Re: [Libusbx-devel] Problem with transfers in parallel

2014-01-06 Thread Anguel Stankov
Hi all! It looks like that the problem was caused by that specific embedded Linux I was using. On other Linux and Windows OS everything seems to work fine. Many thanks to Matthias Bolte for his help and advice. Regards, Anguel --

Re: [Libusbx-devel] Problem with transfers in parallel

2013-12-28 Thread Anguel Stankov
Hi Matthias, Thank you for the reply. Am 23.12.2013 12:15, schrieb Matthias Bolte: > > I think there could be two reasons for this problem: > > 1) There is a bug in libusbx, your specific usage pattern triggers it > and in the end your transfer is lost. Are you using the latest > release/git vers

Re: [Libusbx-devel] Problem with transfers in parallel

2013-12-23 Thread Matthias Bolte
2013/12/22 Anguel Stankov : > Hi Matthias, > > Thank you very much for your reply and sorry for my delayed answer. > > So once again to sum up, I have the following scheme: > (a) On EP1 I have short periodic status transfers from device to host, > e.g. every 250 ms. These can be "bulk in" or "inter

Re: [Libusbx-devel] Problem with transfers in parallel

2013-12-22 Thread Anguel Stankov
Hi Matthias, Thank you very much for your reply and sorry for my delayed answer. So once again to sum up, I have the following scheme: (a) On EP1 I have short periodic status transfers from device to host, e.g. every 250 ms. These can be "bulk in" or "interrupt in" type. (b) I have large data tr

Re: [Libusbx-devel] Problem with transfers in parallel

2013-12-20 Thread Matthias Bolte
2013/12/20 Anguel Stankov : > Hi! > > I have also posted my question in the libusb list but got no reply so far, > so I try my luck here. I hope that there are more experts reading here. My > question is whether submitting multiple transfers in parallel and handling > the results (by checking in th