> Transferring 40B/s isn't much of a problem for USB. The question is how > sensitive is your application in terms of delay and jitter. You didn't > specify your RT requirements but from what you wrote, i.e. you've been > happy using PCIe boards, it seems that USB may be not the right > solution. I don't have any precise numbers but there have been a number > studies on this matter, e.g. [1]. The conclusion was more or less that > USB is fine for soft real-time application that can tolerate > delay/jitter in the ms order. Thanks for the information. It seems as if the 1ms cycle requirement that has to be fulfilled is not really realistic... It seems to be better to stay with something non-USB. Regards Mathias -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
