2012/11/12 Stefano Di Martino :
>
> Original-Nachricht
>> Datum: Mon, 12 Nov 2012 11:15:25 -0200
>> Von: Wander Lairson Costa
>> An: pyusb-users@lists.sourceforge.net
>> Betreff: Re: [pyusb-users] Devices disconnects after several request
>
Original-Nachricht
> Datum: Mon, 12 Nov 2012 11:15:25 -0200
> Von: Wander Lairson Costa
> An: pyusb-users@lists.sourceforge.net
> Betreff: Re: [pyusb-users] Devices disconnects after several request
> 2012/11/12 Stefano Di Martino :
>
> >>
> >
2012/11/12 Stefano Di Martino :
>>
>> What happens if you don't call libusb_free_device_list?
>
> It crashes. Enable debug won't help, because it crashes before it can print
> debug messages.
> By the way: I've found out, that it only crashes, when a Cherry keyboard is
> attached:
>
I asked thi
Original-Nachricht
> Datum: Mon, 12 Nov 2012 08:43:33 -0200
> Von: Wander Lairson Costa
> An: pyusb-users@lists.sourceforge.net
> Betreff: Re: [pyusb-users] Devices disconnects after several request
> 2012/11/12 Stefano Di Martino :
> > Hi,
> > I
2012/11/12 Stefano Di Martino :
> Hi,
> I tested it under Linux, but there was no problem. But I tested it on an
> another Computer with Python 2.7 instead of 2.5.
> The other thing is, I can't reproduce this problem, with C.
>
> I made a simple stress test with python:
>
> This works:
>
> for i i
l-Nachricht
> Datum: Fri, 9 Nov 2012 21:42:03 +0800
> Von: Xiaofan Chen
> An: pyusb-users@lists.sourceforge.net
> Betreff: Re: [pyusb-users] Devices disconnects after several request
> On Fri, Nov 9, 2012 at 7:06 PM, Stefano Di Martino
> wrote:
> > Well, my &
On Fri, Nov 9, 2012 at 7:06 PM, Stefano Di Martino wrote:
> Well, my "solution" is nothing else than a deferment, that is,
> the problem still exists. It takes longer to show up, but is shows up!
If you can, test your pyusb code inside Linux to see if there
are similar problems or not. If there i
o"
> An: pyusb-users@lists.sourceforge.net
> Betreff: Re: [pyusb-users] Devices disconnects after several request
> Well, the only thing I can say, is, that I use libusbx under the hood.
> I've found a pretty clean solution for my problem.
>
> I just call once usb.core.find(find_all=Tru
n: pyusb-users@lists.sourceforge.net
> Betreff: Re: [pyusb-users] Devices disconnects after several request
> Yes I am here. :-)
>
> And yes you are correct. libusbx-1.0.13 and later (1.0.14 is the current
> release version) support libusb-win32 driver and libusbK driver throug
On Thu, Nov 8, 2012 at 8:57 PM, Wander Lairson Costa
wrote:
> 2012/11/8 Stefano Di Martino :
>>> Is this occurring regardless of OS or it occurs only on Linux/Windows?
>>> If Windows, what backend of libusbx are you using
>>> (winusb,libusbK,libusb-win32) ?
>>
>> I'm using libusbx[1] on Windows XP
2012/11/8 Stefano Di Martino :
> Original-Nachricht
>> Datum: Thu, 8 Nov 2012 08:36:54 -0200
>> Von: Wander Lairson Costa
>> An: pyusb-users@lists.sourceforge.net
>> Betreff: Re: [pyusb-users] Devices disconnects after several request
>
>> I
Original-Nachricht
> Datum: Thu, 8 Nov 2012 08:36:54 -0200
> Von: Wander Lairson Costa
> An: pyusb-users@lists.sourceforge.net
> Betreff: Re: [pyusb-users] Devices disconnects after several request
> Is this occurring regardless of OS or it occurs only on Linu
Original-Nachricht
> Datum: Thu, 8 Nov 2012 12:35:29 +0100
> Von: Tormod Volden
> An: pyusb-users@lists.sourceforge.net
> Betreff: Re: [pyusb-users] Devices disconnects after several request
> BTW, does "bDescriptorType=usb.DT_DEVICE" have any function
On Thu, Nov 8, 2012 at 11:15 AM, Stefano Di Martino:
> Meanwhile I think I just didn't notice this problem before, because in my
> newer versions of my project, I have a better error handling than before. My
> older versions just ignored some errors. So, I think this is a general
> problem and t
2012/11/8 Stefano Di Martino :
> Original-Nachricht
>> Datum: Thu, 08 Nov 2012 09:32:18 +0100
>> Von: "Stefano Di Martino"
>> An: pyusb-users@lists.sourceforge.net
>> Betreff: [pyusb-users] Devices disconnects after several request
>
>&
Original-Nachricht
> Datum: Thu, 08 Nov 2012 09:32:18 +0100
> Von: "Stefano Di Martino"
> An: pyusb-users@lists.sourceforge.net
> Betreff: [pyusb-users] Devices disconnects after several request
> I don't no why, but in an older version of my pro
Hi,
I'm using every 60 seconds 2 times the method usb.core.find(). After maybe
10-15 calls I get the error
"[Errno 19] No such device (it may have been disconnected)"
I don't no why, but in an older version of my project, pyUSB didn't even care
when I called this function every second! I didn't
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