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USB defines class code information that is used to identify a device's functionality and to nominally load a device driver based on that functionality.

2024/1/17 -Every Universal Serial Bus (USB) device must be able to provide a single device descriptor that contains relevant information about the device.

I'm working on a multi-channel USB audio device (6-mic/2-spkr). I started ... When I set up the device descriptor with 0xEF, 0x02, 0x01 as described in ...

2021/12/14 -In this article. When a new USB device is connected to a host machine, the USB bus driver creates a physical device object (PDO) for the ...

2023/11/9 -USB defines class code information that is used to identify a device's functionality and to nominally load a device driver based on that ...

2020/5/13 -I have just tested the files you linked too, and I can confirm that direct boot from a MBR ESP (type 0xef ) off an SD card now works as expected ...

List of USB Device Classes supported by Windows Operating System as of today · 1. Bluetooth class - (0xE0) · 2. Chip/smart card interface devices (CCID) - (0x0B).

2003/7/23 -The recent USB 2.0 ECN Interface Association Descriptor (IAD) solves the problem by defining a standard method in the USB device framework for ...

... 0xEF). Introduce a new constant, USB_CLASS_MISC (0xEF), and allow the detection process to proceed for USB devices with this device class. Signed-off-by ...

OS has some required drivers as built-in, they are available for the composite device. These OS built-in device drivers are called as USB class driver. " ...