I have been working on a multi-platform multi-touch HID-standard digitizer clickpad device. The device uses Bluetooth Low Energy (BLE) as its connectivity transport and advertises HID over GATT. To date, I have the device working successfully on Windows 11 as a multi-touch, gesture-capable click pad with no custom driver or app on Windows. However, I have been having difficulty getting macOS to recognize and react to it as a HID-standard multi-touch click pad digitizer with either the standard Apple HID driver (AppleUserHIDEventDriver) or with a custom-coded driver extension (DEXT) modeled, based on the DTS stylus example and looking at the IOHIDFamily open source driver(s). The trackpad works with full-gesture support on Windows 11 and the descriptors seem to be compliant with the R23 Accessory Guidelines document, §15. With the standard, matching Apple AppleUserHIDEventDriver HID driver, when enumerating using stock-standard HID mouse descriptors, the device works fine on macOS 14.7 "Sonoma" as a relative pointer device with scroll wheel capability (two finger swipe generates a HID scroll report) and a single button. With the standard, matching Apple AppleUserHIDEventDriver HID driver, when enumerating using stock-standard HID digitizer click/touch pad descriptors (those same descriptors used successfully on Windows 11), the device does nothing. No button, no cursor, no gestures, nothing. Looking at ioreg -filtb, all of the key/value pairs for the driver match look correct. Because, even with the Apple open source IOHIDFamily drivers noted above, we could get little visibility into what might be going wrong, I wrote a custom DriverKit/HIDDriverKit driver extension (DEXT) (as noted above, based on the DTS HID stylus example and the open source IOHIDEventDriver. With that custom driver, I can get a single button click from the click pad to work by dispatching button events to dispatchRelativePointerEvent; however, when parsing, processing, and dispatching HID digitizer touch finger (that is, transducer) events via IOUserHIDEventService::dispatchDigitizerTouchEvent, nothing happens. If I log with: % sudo log stream --info --debug --predicate '(subsystem == "com.apple.iohid")' either using the standard AppleUserHIDEventDriver driver or our custom driver, we can see that our input events are tickling the IOHIDNXEventTranslatorSessionFilter HID event filter, so we know HID events are getting from the device into the macOS HID stack. This was further confirmed with the DTS Bluetooth PacketLogger app. Based on these events flowing in and hitting IOHIDNXEventTranslatorSessionFilter, using the standard AppleUserHIDEventDriver driver or our custom driver, clicks or click pad activity will either wake the display or system from sleep and activity will keep the display or system from going to sleep. In short, whether with the stock driver or our custom driver, HID input reports come in over Bluetooth and get processed successfully; however, nothing happens—no pointer movement or gesture recognition. STEPS TO REPRODUCE For the standard AppleUserHIDEventDriver: Pair the device with macOS 14.7 "Sonoma" using the Bluetooth menu. Confirm that it is paired / bonded / connected in the Bluetooth menu. Attempt to click or move one or more fingers on the touchpad surface. Nothing happens. For the our custom driver: Pair the device with macOS 14.7 "Sonoma" using the Bluetooth menu. Confirm that it is paired / bonded / connected in the Bluetooth menu. Attempt to click or move one or more fingers on the touchpad surface. Clicks are correctly registered. With transducer movement, regardless of the number of fingers, nothing happens.

I have selected an app to be hidden with Face ID, and it does not appear when i search for it. Nevertheless, when I move to the "Time of use" of the device, it is ranked among the apps that i have used, so you can realase that i currently have this app. I think this should be avoided.

Hello. Is it possible to control the iPhone 16 Camera Control Button via HID (Bluetooth/USB) command? Thanks

I'm try to use CoreHID to communicate with a usb hid device that sends custom reports. I have been able to create a client, but when I try to access the elements I get this: IOServiceOpen failed: 0xe00002e2 also in: client.monitorNotifications(reportIDsToMonitor: [HIDReportID.allReports], elementsToMonitor: []) {... What do I put into "elementsToMonitor: []" array?

Here is project I am researching: https://developer.apple.com/documentation/hiddriverkit/handling_stylus_input_from_a_human_interface_device I have a Touch screen and I want: can control this screen, I can enable extension and control Touch screen successfully. can pen on this screen. To do this, I need to send X,Y to StylusApp(AppKit) But I Can not send X, Y to Swift StylusApp Eventhough I can log X,Y it by default code: But I don't know how to send it to AppKit to Pen. I have research about communicate Driver and Client: https://developer.apple.com/documentation/driverkit/communicating_between_a_driverkit_extension_and_a_client_app#4324306 but seem HID driver don't support inheritance from IOUserClient:

For accessibility dev purposes, I am trying to move the iPadOS (17.4) pointer via virtual mouse and keyboard events generated via pynput. All keyboard keys, mouse click events, and scroll events are registered when relayed to the iPad and works as expected, except for mouse position and move events. Is this something iPadOS blocks specifically or is there a work around? Thanks in advance

Hi! I am trying to figure out whether there are any ways to get notifications when a macOS user connects to another device via Bluetooth (specifically when a smartphone is paired with a MacBook). I know about IOBluetooth, but it seems like you have to send periodic queries for devices when using this framework, and there is no general way to receive such notifications. I know that IOHIDManager may help to track connection with human interface devices such as keyboards, trackpads, joysticks, etc. But is there any API in IOKit/DriverKit that could help get notifications when a macOS user connects to a smartphone? Maybe I am missing an important part of IOBluetooth, so I would appreciate any help.

I am currently developing an USB HID Device, specifically a type of Joystick. However it seems that any attempt of getting a joystick to work on Mac do not work. My prototype works perfectly on Windows, being recognised as such and receiving all data. On MacOS, the Joystick is not recognised as a Joystick though, and the OS does not seem to receiver any Input from it whatsoever. I have translated my code to use both Mouse and Keyboard, both work perfectly. I have also tried to have the Joystick identify as a Gamepad, but again, it works on Windows and is not recognised on Mac (is not recognised as a Gamepad). Are there any specific restrictions to HID devices on MacOS? Apple developer only seems to describe specifics from a software standpoint, not from the standpoint of someone developing hardware. And even then it only seems to describe very specific HID devices, such as mouse, keyboard or a stylus. Please also keep in mind that I don't have much experience developing MacOS applications.

I have a virtual device, which is redirected to Mac from Windows OS. However, In MacOS, it does not recognized as a HID device even it has only one HID interface. The device name is Virtual Fido, it more likes to be identified as an audio device. Could any one help check? Thanks. 2024-01-31 16:37:03.102014+0800 0x1df Error 0x0 0 0 kernel: (IOUSBFamily) AppleUSBLegacyRoot@(null): AppleUSBLegacyRoot::usbServiceCallback: controller <private> (S1F0) usbServiceArray <private>(count 1) options 0x00000000 2024-01-31 16:37:03.102020+0800 0x1df Error 0x0 0 0 kernel: (IOUSBFamily) AppleUSBLegacyRoot@(null): AppleUSBLegacyRoot::usbServiceCallback: [0] <private> 2024-01-31 16:37:03.102023+0800 0x1df Error 0x0 0 0 kernel: (IOUSBFamily) AppleUSBLegacyRoot@(null): AppleUSBLegacyRoot::usbServiceCall: controller <private> (S1F0) usbService <private> (Virtual FIDO) options 0x00000000 2024-01-31 16:37:03.102035+0800 0x1df Error 0x0 0 0 kernel: (IOUSBFamily) AppleUSBLegacyRoot@(null): AppleUSBLegacyRoot::getOrCreateLegacyControllerGated: located existing AppleUSBController@00000000 2024-01-31 16:37:03.102037+0800 0x1df Error 0x0 0 0 kernel: (IOUSBFamily) AppleUSBLegacyRoot@(null): AppleUSBLegacyRoot::usbServiceCallGated: IOUSBHostDevice <private> (Virtual FIDO) 2024-01-31 16:37:03.102046+0800 0x1df Error 0x0 0 0 kernel: (IOUSBFamily) AppleUSBLegacyRoot@(null): AppleUSBLegacyRoot::addDeviceToUsbPlane: 2024-01-31 16:37:03.102288+0800 0x1df Error 0x0 0 0 kernel: (IOUSBFamily) AppleUSBLegacyRoot@(null): AppleUSBLegacyRoot::usbServiceCall: usbServiceCallbackGated completed with 0x00000000 and service <private> 2024-01-31 16:37:03.102302+0800 0x1df Error 0x0 0 0 kernel: (IOUSBFamily) AppleUSBLegacyRoot@(null): AppleUSBLegacyRoot::usbServiceCall: registering Virtual FIDO@00810000 (<private>) for matching 2024-01-31 16:37:03.104499+0800 0x247c Info 0x0 120 0 kernelmanagerd: Received MIG message 2024-01-31 16:37:03.105412+0800 0x247c Info 0x0 120 0 kernelmanagerd: Received MIG message 2024-01-31 16:37:03.105453+0800 0x284b Default 0x0 120 0 kernelmanagerd: Received kext load notification: com.apple.iokit.IOAudioFamily 2024-01-31 16:37:03.105460+0800 0x284b Default 0x0 120 0 kernelmanagerd: Received kext load notification: com.apple.driver.AppleUSBAudio 2024-01-31 16:37:03.106066+0800 0x11d6 Default 0x0 643 0 icdd: [com.apple.imagecapture:icdd] Device DB | Creating local devices 2024-01-31 16:37:03.106170+0800 0x512 Info 0x0 244 0 com.apple.ifdreader: [com.apple.CryptoTokenKit:smartcard] new device skipped: 0x0e0f/0x0123 810000 (entryId=4294969016) 2024-01-31 16:37:03.106551+0800 0x11d6 Default 0x0 0 0 kernel: (Sandbox) Sandbox: icdd(643) allow file-read-data /Library/Image Capture/Devices 2024-01-31 16:37:03.106602+0800 0x11d6 Default 0x0 643 0 icdd: [com.apple.imagecapture:icdd] Device DB | Creating bonjour devices 2024-01-31 16:37:03.106968+0800 0x11d6 Default 0x0 643 0 icdd: [com.apple.imagecapture:icdd] => [Matching] | [ 0x00,0x00,0x00 ] 2024-01-31 16:37:03.106989+0800 0x11d6 Default 0x0 643 0 icdd: [com.apple.imagecapture:icdd] Added | 0x10000011 - [USB][ Virtual FIDO ] ( 0, 0, 0) @ 0x810000 | 2024-01-31 16:37:03.107041+0800 0x11d6 Default 0x0 643 0 icdd: [com.apple.imagecapture:icdd] Autolaunch | 00000000-0000-0000-0031-323334353637 => (null) 2024-01-31 16:37:03.335288+0800 0x276f Default 0x0 424 0 trustd: [com.apple.securityd:pinningQA] could not enable test hierarchy: no UAT pinning preferences set | | | +-o VMware Virtual USB Hub@00800000 <class IOUSBHostDevice, id 0x1000003de, registered, matched, active, busy 0 (35 ms), retain 38> | | | +-o AppleUSBHostLegacyClient <class AppleUSBHostLegacyClient, id 0x1000003e1, !registered, !matched, active, busy 0, retain 8> | | | +-o AppleUSB20Hub@00800000 <class AppleUSB20Hub, id 0x1000003e4, registered, matched, active, busy 0 (33 ms), retain 35> | | | | +-o AppleUSB20HubPort@00810000 <class AppleUSB20HubPort, id 0x1000003e7, registered, matched, active, busy 0 (33 ms), retain 16> | | | | | +-o Virtual FIDO@00810000 <class IOUSBHostDevice, id 0x1000006b8, registered, matched, active, busy 0 (3 ms), retain 20> | | | | | +-o AppleUSBHostLegacyClient <class AppleUSBHostLegacyClient, id 0x1000006bb, !registered, !matched, active, busy 0, retain 8> | | | | | +-o AppleUSBHostCompositeDevice <class AppleUSBHostCompositeDevice, id 0x1000006bf, !registered, !matched, active, busy 0, retain 4> | | | | +-o AppleUSB20HubPort@00820000 <class AppleUSB20HubPort, id 0x1000003e8, registered, matched, active, busy 0 (0 ms), retain 12> | | | | +-o AppleUSB20HubPort@00830000 <class AppleUSB20HubPort, id 0x1000003e9, registered, matched, active, busy 0 (0 ms), retain 12>

I am new to macOS development and presently tearing my hair out trying to get a driverkit extension to build. I have tried following the instructions here: https://developer.apple.com/documentation/driverkit/communicating_between_a_driverkit_extension_and_a_client_app namely, disabling SIP, but I am still unable to get my extension to build. The instructions say to set the code signing identity to "Sign to Run Locally" for all three targets, but this is not listed as an option for the driver extension.

I have a custom HID device that works on Windows totally fine with the default HID driver. The HID device knows how to accept string commands to control it and respond accordingly. I am trying to control it on Mac using IOKit. I am able to get the io_service_t reference to the IOHIDInterface for the device from the I/ORegistery. I use this to instantiate a class to represent the device. But when I try to establish a connection to the service, I keep getting -536870201 which corresponds to kIOReturnUnsupported. I'm not entirely sure what I am doing wrong here and I wasn't able to find anything online that could really help.

I'm using IOKit to connect to a custom USB HID device. I'm using XCode 14 and running Swift/SwiftUI. So far I have had great success reading from the device with IOHIDDeviceGetReport and this can be done repeatedly with no issues. However, when I use IOHIDDeviceSetReport, I can only successfully set the report to the device one time correctly but any subsequent call to this function would just end up with an I/O Timeout. Any calls using IOHIDDeviceGetReport still works fine so the USB Device is still functioning correctly, but I couldn't receive any additional IOHIDDeviceSetReport call. If I unplug the USB and plug it in again, I can once again successfully send a command. This is, of course, not very practical for the end user to have to unplug and plug the device in after a single set command, and I don't quite understand what's going on with this. Here's my SetOutputReport function to call the IOHIDDeviceSetReport. The IOHIDDevice must already be connected and opened before calling this function so it's not nil. I don't have this "one shot send command" problem on the PC (Windows 7, 10, 11) or Android (v.11,12,13,14) implementation of this Custom USB HID device. It seems like there's something at the lower level of IOHIDDeviceSetReport on macOS which might be done differently than what's available on the PC or Android. Many searches on the web yielded no useful results. There's an IOHIDDeviceSetReportWithCallback function and it also seems only to work one time as well. private func SetOutputReport(dev: IOHIDDevice? ,reportID: Int, data:[UInt8], reportLength: Int) -&gt; String{ let inputReportID = reportID var buffer = data buffer[0] = UInt8(inputReportID) let bufferPointer = UnsafeMutablePointer&lt;UInt8&gt;.allocate(capacity: buffer.count) bufferPointer.initialize(from: &amp;buffer, count: buffer.count) //print(bufferPointer[0]) let bufferLength: CFIndex = buffer.count var success: IOReturn = kIOReturnError if(dev != nil){ success = IOHIDDeviceSetReport(dev!, kIOHIDReportTypeOutput, CFIndex(buffer[0]), bufferPointer, bufferLength) } print("Set report result \(krToString(success))") return krToString(success) }

In a project, I'm using the DriverKit(and HIDDriverKit) framework. I have encountered a problem in the connection between the client app and the driver, which is implemented by the "IOKit" framework. By calling the function "IOServiceGetMatchingServices" the value of "iterator" returns correctly and then communication with the driver is done. However, after releasing the version on the TestFlight, on some systems, the value of the "iterator" returned 0 and it is not possible to communicate with the driver. I checked the status of the activated driver with the command "systemextensionsctl list" and there are no problems on the driver side and the values of "Enabled" and "Active" are starred. AppSandbox = True, SIP: enable ret = IOServiceGetMatchingServices(kIOMainPortDefault, IOServiceNameMatching(dextIdentifier), &iterator); if (ret != kIOReturnSuccess) { goto fail; } while ((service = IOIteratorNext(iterator)) != IO_OBJECT_NULL) { ret = IOServiceOpen(service, mach_task_self(), 0, &connection); if(ret == kIOReturnSuccess) { break; } else { syslog(LOG_WARNING, "IDmelonLog LIB: Can't open service"); } IOObjectRelease(service); }

While in a text input area, when a Bluetooth keyboard is connected to a IOS device and the On Screen Keyboard is "hidden", is there a way to start SIRIs dictation function? (Besides activating the On Screen Keyboard and click on the microphone button)