Re: gEDA-user: gEDA Symbols

2007-03-06 Thread Stuart Brorson

How can I create gEDA symbols for unsupported parts ??


U, you draw them using the symbol editor?

Usually, I start with a symbol similar to the one I want.  I place it
on the schematic, select it, do right mouse - down symbol, and this
places me in a mode where I can edit the symbol.  Make sure to turn on
all invisible attributes.  Then edit away.  Use pinout info from the
part's datasheet.

Stuart


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Re: gEDA-user: gEDA Symbols

2007-03-06 Thread John Coppens
On Tue, 6 Mar 2007 13:18:02 -0400
Felipe Balbi [EMAIL PROTECTED] wrote:

 How can I create gEDA symbols for unsupported parts ??
 

Hi Felipe.

If you mean symbols for gschem, check this:

http://geda.seul.org/wiki/geda:faq-gschem

If you mean footprints for PCB:

http://www.brorson.com/gEDA/
http://geda.seul.org/wiki/geda:pcb_tips

John

(Maybe useful - in Spanish:
http://jcoppens.com/soft/howto/geda-spice/part3.php)


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Re: gEDA-user: gEDA Symbols

2007-03-06 Thread Stuart Brorson

Here's some documentation about drawing symbols:

http://geda.seul.org/wiki/geda:scg



On Tue, 6 Mar 2007, Felipe Balbi wrote:


How can I create gEDA symbols for unsupported parts ??

Thanks in advance

--
Best Regards,

Felipe Balbi
[EMAIL PROTECTED]


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Re: gEDA-user: gEDA Symbols

2007-03-06 Thread Felipe Balbi

Hello all,

Thanks to everybody...

I'll start creating symbols for gEDA. I want to use some ATMEL
processors in my designs and I didn't see them in gEDA's symbol
database. As soon as I get them done, I'll send them to be added in
the symbol database.

Thanks a lot guys.



BTW, does anybody here know where are the code portion that reads the
.sym files and shows the symbol itself ?

I'm wondering to develop something in this area, maybe some XML-like
file and a symbol creation program.. What do you guys think about it ?


On 3/6/07, Stuart Brorson [EMAIL PROTECTED] wrote:

Here's some documentation about drawing symbols:

http://geda.seul.org/wiki/geda:scg



On Tue, 6 Mar 2007, Felipe Balbi wrote:

 How can I create gEDA symbols for unsupported parts ??

 Thanks in advance

 --
 Best Regards,

 Felipe Balbi
 [EMAIL PROTECTED]


 ___
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 geda-user@moria.seul.org
 http://www.seul.org/cgi-bin/mailman/listinfo/geda-user



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--
Best Regards,

Felipe Balbi
[EMAIL PROTECTED]


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Re: gEDA-user: gEDA Symbols

2007-03-06 Thread DJ Delorie

 I'll start creating symbols for gEDA. I want to use some ATMEL
 processors in my designs and I didn't see them in gEDA's symbol
 database. As soon as I get them done, I'll send them to be added in
 the symbol database.

http://www.gedasymbols.org/scripts/search.cgi?key=atmel

http://www.gedasymbols.org/

 BTW, does anybody here know where are the code portion that reads the
 .sym files and shows the symbol itself ?

I have a sym2eps tool here: http://www.gedasymbols.org/user/dj_delorie/

There's a djboxsym there too, which is a symbol creation helper.

 I'm wondering to develop something in this area, maybe some XML-like
 file and a symbol creation program.. What do you guys think about it ?

First, there's a bunch of existing symbol-maker helpers out there, so
make sure you're not doing something that's already been done.

Second, if it hasn't been done, don't let all those other helpers stop
you from making another one.  It seems to be a competition to see how
many different helpers we can come up with :-)


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Re: gEDA-user: gEDA Symbols

2007-03-06 Thread Ben Jackson
On Tue, Mar 06, 2007 at 01:56:48PM -0500, DJ Delorie wrote:
 Second, if it hasn't been done, don't let all those other helpers stop
 you from making another one.  It seems to be a competition to see how
 many different helpers we can come up with :-)

You just take your initials and add 'boxsym' to the end!

By the way, I'd recommend that new boxsym hackers take a look at bjjboxsym.
I tried to generalize the internals a bit.  You can do things like draw
symbol objects in transformed coordinate spaces.  The idea was to be able
to plug in layout classes that would do whatever you want.

-- 
Ben Jackson AD7GD
[EMAIL PROTECTED]
http://www.ben.com/


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Re: gEDA-user: gEDA Symbols

2007-03-06 Thread Stuart Brorson

I'll echo DJ's comment:  First take a look around to see what's
already out there w.r.t. symbol creation utilties.  You may be able to
use or modify one of them instead of writing your own.


BTW, does anybody here know where are the code portion that reads the
.sym files and shows the symbol itself ?


Both .sym and .sch files are read by functions in the libgeda/src
directory.  In particular, look at f_read.c and at a_basic.c:o_read().

Stuart


On Tue, 6 Mar 2007, Felipe Balbi wrote:


Hello all,

Thanks to everybody...

I'll start creating symbols for gEDA. I want to use some ATMEL
processors in my designs and I didn't see them in gEDA's symbol
database. As soon as I get them done, I'll send them to be added in
the symbol database.

Thanks a lot guys.



BTW, does anybody here know where are the code portion that reads the
.sym files and shows the symbol itself ?

I'm wondering to develop something in this area, maybe some XML-like
file and a symbol creation program.. What do you guys think about it ?


On 3/6/07, Stuart Brorson [EMAIL PROTECTED] wrote:

Here's some documentation about drawing symbols:

http://geda.seul.org/wiki/geda:scg



On Tue, 6 Mar 2007, Felipe Balbi wrote:

 How can I create gEDA symbols for unsupported parts ??

 Thanks in advance

 --
 Best Regards,

 Felipe Balbi
 [EMAIL PROTECTED]


 ___
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 geda-user@moria.seul.org
 http://www.seul.org/cgi-bin/mailman/listinfo/geda-user



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--
Best Regards,

Felipe Balbi
[EMAIL PROTECTED]


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Re: gEDA-user: gEDA Symbols

2007-03-06 Thread Felipe Balbi

Hello Dj,


http://www.gedasymbols.org/scripts/search.cgi?key=atmel

there's already lots of ATMEL chips there... I'll modify one of them
to add my AT91SAM9261 and send to geda-symbol maintainers.



 BTW, does anybody here know where are the code portion that reads the
 .sym files and shows the symbol itself ?

I have a sym2eps tool here: http://www.gedasymbols.org/user/dj_delorie/

There's a djboxsym there too, which is a symbol creation helper.

 I'm wondering to develop something in this area, maybe some XML-like
 file and a symbol creation program.. What do you guys think about it ?

First, there's a bunch of existing symbol-maker helpers out there, so
make sure you're not doing something that's already been done.

Second, if it hasn't been done, don't let all those other helpers stop
you from making another one.  It seems to be a competition to see how
many different helpers we can come up with :-)

Actually I was thinking about gschem source code itself... where is
the code that it parses the  .sym files... where is the .sym
language defined... Maybe an XML-like file would be a lot easier to
understand. And, also, a lot easier to write part generators.

I'll check that on geda-dev list. ;-)


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Felipe Balbi
[EMAIL PROTECTED]


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Re: gEDA-user: gEDA Symbols

2007-03-06 Thread Felipe Balbi

Hello Stuart,

On 3/6/07, Stuart Brorson [EMAIL PROTECTED] wrote:

I'll echo DJ's comment:  First take a look around to see what's
already out there w.r.t. symbol creation utilties.  You may be able to
use or modify one of them instead of writing your own.

 BTW, does anybody here know where are the code portion that reads the
 .sym files and shows the symbol itself ?

Both .sym and .sch files are read by functions in the libgeda/src
directory.  In particular, look at f_read.c and at a_basic.c:o_read().


Thanks a lot for you comments, that's what I was looking for :-)


--
Best Regards,

Felipe Balbi
[EMAIL PROTECTED]


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Re: gEDA-user: gEDA Symbols

2007-03-06 Thread Stuart Brorson

Actually I was thinking about gschem source code itself... where is
the code that it parses the  .sym files... where is the .sym
language defined...


http://geda.seul.org/wiki/geda:file_format_spec


Maybe an XML-like file would be a lot easier to
understand. And, also, a lot easier to write part generators.


This is flame-bait.  :-)

We've discussed XML file formats several times in
the past.  There are lots of reasons to *not* use XML.  Google will
help you find them.

Stuart



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