[Xastir] KISS TNC tx delays

[Matt Werner]

----- Original Message ----- 
From: "Curt, WE7U" <archer at eskimo.com>
To: "Matt Werner" <kb0kqa at arrl.net>
Cc: <xastir at xastir.org>
Sent: Friday, February 13, 2004 9:43 AM
Subject: Re: [Xastir] KISS TNC tx delays


> On Fri, 13 Feb 2004, Matt Werner wrote:
>
> > This is actually a thread I brought up around Dec 1, 2003.
> >
> > At the time I noticed that the STA light on my 9612 in KISS mode would
light
> > up and stay lit for a long period of time before an actual transmission
> > occured (maybe 10 seconds).  This isn't as big of an issue for regular
> > position transmits, but is more of a problem for messages and a large
> > problem when my station is acting as a RELAY.
> >
> > Curt worked with me (THANKS) and got the delay down to less than 2
seconds.
> >
> > The delay is back again.  I noticed it a week or two ago - hard to say
how
> > long it's actually been there - I don't update from CVS on a regular
basis
> > and don't watch the system real close afterwards.  Right now I'm looking
at
> > about 9 seconds from when xastir starts talking to the TNC to when it
> > actually transmits on a clear channel.
>
> Well, let me first say that you're on top of things!
>
>
> > File/Configure/Timing/Serial Inter-Char Delay is at 0.
> >
> > The ideal I think would be less of a delay than the 2 seconds we had it
down
> > to.  Back when
> > I ran JNOS and TNOS, we didn't see any noticable delay other than what
would
> > have been expected due to the baud rate - that is, at 19200, the STA
light
> > would typically just flicker for the shorter packets.
>
> Nine seconds sounds about right, unless you update to the latest
> CVS, checked in 17 hours ago.  It had been noticed that the tnc-stop
> file wasn't given enough time to get flushed to the TNC when closing
> a port.  Three separate 2-second delays were added, which is
> probably the version you have now.

I updated from CVS about an hour ago.  The long delay is still there.  My
understanding is that the tnc-stop file shouldn't be used for a KISS
interface though, correct?

73 - Matt