Re: [libusb] libusb_control_transfer return -1 errorno 16

[Xiaofan C. <xia...@gm...>]

On Fri, Aug 6, 2021 at 8:20 PM 俊哲 <873...@qq...> wrote:
>
> Hi I somehow must send that vender defined via functions, so I don't think
> DFUutil is the way to go . By the way ,the photo attachment is how I successfully
> sent  these 3 byte commands via Bus Hound tool , is it might become I
> didn't properly fill out the parameters of the that libusb transfer function correctly ?

>From the screenshot, your device is not complaint to DFU, rather it is
an HID device. In that case, of course you can not use dfu-util.

For HID device, we recommend you to use HIDAPI and not libusb.
https://github.com/libusb/hidapi

-- 
Xiaofan