Messages in this thread | | | Date | Fri, 21 Jul 2006 22:17:45 -0700 | From | Pete Zaitcev <> | Subject | Re: USB: count of reading urbs |
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On 20 Jul 2006 16:43:23 +0400, Sergej Pupykin <ps@lx-ltd.ru> wrote:
> Please, tell me. If I submit one urb, can I lost data? (If data comes when > urb callback executed)
USB by its nature requires devices to have some buffering, because polling by the host may be irregular or not often enough. So, usually there is no loss of data in such case. If you delay resubmissions enough to overrun device's internal queue, it may happen.
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