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.
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What is a USB device class?
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Protocol code (assigned by the USB-IF). These codes are qualified by the value of the bDeviceClass and bDeviceSubClass fields. If a device supports class- ...
2024/01/17 · The USB driver stack uses bcdDevice, along with idVendor and idProduct, to generate hardware and compatible IDs for the device. You can view the ...
Device Descriptors · The bcdUSB field reports the highest version of USB the device supports. · The bDeviceClass, bDeviceSubClass and bDeviceProtocol are used by ...
2022/11/11 · The device class code, subclass code, and protocol code are determined by the bDeviceClass, bDeviceSubClass, and bDeviceProtocol fields of the ...
2023/11/10 · bcdUSB, Informs the host of what version of USB the device supports ; bDeviceClass, 00 - The device class is defined in the Interface Descriptor
2018/05/02 · Value of BDeviceClass is 00 represents the device is finally defined on the interface.We need to find the corresponding configuration descriptor.
USB-IF subclass code for the device, qualified by the bDeviceClass value. ... A value of 0x0200 indicates USB 2.0, 0x0110 indicates USB 1.1, etc.
2012/01/09 · The USB specification defines a name for each descriptor field, such as the bDeviceClass field in the device descriptor and the ...
2023/11/09 · 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.
含まれない: bdeviceclass | 必須にする:bdeviceclass