// NOTE: I pieced this together through trial and error, any corrections are welcome
static void hid_device_input_callback(void* context, IOReturn result, void* sender, IOHIDValueRef value)
{
struct apple_pad_connection* connection = (struct apple_pad_connection*)context;
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t type = IOHIDElementGetType(element);
uint32_t page = IOHIDElementGetUsagePage(element);
uint32_t use = IOHIDElementGetUsage(element);
// Joystick handler: TODO: Can GamePad work the same?
if (type == kIOHIDElementTypeInput_Button && page == kHIDPage_Button)
{
CFIndex state = IOHIDValueGetIntegerValue(value);
if (state) g_current_input_data.pad_buttons[connection->slot] |= (1 << (use - 1));
else g_current_input_data.pad_buttons[connection->slot] &= ~(1 << (use - 1));
}
else if (type == kIOHIDElementTypeInput_Misc && page == kHIDPage_GenericDesktop)
{
static const uint32_t axis_use_ids[4] = { 48, 49, 50, 53 };
for (int i = 0; i < 4; i ++)
{
if (use == axis_use_ids[i])
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
float val = (float)state / (float)max;
g_current_input_data.pad_axis[connection->slot][i] = ((val * 2.0f) - 1.0f) * 32767.0f;
}
}
}
}
void
osxHIDPointingDevice::hidQueueCallback(void *context, IOReturn /*result*/, void *sender) {
// std::cerr << "osxHIDPointingDevice::hidQueueCallback" << std::endl ;
osxHIDPointingDevice *self = (osxHIDPointingDevice*)context ;
IOHIDQueueRef queue = (IOHIDQueueRef)sender ;
while (true) {
IOHIDValueRef hidvalue = IOHIDQueueCopyNextValueWithTimeout(queue, 0.) ;
if (!hidvalue) break ;
#if 1
TimeStamp::inttime uptime = AbsoluteTimeInNanoseconds(IOHIDValueGetTimeStamp(hidvalue)) ;
TimeStamp::inttime timestamp = self->epoch + (uptime - self->epoch_mach)*TimeStamp::one_nanosecond ;
#else
TimeStamp::inttime timestamp = TimeStamp::createAsInt() ;
#endif
if (self->qreport.isOlderThan(timestamp)) {
// Flush the old qreport before creating a new one
self->report(self->qreport) ;
self->qreport.clear() ;
}
IOHIDElementRef element = IOHIDValueGetElement(hidvalue) ;
uint32_t usagepage = IOHIDElementGetUsagePage(element) ;
uint32_t usage = IOHIDElementGetUsage(element) ;
//std::cout << usagepage << std::endl;
//std::cout << usage << std::endl;
if (usagepage==kHIDPage_GenericDesktop) {
if (usage==kHIDUsage_GD_X || usage==kHIDUsage_GD_Y) {
// Could use IOHIDValueGetScaledValue(hidvalue, kIOHIDValueScaleTypePhysical)
CFIndex d = IOHIDValueGetIntegerValue(hidvalue) ;
//std::cout << IOHIDValueGetBytePtr(hidvalue) << std::endl;
//std::cout << IOHIDValueGetLength(hidvalue) << std::endl;
if (d) {
if (usage==kHIDUsage_GD_X) self->qreport.dx = (int32_t)d ; else self->qreport.dy = (int32_t)d ;
self->qreport.t = timestamp ;
}
}
// FIXME: GD_Z, GD_Wheel, etc.
} else if (usagepage==kHIDPage_Button) {
// kHIDUsage_Button_1 is 1
self->qreport.setButton(usage-1, (uint32_t)IOHIDValueGetIntegerValue(hidvalue)) ;
self->qreport.t = timestamp ;
}
CFRelease(hidvalue) ;
}
// Flush the qreport we were constructing, if any
if (self->qreport.t!=TimeStamp::undef)
self->report(self->qreport) ;
self->qreport.clear() ;
}
static SDL_bool
GetHIDElementState(recDevice *pDevice, recElement *pElement, SInt32 *pValue)
{
SInt32 value = 0;
int returnValue = SDL_FALSE;
if (pDevice && pElement) {
IOHIDValueRef valueRef;
if (IOHIDDeviceGetValue(pDevice->deviceRef, pElement->elementRef, &valueRef) == kIOReturnSuccess) {
value = (SInt32) IOHIDValueGetIntegerValue(valueRef);
/* record min and max for auto calibration */
if (value < pElement->minReport) {
pElement->minReport = value;
}
if (value > pElement->maxReport) {
pElement->maxReport = value;
}
*pValue = value;
returnValue = SDL_TRUE;
}
}
return returnValue;
}
void analog_event(IOReturn result, IOHIDElementRef element, IOHIDValueRef value) {
int int_value = IOHIDValueGetIntegerValue(value);
uint16_t usage = IOHIDElementGetUsage(element);
switch (usage) {
case kHIDUsage_GD_X:
case kHIDUsage_GD_Y:
case kHIDUsage_GD_Rx:
case kHIDUsage_GD_Ry:
{
int min = IOHIDElementGetLogicalMin(element);
int max = IOHIDElementGetLogicalMax(element);
double double_value = int_value;
if (int_value < 0) {
double_value = -(double_value / min);
} else {
double_value = (double_value / max);
}
usage -= kHIDUsage_GD_X;
gamepad[usage] = double_value;
static const int x_component[] = {0, 0, -1, 3, 3, -1};
double x = gamepad[x_component[usage]];
double y = gamepad[x_component[usage] + 1];
enqueue(new GamepadStickEvent(
now_usecs(), kHIDUsage_GD_X + x_component[usage], x, y));
}
break;
case kHIDUsage_GD_Z:
case kHIDUsage_GD_Rz:
button_event(result, element, value);
break;
}
}
static void input_callback(void *ctx, IOReturn result, void *sender, IOHIDValueRef value)
{
struct osx_mouse_data *mdata = static_cast<struct osx_mouse_data *>(ctx);
IOHIDElementRef elem = IOHIDValueGetElement(value);
uint32_t page = IOHIDElementGetUsagePage(elem);
uint32_t usage = IOHIDElementGetUsage(elem);
uint32_t val = IOHIDValueGetIntegerValue(value);
if (page == kHIDPage_GenericDesktop) {
switch (usage) {
case kHIDUsage_GD_X:
SDL_LockMutex(mdata->mouse_mutex);
mdata->mouse_x += val;
SDL_UnlockMutex(mdata->mouse_mutex);
break;
case kHIDUsage_GD_Y:
SDL_LockMutex(mdata->mouse_mutex);
mdata->mouse_y += val;
SDL_UnlockMutex(mdata->mouse_mutex);
break;
default:
break;
}
}
}
bool Joystick::update()
{
if(!p->deviceId)
return false;
IOHIDValueRef valueRef;
for(int i = 0; i < numOfAxes; ++i)
if(p->axisIds[i])
{
IOHIDDeviceGetValue((IOHIDDeviceRef) p->deviceId, (IOHIDElementRef) p->axisIds[i], &valueRef);
p->axisState[i] = (int) IOHIDValueGetIntegerValue(valueRef);
}
unsigned newState = 0;
for(int i = 0; i < numOfButtons; ++i)
if(p->buttonIds[i])
{
IOHIDDeviceGetValue((IOHIDDeviceRef) p->deviceId, (IOHIDElementRef) p->buttonIds[i], &valueRef);
newState |= IOHIDValueGetIntegerValue(valueRef) ? 1 << i : 0;
}
p->buttonEvents[0] |= p->buttonState[0] ^ newState;
p->buttonState[0] = newState;
if(p->hatId)
{
IOHIDDeviceGetValue((IOHIDDeviceRef) p->deviceId, (IOHIDElementRef) p->hatId, &valueRef);
int dir = (int) IOHIDValueGetIntegerValue(valueRef);
newState = !(dir & 8) ? 1 << dir : 0;
p->buttonEvents[1] |= p->buttonState[1] ^ newState;
p->buttonState[1] = newState;
p->axisState[6] = p->axisState[7] = 0;
if(!(dir & 8))
{
if(dir == 7 || dir <= 1)
p->axisState[7] = p->axisMin[7];
else if(dir >= 3 && dir <= 5)
p->axisState[7] = p->axisMax[7];
if(dir >= 1 && dir <= 3)
p->axisState[6] = p->axisMax[6];
else if(dir >= 5 && dir <= 7)
p->axisState[6] = p->axisMin[6];
}
}
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");
}
void button_event(IOReturn result, IOHIDElementRef element, IOHIDValueRef value) {
if (!antares_is_active()) {
return;
}
bool down = IOHIDValueGetIntegerValue(value);
uint16_t usage = IOHIDElementGetUsage(element);
if (down) {
enqueue(new GamepadButtonDownEvent(now_usecs(), usage));
} else {
enqueue(new GamepadButtonUpEvent(now_usecs(), usage));
}
}
void CPH_HidMacOSX::InputValueCallback(IOHIDValueRef valueRef)
{
IOHIDElementRef elementRef = IOHIDValueGetElement(valueRef);
uint32 usage = IOHIDElementGetUsage(elementRef);
uint32 usagePage = IOHIDElementGetUsagePage(elementRef);
CFIndex state = IOHIDValueGetIntegerValue(valueRef);
if(usagePage != kHIDPage_KeyboardOrKeypad) return;
for(auto bindingIterator(std::begin(m_bindings));
bindingIterator != std::end(m_bindings); bindingIterator++)
{
const auto& binding = (*bindingIterator);
if(!binding) continue;
binding->ProcessEvent(usage, state);
}
}
HIDInputType HIDGamepad::valueChanged(IOHIDValueRef value)
{
IOHIDElementCookie cookie = IOHIDElementGetCookie(IOHIDValueGetElement(value));
HIDGamepadElement* element = m_elementMap.get(cookie);
// This might be an element we don't currently handle as input so we can skip it.
if (!element)
return HIDInputType::NotAButtonPress;
element->rawValue = IOHIDValueGetScaledValue(value, kIOHIDValueScaleTypePhysical);
if (element->isButton()) {
for (unsigned i = 0; i < m_buttons.size(); ++i) {
if (&m_buttons[i].get() == element) {
m_buttonValues[i] = element->normalizedValue();
break;
}
}
} else if (element->isAxis()) {
for (unsigned i = 0; i < m_axes.size(); ++i) {
if (&m_axes[i].get() == element) {
m_axisValues[i] = element->normalizedValue();
break;
}
}
} else if (element->isDPad()) {
int intValue = IOHIDValueGetIntegerValue(value) - element->min;
for (unsigned i = 0; i < m_dPads.size(); ++i) {
if (&m_dPads[i].get() != element)
continue;
// Each DPad represents 4 button values which are tacked on to the end of the values from non-DPad buttons.
unsigned firstButtonValue = m_buttons.size() + i * 4;
ASSERT(m_buttonValues.size() > firstButtonValue + 3);
fillInButtonValues(intValue, m_buttonValues[firstButtonValue], m_buttonValues[firstButtonValue + 1], m_buttonValues[firstButtonValue + 2], m_buttonValues[firstButtonValue + 3]);
}
} else
ASSERT_NOT_REACHED();
m_lastUpdateTime = monotonicallyIncreasingTime();
return element->isButton() ? HIDInputType::ButtonPress : HIDInputType::NotAButtonPress;
}
void key_event(IOReturn result, IOHIDElementRef element, IOHIDValueRef value) {
if (!antares_is_active()) {
return;
}
bool down = IOHIDValueGetIntegerValue(value);
uint16_t scan_code = IOHIDElementGetUsage(element);
if ((scan_code < 4) || (231 < scan_code)) {
return;
} else if (scan_code == Keys::CAPS_LOCK) {
return;
}
if (down) {
enqueue(new KeyDownEvent(now_usecs(), scan_code));
} else {
enqueue(new KeyUpEvent(now_usecs(), scan_code));
}
}
float GamepadManager::mapAnalogAxis(IOHIDValueRef value, IOHIDElementRef element)
{
CFIndex val = IOHIDValueGetIntegerValue(value);
CFIndex min = IOHIDElementGetLogicalMin(element);
CFIndex max = IOHIDElementGetLogicalMax(element);
float v = (float) (val - min) / (float) (max - min);
v = v * 2.0f - 1.0f;
// Dead zone.
if (v < 0.1f && v > -0.1f)
{
v = 0.0f;
}
return v;
}
int joypad::get_hid_element_state(rec_element *p_element) const {
int value = 0;
if (p_element && p_element->ref) {
IOHIDValueRef valueRef;
if (IOHIDDeviceGetValue(device_ref, p_element->ref, &valueRef) == kIOReturnSuccess) {
value = (SInt32)IOHIDValueGetIntegerValue(valueRef);
/* record min and max for auto calibration */
if (value < p_element->min) {
p_element->min = value;
}
if (value > p_element->max) {
p_element->max = value;
}
}
}
return value;
}
int joy_hidlib_get_value(joy_hid_device_t *device,
joy_hid_element_t *element,
int *value, int phys)
{
IOHIDValueRef value_ref;
IOReturn result = IOHIDDeviceGetValue( device->internal_device,
element->internal_element,
&value_ref );
if(result == kIOReturnSuccess) {
if(phys) {
*value = (int)IOHIDValueGetScaledValue( value_ref, kIOHIDValueScaleTypePhysical );
} else {
*value = (int)IOHIDValueGetIntegerValue( value_ref );
}
return 0;
} else {
return -1;
}
}
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;
}
}
}
void CInputProviderMacOsHid::InputValueCallback(DEVICE_INFO* deviceInfo, IOReturn result, void* sender, IOHIDValueRef valueRef)
{
if(!OnInput) return;
IOHIDElementRef elementRef = IOHIDValueGetElement(valueRef);
uint32 usagePage = IOHIDElementGetUsagePage(elementRef);
if(
(usagePage != kHIDPage_GenericDesktop) &&
(usagePage != kHIDPage_Button))
{
return;
}
uint32 usage = IOHIDElementGetUsage(elementRef);
CFIndex value = IOHIDValueGetIntegerValue(valueRef);
IOHIDElementType type = IOHIDElementGetType(elementRef);
BINDINGTARGET tgt;
tgt.providerId = PROVIDER_ID;
tgt.deviceId = deviceInfo->deviceId;
tgt.keyId = usage;
tgt.keyType = GetKeyType(usage, type);
OnInput(tgt, value);
}
static void PsychHIDKbQueueCallbackFunction(void *target, IOReturn result, void *sender)
{
// This routine is executed each time the queue transitions from empty to non-empty
// The CFRunLoop of the thread in KbQueueWorkerThreadMain() is the one that executes here:
IOHIDQueueRef queue = (IOHIDQueueRef) sender;
IOHIDValueRef valueRef = NULL;
int deviceIndex = (int) target;
double timestamp;
int eventValue;
long keysUsage = -1;
PsychHIDEventRecord evt;
result=kIOReturnError;
if (!queue) return; // Nothing we can do because we can't access queue, (shouldn't happen)
while (1) {
// This function only gets called when queue transitions from empty to non-empty
// Therefore, we must process all available events in this while loop before
// it will be possible for this function to be notified again.
if (valueRef) {
CFRelease(valueRef);
valueRef = NULL;
}
// Dequeue next event from queue in a polling non-blocking fashion:
valueRef = IOHIDQueueCopyNextValueWithTimeout(queue, 0.0);
// Done? Exit, if so:
if (!valueRef) break;
// Get event value, e.g., the key state of a key or button 1 = pressed, 0 = released:
eventValue = IOHIDValueGetIntegerValue(valueRef);
// Get usage value, ie., the identity of the key:
IOHIDElementRef element = IOHIDValueGetElement(valueRef);
keysUsage = IOHIDElementGetUsage(element);
// Get double GetSecs timestamp, computed from returned uint64 nanoseconds timestamp:
timestamp = convertTime(IOHIDValueGetTimeStamp(valueRef));
// Don't bother with keysUsage of 0 (meaningless) or 1 (ErrorRollOver) for keyboards:
if ((queueIsAKeyboard[deviceIndex]) && (keysUsage <= 1)) continue;
// Clear ringbuffer event:
memset(&evt, 0 , sizeof(evt));
// Cooked key code defaults to "unhandled", and stays that way for anything but keyboards:
evt.cookedEventCode = -1;
// For real keyboards we can compute cooked key codes: Requires OSX 10.5 or later.
if (queueIsAKeyboard[deviceIndex]) {
// Keyboard(ish) device. We can handle this under some conditions.
// Init to a default of handled, but unmappable/ignored keycode:
evt.cookedEventCode = 0;
// Keypress event code available in mapping table?
if (keysUsage < kHID2VKCSize) {
// Yes: We try to map this to a character code:
// Step 1: Map HID usage value to virtual keycode via LUT:
uint16_t vcKey = kHID2VKC[keysUsage];
// Keep track of SHIFT keys as modifier keys: Bits 0 == Command, 1 == Shift, 2 == CapsLock, 3 == Alt/Option, 4 == CTRL
if ((vcKey == kVKC_Shift || vcKey == kVKC_rShift) && (eventValue != 0)) modifierKeyState[deviceIndex] |= (1 << 1);
if ((vcKey == kVKC_Shift || vcKey == kVKC_rShift) && (eventValue == 0)) modifierKeyState[deviceIndex] &= ~(1 << 1);
// Keep track of ALT keys as modifier keys:
if ((vcKey == kVKC_Option || vcKey == kVKC_rOption) && (eventValue != 0)) modifierKeyState[deviceIndex] |= (1 << 3);
if ((vcKey == kVKC_Option || vcKey == kVKC_rOption) && (eventValue == 0)) modifierKeyState[deviceIndex] &= ~(1 << 3);
// Keep track of CTRL keys as modifier keys:
if ((vcKey == kVKC_Control || vcKey == kVKC_rControl) && (eventValue != 0)) modifierKeyState[deviceIndex] |= (1 << 4);
if ((vcKey == kVKC_Control || vcKey == kVKC_rControl) && (eventValue == 0)) modifierKeyState[deviceIndex] &= ~(1 << 4);
// Was this a CTRL + C interrupt request?
if ((eventValue != 0) && (vcKey == 0x08) && (modifierKeyState[deviceIndex] & (1 << 4))) {
// Yes: Tell the console input helper about it, so it can send interrupt
// signals to the runtime and reenable keyboard input if appropriate:
// Note: Not sure if the mutex exclusion is needed here, but better safe than sorry.
PsychLockMutex(&KbQueueMutex);
ConsoleInputHelper(-1);
PsychUnlockMutex(&KbQueueMutex);
}
// Key press?
if (eventValue != 0) {
// Step 2: Translate virtual key code into unicode char:
// Ok, this is the usual horrifying complexity of Apple's system. We use code
// snippets found on StackOverflow, modified to suit our needs, e.g., we track
// modifier keys manually, at least left and right ALT and SHIFT keys. We don't
// care about other modifiers.
TISInputSourceRef currentKeyboard = TISCopyCurrentKeyboardInputSource();
CFDataRef uchr = (CFDataRef) ((currentKeyboard) ? TISGetInputSourceProperty(currentKeyboard, kTISPropertyUnicodeKeyLayoutData) : NULL);
const UCKeyboardLayout *keyboardLayout = (const UCKeyboardLayout*) ((uchr) ? CFDataGetBytePtr(uchr) : NULL);
if (keyboardLayout) {
UInt32 deadKeyState = 0;
UniCharCount maxStringLength = 255;
UniCharCount actualStringLength = 0;
UniChar unicodeString[maxStringLength];
OSStatus status = UCKeyTranslate(keyboardLayout,
vcKey, kUCKeyActionDown, modifierKeyState[deviceIndex],
LMGetKbdType(), 0,
&deadKeyState,
maxStringLength,
&actualStringLength, unicodeString);
if ((actualStringLength == 0) && deadKeyState) {
status = UCKeyTranslate(keyboardLayout,
kVK_Space, kUCKeyActionDown, 0,
LMGetKbdType(), 0,
&deadKeyState,
maxStringLength,
&actualStringLength, unicodeString);
}
if((actualStringLength > 0) && (status == noErr)) {
// Assign final cooked / mapped keycode:
evt.cookedEventCode = (int) unicodeString[0];
// Send same keystroke character to console input helper.
// In kbqueue-based ListenChar(1) mode, the helper will
// inject/forward the character into the runtime:
// Note: ConsoleInputHelper() should be safe to call without
// mutex protection for >= 0 event codes.
ConsoleInputHelper(evt.cookedEventCode);
}
}
}
}
}
PsychLockMutex(&KbQueueMutex);
// Update records of first and latest key presses and releases
if (eventValue != 0) {
if (psychHIDKbQueueFirstPress[deviceIndex]) {
// First key press timestamp:
if (psychHIDKbQueueFirstPress[deviceIndex][keysUsage-1] == 0) {
psychHIDKbQueueFirstPress[deviceIndex][keysUsage-1] = timestamp;
}
}
if (psychHIDKbQueueLastPress[deviceIndex]) {
// Last key press timestamp:
psychHIDKbQueueLastPress[deviceIndex][keysUsage-1] = timestamp;
}
evt.status |= (1 << 0);
}
else {
if (psychHIDKbQueueFirstRelease[deviceIndex]) {
// First key release timestamp:
if (psychHIDKbQueueFirstRelease[deviceIndex][keysUsage-1] == 0) psychHIDKbQueueFirstRelease[deviceIndex][keysUsage-1] = timestamp;
}
if (psychHIDKbQueueLastRelease[deviceIndex]) {
// Last key release timestamp:
psychHIDKbQueueLastRelease[deviceIndex][keysUsage-1] = timestamp;
}
evt.status &= ~(1 << 0);
}
// Update event buffer:
evt.timestamp = timestamp;
evt.rawEventCode = keysUsage;
PsychHIDAddEventToEventBuffer(deviceIndex, &evt);
// Tell waiting userspace (under KbQueueMutxex protection for better scheduling) something interesting has changed:
PsychSignalCondition(&KbQueueCondition);
PsychUnlockMutex(&KbQueueMutex);
// Next while loop iteration to dequeue potentially more events:
}
// Done for this queue transition. Return to runloop.
}
static void onDeviceValueChanged(void * context, IOReturn result, void * sender, IOHIDValueRef value) {
struct Gamepad_device * deviceRecord;
struct Gamepad_devicePrivate * hidDeviceRecord;
IOHIDElementRef element;
IOHIDElementCookie cookie;
unsigned int axisIndex, buttonIndex;
static mach_timebase_info_data_t timebaseInfo;
if (timebaseInfo.denom == 0) {
mach_timebase_info(&timebaseInfo);
}
deviceRecord = context;
hidDeviceRecord = deviceRecord->privateData;
element = IOHIDValueGetElement(value);
cookie = IOHIDElementGetCookie(element);
for (axisIndex = 0; axisIndex < deviceRecord->numAxes; axisIndex++) {
if (!hidDeviceRecord->axisElements[axisIndex].isHatSwitchSecondAxis &&
hidDeviceRecord->axisElements[axisIndex].cookie == cookie) {
CFIndex integerValue;
if (IOHIDValueGetLength(value) > 4) {
// Workaround for a strange crash that occurs with PS3 controller; was getting lengths of 39 (!)
continue;
}
integerValue = IOHIDValueGetIntegerValue(value);
if (hidDeviceRecord->axisElements[axisIndex].isHatSwitch) {
int x, y;
// Fix for Saitek X52
if (!hidDeviceRecord->axisElements[axisIndex].hasNullState) {
if (integerValue < hidDeviceRecord->axisElements[axisIndex].logicalMin) {
integerValue = hidDeviceRecord->axisElements[axisIndex].logicalMax - hidDeviceRecord->axisElements[axisIndex].logicalMin + 1;
} else {
integerValue--;
}
}
hatValueToXY(integerValue, hidDeviceRecord->axisElements[axisIndex].logicalMax - hidDeviceRecord->axisElements[axisIndex].logicalMin + 1, &x, &y);
if (x != deviceRecord->axisStates[axisIndex]) {
queueAxisEvent(deviceRecord,
IOHIDValueGetTimeStamp(value) * timebaseInfo.numer / timebaseInfo.denom * 0.000000001,
axisIndex,
x,
deviceRecord->axisStates[axisIndex]);
deviceRecord->axisStates[axisIndex] = x;
}
if (y != deviceRecord->axisStates[axisIndex + 1]) {
queueAxisEvent(deviceRecord,
IOHIDValueGetTimeStamp(value) * timebaseInfo.numer / timebaseInfo.denom * 0.000000001,
axisIndex + 1,
y,
deviceRecord->axisStates[axisIndex + 1]);
deviceRecord->axisStates[axisIndex + 1] = y;
}
} else {
float floatValue;
if (integerValue < hidDeviceRecord->axisElements[axisIndex].logicalMin) {
hidDeviceRecord->axisElements[axisIndex].logicalMin = integerValue;
}
if (integerValue > hidDeviceRecord->axisElements[axisIndex].logicalMax) {
hidDeviceRecord->axisElements[axisIndex].logicalMax = integerValue;
}
floatValue = (integerValue - hidDeviceRecord->axisElements[axisIndex].logicalMin) / (float) (hidDeviceRecord->axisElements[axisIndex].logicalMax - hidDeviceRecord->axisElements[axisIndex].logicalMin) * 2.0f - 1.0f;
queueAxisEvent(deviceRecord,
IOHIDValueGetTimeStamp(value) * timebaseInfo.numer / timebaseInfo.denom * 0.000000001,
axisIndex,
floatValue,
deviceRecord->axisStates[axisIndex]);
deviceRecord->axisStates[axisIndex] = floatValue;
}
return;
}
}
for (buttonIndex = 0; buttonIndex < deviceRecord->numButtons; buttonIndex++) {
if (hidDeviceRecord->buttonElements[buttonIndex].cookie == cookie) {
bool down;
down = IOHIDValueGetIntegerValue(value);
queueButtonEvent(deviceRecord,
IOHIDValueGetTimeStamp(value) * timebaseInfo.numer / timebaseInfo.denom * 0.000000001,
buttonIndex,
down);
deviceRecord->buttonStates[buttonIndex] = down;
return;
}
}
}
static void input_callback(void *context, IOReturn result, void *sender, IOHIDValueRef value)
{
struct input_data *input = (struct input_data*)context;
IOHIDElementRef elem = IOHIDValueGetElement(value);
uint32_t page = IOHIDElementGetUsagePage(elem);
uint32_t usage = IOHIDElementGetUsage(elem);
uint32_t val = IOHIDValueGetIntegerValue(value);
if (page == kHIDPage_GenericDesktop)
{
if (input->ignore_mouse)
{
return;
}
switch (usage)
{
case kHIDUsage_GD_X:
pthread_mutex_lock(&input->mouse_mutex);
input->mouse_x += val;
pthread_mutex_unlock(&input->mouse_mutex);
break;
case kHIDUsage_GD_Y:
pthread_mutex_lock(&input->mouse_mutex);
input->mouse_y += val;
pthread_mutex_unlock(&input->mouse_mutex);
break;
case kHIDUsage_GD_Wheel:
if ((int32_t)val > 0)
{
add_to_event_queue(input, K_MWHEELUP, true);
add_to_event_queue(input, K_MWHEELUP, false);
}
else if ((int32_t)val < 0)
{
add_to_event_queue(input, K_MWHEELDOWN, true);
add_to_event_queue(input, K_MWHEELDOWN, false);
}
break;
default:
break;
}
}
else if (page == kHIDPage_Button)
{
if (input->ignore_mouse)
{
return;
}
if (usage < 1 || usage > 10)
{
usage = 10;
}
add_to_event_queue(input, K_MOUSE1 + usage - 1, val ? true : false);
}
else if (page == kHIDPage_KeyboardOrKeypad)
{
if (usage == kHIDUsage_KeyboardLeftGUI)
{
input->left_cmd_key_active = val ? true : false;
}
else if (usage == kHIDUsage_KeyboardRightGUI)
{
input->right_cmd_key_active = val ? true : false;
}
if (usage < sizeof(keytable) && (input->left_cmd_key_active || input->right_cmd_key_active))
{
if (keytable[usage] == 'c' && val)
{
add_to_event_queue(input, K_COPY, true);
add_to_event_queue(input, K_COPY, false);
}
else if (keytable[usage] == 'v' && val)
{
add_to_event_queue(input, K_PASTE, true);
add_to_event_queue(input, K_PASTE, false);
}
return;
}
if (usage < sizeof(keytable))
{
add_to_event_queue(input, keytable[usage], val ? true : false);
pthread_mutex_lock(&input->key_mutex);
if (val)
{
input->repeatkey = keytable[usage];
input->nextrepeattime = Sys_IntTime() + input->key_repeat_initial_delay;
}
else
{
input->repeatkey = 0;
input->nextrepeattime = 0;
}
pthread_mutex_unlock(&input->key_mutex);
}
}
else if (page == 0xFF)
{
if (usage == kHIDUsage_KeyboardErrorUndefined)
{
input->fn_key_active = val ? true : false;
}
}
}
JoystickState JoystickImpl::update()
{
static const JoystickState disconnectedState; // return this if joystick was disconnected
JoystickState state; // otherwise return that
state.connected = true;
// Note: free up is done in close() which is called, if required,
// by the joystick manager. So we don't release buttons nor axes here.
// First, let's determine if the joystick is still connected
Location selfLoc = m_locationIDs[m_index];
// Get all devices
CFSetRef devices = HIDJoystickManager::getInstance().copyJoysticks();
if (devices == NULL)
return disconnectedState;
// Get a usable copy of the joysticks devices.
CFIndex joysticksCount = CFSetGetCount(devices);
CFTypeRef devicesArray[joysticksCount];
CFSetGetValues(devices, devicesArray);
// Search for it
bool found = false;
for (CFIndex i(0); i < joysticksCount; ++i)
{
IOHIDDeviceRef d = (IOHIDDeviceRef)devicesArray[i];
if (selfLoc == HIDInputManager::getLocationID(d))
{
found = true;
break; // Stop looping
}
}
// Release unused stuff
CFRelease(devices);
// If not found we consider it disconnected
if (!found)
return disconnectedState;
// Update buttons' state
unsigned int i = 0;
for (ButtonsVector::iterator it(m_buttons.begin()); it != m_buttons.end(); ++it, ++i)
{
IOHIDValueRef value = 0;
IOHIDDeviceGetValue(IOHIDElementGetDevice(*it), *it, &value);
// Check for plug out.
if (!value)
{
// No value? Hum... Seems like the joystick is gone
return disconnectedState;
}
// 1 means pressed, others mean released
state.buttons[i] = IOHIDValueGetIntegerValue(value) == 1;
}
// Update axes' state
for (AxisMap::iterator it = m_axis.begin(); it != m_axis.end(); ++it)
{
IOHIDValueRef value = 0;
IOHIDDeviceGetValue(IOHIDElementGetDevice(it->second), it->second, &value);
// Check for plug out.
if (!value)
{
// No value? Hum... Seems like the joystick is gone
return disconnectedState;
}
// We want to bind [physicalMin,physicalMax] to [-100=min,100=max].
//
// General formula to bind [a,b] to [c,d] with a linear progression:
//
// f: [a, b] -> [c, d]
// x |-> (x-a)(d-c)/(b-a)+c
//
// This method might not be very accurate (the "0 position" can be
// slightly shift with some device) but we don't care because most
// of devices are so sensitive that this is not relevant.
double physicalMax = IOHIDElementGetPhysicalMax(it->second);
double physicalMin = IOHIDElementGetPhysicalMin(it->second);
double scaledMin = -100;
double scaledMax = 100;
double physicalValue = IOHIDValueGetScaledValue(value, kIOHIDValueScaleTypePhysical);
float scaledValue = (((physicalValue - physicalMin) * (scaledMax - scaledMin)) / (physicalMax - physicalMin)) + scaledMin;
state.axes[it->first] = scaledValue;
}
return state;
}
static void poll_osx_device_state(LPDIRECTINPUTDEVICE8A iface)
{
JoystickImpl *device = impl_from_IDirectInputDevice8A(iface);
IOHIDElementRef tIOHIDTopElementRef;
IOHIDDeviceRef tIOHIDDeviceRef;
CFArrayRef gElementCFArrayRef = device->elementCFArrayRef;
TRACE("polling device %i\n",device->id);
if (!gCollections)
return;
tIOHIDTopElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(gCollections, device->id);
tIOHIDDeviceRef = IOHIDElementGetDevice(tIOHIDTopElementRef);
if (!tIOHIDDeviceRef)
return;
if (gElementCFArrayRef)
{
int button_idx = 0;
int pov_idx = 0;
int slider_idx = 0;
int inst_id;
CFIndex idx, cnt = CFArrayGetCount( gElementCFArrayRef );
for ( idx = 0; idx < cnt; idx++ )
{
IOHIDValueRef valueRef;
int val, oldVal, newVal;
IOHIDElementRef tIOHIDElementRef = ( IOHIDElementRef ) CFArrayGetValueAtIndex( gElementCFArrayRef, idx );
int eleType = IOHIDElementGetType( tIOHIDElementRef );
switch(eleType)
{
case kIOHIDElementTypeInput_Button:
if(button_idx < 128)
{
IOHIDDeviceGetValue(tIOHIDDeviceRef, tIOHIDElementRef, &valueRef);
val = IOHIDValueGetIntegerValue(valueRef);
newVal = val ? 0x80 : 0x0;
oldVal = device->generic.js.rgbButtons[button_idx];
device->generic.js.rgbButtons[button_idx] = newVal;
if (oldVal != newVal)
{
inst_id = DIDFT_MAKEINSTANCE(button_idx) | DIDFT_PSHBUTTON;
queue_event(iface,inst_id,newVal,GetCurrentTime(),device->generic.base.dinput->evsequence++);
}
button_idx ++;
}
break;
case kIOHIDElementTypeInput_Misc:
{
uint32_t usage = IOHIDElementGetUsage( tIOHIDElementRef );
switch(usage)
{
case kHIDUsage_GD_Hatswitch:
{
IOHIDDeviceGetValue(tIOHIDDeviceRef, tIOHIDElementRef, &valueRef);
val = IOHIDValueGetIntegerValue(valueRef);
oldVal = device->generic.js.rgdwPOV[pov_idx];
if (val >= 8)
newVal = -1;
else
newVal = val * 4500;
device->generic.js.rgdwPOV[pov_idx] = newVal;
if (oldVal != newVal)
{
inst_id = DIDFT_MAKEINSTANCE(pov_idx) | DIDFT_POV;
queue_event(iface,inst_id,newVal,GetCurrentTime(),device->generic.base.dinput->evsequence++);
}
pov_idx ++;
break;
}
case kHIDUsage_GD_X:
case kHIDUsage_GD_Y:
case kHIDUsage_GD_Z:
case kHIDUsage_GD_Rx:
case kHIDUsage_GD_Ry:
case kHIDUsage_GD_Rz:
case kHIDUsage_GD_Slider:
{
int wine_obj = -1;
IOHIDDeviceGetValue(tIOHIDDeviceRef, tIOHIDElementRef, &valueRef);
val = IOHIDValueGetIntegerValue(valueRef);
newVal = joystick_map_axis(&device->generic.props[idx], val);
switch (usage)
{
case kHIDUsage_GD_X:
wine_obj = 0;
oldVal = device->generic.js.lX;
device->generic.js.lX = newVal;
break;
case kHIDUsage_GD_Y:
wine_obj = 1;
oldVal = device->generic.js.lY;
device->generic.js.lY = newVal;
break;
case kHIDUsage_GD_Z:
wine_obj = 2;
oldVal = device->generic.js.lZ;
device->generic.js.lZ = newVal;
break;
case kHIDUsage_GD_Rx:
wine_obj = 3;
oldVal = device->generic.js.lRx;
device->generic.js.lRx = newVal;
break;
case kHIDUsage_GD_Ry:
wine_obj = 4;
oldVal = device->generic.js.lRy;
device->generic.js.lRy = newVal;
break;
case kHIDUsage_GD_Rz:
wine_obj = 5;
oldVal = device->generic.js.lRz;
device->generic.js.lRz = newVal;
break;
case kHIDUsage_GD_Slider:
wine_obj = 6 + slider_idx;
oldVal = device->generic.js.rglSlider[slider_idx];
device->generic.js.rglSlider[slider_idx] = newVal;
slider_idx ++;
break;
}
if ((wine_obj != -1) &&
(oldVal != newVal))
{
inst_id = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;
queue_event(iface,inst_id,newVal,GetCurrentTime(),device->generic.base.dinput->evsequence++);
}
break;
}
default:
FIXME("unhandled usage %i\n",usage);
}
break;
}
default:
FIXME("Unhandled type %i\n",eleType);
}
}
}
}
static void poll_osx_device_state(LPDIRECTINPUTDEVICE8A iface)
{
JoystickImpl *device = (JoystickImpl*)iface;
IOHIDElementRef tIOHIDTopElementRef;
IOHIDDeviceRef tIOHIDDeviceRef;
CFArrayRef gElementCFArrayRef = device->elementCFArrayRef;
TRACE("polling device %i\n",device->id);
if (!gCollections)
return;
tIOHIDTopElementRef = (IOHIDElementRef) CFArrayGetValueAtIndex(gCollections, device->id);
tIOHIDDeviceRef = IOHIDElementGetDevice(tIOHIDTopElementRef);
if (!tIOHIDDeviceRef)
return;
if (gElementCFArrayRef)
{
int button_idx = 0;
int pov_idx = 0;
int slider_idx = 0;
CFIndex idx, cnt = CFArrayGetCount( gElementCFArrayRef );
for ( idx = 0; idx < cnt; idx++ )
{
IOHIDValueRef valueRef;
int val;
IOHIDElementRef tIOHIDElementRef = ( IOHIDElementRef ) CFArrayGetValueAtIndex( gElementCFArrayRef, idx );
int eleType = IOHIDElementGetType( tIOHIDElementRef );
switch(eleType)
{
case kIOHIDElementTypeInput_Button:
if(button_idx < 128)
{
IOHIDDeviceGetValue(tIOHIDDeviceRef, tIOHIDElementRef, &valueRef);
val = IOHIDValueGetIntegerValue(valueRef);
device->generic.js.rgbButtons[button_idx] = val ? 0x80 : 0x00;
button_idx ++;
}
break;
case kIOHIDElementTypeInput_Misc:
{
uint32_t usage = IOHIDElementGetUsage( tIOHIDElementRef );
switch(usage)
{
case kHIDUsage_GD_Hatswitch:
{
IOHIDDeviceGetValue(tIOHIDDeviceRef, tIOHIDElementRef, &valueRef);
val = IOHIDValueGetIntegerValue(valueRef);
if (val >= 8)
device->generic.js.rgdwPOV[pov_idx] = -1;
else
device->generic.js.rgdwPOV[pov_idx] = val * 4500;
pov_idx ++;
break;
}
case kHIDUsage_GD_X:
case kHIDUsage_GD_Y:
case kHIDUsage_GD_Z:
case kHIDUsage_GD_Rx:
case kHIDUsage_GD_Ry:
case kHIDUsage_GD_Rz:
case kHIDUsage_GD_Slider:
{
IOHIDDeviceGetValue(tIOHIDDeviceRef, tIOHIDElementRef, &valueRef);
val = IOHIDValueGetIntegerValue(valueRef);
switch (usage)
{
case kHIDUsage_GD_X:
device->generic.js.lX = joystick_map_axis(&device->generic.props[idx], val);
break;
case kHIDUsage_GD_Y:
device->generic.js.lY = joystick_map_axis(&device->generic.props[idx], val);
break;
case kHIDUsage_GD_Z:
device->generic.js.lZ = joystick_map_axis(&device->generic.props[idx], val);
break;
case kHIDUsage_GD_Rx:
device->generic.js.lRx = joystick_map_axis(&device->generic.props[idx], val);
break;
case kHIDUsage_GD_Ry:
device->generic.js.lRy = joystick_map_axis(&device->generic.props[idx], val);
break;
case kHIDUsage_GD_Rz:
device->generic.js.lRz = joystick_map_axis(&device->generic.props[idx], val);
break;
case kHIDUsage_GD_Slider:
device->generic.js.rglSlider[slider_idx] = joystick_map_axis(&device->generic.props[idx], val);
slider_idx ++;
break;
}
break;
}
default:
FIXME("unhandled usage %i\n",usage);
}
break;
}
default:
FIXME("Unhandled type %i\n",eleType);
}
}
}
}
void GamepadManager::onDeviceValueChanged(IOHIDValueRef value)
{
IOHIDElementRef element = IOHIDValueGetElement(value);
IOHIDDeviceRef device = IOHIDElementGetDevice(element);
int vendorID = getIntDeviceProperty(device, CFSTR(kIOHIDVendorIDKey));
int productID = getIntDeviceProperty(device, CFSTR(kIOHIDProductIDKey));
uint32_t usagePage = IOHIDElementGetUsagePage(element);
uint32_t usage = IOHIDElementGetUsage(element);
// The following controller mapping is based on the Logitech F710, however we use it for
// all Logitech devices on the assumption that they're likely to share the same mapping.
if (vendorID == Logitech_F710_VendorID)
{
// Logitech F710 mapping.
if (usagePage == kHIDPage_Button)
{
bool buttonState = IOHIDValueGetIntegerValue(value);
switch(usage)
{
case kHIDUsage_Button_1:
manipulateBitField(State.Buttons, Gamepad_X, buttonState);
break;
case kHIDUsage_Button_2:
manipulateBitField(State.Buttons, Gamepad_A, buttonState);
break;
case kHIDUsage_Button_3:
manipulateBitField(State.Buttons, Gamepad_B, buttonState);
break;
case kHIDUsage_Button_4:
manipulateBitField(State.Buttons, Gamepad_Y, buttonState);
break;
case 0x05:
manipulateBitField(State.Buttons, Gamepad_L1, buttonState);
break;
case 0x06:
manipulateBitField(State.Buttons, Gamepad_R1, buttonState);
break;
case 0x07:
State.LT = buttonState ? 1.0f:0.0f;
break;
case 0x08:
State.RT = buttonState ? 1.0f:0.0f;
break;
case 0x09:
manipulateBitField(State.Buttons, Gamepad_Back, buttonState);
break;
case 0x0A:
manipulateBitField(State.Buttons, Gamepad_Start, buttonState);
break;
case 0x0B:
manipulateBitField(State.Buttons, Gamepad_LStick, buttonState);
break;
case 0x0C:
manipulateBitField(State.Buttons, Gamepad_RStick, buttonState);
break;
default:
return;
}
}
else if (usagePage == kHIDPage_GenericDesktop)
{
float v;
switch(usage)
{
case kHIDUsage_GD_X:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.LX, v))
return;
break;
case kHIDUsage_GD_Y:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.LY, -v))
return;
break;
case kHIDUsage_GD_Z:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.RX, v))
return;
break;
case kHIDUsage_GD_Rz:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.RY, -v))
return;
break;
case kHIDUsage_GD_Hatswitch:
{
CFIndex integerValue = IOHIDValueGetIntegerValue(value);
manipulateBitField(State.Buttons,
Gamepad_Up,
integerValue == 7 || integerValue == 0 || integerValue == 1);
manipulateBitField(State.Buttons,
Gamepad_Down,
integerValue == 3 || integerValue == 4 || integerValue == 5);
manipulateBitField(State.Buttons,
Gamepad_Left,
integerValue == 5 || integerValue == 6 || integerValue == 7);
manipulateBitField(State.Buttons,
Gamepad_Right,
integerValue == 1 || integerValue == 2 || integerValue == 3);
}
break;
default:
return;
}
}
}
// The following controller mapping is based on the Sony DualShock3, however we use it for
// all Sony devices on the assumption that they're likely to share the same mapping.
else if (vendorID == Sony_DualShock3_VendorID)
{
// PS3 Controller.
if (usagePage == kHIDPage_Button)
{
bool buttonState = IOHIDValueGetIntegerValue(value);
switch(usage)
{
case kHIDUsage_Button_1:
manipulateBitField(State.Buttons, Gamepad_Back, buttonState);
break;
case kHIDUsage_Button_2:
manipulateBitField(State.Buttons, Gamepad_LStick, buttonState);
break;
case kHIDUsage_Button_3:
manipulateBitField(State.Buttons, Gamepad_RStick, buttonState);
break;
case kHIDUsage_Button_4:
manipulateBitField(State.Buttons, Gamepad_Start, buttonState);
break;
case 0x05:
manipulateBitField(State.Buttons, Gamepad_Up, buttonState);
break;
case 0x06:
manipulateBitField(State.Buttons, Gamepad_Right, buttonState);
break;
case 0x07:
manipulateBitField(State.Buttons, Gamepad_Down, buttonState);
break;
case 0x08:
manipulateBitField(State.Buttons, Gamepad_Left, buttonState);
break;
case 0x09:
State.LT = buttonState ? 1.0f:0.0f;
break;
case 0x0A:
State.RT = buttonState ? 1.0f:0.0f;
break;
case 0x0B:
manipulateBitField(State.Buttons, Gamepad_L1, buttonState);
break;
case 0x0C:
manipulateBitField(State.Buttons, Gamepad_R1, buttonState);
break;
case 0x0D:
// PS3 Triangle.
manipulateBitField(State.Buttons, Gamepad_TRIANGLE, buttonState);
break;
case 0x0E:
// PS3 Circle
manipulateBitField(State.Buttons, Gamepad_CIRCLE, buttonState);
break;
case 0x0F:
// PS3 Cross
manipulateBitField(State.Buttons, Gamepad_CROSS, buttonState);
break;
case 0x10:
// PS3 Square
manipulateBitField(State.Buttons, Gamepad_SQUARE, buttonState);
break;
default:
return;
}
}
else if (usagePage == kHIDPage_GenericDesktop)
{
float v;
switch(usage)
{
case kHIDUsage_GD_X:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.LX, v))
return;
break;
case kHIDUsage_GD_Y:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.LY, -v))
return;
break;
case kHIDUsage_GD_Z:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.RX, v))
return;
break;
case kHIDUsage_GD_Rz:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.RY, -v))
return;
break;
default:
return;
}
}
}
bStateChanged = true;
}
void __deviceValueCallback (void * context, IOReturn result, void * sender, IOHIDValueRef value)
{
IOHIDElementRef element = IOHIDValueGetElement(value);
printf("IOHIDDeviceRef[%p]: value=%p timestamp=%lld cookie=%d usagePage=0x%02X usage=0x%02X intValue=%ld\n", sender, value, IOHIDValueGetTimeStamp(value), (uint32_t)IOHIDElementGetCookie(element), IOHIDElementGetUsagePage(element), IOHIDElementGetUsage(element), IOHIDValueGetIntegerValue(value));
}
static void iohidmanager_hid_device_input_callback(void *data, IOReturn result,
void* sender, IOHIDValueRef value)
{
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)hid_driver_get_data();
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)data;
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t type = (uint32_t)IOHIDElementGetType(element);
uint32_t page = (uint32_t)IOHIDElementGetUsagePage(element);
uint32_t use = (uint32_t)IOHIDElementGetUsage(element);
uint32_t cookie = (uint32_t)IOHIDElementGetCookie(element);
apple_input_rec_t *tmp = NULL;
if (type != kIOHIDElementTypeInput_Misc)
if (type != kIOHIDElementTypeInput_Button)
if (type != kIOHIDElementTypeInput_Axis)
return;
/* Joystick handler.
* TODO: Can GamePad work the same? */
int pushed_button = 0;
switch (page)
{
case kHIDPage_GenericDesktop:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
switch (use)
{
case kHIDUsage_GD_Hatswitch:
{
tmp = adapter->hats;
while(tmp && tmp->cookie != (IOHIDElementCookie)cookie)
tmp = tmp->next;
if(tmp->cookie == (IOHIDElementCookie)cookie)
{
CFIndex range = IOHIDElementGetLogicalMax(element) - IOHIDElementGetLogicalMin(element);
CFIndex val = IOHIDValueGetIntegerValue(value);
if(range == 3)
val *= 2;
switch(val)
{
case 0:
/* pos = up */
hid->hats[adapter->slot][0] = 0;
hid->hats[adapter->slot][1] = -1;
break;
case 1:
/* pos = up+right */
hid->hats[adapter->slot][0] = 1;
hid->hats[adapter->slot][1] = -1;
break;
case 2:
/* pos = right */
hid->hats[adapter->slot][0] = 1;
hid->hats[adapter->slot][1] = 0;
break;
case 3:
/* pos = down+right */
hid->hats[adapter->slot][0] = 1;
hid->hats[adapter->slot][1] = 1;
break;
case 4:
/* pos = down */
hid->hats[adapter->slot][0] = 0;
hid->hats[adapter->slot][1] = 1;
break;
case 5:
/* pos = down+left */
hid->hats[adapter->slot][0] = -1;
hid->hats[adapter->slot][1] = 1;
break;
case 6:
/* pos = left */
hid->hats[adapter->slot][0] = -1;
hid->hats[adapter->slot][1] = 0;
break;
case 7:
/* pos = up_left */
hid->hats[adapter->slot][0] = -1;
hid->hats[adapter->slot][1] = -1;
break;
default:
/* pos = centered */
hid->hats[adapter->slot][0] = 0;
hid->hats[adapter->slot][1] = 0;
break;
}
}
}
break;
default:
tmp = adapter->axes;
while(tmp && tmp->cookie != (IOHIDElementCookie)cookie)
tmp = tmp->next;
if (tmp)
{
if(tmp->cookie == (IOHIDElementCookie)cookie)
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
float val = (float)state / (float)max;
hid->axes[adapter->slot][tmp->id] =
((val * 2.0f) - 1.0f) * 32767.0f;
}
}
else
pushed_button = 1;
break;
}
break;
}
break;
case kHIDPage_Consumer:
case kHIDPage_Button:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
pushed_button = 1;
break;
}
break;
}
if (pushed_button)
{
tmp = adapter->buttons;
uint8_t bit = 0;
while(tmp && tmp->cookie != (IOHIDElementCookie)cookie)
{
bit++;
tmp = tmp->next;
}
if(tmp && tmp->cookie == (IOHIDElementCookie)cookie)
{
CFIndex state = IOHIDValueGetIntegerValue(value);
if (state)
BIT64_SET(hid->buttons[adapter->slot], bit);
else
BIT64_CLEAR(hid->buttons[adapter->slot], bit);
}
}
}
static void apple_hid_device_input_callback(void *data, IOReturn result,
void* sender, IOHIDValueRef value)
{
driver_t *driver = driver_get_ptr();
apple_input_data_t *apple = (apple_input_data_t*)driver->input_data;
struct apple_hid_adapter *adapter = (struct apple_hid_adapter*)data;
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t type = IOHIDElementGetType(element);
uint32_t page = IOHIDElementGetUsagePage(element);
uint32_t use = IOHIDElementGetUsage(element);
if (type != kIOHIDElementTypeInput_Misc)
if (type != kIOHIDElementTypeInput_Button)
if (type != kIOHIDElementTypeInput_Axis)
return;
/* Joystick handler.
* TODO: Can GamePad work the same? */
switch (page)
{
case kHIDPage_GenericDesktop:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
switch (use)
{
case kHIDUsage_GD_Hatswitch:
break;
default:
{
int i;
static const uint32_t axis_use_ids[4] = { 48, 49, 50, 53 };
for (i = 0; i < 4; i ++)
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
float val = (float)state / (float)max;
if (use != axis_use_ids[i])
continue;
apple->axes[adapter->slot][i] =
((val * 2.0f) - 1.0f) * 32767.0f;
}
}
break;
}
break;
}
break;
case kHIDPage_Button:
switch (type)
{
case kIOHIDElementTypeInput_Button:
{
CFIndex state = IOHIDValueGetIntegerValue(value);
unsigned id = use - 1;
if (state)
BIT64_SET(apple->buttons[adapter->slot], id);
else
BIT64_CLEAR(apple->buttons[adapter->slot], id);
}
break;
}
break;
}
}
/**************************************************************************
* driver_joyGetPosEx
*/
LRESULT driver_joyGetPosEx(DWORD_PTR device_id, JOYINFOEX* info)
{
static const struct {
DWORD flag;
off_t offset;
} axis_map[NUM_AXES] = {
{ JOY_RETURNX, FIELD_OFFSET(JOYINFOEX, dwXpos) },
{ JOY_RETURNY, FIELD_OFFSET(JOYINFOEX, dwYpos) },
{ JOY_RETURNZ, FIELD_OFFSET(JOYINFOEX, dwZpos) },
{ JOY_RETURNU, FIELD_OFFSET(JOYINFOEX, dwUpos) },
{ JOY_RETURNV, FIELD_OFFSET(JOYINFOEX, dwVpos) },
{ JOY_RETURNR, FIELD_OFFSET(JOYINFOEX, dwRpos) },
};
joystick_t* joystick;
IOHIDDeviceRef device;
CFIndex i, count;
IOHIDValueRef valueRef;
long value;
if ((joystick = joystick_from_id(device_id)) == NULL)
return MMSYSERR_NODRIVER;
if (!open_joystick(joystick))
return JOYERR_PARMS;
device = IOHIDElementGetDevice(joystick->element);
if (info->dwFlags & JOY_RETURNBUTTONS)
{
info->dwButtons = 0;
info->dwButtonNumber = 0;
count = CFArrayGetCount(joystick->buttons);
for (i = 0; i < count; i++)
{
IOHIDElementRef button = (IOHIDElementRef)CFArrayGetValueAtIndex(joystick->buttons, i);
IOHIDDeviceGetValue(device, button, &valueRef);
value = IOHIDValueGetIntegerValue(valueRef);
if (value)
{
info->dwButtons |= 1 << i;
if (!info->dwButtonNumber)
info->dwButtonNumber = i + 1;
}
}
}
for (i = 0; i < NUM_AXES; i++)
{
if (info->dwFlags & axis_map[i].flag)
{
DWORD* field = (DWORD*)((char*)info + axis_map[i].offset);
if (joystick->axes[i].element)
{
IOHIDDeviceGetValue(device, joystick->axes[i].element, &valueRef);
value = IOHIDValueGetIntegerValue(valueRef) - joystick->axes[i].min_value;
*field = MulDiv(value, 0xFFFF, joystick->axes[i].max_value - joystick->axes[i].min_value);
}
else
{
*field = 0;
info->dwFlags &= ~axis_map[i].flag;
}
}
}
if (info->dwFlags & JOY_RETURNPOV)
{
if (joystick->hatswitch)
{
IOHIDDeviceGetValue(device, joystick->hatswitch, &valueRef);
value = IOHIDValueGetIntegerValue(valueRef);
if (value >= 8)
info->dwPOV = JOY_POVCENTERED;
else
info->dwPOV = value * 4500;
}
else
{
info->dwPOV = 0;
info->dwFlags &= ~JOY_RETURNPOV;
}
}
TRACE("x: %d, y: %d, z: %d, r: %d, u: %d, v: %d, buttons: 0x%04x, pov %d, flags: 0x%04x\n",
info->dwXpos, info->dwYpos, info->dwZpos, info->dwRpos, info->dwUpos, info->dwVpos, info->dwButtons, info->dwPOV, info->dwFlags);
return JOYERR_NOERROR;
}
void Burger::Mouse::InputCallback(void *pData, int iReturn,void * /* pSender */,IOHIDValueRef pValue)
{
if (iReturn == kIOReturnSuccess) {
Mouse *pMouse = static_cast<Mouse *>(pData);
Word uCount = pMouse->m_uMiceCount;
if (uCount) {
IOHIDElementRef pElement = IOHIDValueGetElement(pValue);
IOHIDDeviceRef pDevice = IOHIDElementGetDevice(pElement);
#if 0
Word uRatNumber = BURGER_MAXUINT;
const DeviceStruct *pRat = pMouse->m_Mice;
do {
if (pRat->m_pDevice == pDevice) {
uRatNumber = pMouse->m_uMiceCount-uCount;
break;
}
++pRat;
} while (--uCount);
if (uRatNumber==BURGER_MAXUINT) {
}
#endif
Word32 uTime = static_cast<Word32>(IOHIDValueGetTimeStamp(pValue));
CFIndex iValue = IOHIDValueGetIntegerValue(pValue);
uint32_t uPage = IOHIDElementGetUsagePage(pElement);
uint32_t uUsage = IOHIDElementGetUsage(pElement);
switch (uPage) {
case kHIDPage_GenericDesktop:
if (iValue) {
switch (uUsage) {
case kHIDUsage_GD_X:
pMouse->PostMouseMotion(static_cast<Int32>(iValue),0,uTime);
break;
case kHIDUsage_GD_Y:
pMouse->PostMouseMotion(0,static_cast<Int32>(iValue),uTime);
break;
case kHIDUsage_GD_Wheel:
pMouse->PostMouseWheel(0,static_cast<Int32>(iValue),uTime);
break;
default:
printf("Unknown usage %u\n",uUsage);
break;
}
}
break;
case kHIDPage_Button:
// iValue == down
// Usage = which 1.2.3.4
if (iValue) {
pMouse->PostMouseDown(1<<(uUsage-1));
} else {
pMouse->PostMouseUp(1<<(uUsage-1));
}
break;
// Ignore this one
case kHIDPage_Consumer:
break;
default:
printf("Unknown page found %u\n",uPage);
break;
}
}
}
}
static void iohidmanager_hid_device_input_callback(void *data, IOReturn result,
void* sender, IOHIDValueRef value)
{
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)hid_driver_get_data();
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)data;
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t type = IOHIDElementGetType(element);
uint32_t page = IOHIDElementGetUsagePage(element);
uint32_t use = IOHIDElementGetUsage(element);
if (type != kIOHIDElementTypeInput_Misc)
if (type != kIOHIDElementTypeInput_Button)
if (type != kIOHIDElementTypeInput_Axis)
return;
/* Joystick handler.
* TODO: Can GamePad work the same? */
switch (page)
{
case kHIDPage_GenericDesktop:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
switch (use)
{
case kHIDUsage_GD_Hatswitch:
break;
default:
{
int i;
// +0/-0 => Left Stick Horizontal => 48
// +1/-1 => Left Stick Vertical => 49
// +2/-2 => Right Stick Horizontal => 51
// +3/-3 => Right Stick Vertical => 52
// +4/-4 => Left Trigger (if exists) => 50
// +5/-5 => Right Trigger (if exists) => 53
static const uint32_t axis_use_ids[6] = { 48, 49, 51, 52, 50, 53 };
for (i = 0; i < 6; i ++)
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
float val = (float)state / (float)max;
if (use != axis_use_ids[i])
continue;
hid->axes[adapter->slot][i] =
((val * 2.0f) - 1.0f) * 32767.0f;
}
}
break;
}
break;
}
break;
case kHIDPage_Button:
switch (type)
{
case kIOHIDElementTypeInput_Button:
{
CFIndex state = IOHIDValueGetIntegerValue(value);
unsigned id = use - 1;
if (state)
BIT64_SET(hid->buttons[adapter->slot], id);
else
BIT64_CLEAR(hid->buttons[adapter->slot], id);
}
break;
}
break;
}
}
