> Unless someone has a better idea, I will try to implement this and > see where it gets me. I suspect it is a really special case for your system but it should be clean enough. > > Just what rate is your device running ? > > High speed USB = ~ 40 MByte/s. > There is no actual communication line involved. I use CDC-ACM as just > a convenient interface to pump data. Ok so you are indeed out of my design spec. In fact I'm rather pleasantly suprised you can do 40MBytes/sec through the tty layer. > networking. Making the serial layer robust for high transfer rates > would be a step forward, I think. Some of the 3G phone stuff pushes rather high speeds but not the kind of rate you are doing, it certainly does no harm. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html