![]() I vaguely understand that as a USB device, I can update the firmware to present to Windows feature descriptors that it'll use to load the right drivers but can this be done to present the device as belonging to two separate device classes? This post seems to indicate yes, but I'm not sure. The problem is: I'm not sure how to accomplish this task. I want the device to be seen as an audio as well as a generic USB one so I can execute future vendor commands without having to do the driver swap again. It will work on a 圆4 version of Windows 10 LTSB 1607. cat digital signature from WindUSB Audio 2.0 drivers) I have attached the 圆4 version of USB Audio 2.0 drivers from Microsoft extacted from WindPro that was installed on a virtual machine. What I'd prefer to do, however, is to not swap out usbaudio.sys, but instead keep it and add winusb.sys. because for some reason Windows 10 LTSB 1607 doesn't accept the. The boards update and everything is happy. Swapping out the driver for winusb.sys enable me to execute transfer control commands and do the flashing. In order to flash the board, I swap out the default driver ( usbaudio.sys) that Windows assigns automatically with winusb.sys. The specs for the board describe custom vendor commands that I used to update the firmware and develop a console app that can be distributed into the field and flash the boards for us. Portable 32-bit/384KHz Premium Hi-Fidelity USB-CTM Digital to Analog Audio Converter 1 items Reset Consumer. ![]() There were some issues with the firmware (written by a 3rd party) that I was able to fix. Microsoft Azure Stack HCI GIGABYTE VDI Solution with Virtual GPU RAIDIX 5.X for GIGABYTE platforms. Our product consists of an Intel NUC and a custom board housing an audio microcontroller. I'm posting this question in part to confirm my understanding of composite devices, but also to hopefully get some direction on how to proceed with a very specific task.
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