iokit

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How to resolve CGDirectDisplayID changing issues on newer multi-GPU Apple laptops in Core Foundation/IO Kit?

In Mac OS X, every display gets a unique CGDirectDisplayID number assigned to it.You can use CGGetActiveDisplayList() or [NSScreen screens] to access them, among others.Per Apple\'s docs:[详细]

2022-12-30 14:22 分类：问答
Can't edit IORegistryEntry

I am creating a software on Mac and I would like to change the value of an IORegistryEntry. I can view it on the IORegistryExplorer, but I can\'t edit it. So it\'s my understanding that I have to edit[详细]

2022-12-26 03:30 分类：问答
IOKit header assert.h gone?

I want to get the hardware address of my mac\'s ethernet card. In all samples I saw in include on IOKit/assert.h . Which doesn\'t seem to exist on my system. GCC throws an error saying he doesn\'t kno[详细]

2022-12-24 19:26 分类：问答
What is the '245' in the IOKit USB libraries?

I\'m getting started with IOKit on OS X, and I\'ve been puzzled by the \'2开发者_运维问答45\' tagged onto data types in the IOKit USB library, such as IOUSBInterfaceInterface245.What does the 245 mean[详细]

2022-12-19 11:10 分类：问答
Help writing a DVB driver for OS X

I\'m looking at options to access DVB data on OS X.Initially I want to support the EyeTV DTT USB device, but in the long-run I\'d like to support a number of popular devices.The problem I have is that[详细]

2022-12-18 08:53 分类：问答
How to detect SSD in Mac OS X?

Is there a reliable, quick, deterministic way (i.e. not a benchmark) to check whether the system drive Mac OS X is on is a Solid State Drive?[详细]

2022-12-17 03:36 分类：问答
Programmatically trigger "detect displays."

I’m trying to trigger the same thing that the system does when you click on “Detect Displays” in the “Displays” System Preferences pane. Is there a way to do this program[详细]

2022-12-16 10:33 分类：问答
IORegistryEntry::fromPath() fail

my IOKit kext is failing on older iMacs to locate the /options path in the DeviceTree plane of the IORegistry.has anybody else encountered this or know why it would fail?[详细]

2022-12-12 17:51 分类：问答
Does this function IOHIDManagerRegisterDeviceMatchingCallback operate under the cocoa environment?

I am struggling to implement an HID control with a Mac : I cannot send the expected function as depicted here below:开发者_开发技巧[详细]

2022-12-12 06:05 分类：问答
How to know a device's name from its device ID in OS X?

I\'m writing a program in OS X that receives click events from a mouse and a touchpad. When the user clicks at somewhere, the OS sends the device ID, which is just an int, and the p开发者_如何学编程os[详细]

2022-12-10 04:47 分类：问答