Re: [libusb] windows isochronous transfer

[Sameeh J. <sa...@da...>]

On Thu, Nov 23, 2017 at 9:25 AM, Accio via libusb-devel <
lib...@li...> wrote:

> Can you give me some more details about using UsbDk?
>
> I've:
>
> - compiled and installed (MinGW) the libusb enabling usbdk (--enable-usbdk)
>
> - installed the official usbdk msi
>
> - executed UsbDkController -i to install usbdk driver
>
> After this my application no longer gives "unsupported" error but after a
> while freezes the system (I need to restart by power button) giving no
> errors.
>
Which version of UsbDk are you using?
please make sure you are using the latest release which can be found here:
https://github.com/daynix/UsbDk/releases
Which Windows version are you using?
Can you provide libusb debug log?

>
> There's some passage I've missed?
>
> There's something I can try?
>
>
>
> On 22/11/2017 21:12, Sameeh Jubran wrote:
>
> You can try and use UsbDk as a backend instead of WinUsb, it supports
> isochronous transfers.
>
> On Nov 22, 2017 22:06, "Tim Roberts" <ti...@pr...> wrote:
>
>> Accio via libusb-devel wrote:
>> >
>> > does actual (v1.0.21) version supports isochronous transfer on Windows
>> > out of the box?
>> >
>> > I've compiled the library under MinGw, all other stuffs works flawless
>> > but isochronous transfer gives 'LIBUSB_ERROR_NOT_SUPPORTED' on the
>> > libusb_submit_transfer.
>>
>> May I ask why you are using isochronous?  There are very, very few
>> compelling use cases for isochronous pipes, and those use cases are
>> generally covered by system-supplied drivers.
>>
>> --
>> Tim Roberts, ti...@pr...
>> Providenza & Boekelheide, Inc.
>>
>>
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>
>
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-- 
Respectfully,
*Sameeh Jubran*
*Linkedin <https://il.linkedin.com/pub/sameeh-jubran/87/747/a8a>*
*Software Engineer @ Daynix <http://www.daynix.com>.*