def __init__(self, elementRef):
# Check that we've been passed a valid IOHIDElement.
assert elementRef
assert cf.CFGetTypeID(elementRef) == iokit.IOHIDElementGetTypeID()
_element_lookup[elementRef.value] = self
self.elementRef = elementRef
# Set element properties as attributes.
self.cookie = iokit.IOHIDElementGetCookie(elementRef)
self.type = iokit.IOHIDElementGetType(elementRef)
if self.type == kIOHIDElementTypeCollection:
self.collectionType = iokit.IOHIDElementGetCollectionType(
elementRef)
else:
self.collectionType = None
self.usagePage = iokit.IOHIDElementGetUsagePage(elementRef)
self.usage = iokit.IOHIDElementGetUsage(elementRef)
self.isVirtual = bool(iokit.IOHIDElementIsVirtual(elementRef))
self.isRelative = bool(iokit.IOHIDElementIsRelative(elementRef))
self.isWrapping = bool(iokit.IOHIDElementIsWrapping(elementRef))
self.isArray = bool(iokit.IOHIDElementIsArray(elementRef))
self.isNonLinear = bool(iokit.IOHIDElementIsNonLinear(elementRef))
self.hasPreferredState = bool(
iokit.IOHIDElementHasPreferredState(elementRef))
self.hasNullState = bool(iokit.IOHIDElementHasNullState(elementRef))
self.name = cftype_to_value(iokit.IOHIDElementGetName(elementRef))
self.reportID = iokit.IOHIDElementGetReportID(elementRef)
self.reportSize = iokit.IOHIDElementGetReportSize(elementRef)
self.reportCount = iokit.IOHIDElementGetReportCount(elementRef)
self.unit = iokit.IOHIDElementGetUnit(elementRef)
self.unitExponent = iokit.IOHIDElementGetUnitExponent(elementRef)
self.logicalMin = iokit.IOHIDElementGetLogicalMin(elementRef)
self.logicalMax = iokit.IOHIDElementGetLogicalMax(elementRef)
self.physicalMin = iokit.IOHIDElementGetPhysicalMin(elementRef)
self.physicalMax = iokit.IOHIDElementGetPhysicalMax(elementRef)
def __init__(self, deviceRef):
# Check that we've got a valid IOHIDDevice.
assert deviceRef
assert cf.CFGetTypeID(deviceRef) == iokit.IOHIDDeviceGetTypeID()
_device_lookup[deviceRef.value] = self
self.deviceRef = deviceRef
# Set attributes from device properties.
self.transport = self.get_property("Transport")
self.vendorID = self.get_property("VendorID")
self.vendorIDSource = self.get_property("VendorIDSource")
self.productID = self.get_property("ProductID")
self.versionNumber = self.get_property("VersionNumber")
self.manufacturer = self.get_property("Manufacturer")
self.product = self.get_property("Product")
self.serialNumber = self.get_property(
"SerialNumber") # always returns None; apple bug?
self.locationID = self.get_property("LocationID")
self.primaryUsage = self.get_property("PrimaryUsage")
self.primaryUsagePage = self.get_property("PrimaryUsagePage")
# Populate self.elements with our device elements.
self.elements = self._get_elements()
# Set up callback functions.
self.value_observers = set()
self.removal_observers = set()
self.removal_callback = self._register_removal_callback()
self.value_callback = self._register_input_value_callback()
def __init__(self):
# Create the HID Manager.
self.managerRef = c_void_p(iokit.IOHIDManagerCreate(None, kIOHIDOptionsTypeNone))
assert self.managerRef
assert cf.CFGetTypeID(self.managerRef) == iokit.IOHIDManagerGetTypeID()
self.schedule_with_run_loop()
self.matching_observers = set()
self.matching_callback = self._register_matching_callback()
self.devices = self._get_devices()
def __init__(self, valueRef):
# Check that this is a valid IOHIDValue.
assert valueRef
assert cf.CFGetTypeID(valueRef) == iokit.IOHIDValueGetTypeID()
self.valueRef = valueRef
self.timestamp = iokit.IOHIDValueGetTimeStamp(valueRef)
self.length = iokit.IOHIDValueGetLength(valueRef)
if self.length <= 4:
self.intvalue = iokit.IOHIDValueGetIntegerValue(valueRef)
else:
# Values may be byte data rather than integers.
# e.g. the PS3 controller has a 39-byte HIDValue element.
# We currently do not try to handle these cases.
self.intvalue = None
elementRef = c_void_p(iokit.IOHIDValueGetElement(valueRef))
self.element = HIDDeviceElement.get_element(elementRef)
