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[aprssig] Kantronics KPC-3 comment

James Jefferson Jarvis jj at aprsworld.net
Sat Dec 31 17:55:39 UTC 2005


I want to use the TNC in command mode so it can continue to function as a 
digipeater. The application involves remote solar powered weather stations 
interfaced to a TNC and radio. I don't want to have to build digi-peating 
firmware into the weather stations.

Now if somebody would make a TNC that work in KISS mode and continue to 
function as a digipeater then that would be good.

-Jim KB0THN

On Saturday 31 December 2005 07:26, Andre PE1RDW wrote:
> James Jefferson Jarvis schreef:
> >Group -
> >
> >I'm working on an embedded APRS application that interfaces with a
> > Kantronics KPC-3. Is there a character that causes the TNC to ignore the
> > remainder of the line when in command mode? Perhaps a '#' or a '/' or
> > something? I don't have a KPC-3 on hand to play with, otherwise I'd check
> > it out.
> >
> >Thanks,
> >
> >-Jim KB0THN
>
> Why not use KISS mode?
> that way you are not limited to just the kpc-3 (altough you might need a
> few options for the commands to set it into kiss) and you have full
> controll of the frames that need to be send, the hard part like RF
> timing and bitstuffing is still handled by the tnc so even a lowgrade
> pic like the pic12F629 can handle it.
>
> 73 de Andre PE1RDW
>
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