Re: [libusb] windows isochronous transfer

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

On Thu, Nov 23, 2017 at 11:50 AM, Accio <ac...@ya...> wrote:

> I've installed UsbDk_1.0.19_x64.msi
>
> After installation the "driver details" panel of my device does not lists
> UsbDk.sys while for other devices (like the USB root hub) does.
>
> My device is a composite one.
>
> On driver details there are:
>
> - winusb.sys
>
> - WdfCoInstaller01011.dll
>
> - WinUSBCoInstaller2.dll
>
Please uninstall Winusb first and then again try using UsbDk.

>
> Where should I found the libusb debug log?
>
>
> Thank you
>
>
>
> On 23/11/2017 09:47, Sameeh Jubran wrote:
>
>
>
> On Thu, Nov 23, 2017 at 10:40 AM, Sameeh Jubran <sa...@da...> wrote:
>
>>
>>
>> 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
>>>
>> Installing the msi is sufficient, you don't need to run "UsbDkController
> -i" too, the installer already does this.
> When UsbDk is installed the UsbDk.sys driver attaches itself to usb
> stacks, you can easily make sure that it is successfully loaded by
> going to device manager-> choose a USB device (preferably not a
> composite), right click and choose properties -> go to "Driver" tab ->
> click on "driver details"
> UsbDk should show up in the list, if it doesn't it means it is not loaded
> for this device.
>
>> 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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>>>> lib...@li...
>>>> https://lists.sourceforge.net/lists/listinfo/libusb-devel
>>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
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>>>
>>>
>>>
>>> _______________________________________________
>>> libusb-devel mailing lis...@li...://lists.sourceforge.net/lists/listinfo/libusb-devel
>>>
>>>
>>>
>>> ------------------------------------------------------------
>>> ------------------
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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>.*
>>
>
>
>
> --
> Respectfully,
> *Sameeh Jubran*
> *Linkedin <https://il.linkedin.com/pub/sameeh-jubran/87/747/a8a>*
> *Software Engineer @ Daynix <http://www.daynix.com>.*
>
>
>


-- 
Respectfully,
*Sameeh Jubran*
*Linkedin <https://il.linkedin.com/pub/sameeh-jubran/87/747/a8a>*
*Software Engineer @ Daynix <http://www.daynix.com>.*