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[aprssig] TNC Sleeping

kb2scs at optonline.net kb2scs at optonline.net
Mon Jan 2 00:57:29 UTC 2006


HI Fred
             Here is a simple Basic program to take you TNC out of 
Kiss mode. I call it KissOff

A long time ago I had sent this program to the sig as I am doing now 
and someone compiled it into an exe and up loaded it to their web 
site. Do not remember the URL 

The following Basic program is MIcrosoft Quick Basic 4.5

REM KISSOFF.BAS Simple program to take tnc-2 tnc out of KISS MODE
DEFINT X-Z
DEFSTR S
CLS
INPUT "Enter Com port # here"; scom
INPUT "Enter Com baud rate here"; sbaud
OPEN "COM" + scom + ":" + sbaud + ",N,8,1,RB32000,TB32000" FOR RANDOM 
AS #1 LEN = 200
PRINT #1, CHR$(192); CHR$(255); CHR$(192)
CLOSE 1
PRINT
PRINT "TNC should be in command mode now."
END

Note due to e-mail some lines may end up as two lines and will have 
to be made one line again in order for the program to work.

If there is a demand I could make this into a Vb program which I 
would then release the source as above.


> Fred Atkinson, WB4AEJ schreef:
> 
> >    Well, I removed the lithium battery and the power cord.  Then 
I left it
> >powered down for well over thirty seconds.  When I put everything 
back and
> >powered it up, everything came back to normal.
> >
> >    What is a 'three byte incantation'?
> >
> >    73,
> >
> >
> >
> >Fred, WB4AEJ
> >
> >
> >
> A tnc running in KISS mode under tapr like firmware will stay in 
KISS
> mode even when turned off and on, the hardware way of getting out 
of it
> you have already discovered, the software way is to send the kiss 
return
> command, this is the three byte incantation, from memory this is 
0xC0
> 0xFF 0xC0.
> 
> 73 de Andre PE1RDW
> 
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Let us hope we never witness the "Silence Of The Hams"
73 DE John  KB2SCS
       E-Mail:            kb2scs at arrl.net
       APRS-SCS     http://www.tapr.org/~kb2scs
       Web Page:     http://www.qsl.net/kb2scs




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