[Xastir] rtl_ais

[Menga]

Curt
For running ais.pl, in the head comment, it is written the script:   ./ais.pl boats <passcode> [--pipe] [—logging]
I changed boats with my callsign, then I enabled server ports in Xastir.
The script was executed correctly without the previous error on the passcode, and the program was waiting for messages to send, without time out (time out appeared if the server ports were not enabled).
Conclusions: in the script “boats” is a placeholder for the callsign,  the server port on Xastir has to be enabled to guarantee the communication. Contrary to my belief, no cross control is performed from the callsign in Xastir and the passcode in ais.pl, but directly from the data in the script.

I’m not on the sea to receive AIS messages, but I think that the program now works.

Thanks again for the suggestion
Giuseppe
IZ1GCL

-----Messaggio originale----- 
From: Curt, WE7U 
Sent: Tuesday, May 29, 2018 10:54 PM 
To: Xastir - APRS client software discussion 
Subject: Re: [Xastir] rtl_ais 

On Tue, 29 May 2018, Menga wrote:

> In fact I followed the comments on top of the file ais.pl.
> I was able to compile and run the ais decoder rtl_ais, I executed xastir, but 
> when I started, with a script, ais.pl I get the answer:
> Received NACK from Xastir: Callsign/passcode don't match?
> My callsign is written in the running instance of  Xastir, and the passcode 
> is passed by the script to ais.pl.
> BTW  my callsign and passcode are well tested because I use them in other 
> APRS programs.
> I read: ais.pl creates a UDP server  at localhost:10110 for the ais decoder, 
> decodes AIS sentences, creates APRS packets and send them to Xastir's server 
> port (2023) via UDP.
>
> I even created in Xastir a new internet interface localhost:2023, but I 
> receive always the same answer from ais.pl.

Did you do "Interface"->"Enable Server Ports" in Xastir? That enables Xastir's port 2023.

If so, it could be a firewall that is preventing them from talking.

-- 
Curt, WE7U.        http://we7u.wetnet.net
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