Good luck for your project. Michael Am 10.08.2014 um 16:22 schrieb Paolo Garro:
> Hi Michael, > The Matthias implementation handles flow control once for each line. > That's ok for me. > Perhaps XON XOFF are not the right names... The goal is to manage a > ready/busy flag. > The canonical SW flow control might work different but also the > echo control is not a standard. > Using both of these we can write a good serial (custom) interface. > Com device must be used with NO flow control being our a SW level > infomation rather than a communication state. > > Paolo > > Inviato da Samsung Mobile > > -------- Original message -------- > Subject: Re: [Amforth] R: Re: R: Re: R: Re: HW flow control > From: Michael Kalus <mik.ka...@gmail.com> > To: Everything around amforth <amforth-devel@lists.sourceforge.net> > CC: > > Never forget: xon/xoff is for *single* character exchange - send one, > get echo, check it, send another one... > Sender must interpret *each* echo character immediately and stop at > xoff at once. > Use xon/xoff to connect two amforth devices via TXD/RXD. > Or on a PC use a sending tool able to do that. amforth shell is such > a tool. > > If you send ascii to amforth using a terminal emulator on your PC via > a USB-serial converter, forget xon/xoff. > There will be huge blocks of characters already send to the > pipeline of USB, overrunning your forth target, before any terminal > emulator will notice the xoff. > > Or do you have a USB-serial converter that handles xon/xoff ? > > Michael > > > > Am 10.08.2014 um 14:34 schrieb Paolo Garro: > >> Hi Matthias, >> Does REFILL load a single line? >> In a multiline colon definition is it called for each line? >> If so I think the best place to handle XON/XOFF is QUIT itself. >> At the begin of the loop after calling REFILL assert XOFF and >> before closing the loop assert XON. >> That way transmission is blocked while the interpreter is working >> including the case of an error answer (xxx ?? -nn nn) and, on the >> other side, I will receive an XON at the end of each answer. >> >> Paolo >> >> Inviato da Samsung Mobilenull >> --------------------------------------------------------------------- >> - >> -------- >> _______________________________________________ >> Amforth-devel mailing list for http://amforth.sf.net/ >> Amforth-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/amforth-devel > > > ---------------------------------------------------------------------- > -------- > _______________________________________________ > Amforth-devel mailing list for http://amforth.sf.net/ > Amforth-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/amforth-devel > ---------------------------------------------------------------------- > -------- > _______________________________________________ > Amforth-devel mailing list for http://amforth.sf.net/ > Amforth-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/amforth-devel ------------------------------------------------------------------------------ _______________________________________________ Amforth-devel mailing list for http://amforth.sf.net/ Amforth-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/amforth-devel
