Recent discussions on RS485 auto direction control seem to be split over a number of threads. Here are the threads that I'm aware of: http://marc.info/?t=121805745200001&r=1&w=2 http://marc.info/?t=121690034200007&r=1&w=2 http://marc.info/?t=122821576400003&r=1&w=2 http://marc.info/?t=122822457300004&r=1&w=2 http://marc.info/?t=122954923400001&r=1&w=2 http://marc.info/?t=122964426200001&r=1&w=2 http://marc.info/?t=121566595900001&r=1&w=2 http://marc.info/?t=121805198200004&r=1&w=2 Also of interest is the set of patches by Aristeu Rozanski on http://marc.info/?l=linux-serial&r=1&b=200809&w=2 An issue related to a RS485 support is also covered in the message http://marc.info/?l=linux-serial&m=121811414618759&w=2 Apologies to all if I've missed any thing, feel free to add to the list. or some of the same on the gmane site: http://thread.gmane.org/gmane.linux.serial/2563/focus=2568 http://thread.gmane.org/gmane.linux.serial/2957 http://thread.gmane.org/gmane.linux.serial/2936 http://thread.gmane.org/gmane.linux.serial/2612/focus=2618 On Mon, 2008-12-22 at 19:02 +0100, Matthias Fuchs wrote: > Oops, > > I must admit that I was not aware of that thread. Mea culpa! > I will go through those arguments and see if I can take some > effort from that. > > Again, I will not take care of any software RS485 and I will > never use any name that contains RTS. > > I will also keep my ioctl implementation instead of any termios stuff > - when nobody contradicts. > > Matthias > > > Hello Chris, > > > > On Sun, Dec 21, 2008 at 08:50:04PM +1100, Chris Gibson wrote: > > > Two and a half weeks ago I submitted a patch to implement RS485 auto > > > direction control on either (or both) the RTS and the DTR lines with > > > varying pre and post delay settings that would work for _all_ uarts that > > > support mctrl. > > > > Just observing the case, I assume that this concern about software RS485 > > is still valid: > > > > http://article.gmane.org/gmane.linux.serial/2568 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-serial" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Christopher Gibson <chris@xxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html