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Date: Thu, 01 Sep 2016 07:21:20 +0200
From: "Bert Timmerman (bert DOT timmerman AT xs4all DOT nl) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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To: geda-user AT delorie DOT com
Subject: Re: [geda-user] IPC-D-356 netlister for pcb
References: <57C74166 DOT 20000 AT xs4all DOT nl> <CAM2RGhRYtO_5DNYNWYOVk7UDDViWWUCA0r4=V07srqACEn8OiQ AT mail DOT gmail DOT com>
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Evan Foss (evanfoss AT gmail DOT com) [via geda-user AT delorie DOT com] wrote:
> On Wed, Aug 31, 2016 at 8:43 PM, Bert Timmerman
> (bert DOT timmerman AT xs4all DOT nl) [via geda-user AT delorie DOT com]
> <geda-user AT delorie DOT com>  wrote:
>    
>> Hi list members,
>>
>> Last Sunday during my "monthly pcb code sprint" which wasn't announced on
>> the mailing list I resurrected a patch from Jerome Marchand and removed the
>> bitrot as of 2012.
>>
>> The netlist exporter lives in a topic branch for now:
>>
>> http://git.geda-project.org/pcb/log/?h=home/bert/LP996319
>>
>> Please do check out and test drive this one, so when correct and properly
>> working it can merged into the  master branch for an upcoming release
>> (candidate).
>>
>> In the mean while I will add one or more tests for it (golden files etc.) to
>> allow for automatic regression testing.
>>
>> I hope to hear from you.
>>      
> That is cool. What is this format predominantly used to talk to?
>
>    
>> Kind regards,
>>
>> Bert Timmerman.
>>      
>
>
>    
Hi Evan,

To answer your question with a quote from a google search on the subject:

<quote>

Purpose:
The IPC-D-356 format was designed to define a standard netlist format by 
which bare
board test information can be represented. In the simplest of forms, 
this means it must be
able to store netlist information along with XY coordinates, and even 
reference
designators and pin numbers (if they exist). I feel like ending this 
article here before it
gets unmanageable, but then Pete Waddell wouldn’t be happy, so let’s 
proceed. If all the
information that a test system would need to know to verify and test a 
bare board could
be represented in a single file, it would bring consistency to the 
testing world. IPC-D-
356 does just that.

Does it work?
Yes. You will find that virtually all the test equipment manufacturers 
either support the
IPC-D-356 format now, or are in the process of supporting it. Are there 
problems with
it? Of course. Certain special pad types are not supported and additions 
could be made
which would assist computer aided repair stations, but all in all it’s 
pretty good.

</quote>

Found with the following link:

http://www.downstreamtech.com/cam-advisories/IPCD356_Simplified.pdf


The IPC organisation gives:

http://www.ipc.org/TOC/IPC-D-356B.pdf

for a short introduction and index to the description of the complete 
standard.

Kind regards,

Bert Timmerman.