Airoha (DuraGadet/OMOTON/etc.) iOS Bluetooth keyboards produce an HID value of 0x10101010101 instead of 1 when pressing Control-Command-Up or Control-Command-Space

iOS-keyboard-issue.c

// clang -framework IOKit -framework Carbon iOS-keyboard-issue.c -o iOS-keyboard-issue && ./iOS-keyboard-issue

#include <Carbon/Carbon.h>
#include <IOKit/hid/IOHIDManager.h>
#include <IOKit/hid/IOHIDValue.h>

CFMutableDictionaryRef CreateMatchingDictionary(UInt32 usage_page, UInt32 usage)
{
    CFMutableDictionaryRef dictionary = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

    CFNumberRef page_number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &usage_page);
    CFDictionarySetValue(dictionary, CFSTR(kIOHIDDeviceUsagePageKey), page_number);
    CFRelease(page_number);

    CFNumberRef usage_number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &usage);
    CFDictionarySetValue(dictionary, CFSTR(kIOHIDDeviceUsageKey), usage_number);
    CFRelease(usage_number);

    return dictionary;
}

void HIDKeyboardCallback(void *context, IOReturn result, void *sender, IOHIDValueRef value)
{
    IOHIDElementRef elem = IOHIDValueGetElement(value);
    uint32_t usage_page = IOHIDElementGetUsagePage(elem);
    uint32_t usage = IOHIDElementGetUsage(elem);
    long pressed = IOHIDValueGetIntegerValue(value);

    if (usage_page == kHIDPage_KeyboardOrKeypad) {
        if (pressed == 1 || pressed == 0x10101010101) { //1103823438081
            printf("\n\nKey code: %d (0x%04lx)\n", usage, pressed);
            if (pressed == 0x10101010101) {
                printf("Control-Command-Space or Control-Command-Up was pressed.\n");
            }
        }
    }
}

int main()
{
    IOHIDManagerRef hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
    CFMutableDictionaryRef matching_dictionary = CreateMatchingDictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_Keyboard);
    IOHIDManagerSetDeviceMatching(hid_manager, matching_dictionary);
    IOHIDManagerRegisterInputValueCallback(hid_manager, HIDKeyboardCallback, NULL);
    IOHIDManagerScheduleWithRunLoop(hid_manager, CFRunLoopGetMain(), kCFRunLoopDefaultMode);
    IOHIDManagerOpen(hid_manager, kIOHIDOptionsTypeNone);
    CFRunLoopRun();
}