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2024/1/17 -The host obtains the device descriptor through a control transfer. In the transfer, the request type is GET DESCRIPTOR and the recipient is the ...

USB Descriptors. All USB devices have a hierarchy of descriptors which describe to the host information such as what the device is, who makes it, ...

2024/1/17 -A USB device provides information about itself in data structures called USB descriptors. This section provides information about device, ...

A Get Configuration Descriptor fetches the descriptors for just one configuration depending on the descriptor index in wValue of the SETUP packet. Most devices ...

The Device Descriptor (USB_DEVICE_DESCRIPTOR) is the root of the descriptor tree and contains basic device information. The unique numbers, idVendor and ...

Set Descriptor/Get Descriptor is used to return the specified descriptor in wValue. A request for the configuration descriptor will return the device ...

2023/11/10 -The purpose of the device descriptor is to let the host know what specification of USB the device complies with and how many possible ...

Descriptor Types-Device Descriptor-Interface Descriptor

USB devices report their attributes using descriptors, which are data structures with a defined format. Each descriptor begins with a byte-wide field ...

Get the USB configuration descriptor for the currently active configuration. More... int, libusb_get_config_descriptor (libusb_device *dev, uint8_t config_index ...

2024/3/6 -Use USB Tree Viewer on Windows. ... You may have to run it as administrator to get HID Report descriptor. Just select your USB device in tree view ...