Re: How do you Usb multifucntion device driver

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On Feb 22, 9:20 am, "Bruce" <quet_zal_co...@xxxxxxxxxxx> wrote:
I've got a custom usb device with 1 iso port, but it have two different
format data. how do Usb multifunction device driver? but not use
usbccgy.sys.

I'll try to answer your cryptic question.

If you have a multifunction USB device but you don't want to use
usbccgp.sys with it, then make the device non-composite (device
descriptor -> classcodes 0xFF/0xFF/0xFF) and write your own USB
function driver.
.

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