUTF8, '?', false, (UInt8 *) description, length + 1, NULL);
description[length] = '\x00';
}
deviceRecord->description = description;
elements = IOHIDDeviceCopyMatchingElements(device, NULL, kIOHIDOptionsTypeNone);
for (elementIndex = 0; elementIndex < CFArrayGetCount(elements); elementIndex++) {
element = (IOHIDElementRef) CFArrayGetValueAtIndex(elements, elementIndex);
type = IOHIDElementGetType(element);
// All of the axis elements I've ever detected have been kIOHIDElementTypeInput_Misc. kIOHIDElementTypeInput_Axis is only included for good faith...
if (type == kIOHIDElementTypeInput_Misc ||
type == kIOHIDElementTypeInput_Axis) {
hidDeviceRecord->axisElements = realloc(hidDeviceRecord->axisElements, sizeof(struct HIDGamepadAxis) * (deviceRecord->numAxes + 1));
hidDeviceRecord->axisElements[deviceRecord->numAxes].cookie = IOHIDElementGetCookie(element);
hidDeviceRecord->axisElements[deviceRecord->numAxes].logicalMin = IOHIDElementGetLogicalMin(element);
hidDeviceRecord->axisElements[deviceRecord->numAxes].logicalMax = IOHIDElementGetLogicalMax(element);
hidDeviceRecord->axisElements[deviceRecord->numAxes].hasNullState = !!IOHIDElementHasNullState(element);
hidDeviceRecord->axisElements[deviceRecord->numAxes].isHatSwitch = IOHIDElementGetUsage(element) == kHIDUsage_GD_Hatswitch;
hidDeviceRecord->axisElements[deviceRecord->numAxes].isHatSwitchSecondAxis = false;
deviceRecord->numAxes++;
if (hidDeviceRecord->axisElements[deviceRecord->numAxes - 1].isHatSwitch) {
hidDeviceRecord->axisElements = realloc(hidDeviceRecord->axisElements, sizeof(struct HIDGamepadAxis) * (deviceRecord->numAxes + 1));
hidDeviceRecord->axisElements[deviceRecord->numAxes].isHatSwitchSecondAxis = true;
deviceRecord->numAxes++;
}
} else if (type == kIOHIDElementTypeInput_Button) {
hidDeviceRecord->buttonElements = realloc(hidDeviceRecord->buttonElements, sizeof(struct HIDGamepadButton) * (deviceRecord->numButtons + 1));
hidDeviceRecord->buttonElements[deviceRecord->numButtons].cookie = IOHIDElementGetCookie(element);
deviceRecord->numButtons++;
}
}
CFRelease(elements);
deviceRecord->axisStates = calloc(sizeof(float), deviceRecord->numAxes);
deviceRecord->buttonStates = calloc(sizeof(bool), deviceRecord->numButtons);
IOHIDDeviceRegisterInputValueCallback(device, onDeviceValueChanged, deviceRecord);
queuedEvent.deviceID = deviceRecord->deviceID;
queuedEvent.eventType = GAMEPAD_EVENT_DEVICE_ATTACHED;
queuedEvent.eventData = deviceRecord;
if (deviceEventCount >= deviceEventQueueSize) {
deviceEventQueueSize = deviceEventQueueSize == 0 ? 1 : deviceEventQueueSize * 2;
deviceEventQueue = realloc(deviceEventQueue, sizeof(struct Gamepad_queuedEvent) * deviceEventQueueSize);
}
deviceEventQueue[deviceEventCount++] = queuedEvent;
}
//int main( int argc, const char * argv[] )
int manipulate_led( int which_led, int led_value )
{
#pragma unused ( argc, argv )
IOHIDDeviceRef * tIOHIDDeviceRefs = nil;
// create a IO HID Manager reference
IOHIDManagerRef tIOHIDManagerRef = IOHIDManagerCreate( kCFAllocatorDefault, kIOHIDOptionsTypeNone );
require( tIOHIDManagerRef, Oops );
// Create a device matching dictionary
CFDictionaryRef matchingCFDictRef = hu_CreateMatchingDictionaryUsagePageUsage( TRUE,
kHIDPage_GenericDesktop,
kHIDUsage_GD_Keyboard );
require( matchingCFDictRef, Oops );
// set the HID device matching dictionary
IOHIDManagerSetDeviceMatching( tIOHIDManagerRef, matchingCFDictRef );
if ( matchingCFDictRef ) {
CFRelease( matchingCFDictRef );
}
// Now open the IO HID Manager reference
IOReturn tIOReturn = IOHIDManagerOpen( tIOHIDManagerRef, kIOHIDOptionsTypeNone );
require_noerr( tIOReturn, Oops );
// and copy out its devices
CFSetRef deviceCFSetRef = IOHIDManagerCopyDevices( tIOHIDManagerRef );
require( deviceCFSetRef, Oops );
// how many devices in the set?
CFIndex deviceIndex, deviceCount = CFSetGetCount( deviceCFSetRef );
// allocate a block of memory to extact the device ref's from the set into
tIOHIDDeviceRefs = malloc( sizeof( IOHIDDeviceRef ) * deviceCount );
if (!tIOHIDDeviceRefs) {
CFRelease(deviceCFSetRef);
deviceCFSetRef = NULL;
goto Oops;
}
// now extract the device ref's from the set
CFSetGetValues( deviceCFSetRef, (const void **) tIOHIDDeviceRefs );
CFRelease(deviceCFSetRef);
deviceCFSetRef = NULL;
// before we get into the device loop we'll setup our element matching dictionary
matchingCFDictRef = hu_CreateMatchingDictionaryUsagePageUsage( FALSE, kHIDPage_LEDs, 0 );
require( matchingCFDictRef, Oops );
int pass; // do 256 passes
//for ( pass = 0; pass < 256; pass++ ) {
Boolean delayFlag = FALSE; // if we find an LED element we'll set this to TRUE
//printf( "pass = %d.\n", pass );
for ( deviceIndex = 0; deviceIndex < deviceCount; deviceIndex++ ) {
// if this isn't a keyboard device...
if ( !IOHIDDeviceConformsTo( tIOHIDDeviceRefs[deviceIndex], kHIDPage_GenericDesktop, kHIDUsage_GD_Keyboard ) ) {
continue; // ...skip it
}
//printf( " device = %p.\n", tIOHIDDeviceRefs[deviceIndex] );
// copy all the elements
CFArrayRef elementCFArrayRef = IOHIDDeviceCopyMatchingElements( tIOHIDDeviceRefs[deviceIndex],
matchingCFDictRef,
kIOHIDOptionsTypeNone );
require( elementCFArrayRef, next_device );
// for each device on the system these values are divided by the value ranges of all LED elements found
// for example, if the first four LED element have a range of 0-1 then the four least significant bits of
// this value will be sent to these first four LED elements, etc.
int device_value = pass;
// iterate over all the elements
CFIndex elementIndex, elementCount = CFArrayGetCount( elementCFArrayRef );
for ( elementIndex = 0; elementIndex < elementCount; elementIndex++ ) {
IOHIDElementRef tIOHIDElementRef = ( IOHIDElementRef ) CFArrayGetValueAtIndex( elementCFArrayRef, elementIndex );
require( tIOHIDElementRef, next_element );
uint32_t usagePage = IOHIDElementGetUsagePage( tIOHIDElementRef );
// if this isn't an LED element...
if ( kHIDPage_LEDs != usagePage ) {
continue; // ...skip it
}
uint32_t usage = IOHIDElementGetUsage( tIOHIDElementRef );
IOHIDElementType tIOHIDElementType = IOHIDElementGetType( tIOHIDElementRef );
//printf( " element = %p (page: %d, usage: %d, type: %d ).\n",
// tIOHIDElementRef, usagePage, usage, tIOHIDElementType );
// get the logical mix/max for this LED element
CFIndex minCFIndex = IOHIDElementGetLogicalMin( tIOHIDElementRef );
CFIndex maxCFIndex = IOHIDElementGetLogicalMax( tIOHIDElementRef );
// calculate the range
CFIndex modCFIndex = maxCFIndex - minCFIndex + 1;
// compute the value for this LED element
//CFIndex tCFIndex = minCFIndex + ( device_value % modCFIndex );
CFIndex tCFIndex = led_value;
device_value /= modCFIndex;
//printf( " value = 0x%08lX.\n", tCFIndex );
uint64_t timestamp = 0; // create the IO HID Value to be sent to this LED element
IOHIDValueRef tIOHIDValueRef = IOHIDValueCreateWithIntegerValue( kCFAllocatorDefault, tIOHIDElementRef, timestamp, tCFIndex );
if ( tIOHIDValueRef ) {
// now set it on the device
tIOReturn = IOHIDDeviceSetValue( tIOHIDDeviceRefs[deviceIndex], tIOHIDElementRef, tIOHIDValueRef );
CFRelease( tIOHIDValueRef );
require_noerr( tIOReturn, next_element );
delayFlag = TRUE; // set this TRUE so we'll delay before changing our LED values again
}
next_element: ;
continue;
}
CFRelease( elementCFArrayRef );
next_device: ;
continue;
}
// if we found an LED we'll delay before continuing
//if ( delayFlag ) {
// usleep( 500000 ); // sleep one half second
//}
// if the mouse is down…
//if (GetCurrentButtonState()) {
// break; // abort pass loop
//}
//} // next pass
if ( matchingCFDictRef ) {
CFRelease( matchingCFDictRef );
}
Oops: ;
if ( tIOHIDDeviceRefs ) {
free(tIOHIDDeviceRefs);
}
if ( tIOHIDManagerRef ) {
CFRelease( tIOHIDManagerRef );
}
return 0;
} /* main */
bool JoystickImpl::open(unsigned int index)
{
m_index = index;
m_hat = NULL;
Location deviceLoc = m_locationIDs[index]; // The device we need to load
// Get all devices
CFSetRef devices = HIDJoystickManager::getInstance().copyJoysticks();
if (devices == NULL)
return false;
// Get a usable copy of the joysticks devices.
CFIndex joysticksCount = CFSetGetCount(devices);
CFTypeRef devicesArray[joysticksCount];
CFSetGetValues(devices, devicesArray);
// Get the desired joystick.
IOHIDDeviceRef self = 0;
for (CFIndex i(0); self == 0 && i < joysticksCount; ++i)
{
IOHIDDeviceRef d = (IOHIDDeviceRef)devicesArray[i];
if (deviceLoc == HIDInputManager::getLocationID(d))
self = d;
}
if (self == 0)
{
CFRelease(devices);
return false;
}
m_identification.name = getDeviceString(self, CFSTR(kIOHIDProductKey), m_index);
m_identification.vendorId = getDeviceUint(self, CFSTR(kIOHIDVendorIDKey), m_index);
m_identification.productId = getDeviceUint(self, CFSTR(kIOHIDProductIDKey), m_index);
// Get a list of all elements attached to the device.
CFArrayRef elements = IOHIDDeviceCopyMatchingElements(self, NULL, kIOHIDOptionsTypeNone);
if (elements == NULL)
{
CFRelease(devices);
return false;
}
// Go through all connected elements.
CFIndex elementsCount = CFArrayGetCount(elements);
for (int i = 0; i < elementsCount; ++i)
{
IOHIDElementRef element = (IOHIDElementRef) CFArrayGetValueAtIndex(elements, i);
switch (IOHIDElementGetUsagePage(element))
{
case kHIDPage_GenericDesktop:
switch (IOHIDElementGetUsage(element))
{
case kHIDUsage_GD_X: m_axis[Joystick::X] = element; break;
case kHIDUsage_GD_Y: m_axis[Joystick::Y] = element; break;
case kHIDUsage_GD_Z: m_axis[Joystick::Z] = element; break;
case kHIDUsage_GD_Rx: m_axis[Joystick::U] = element; break;
case kHIDUsage_GD_Ry: m_axis[Joystick::V] = element; break;
case kHIDUsage_GD_Rz: m_axis[Joystick::R] = element; break;
case kHIDUsage_GD_Hatswitch:
// From §4.3 MiscellaneousControls of HUT v1.12:
//
// > Hat Switch:
// > A typical example is four switches that are capable of generating
// > information about four possible directions in which the knob can be
// > tilted. Intermediate positions can also be decoded if the hardware
// > allows two switches to be reported simultaneously.
//
// We assume this model here as well. Hence, with 4 switches and intermediate
// positions we have 8 values (0-7) plus the "null" state (8).
{
CFIndex min = IOHIDElementGetLogicalMin(element);
CFIndex max = IOHIDElementGetLogicalMax(element);
if (min != 0 || max != 7)
{
sf::err() << std::hex
<< "Joystick (vendor/product id: 0x" << m_identification.vendorId
<< "/0x" << m_identification.productId << std::dec
<< ") range is an unexpected one: [" << min << ", " << max << "]"
<< std::endl;
}
else
{
m_hat = element;
}
}
break;
case kHIDUsage_GD_GamePad:
// We assume a game pad is an application collection, meaning it doesn't hold
// any values per say. They kind of "emit" the joystick's usages.
// See §3.4.3 Usage Types (Collection) of HUT v1.12
if (IOHIDElementGetCollectionType(element) != kIOHIDElementCollectionTypeApplication)
{
sf::err() << std::hex << "Gamepage (vendor/product id: 0x" << m_identification.vendorId
<< "/0x" << m_identification.productId << ") is not an CA but a 0x"
<< IOHIDElementGetCollectionType(element) << std::dec << std::endl;
}
break;
default:
#ifdef SFML_DEBUG
sf::err() << "Unexpected usage for element of Page Generic Desktop: 0x" << std::hex << IOHIDElementGetUsage(element) << std::dec << std::endl;
#endif
break;
}
break;
case kHIDPage_Button:
if (m_buttons.size() < Joystick::ButtonCount) // If we have free slot...
m_buttons.push_back(element); // ...we add this element to the list
// Else: too many buttons. We ignore this one.
break;
default: /* No other page is expected because of the mask applied by the HID manager. */ break;
}
}
// Ensure that the buttons will be indexed in the same order as their
// HID Usage (assigned by manufacturer and/or a driver).
std::sort(m_buttons.begin(), m_buttons.end(), JoystickButtonSortPredicate);
// Retain all these objects for personal use
for (ButtonsVector::iterator it(m_buttons.begin()); it != m_buttons.end(); ++it)
CFRetain(*it);
for (AxisMap::iterator it(m_axis.begin()); it != m_axis.end(); ++it)
CFRetain(it->second);
if (m_hat != NULL)
CFRetain(m_hat);
// Note: we didn't retain element in the switch because we might have multiple
// Axis X (for example) and we want to keep only the last one. To prevent
// leaking we retain objects 'only' now.
CFRelease(devices);
CFRelease(elements);
return true;
}
static SDL_bool
GetDeviceInfo(IOHIDDeviceRef hidDevice, recDevice *pDevice)
{
const Uint16 BUS_USB = 0x03;
const Uint16 BUS_BLUETOOTH = 0x05;
Sint32 vendor = 0;
Sint32 product = 0;
Sint32 version = 0;
CFTypeRef refCF = NULL;
CFArrayRef array = NULL;
Uint16 *guid16 = (Uint16 *)pDevice->guid.data;
/* get usage page and usage */
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDPrimaryUsagePageKey));
if (refCF) {
CFNumberGetValue(refCF, kCFNumberSInt32Type, &pDevice->usagePage);
}
if (pDevice->usagePage != kHIDPage_GenericDesktop) {
return SDL_FALSE; /* Filter device list to non-keyboard/mouse stuff */
}
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDPrimaryUsageKey));
if (refCF) {
CFNumberGetValue(refCF, kCFNumberSInt32Type, &pDevice->usage);
}
if ((pDevice->usage != kHIDUsage_GD_Joystick &&
pDevice->usage != kHIDUsage_GD_GamePad &&
pDevice->usage != kHIDUsage_GD_MultiAxisController)) {
return SDL_FALSE; /* Filter device list to non-keyboard/mouse stuff */
}
pDevice->deviceRef = hidDevice;
/* get device name */
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDProductKey));
if (!refCF) {
/* Maybe we can't get "AwesomeJoystick2000", but we can get "Logitech"? */
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDManufacturerKey));
}
if ((!refCF) || (!CFStringGetCString(refCF, pDevice->product, sizeof (pDevice->product), kCFStringEncodingUTF8))) {
SDL_strlcpy(pDevice->product, "Unidentified joystick", sizeof (pDevice->product));
}
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDVendorIDKey));
if (refCF) {
CFNumberGetValue(refCF, kCFNumberSInt32Type, &vendor);
}
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDProductIDKey));
if (refCF) {
CFNumberGetValue(refCF, kCFNumberSInt32Type, &product);
}
refCF = IOHIDDeviceGetProperty(hidDevice, CFSTR(kIOHIDVersionNumberKey));
if (refCF) {
CFNumberGetValue(refCF, kCFNumberSInt32Type, &version);
}
SDL_memset(pDevice->guid.data, 0, sizeof(pDevice->guid.data));
if (vendor && product) {
*guid16++ = SDL_SwapLE16(BUS_USB);
*guid16++ = 0;
*guid16++ = SDL_SwapLE16((Uint16)vendor);
*guid16++ = 0;
*guid16++ = SDL_SwapLE16((Uint16)product);
*guid16++ = 0;
*guid16++ = SDL_SwapLE16((Uint16)version);
*guid16++ = 0;
} else {
*guid16++ = SDL_SwapLE16(BUS_BLUETOOTH);
*guid16++ = 0;
SDL_strlcpy((char*)guid16, pDevice->product, sizeof(pDevice->guid.data) - 4);
}
array = IOHIDDeviceCopyMatchingElements(hidDevice, NULL, kIOHIDOptionsTypeNone);
if (array) {
AddHIDElements(array, pDevice);
CFRelease(array);
}
return SDL_TRUE;
}
// ----------------------------------------------------
int main(int argc,
const char * argv[]) {
#pragma unused ( argc, argv )
IOHIDManagerRef tIOHIDManagerRef = NULL;
CFSetRef deviceCFSetRef = NULL;
IOHIDDeviceRef *tIOHIDDeviceRefs = nil;
do {
tIOHIDManagerRef = IOHIDManagerCreate(kCFAllocatorDefault,
kIOHIDOptionsTypeNone);
if (!tIOHIDManagerRef) {
break;
}
IOHIDManagerSetDeviceMatching(tIOHIDManagerRef,
NULL);
IOReturn tIOReturn = IOHIDManagerOpen(tIOHIDManagerRef,
kIOHIDOptionsTypeNone);
if (noErr != tIOReturn) {
break;
}
deviceCFSetRef = IOHIDManagerCopyDevices(tIOHIDManagerRef);
if (!deviceCFSetRef) {
break;
}
CFIndex deviceIndex,
deviceCount = CFSetGetCount(deviceCFSetRef);
tIOHIDDeviceRefs = malloc(sizeof(IOHIDDeviceRef) *
deviceCount);
if (!tIOHIDDeviceRefs) {
break;
}
CFSetGetValues(deviceCFSetRef,
(const void **)tIOHIDDeviceRefs);
CFRelease(deviceCFSetRef);
deviceCFSetRef = NULL;
for (deviceIndex = 0; deviceIndex < deviceCount; deviceIndex++) {
if (!tIOHIDDeviceRefs[deviceIndex]) {
continue;
}
HIDDumpDeviceInfo(tIOHIDDeviceRefs[deviceIndex]);
#if true
// and copy all the elements
CFArrayRef elementCFArrayRef = IOHIDDeviceCopyMatchingElements(tIOHIDDeviceRefs[deviceIndex],
NULL /* matchingCFDictRef */,
kIOHIDOptionsTypeNone);
if (elementCFArrayRef) {
// iterate over all the elements
CFIndex elementIndex,
elementCount = CFArrayGetCount(elementCFArrayRef);
for (elementIndex = 0; elementIndex < elementCount; elementIndex++) {
IOHIDElementRef tIOHIDElementRef = (IOHIDElementRef)CFArrayGetValueAtIndex(elementCFArrayRef,
elementIndex);
if (tIOHIDElementRef) {
HIDDumpElementInfo(tIOHIDElementRef);
}
}
CFRelease(elementCFArrayRef);
}
#endif
}
} while (false);
if (tIOHIDDeviceRefs) {
free(tIOHIDDeviceRefs);
}
if (deviceCFSetRef) {
CFRelease(deviceCFSetRef);
deviceCFSetRef = NULL;
}
if (tIOHIDManagerRef) {
CFRelease(tIOHIDManagerRef);
}
return (0);
} // main
Boolean HIDFindDeviceAndElement(const HID_info_rec *inSearchInfo,
IOHIDDeviceRef * outFoundDevice,
IOHIDElementRef * outFoundElement) {
Boolean result = false;
IOHIDDeviceRef bestIOHIDDeviceRef = NULL;
IOHIDElementRef bestIOHIDElementRef = NULL;
int bestScore = 0;
CFIndex devIndex,
devCount = CFArrayGetCount(gDeviceCFArrayRef);
for (devIndex = 0; devIndex < devCount; devIndex++) {
int deviceScore = 1;
IOHIDDeviceRef tIOHIDDeviceRef = (IOHIDDeviceRef) CFArrayGetValueAtIndex(gDeviceCFArrayRef,
devIndex);
if (!tIOHIDDeviceRef) {
continue;
}
// match vendorID, productID (+10, +8)
if (inSearchInfo->device.vendorID) {
uint32_t vendorID = IOHIDDevice_GetVendorID(tIOHIDDeviceRef);
if (vendorID) {
if (inSearchInfo->device.vendorID == vendorID) {
deviceScore += 10;
if (inSearchInfo->device.productID) {
uint32_t productID = IOHIDDevice_GetProductID(tIOHIDDeviceRef);
if (productID) {
if (inSearchInfo->device.productID == productID) {
deviceScore += 8;
} // if (inSearchInfo->device.productID == productID)
} // if (productID)
} // if (inSearchInfo->device.productID)
} // if (inSearchInfo->device.vendorID == vendorID)
} // if vendorID
} // if search->device.vendorID
// match usagePage & usage (+9)
if (inSearchInfo->device.usagePage &&
inSearchInfo->device.usage)
{
uint32_t usagePage = IOHIDDevice_GetUsagePage(tIOHIDDeviceRef);
uint32_t usage = IOHIDDevice_GetUsage(tIOHIDDeviceRef);
if (!usagePage ||
!usage)
{
usagePage = IOHIDDevice_GetPrimaryUsagePage(tIOHIDDeviceRef);
usage = IOHIDDevice_GetPrimaryUsage(tIOHIDDeviceRef);
}
if (usagePage) {
if (inSearchInfo->device.usagePage == usagePage) {
if (usage) {
if (inSearchInfo->device.usage == usage) {
deviceScore += 9;
} // if (inSearchInfo->usage == usage)
} // if (usage)
} // if (inSearchInfo->usagePage == usagePage)
} // if (usagePage)
} // if (inSearchInfo->usagePage &&
// inSearchInfo->usage)
// match location ID (+5)
if (inSearchInfo->device.locID) {
uint32_t locID = IOHIDDevice_GetLocationID(tIOHIDDeviceRef);
if (locID) {
if (inSearchInfo->device.locID == locID) {
deviceScore += 5;
}
}
}
// iterate over all elements of this device
gElementCFArrayRef = IOHIDDeviceCopyMatchingElements(tIOHIDDeviceRef,
NULL,
0);
if (gElementCFArrayRef) {
CFIndex eleIndex,
eleCount = CFArrayGetCount(gElementCFArrayRef);
for (eleIndex = 0; eleIndex < eleCount; eleIndex++) {
IOHIDElementRef tIOHIDElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(gElementCFArrayRef,
eleIndex);
if (!tIOHIDElementRef) {
continue;
}
int score = deviceScore;
// match usage page, usage & cookie
if (inSearchInfo->element.usagePage &&
inSearchInfo->element.usage)
{
uint32_t usagePage = IOHIDElementGetUsagePage(tIOHIDElementRef);
if (inSearchInfo->element.usagePage == usagePage) {
uint32_t usage = IOHIDElementGetUsage(tIOHIDElementRef);
if (inSearchInfo->element.usage == usage) {
score += 5;
IOHIDElementCookie cookie = IOHIDElementGetCookie(tIOHIDElementRef);
if (inSearchInfo->element.cookie == cookie) {
score += 4;
} // cookies match
} else {
score = 0;
} // usages match
} else {
score = 0;
} // usage pages match
} // if (search usage page & usage)
#if LOG_SCORING
if (kHIDPage_KeyboardOrKeypad != tElementRef->usagePage) { // skip keyboards here
printf("%s: (%ld:%ld)-I-Debug, score: %ld\t",
__PRETTY_FUNCTION__,
inSearchInfo->element.usagePage,
inSearchInfo->element.usage,
score);
HIDPrintElement(tIOHIDElementRef);
}
#endif // LOG_SCORING
if (score > bestScore) {
bestIOHIDDeviceRef = tIOHIDDeviceRef;
bestIOHIDElementRef = tIOHIDElementRef;
bestScore = score;
#if LOG_SCORING
printf("%s: (%ld:%ld)-I-Debug, better score: %ld\t",
__PRETTY_FUNCTION__,
inSearchInfo->element.usagePage,
inSearchInfo->element.usage,
score);
HIDPrintElement(bestIOHIDElementRef);
#endif // LOG_SCORING
}
} // for elements...
CFRelease(gElementCFArrayRef);
gElementCFArrayRef = NULL;
} // if (gElementCFArrayRef)
} // for (devIndex = 0; devIndex < devCount;
// devIndex++)
if (bestIOHIDDeviceRef ||
bestIOHIDElementRef)
{
*outFoundDevice = bestIOHIDDeviceRef;
*outFoundElement = bestIOHIDElementRef;
#if LOG_SCORING
printf("%s: (%ld:%ld)-I-Debug, best score: %ld\t",
__PRETTY_FUNCTION__,
inSearchInfo->element.usagePage,
inSearchInfo->element.usage,
bestScore);
HIDPrintElement(bestIOHIDElementRef);
#endif // LOG_SCORING
result = true;
}
return (result);
} // HIDFindDeviceAndElement
// Get matching element from config record
// takes a pre-allocated and filled out config record
// search for matching device
// return IOHIDDeviceRef, IOHIDElementRef and cookie for action
IOHIDElementCookie HIDGetElementConfig(HID_info_ptr inHIDInfoPtr,
IOHIDDeviceRef * outIOHIDDeviceRef,
IOHIDElementRef *outIOHIDElementRef) {
if (!inHIDInfoPtr->device.locID &&
!inHIDInfoPtr->device.vendorID &&
!inHIDInfoPtr->device.productID &&
!inHIDInfoPtr->device.usage &&
!inHIDInfoPtr->device.usagePage) //
{ //
// early out
*outIOHIDDeviceRef = NULL;
*outIOHIDElementRef = NULL;
return (inHIDInfoPtr->actionCookie);
}
IOHIDDeviceRef tIOHIDDeviceRef = NULL,
foundIOHIDDeviceRef = NULL;
IOHIDElementRef tIOHIDElementRef = NULL,
foundIOHIDElementRef = NULL;
CFIndex devIdx,
devCnt,
idx,
cnt;
// compare to current device list for matches
// look for device
if (inHIDInfoPtr->device.locID &&
inHIDInfoPtr->device.vendorID &&
inHIDInfoPtr->device.productID) // look for specific
{ // device
// type plug in to same
// port
devCnt = CFArrayGetCount(gDeviceCFArrayRef);
for (devIdx = 0; devIdx < devCnt; devIdx++) {
tIOHIDDeviceRef = (IOHIDDeviceRef) CFArrayGetValueAtIndex(gDeviceCFArrayRef,
devIdx);
if (!tIOHIDDeviceRef) {
continue; // skip this device
}
uint32_t locID = IOHIDDevice_GetLocationID(tIOHIDDeviceRef);
uint32_t vendorID = IOHIDDevice_GetVendorID(tIOHIDDeviceRef);
uint32_t productID = IOHIDDevice_GetProductID(tIOHIDDeviceRef);
if ((inHIDInfoPtr->device.locID == locID) &&
(inHIDInfoPtr->device.vendorID == vendorID) &&
(inHIDInfoPtr->device.productID == productID))
{
foundIOHIDDeviceRef = tIOHIDDeviceRef;
}
if (foundIOHIDDeviceRef) {
break;
}
} // next devIdx
if (foundIOHIDDeviceRef) {
CFArrayRef elementCFArrayRef = IOHIDDeviceCopyMatchingElements(foundIOHIDDeviceRef,
NULL,
kIOHIDOptionsTypeNone);
if (elementCFArrayRef) {
cnt = CFArrayGetCount(elementCFArrayRef);
for (idx = 0; idx < cnt; idx++) {
tIOHIDElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(elementCFArrayRef,
idx);
if (!tIOHIDElementRef) {
continue; // skip this element
}
IOHIDElementCookie cookie = IOHIDElementGetCookie(tIOHIDElementRef);
if (inHIDInfoPtr->element.cookie == cookie) {
foundIOHIDElementRef = tIOHIDElementRef;
}
if (foundIOHIDElementRef) {
break;
}
}
if (!foundIOHIDElementRef) {
cnt = CFArrayGetCount(elementCFArrayRef);
for (idx = 0; idx < cnt; idx++) {
tIOHIDElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(elementCFArrayRef,
idx);
if (!tIOHIDElementRef) {
continue; // skip this element
}
uint32_t usagePage = IOHIDElementGetUsagePage(tIOHIDElementRef);
uint32_t usage = IOHIDElementGetUsage(tIOHIDElementRef);
if ((inHIDInfoPtr->element.usage == usage) &&
(inHIDInfoPtr->element.usagePage == usagePage))
{
foundIOHIDElementRef = tIOHIDElementRef;
}
if (foundIOHIDElementRef) {
break;
}
} // next idx
} // if (!foundIOHIDElementRef)
if (foundIOHIDElementRef) { // if same device
// setup the calibration
IOHIDElement_SetupCalibration(tIOHIDElementRef);
IOHIDElement_SetCalibrationSaturationMin(tIOHIDElementRef,
inHIDInfoPtr->element.minReport);
IOHIDElement_SetCalibrationSaturationMax(tIOHIDElementRef,
inHIDInfoPtr->element.maxReport);
}
CFRelease(elementCFArrayRef);
} // if (elementCFArrayRef)
} // if (foundIOHIDDeviceRef)
// if we have not found a match, look at just vendor
// and product
if ((!foundIOHIDDeviceRef) &&
(inHIDInfoPtr->device.vendorID &&
inHIDInfoPtr->device.productID))
{
devCnt = CFArrayGetCount(gDeviceCFArrayRef);
for (devIdx = 0; devIdx < devCnt; devIdx++) {
tIOHIDDeviceRef = (IOHIDDeviceRef) CFArrayGetValueAtIndex(gDeviceCFArrayRef,
devIdx);
if (!tIOHIDDeviceRef) {
continue; // skip this device
}
uint32_t vendorID = IOHIDDevice_GetVendorID(tIOHIDDeviceRef);
uint32_t productID = IOHIDDevice_GetProductID(tIOHIDDeviceRef);
if ((inHIDInfoPtr->device.vendorID == vendorID) &&
(inHIDInfoPtr->device.productID == productID))
{
foundIOHIDDeviceRef = tIOHIDDeviceRef;
}
if (foundIOHIDDeviceRef) {
break;
}
}
// match elements by cookie since same device type
if (foundIOHIDDeviceRef) {
CFArrayRef elementCFArrayRef = IOHIDDeviceCopyMatchingElements(foundIOHIDDeviceRef,
NULL,
kIOHIDOptionsTypeNone);
if (elementCFArrayRef) {
cnt = CFArrayGetCount(elementCFArrayRef);
for (idx = 0; idx < cnt; idx++) {
tIOHIDElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(elementCFArrayRef,
idx);
if (!tIOHIDElementRef) {
continue; // skip this element
}
IOHIDElementCookie cookie = IOHIDElementGetCookie(tIOHIDElementRef);
if (inHIDInfoPtr->element.cookie == cookie) {
foundIOHIDElementRef = tIOHIDElementRef;
}
if (foundIOHIDElementRef) {
break;
}
}
// if no cookie match (should NOT occur) match on usage
if (!foundIOHIDElementRef) {
cnt = CFArrayGetCount(elementCFArrayRef);
for (idx = 0; idx < cnt; idx++) {
tIOHIDElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(elementCFArrayRef,
idx);
if (!tIOHIDElementRef) {
continue; // skip this element
}
uint32_t usagePage = IOHIDElementGetUsagePage(tIOHIDElementRef);
uint32_t usage = IOHIDElementGetUsage(tIOHIDElementRef);
if ((inHIDInfoPtr->element.usage == usage) &&
(inHIDInfoPtr->element.usagePage == usagePage))
{
foundIOHIDElementRef = tIOHIDElementRef;
}
if (foundIOHIDElementRef) {
break;
}
} // next idx
} // if (!foundIOHIDElementRef)
if (foundIOHIDElementRef) { // if same device
// setup the calibration
IOHIDElement_SetupCalibration(tIOHIDElementRef);
IOHIDElement_SetCalibrationSaturationMin(tIOHIDElementRef,
inHIDInfoPtr->element.minReport);
IOHIDElement_SetCalibrationSaturationMax(tIOHIDElementRef,
inHIDInfoPtr->element.maxReport);
}
CFRelease(elementCFArrayRef);
} // if (elementCFArrayRef)
} // if (foundIOHIDDeviceRef)
} // if (device not found & vendorID & productID)
} // if (inHIDInfoPtr->locID &&
// inHIDInfoPtr->device.vendorID &&
// inHIDInfoPtr->device.productID)
// can't find matching device return NULL, do not
// return first device
if ((!foundIOHIDDeviceRef) ||
(!foundIOHIDElementRef))
{
// no HID device
*outIOHIDDeviceRef = NULL;
*outIOHIDElementRef = NULL;
return (inHIDInfoPtr->actionCookie);
} else {
// HID device
*outIOHIDDeviceRef = foundIOHIDDeviceRef;
*outIOHIDElementRef = foundIOHIDElementRef;
return (inHIDInfoPtr->actionCookie);
}
} // HIDGetElementConfig
// get the first element of device passed in as parameter
// returns NULL if no list exists or device does not exists or is NULL
IOHIDElementRef HIDGetFirstDeviceElement( IOHIDDeviceRef inIOHIDDeviceRef, HIDElementTypeMask typeMask )
{
IOHIDElementRef result = NULL;
if ( inIOHIDDeviceRef ) {
assert( IOHIDDeviceGetTypeID() == CFGetTypeID( inIOHIDDeviceRef ) );
gElementCFArrayRef = IOHIDDeviceCopyMatchingElements( inIOHIDDeviceRef, NULL, kIOHIDOptionsTypeNone );
if ( gElementCFArrayRef ) {
CFIndex idx, cnt = CFArrayGetCount( gElementCFArrayRef );
for ( idx = 0; idx < cnt; idx++ ) {
IOHIDElementRef tIOHIDElementRef = ( IOHIDElementRef ) CFArrayGetValueAtIndex( gElementCFArrayRef, idx );
if ( !tIOHIDElementRef ) {
continue;
}
IOHIDElementType type = IOHIDElementGetType( tIOHIDElementRef );
switch ( type ) {
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
case kIOHIDElementTypeInput_Axis:
case kIOHIDElementTypeInput_ScanCodes:
{
if ( typeMask & kHIDElementTypeInput ) {
result = tIOHIDElementRef;
}
break;
}
case kIOHIDElementTypeOutput:
{
if ( typeMask & kHIDElementTypeOutput ) {
result = tIOHIDElementRef;
}
break;
}
case kIOHIDElementTypeFeature:
{
if ( typeMask & kHIDElementTypeFeature ) {
result = tIOHIDElementRef;
}
break;
}
case kIOHIDElementTypeCollection:
{
if ( typeMask & kHIDElementTypeCollection ) {
result = tIOHIDElementRef;
}
break;
}
} // switch ( type )
if ( result ) {
break; // DONE!
}
} // next idx
CFRelease( gElementCFArrayRef );
gElementCFArrayRef = NULL;
} // if ( gElementCFArrayRef )
} // if ( inIOHIDDeviceRef )
return result;
} /* HIDGetFirstDeviceElement */
bool Joystick::init()
{
SYNC;
if(!p->hidManager)
{
VERIFY(p->hidManager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone));
IOHIDManagerSetDeviceMatching((IOHIDManagerRef) p->hidManager, 0);
IOHIDManagerOpen((IOHIDManagerRef) p->hidManager, kIOHIDOptionsTypeNone);
p->nextDevice = 0;
}
CFSetRef copyOfDevices = IOHIDManagerCopyDevices((IOHIDManagerRef) p->hidManager);
CFMutableArrayRef devArray = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
CFSetApplyFunction(copyOfDevices, Joystick::Private::copyCallBack, (void*) devArray);
CFRelease(copyOfDevices);
while(!p->deviceId && p->nextDevice < (unsigned) CFArrayGetCount(devArray))
{
p->deviceId = CFArrayGetValueAtIndex(devArray, p->nextDevice++);
if(p->deviceId)
{
CFArrayRef elemAry = IOHIDDeviceCopyMatchingElements((IOHIDDeviceRef) p->deviceId, 0, 0);
bool isJoystick = false;
for(int i = 0; !isJoystick && i < (int) CFArrayGetCount(elemAry); ++i)
{
IOHIDElementRef elem = (IOHIDElementRef) CFArrayGetValueAtIndex(elemAry, i);
isJoystick = IOHIDElementGetUsagePage(elem) == kHIDPage_GenericDesktop &&
(IOHIDElementGetUsage(elem) == kHIDUsage_GD_Joystick ||
IOHIDElementGetUsage(elem) == kHIDUsage_GD_GamePad);
}
if(isJoystick)
{
CFRetain((IOHIDDeviceRef) p->deviceId);
++(p->usedJoysticks);
for(int i = 0; i < (int) CFArrayGetCount(elemAry); ++i)
{
IOHIDElementRef elem = (IOHIDElementRef) CFArrayGetValueAtIndex(elemAry, i);
IOHIDElementType elemType = IOHIDElementGetType(elem);
if(elemType == kIOHIDElementTypeInput_Misc ||
elemType == kIOHIDElementTypeInput_Button ||
elemType == kIOHIDElementTypeInput_Axis ||
elemType == kIOHIDElementTypeInput_ScanCodes)
{
if(IOHIDElementGetUsagePage(elem) == kHIDPage_GenericDesktop)
switch(IOHIDElementGetUsage(elem))
{
case kHIDUsage_GD_X:
case kHIDUsage_GD_Y:
case kHIDUsage_GD_Z:
case kHIDUsage_GD_Rx:
case kHIDUsage_GD_Ry:
case kHIDUsage_GD_Rz:
{
CFRetain(elem);
int axis = IOHIDElementGetUsage(elem) - kHIDUsage_GD_X;
p->axisIds[axis] = elem;
p->axisMin[axis] = (int) IOHIDElementGetLogicalMin(elem);
p->axisMax[axis] = (int) IOHIDElementGetLogicalMax(elem);
break;
}
case kHIDUsage_GD_Hatswitch:
CFRetain(elem);
p->hatId = elem;
p->axisMin[6] = p->axisMin[7] = -1;
p->axisMax[6] = p->axisMax[7] = 1;
break;
}
else if(IOHIDElementGetUsagePage(elem) == kHIDPage_Button)
{
int button = IOHIDElementGetUsage(elem) - 1;
if(button >= 0 && button < numOfButtons)
{
CFRetain(elem);
p->buttonIds[button] = elem;
}
}
}
}
}
else
p->deviceId = 0;
CFRelease(elemAry);
}
}
CFRelease(devArray);
return p->deviceId != 0;
}
// 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
IOHIDElementRef HIDGetNextDeviceElement( IOHIDElementRef inIOHIDElementRef, HIDElementTypeMask typeMask )
{
IOHIDElementRef result = NULL;
if ( inIOHIDElementRef ) {
assert( IOHIDElementGetTypeID() == CFGetTypeID( inIOHIDElementRef ) );
IOHIDDeviceRef tIOHIDDeviceRef = IOHIDElementGetDevice( inIOHIDElementRef );
if ( tIOHIDDeviceRef ) {
Boolean found = FALSE;
gElementCFArrayRef = IOHIDDeviceCopyMatchingElements( tIOHIDDeviceRef, NULL, kIOHIDOptionsTypeNone );
if ( gElementCFArrayRef ) {
CFIndex idx, cnt = CFArrayGetCount( gElementCFArrayRef );
for ( idx = 0; idx < cnt; idx++ ) {
IOHIDElementRef tIOHIDElementRef = ( IOHIDElementRef ) CFArrayGetValueAtIndex( gElementCFArrayRef, idx );
if ( !tIOHIDElementRef ) {
continue;
}
if ( !found ) {
if ( inIOHIDElementRef == tIOHIDElementRef ) {
found = TRUE;
}
continue; // next element
} else {
// we've found the current element; now find the next one of the right type
IOHIDElementType type = IOHIDElementGetType( tIOHIDElementRef );
switch ( type ) {
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
case kIOHIDElementTypeInput_Axis:
case kIOHIDElementTypeInput_ScanCodes:
{
if ( typeMask & kHIDElementTypeInput ) {
result = tIOHIDElementRef;
}
break;
}
case kIOHIDElementTypeOutput:
{
if ( typeMask & kHIDElementTypeOutput ) {
result = tIOHIDElementRef;
}
break;
}
case kIOHIDElementTypeFeature:
{
if ( typeMask & kHIDElementTypeFeature ) {
result = tIOHIDElementRef;
}
break;
}
case kIOHIDElementTypeCollection:
{
if ( typeMask & kHIDElementTypeCollection ) {
result = tIOHIDElementRef;
}
break;
}
} // switch ( type )
if ( result ) {
break; // DONE!
}
} // if ( !found )
} // next idx
CFRelease( gElementCFArrayRef );
gElementCFArrayRef = NULL;
} // if ( gElementCFArrayRef )
} // if ( inIOHIDDeviceRef )
} // if ( inIOHIDElementRef )
return result;
} /* HIDGetNextDeviceElement */
static void __deviceCallback(void * context, IOReturn result, void * sender, IOHIDDeviceRef device)
{
boolean_t terminated = context == 0;
CFStringRef debugString = CFCopyDescription(device);
char * c_debug_string = NULL;
if( debugString ){
// DG: Bluetooth "Product" strings have Unicode encoding and no nul terminator and CFStringGetCStringPtr returns NULL
// Need to manually copy to C string
CFIndex length = CFStringGetLength(debugString);
CFIndex maxSize = CFStringGetMaximumSizeForEncoding(length, CFStringGetSystemEncoding()) + 1;
c_debug_string = (char *)malloc(maxSize);
CFStringGetCString(debugString, c_debug_string, maxSize, CFStringGetSystemEncoding());
CFRelease(debugString);
}
static CFMutableDictionaryRef s_timers = NULL;
if ( !s_timers )
s_timers = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
uint64_t uuid = 0;
CFNumberRef temp = IOHIDDeviceGetProperty( device, CFSTR(kIOHIDUniqueIDKey) );
if ( temp && CFGetTypeID(temp) == CFNumberGetTypeID() ) CFNumberGetValue( temp, kCFNumberLongLongType, &uuid );
CFNumberGetValue( IOHIDDeviceGetProperty( device, CFSTR(kIOHIDUniqueIDKey) ), kCFNumberLongLongType, &uuid );
printf("%-10.10s: %s UniqueID %llu\n", terminated ? "terminated" : "matched", c_debug_string ? c_debug_string : "", uuid );
if ( c_debug_string )
free(c_debug_string);
if ( terminated ) {
CFDictionaryRemoveValue(gOutputElements, device);
CFRunLoopTimerRef timer = (CFRunLoopTimerRef)CFDictionaryGetValue(s_timers, device);
if ( timer ) {
CFRunLoopRemoveTimer(CFRunLoopGetCurrent(), timer, kCFRunLoopCommonModes);
}
CFDictionaryRemoveValue(s_timers, device);
} else {
CFArrayRef outputElements = NULL;
CFMutableDictionaryRef matching = NULL;
if ( gPrintDescriptor ) {
CFDataRef descriptor = NULL;
descriptor = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDReportDescriptorKey));
if ( descriptor ) {
PrintHIDDescriptor(CFDataGetBytePtr(descriptor), CFDataGetLength(descriptor));
}
}
if ( gPollInterval != 0.0 ) {
CFRunLoopTimerContext context = {.info=device};
CFRunLoopTimerRef timer = CFRunLoopTimerCreate(kCFAllocatorDefault, CFAbsoluteTimeGetCurrent(), gPollInterval, 0, 0, __timerCallback, &context);
CFRunLoopAddTimer(CFRunLoopGetCurrent(), timer, kCFRunLoopCommonModes);
CFDictionaryAddValue(s_timers, device, timer);
CFRelease(timer);
printf("Adding polling timer @ %4.6f s\n", gPollInterval);
}
matching = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
if ( matching ) {
uint32_t value = kIOHIDElementTypeOutput;
CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &value);
if ( number ) {
CFDictionarySetValue(matching, CFSTR(kIOHIDElementTypeKey), number);
outputElements = IOHIDDeviceCopyMatchingElements(device, matching, 0);
if ( outputElements ) {
CFDictionarySetValue(gOutputElements, device, outputElements);
CFRelease(outputElements);
}
CFRelease(number);
}
CFRelease(matching);
}
}
void
osxHIDInputDevice::AddDevice(void *context,
IOReturn /*result*/, void */*sender*/, IOHIDDeviceRef device) {
osxHIDInputDevice *self = (osxHIDInputDevice*)context ;
URI devUri = hidDeviceURI(device) ;
// std::cerr << std::endl << self->uri.asString() << std::endl << devUri.asString() << std::endl << std::endl ;
bool match = self->theDevice==0 && (self->uri.isEmpty() || self->uri.scheme=="any" || self->uri.resemble(devUri)) ;
if (self->debugLevel>0) {
std::cerr << (match?"+ ":" ") ;
hidDebugDevice(device, std::cerr) ;
std::cerr << std::endl ;
}
if (!match) return ;
self->theDevice = new __device(device) ;
self->uri = devUri ;
CFDataRef descriptor = (CFDataRef)IOHIDDeviceGetProperty(self->theDevice->device, CFSTR(kIOHIDReportDescriptorKey)) ;
if (descriptor) {
const UInt8 *bytes = CFDataGetBytePtr(descriptor) ;
CFIndex length = CFDataGetLength(descriptor) ;
if (self->inputreport_callback && !self->parser->setDescriptor(bytes, length))
std::cerr << "osxHIDInputDevice::AddDevice: unable to parse the HID report descriptor" << std::endl;
if (self->debugLevel > 1) {
std::cerr << " HID report descriptor: [ " << std::flush ;
for (int i=0; i<length; ++i)
std::cerr << std::hex << std::setfill('0') << std::setw(2) << (int)bytes[i] << " " ;
std::cerr << "]" << std::endl ;
}
}
#if DEBUG_MODE
std::cerr << "Setting up callbacks" << std::endl ;
#endif
// ----------------------------------------------------------------
if (self->inputreport_callback) {
#if DEBUG_MODE
std::cerr << "Setting up report callback" << std::endl ;
#endif
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
IOHIDDeviceRegisterInputReportWithTimeStampCallback(device,
self->theDevice->report, sizeof(self->theDevice->report),
self->inputreport_callback, self->inputreport_context) ;
#else
IOHIDDeviceRegisterInputReportCallback(device,
self->theDevice->report, sizeof(self->theDevice->report),
self->inputreport_callback, self->inputreport_context) ;
#endif
}
// ----------------------------------------------------------------
if (self->value_callback) {
#if DEBUG_MODE
std::cerr << "Setting up value callback" << std::endl ;
#endif
IOHIDDeviceSetInputValueMatchingMultiple(device, self->elements_match) ;
IOHIDDeviceRegisterInputValueCallback(device, self->value_callback, self->value_context) ;
}
// ----------------------------------------------------------------
if (self->queue_callback) {
#if DEBUG_MODE
std::cerr << "Setting up queue callback" << std::endl ;
#endif
self->theDevice->queue = IOHIDQueueCreate(kCFAllocatorDefault, device, queueSize, kIOHIDOptionsTypeNone) ;
if (self->elements_match) {
#if DEBUG && DEBUG_MATCHING_ELEMENTS
std::cerr << "Queue, elements_match" << std::endl ;
#endif
CFIndex mcount = CFArrayGetCount(self->elements_match) ;
for (CFIndex mindex=0; mindex<mcount; ++mindex) {
CFDictionaryRef matching = (CFDictionaryRef)CFArrayGetValueAtIndex(self->elements_match, mindex) ;
CFArrayRef elements = IOHIDDeviceCopyMatchingElements(device, matching, kIOHIDOptionsTypeNone) ;
if (!elements) continue ;
CFIndex ecount = CFArrayGetCount(elements) ;
for (CFIndex eindex=0; eindex<ecount; ++eindex) {
IOHIDElementRef e = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, eindex) ;
IOHIDQueueAddElement(self->theDevice->queue, e) ;
#if DEBUG && DEBUG_MATCHING_ELEMENTS
std::cerr << "elements_match EINDEX: " << eindex
<< ", usagepage: " << IOHIDElementGetUsagePage(e)
<< ", usage: " << IOHIDElementGetUsage(e)
<< std::endl ;
#endif
}
}
} else {
#if DEBUG && DEBUG_MATCHING_ELEMENTS
std::cerr << "Queue, no elements_match" << std::endl ;
#endif
CFArrayRef elements = IOHIDDeviceCopyMatchingElements(device, 0, kIOHIDOptionsTypeNone) ;
if (elements) {
CFIndex ecount = CFArrayGetCount(elements) ;
for (CFIndex eindex=0; eindex<ecount; ++eindex) {
IOHIDElementRef e = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, eindex) ;
IOHIDQueueAddElement(self->theDevice->queue, e) ;
#if DEBUG && DEBUG_MATCHING_ELEMENTS
std::cerr << "!elements_match EINDEX: " << eindex
<< ", usagepage: " << IOHIDElementGetUsagePage(e)
<< ", usage: " << IOHIDElementGetUsage(e)
<< std::endl ;
#endif
}
}
}
IOHIDQueueRegisterValueAvailableCallback(self->theDevice->queue, self->queue_callback, self->queue_context) ;
IOHIDQueueScheduleWithRunLoop(self->theDevice->queue, CFRunLoopGetMain(), kCFRunLoopDefaultMode) ;
IOHIDQueueStart(self->theDevice->queue) ;
}
// ----------------------------------------------------------------
}
Boolean HIDConfigureAction( IOHIDDeviceRef* outIOHIDDeviceRef, IOHIDElementRef *outIOHIDElementRef, float inTimeout )
{
// param error?
if ( !outIOHIDDeviceRef || !outIOHIDElementRef ) {
return 0;
}
if ( !gDeviceCFArrayRef ) { // if we do not have a device list
// and we can't build another list
if ( !HIDBuildDeviceList( 0, 0 ) || !gDeviceCFArrayRef ) {
return FALSE; // bail
}
}
IOHIDDeviceRef tIOHIDDeviceRef;
IOHIDElementRef tIOHIDElementRef;
// remember when we start; used to calculate timeout
clock_t start = clock(), end;
// determine the maximum number of elements
CFIndex maxElements = 0;
CFIndex devIndex, devCount = CFArrayGetCount( gDeviceCFArrayRef );
for ( devIndex = 0; devIndex < devCount; devIndex++ ) {
tIOHIDDeviceRef = ( IOHIDDeviceRef ) CFArrayGetValueAtIndex( gDeviceCFArrayRef, devIndex );
if ( !tIOHIDDeviceRef ) {
continue; // skip this one
}
UInt32 count = HIDCountDeviceElements( tIOHIDDeviceRef, kHIDElementTypeInput );
if ( count > maxElements ) {
maxElements = count;
}
}
// allocate an array of int's in which to store devCount * maxElements values
double* saveValueArray = ( double * ) calloc( devCount * maxElements, sizeof( double ) ); // clear 2D array to save values
// on first pass store initial values / compare current values to initial values on subsequent passes
Boolean found = FALSE, first = TRUE;
while ( !found ) {
double maxDeltaPercent = 0; // we want to find the one that moves the most ( percentage wise )
for ( devIndex = 0; devIndex < devCount; devIndex++ ) {
IOHIDDeviceRef tIOHIDDeviceRef = ( IOHIDDeviceRef ) CFArrayGetValueAtIndex( gDeviceCFArrayRef, devIndex );
if ( !tIOHIDDeviceRef ) {
continue; // skip this one
}
#ifdef DEBUG
long vendorID = IOHIDDevice_GetVendorID( tIOHIDDeviceRef );
long productID = IOHIDDevice_GetProductID( tIOHIDDeviceRef );
#endif
gElementCFArrayRef = IOHIDDeviceCopyMatchingElements( tIOHIDDeviceRef, NULL, kIOHIDOptionsTypeNone );
if ( gElementCFArrayRef ) {
CFIndex eleIndex, eleCount = CFArrayGetCount( gElementCFArrayRef );
for ( eleIndex = 0; eleIndex < eleCount; eleIndex++ ) {
tIOHIDElementRef = ( IOHIDElementRef ) CFArrayGetValueAtIndex( gElementCFArrayRef, eleIndex );
if ( !tIOHIDElementRef ) {
continue;
}
IOHIDElementType tIOHIDElementType = IOHIDElementGetType( tIOHIDElementRef );
// only care about inputs (no outputs or features)
if ( tIOHIDElementType <= kIOHIDElementTypeInput_ScanCodes ) {
if ( IOHIDElementIsArray( tIOHIDElementRef ) ) {
//printf( "ARRAY!\n" );
continue; // skip array elements
}
uint32_t usagePage = IOHIDElementGetUsagePage( tIOHIDElementRef );
uint32_t usage = IOHIDElementGetUsage( tIOHIDElementRef );
uint32_t reportCount = IOHIDElementGetReportCount( tIOHIDElementRef );
#ifdef DEBUG
if ( first ) {
IOHIDElementCookie cookie = IOHIDElementGetCookie( tIOHIDElementRef );
printf( "%s, dev: {ref:%p, ven: 0x%08lX, pro: 0x%08lX}, ele: {ref:%p, cookie: %p, usage:%04lX:%08lX}\n",
__PRETTY_FUNCTION__,
tIOHIDDeviceRef,
vendorID,
productID,
tIOHIDElementRef,
cookie,
(long unsigned int) usagePage,
(long unsigned int) usage ); fflush( stdout );
if ( ( 0x054C == vendorID ) && ( 0x0268 == productID ) && ( 0x001E == (UInt32) cookie ) ) {
//printf( "DING!\n" );
}
}
#endif
#if 1 // work-around for IOHIDValueGetScaledValue crash (when element report count > 1)
if ( reportCount > 1 ) {
//printf( "REPORT!\n" );
continue; // skip reports
}
#endif
// ignore PID elements and arrays
if ( ( kHIDPage_PID != usagePage ) && ( -1 != usage ) ) {
// get this elements current value
double value = 0.0; // default value is zero
IOHIDValueRef tIOHIDValueRef;
IOReturn ioReturn = IOHIDDeviceGetValue( tIOHIDDeviceRef, tIOHIDElementRef, &tIOHIDValueRef );
if ( kIOReturnSuccess == ioReturn ) {
value = IOHIDValueGetScaledValue( tIOHIDValueRef, kIOHIDValueScaleTypePhysical );
}
if ( first ) {
saveValueArray[( devIndex * maxElements ) + eleIndex] = value;
} else {
double initialValue = saveValueArray[( devIndex * maxElements ) + eleIndex];
CFIndex valueMin = IOHIDElementGetPhysicalMin( tIOHIDElementRef );
CFIndex valueMax = IOHIDElementGetPhysicalMax( tIOHIDElementRef );
double deltaPercent = fabs( ( initialValue - value ) * 100.0 / (valueMax - valueMin) );
#if 0
if ( !first ) {
// Device: 0x13b6a0 = { Logitech Inc. - WingMan Force 3D, vendorID: 0x046D, productID: 0xC283, usage: 0x0001:0x0004, "Generic Desktop Joystick"
if ( ( vendorID == 0x046D ) && ( productID == 0xC283 ) ) {
if ( ( kHIDPage_GenericDesktop == usagePage ) && ( kHIDUsage_GD_Rz == usage ) ) {
printf( "initial: %6.2f, value: %6.2f, diff: %6.2f, delta percent: %6.2f!\n", initialValue, value, fabs( initialValue - value ), deltaPercent );
}
}
}
deltaPercent = 0.0;
#endif
if ( deltaPercent >= kPercentMove ) {
found = TRUE;
if ( deltaPercent > maxDeltaPercent ) {
maxDeltaPercent = deltaPercent;
*outIOHIDDeviceRef = tIOHIDDeviceRef;
*outIOHIDElementRef = tIOHIDElementRef;
}
break;
}
} // if first
} // if usage
} // if type
} // for elements...
CFRelease( gElementCFArrayRef );
gElementCFArrayRef = NULL;
} // if ( gElementCFArrayRef )
if ( found ) {
// HIDDumpElementInfo( tIOHIDElementRef );
break; // DONE!
}
} // for devices
first = FALSE; // no longer the first pass
// are we done?
end = clock();
double secs = (double)( end - start ) / CLOCKS_PER_SEC;
if ( secs > inTimeout ) {
break; // ( yes ) timeout
}
} // while ( !found )
// return device and element moved
if ( !found ) {
*outIOHIDDeviceRef = NULL;
*outIOHIDElementRef = NULL;
}
return found;
} // HIDConfigureAction
static void iohidmanager_hid_device_add(void *data, IOReturn result,
void* sender, IOHIDDeviceRef device)
{
int i;
IOReturn ret;
uint16_t dev_vid, dev_pid;
CFArrayRef elements_raw;
int count;
CFMutableArrayRef elements;
CFRange range;
bool found_axis[6] =
{ false, false, false, false, false, false };
apple_input_rec_t *tmp = NULL;
apple_input_rec_t *tmpButtons = NULL;
apple_input_rec_t *tmpAxes = NULL;
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)
hid_driver_get_data();
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)
calloc(1, sizeof(*adapter));
if (!adapter)
return;
if (!hid)
goto error;
adapter->handle = device;
ret = IOHIDDeviceOpen(device, kIOHIDOptionsTypeNone);
if (ret != kIOReturnSuccess)
goto error;
/* Move the device's run loop to this thread. */
IOHIDDeviceScheduleWithRunLoop(device, CFRunLoopGetCurrent(),
kCFRunLoopCommonModes);
IOHIDDeviceRegisterRemovalCallback(device,
iohidmanager_hid_device_remove, adapter);
#ifndef IOS
iohidmanager_hid_device_get_product_string(device, adapter->name,
sizeof(adapter->name));
#endif
dev_vid = iohidmanager_hid_device_get_vendor_id (device);
dev_pid = iohidmanager_hid_device_get_product_id (device);
adapter->slot = pad_connection_pad_init(hid->slots,
adapter->name, dev_vid, dev_pid, adapter,
&iohidmanager_hid);
if (adapter->slot == -1)
goto error;
if (pad_connection_has_interface(hid->slots, adapter->slot))
IOHIDDeviceRegisterInputReportCallback(device,
adapter->data + 1, sizeof(adapter->data) - 1,
iohidmanager_hid_device_report, adapter);
else
IOHIDDeviceRegisterInputValueCallback(device,
iohidmanager_hid_device_input_callback, adapter);
if (string_is_empty(adapter->name))
goto error;
/* scan for buttons, axis, hats */
elements_raw = IOHIDDeviceCopyMatchingElements(device, NULL, kIOHIDOptionsTypeNone);
count = (int)CFArrayGetCount(elements_raw);
elements = CFArrayCreateMutableCopy(
kCFAllocatorDefault,(CFIndex)count,elements_raw);
range = CFRangeMake(0,count);
CFArraySortValues(elements,
range, iohidmanager_sort_elements, NULL);
for (i = 0; i < count; i++)
{
IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, i);
if (!element)
continue;
IOHIDElementType type = IOHIDElementGetType(element);
uint32_t page = (uint32_t)IOHIDElementGetUsagePage(element);
uint32_t use = (uint32_t)IOHIDElementGetUsage(element);
uint32_t cookie = (uint32_t)IOHIDElementGetCookie(element);
int detected_button = 0;
switch (page)
{
case kHIDPage_GenericDesktop:
switch (type)
{
case kIOHIDElementTypeCollection:
case kIOHIDElementTypeInput_ScanCodes:
case kIOHIDElementTypeFeature:
case kIOHIDElementTypeInput_Button:
case kIOHIDElementTypeOutput:
case kIOHIDElementTypeInput_Axis:
/* TODO/FIXME */
break;
case kIOHIDElementTypeInput_Misc:
switch (use)
{
case kHIDUsage_GD_Hatswitch:
{
/* as far as I can tell, OSX only reports one Hat */
apple_input_rec_t *hat = (apple_input_rec_t *)malloc(sizeof(apple_input_rec_t));
hat->id = 0;
hat->cookie = (IOHIDElementCookie)cookie;
hat->next = NULL;
adapter->hats = hat;
}
break;
default:
{
uint32_t i = 0;
static const uint32_t axis_use_ids[6] =
{ 48, 49, 51, 52, 50, 53 };
while (i < 6 && axis_use_ids[i] != use)
i++;
if (i < 6)
{
apple_input_rec_t *axis = (apple_input_rec_t *)malloc(sizeof(apple_input_rec_t));
axis->id = i;
axis->cookie = (IOHIDElementCookie)cookie;
axis->next = NULL;
if(iohidmanager_check_for_id(adapter->axes,i))
{
/* axis ID already exists, save to tmp for appending later */
if(tmpAxes)
iohidmanager_append_record(tmpAxes, axis);
else
tmpAxes = axis;
}
else
{
found_axis[axis->id] = true;
if(adapter->axes)
iohidmanager_append_record(adapter->axes, axis);
else
adapter->axes = axis;
}
}
else
detected_button = 1;
}
break;
}
break;
}
break;
case kHIDPage_Consumer:
case kHIDPage_Button:
switch (type)
{
case kIOHIDElementTypeCollection:
case kIOHIDElementTypeFeature:
case kIOHIDElementTypeInput_ScanCodes:
case kIOHIDElementTypeInput_Axis:
case kIOHIDElementTypeOutput:
/* TODO/FIXME */
break;
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
detected_button = 1;
break;
}
break;
}
if (detected_button)
{
apple_input_rec_t *btn = (apple_input_rec_t *)malloc(sizeof(apple_input_rec_t));
btn->id = (uint32_t)use;
btn->cookie = (IOHIDElementCookie)cookie;
btn->next = NULL;
if(iohidmanager_check_for_id(adapter->buttons,btn->id))
{
if(tmpButtons)
iohidmanager_append_record_ordered(&tmpButtons, btn);
else
tmpButtons = btn;
}
else
{
if(adapter->buttons)
iohidmanager_append_record_ordered(&adapter->buttons, btn);
else
adapter->buttons = btn;
}
}
}
/* take care of buttons/axes with duplicate 'use' values */
for (i = 0; i < 6; i++)
{
if(found_axis[i] == false && tmpAxes)
{
apple_input_rec_t *next = tmpAxes->next;
tmpAxes->id = i;
tmpAxes->next = NULL;
iohidmanager_append_record(adapter->axes, tmpAxes);
tmpAxes = next;
}
}
tmp = adapter->buttons;
if (tmp)
{
while(tmp->next)
tmp = tmp->next;
}
while(tmpButtons)
{
apple_input_rec_t *next = tmpButtons->next;
tmpButtons->id = tmp->id;
tmpButtons->next = NULL;
tmp->next = tmpButtons;
tmp = tmp->next;
tmpButtons = next;
}
iohidmanager_hid_device_add_autodetect(adapter->slot,
adapter->name, iohidmanager_hid.ident, dev_vid, dev_pid);
return;
error:
{
apple_input_rec_t *tmp = NULL;
while(adapter->hats != NULL)
{
tmp = adapter->hats;
adapter->hats = adapter->hats->next;
free(tmp);
}
while(adapter->axes != NULL)
{
tmp = adapter->axes;
adapter->axes = adapter->axes->next;
free(tmp);
}
while(adapter->buttons != NULL)
{
tmp = adapter->buttons;
adapter->buttons = adapter->buttons->next;
free(tmp);
}
while(tmpAxes != NULL)
{
tmp = tmpAxes;
tmpAxes = tmpAxes->next;
free(tmp);
}
while(tmpButtons != NULL)
{
tmp = tmpButtons;
tmpButtons = tmpButtons->next;
free(tmp);
}
free(adapter);
}
}
