[Xastir] Xastir without X-Windows?

[Drew]

Thanks for the info, I started reading the aprsd documentation last 
night. That development was precisely what I've been trying to avoid, 
but it looks like I might not be able to. Is my idea really that 
unusual? What are other people using to implement a mobile tracker that 
has two-way communication abilitities? (ie to issue a cut-down command)

~Drew

J. Lance Cotton wrote:

> Xastir won't work without X, and I would consider it a bit hefty for 
> this job.
>
> One way to do what you're talking about is to set up the computer to 
> use Linux's Kernel AX.25 connection to the TNC and then run aprsd 
> locally. You can then write perl scripts that connect to ports on 
> aprsd and can pass packets out to the TNC and listen to what's coming in.
>
> It ought not be too hard to write or find some perl code to parse a 
> GPS sentence into the APRS position format, or even the APRS 
> compressed position report.
>
> You can connect many various perl scripts to aprsd for various tasks, 
> like listening for a special APRS message packet for balloon cutdown, 
> etc.
>
> Of course, this would require quite a bit of development, but I bet 
> much of it has already been done.
>
> But Xastir is probably not the best way to get GPS sentences to an 
> APRS TNC on a headless box...
>
> -Lance KJ5O
>
> Drew wrote:
>
>> Greetings to everyone on the list! I am currently involved in a 
>> project using both aprs and packet radio, and am finding the learning 
>> curve to be rather steep but I'm realling hoping someone here can 
>> help me out. Here's the situation....
>>
>> I'm running linux (Bering) on a small single-board computer. (Soekris 
>> Engineering net4511) This computer has no video/keyboard, all i/o is 
>> via a serial console or remote terminal. The idea is to send this 
>> little guy to 80K-100K feet using a large weather balloon. 
>> Communication with the balloon will be via packet radio and the 
>> balloon will report its position using APRS.
>>
>> Or at least that's the idea. The computer has several serial ports, 
>> into which are plugged a gps receiver and a tnc. After I get AX.25 
>> installed/configured then what? I believe I need some sort of APRS 
>> "server" to listen to the gps and transmit the occasional APRS 
>> packet. In reading the xastir documentation it looks like I'd 
>> configure two interfaces, an AX.25 interface and a serial gps 
>> interface. Xastir then listens to the gps and transmits via the ax.25 
>> interface. But how do I do all of this without X-Windows? The 
>> documentation says xastir requires x-windows. This makes sense for 
>> the tracking/mapping functionality, but what about the basic "server" 
>> (listen to gps, transmit aprs) functionality? Can Xastir do this? Am 
>> I even looking in the right direction? Any information regarding any 
>> of this would be so hopefull, I've spent hours scouring the web and 
>> am more confused than when I started. MANY MANY thanks to anyone that 
>> has a chance to reply to this.
>>
>> ~Drew
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>
>
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