In USB terminology, descriptors are used to inform the host PC system what capabilities are supported by a USB device as well as specific device characteristics ...

2022/01/25 · Symptom: "Realtek USB 2.0 Card Reader" becomes "Unknown USB device (device descriptor request failed)" and won't read TF cards.

First of all, make a right-click on the battery icon and select 'Power Options' and then select Change plan settings.

I tried loading usbd_lib_cdc_uart from lpcopen library but I have same output from $lsusb -v which is two interrupt endpoints in just one interface (HID class).

2023/01/20 · My dear friends,. I just built a custom MPSoC board. On this board, I assigned USB1 as the USB 3.0 Device. (And USB0 is host).

Dear Silabs forum members, I would submit you a strange case of USB use of a EFM32LF380... I designed my personal board where the uC is configured as USB ...

2024/01/17 · USB デバイスは、USB 構成と呼ばれる一連のインターフェイスの形式でその機能を公開します。

When i plug in my usb device I get the following errors: usb 1-1: new high-speed USB device number 2 using xhci-hcd. usb 1-1: device descriptor read/64, ...

2024/04/12 · 転送では、要求の種類は GET DESCRIPTOR で、受信者はデバイスです。 クライアント ドライバーは、フレームワーク USB ターゲット デバイス ...

Hi there, I am having this issue connecting my own personal pcb to computer. Device manager shows USB device descriptor request failed.