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        Tue, 21 Mar 2017 11:33:51 -0700 (PDT)
Date: Tue, 21 Mar 2017 19:33:46 +0100
From: "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] pdf -> sym generator
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> John:
> > On 03/20/2017 10:12 AM, karl AT aspodata DOT se wrote:
> > > That together with [4] and pintosym.pl [5] creates the symbol files
> > > in [6]:
> > 
> > 
> > I like your long names in smaller text for each pin.
> >  Were those auto extracted, or did you edit a file to guide that?
> 
> Yes, they are auto generated from the alternate function columns.
> 
> Pintosym lets you search for text in the pin names and alt.func. names 
> and when found, it puts that in normal size instead of the normal pin 
> name. E.g. stm32f107.can.LQFP64.sym is generated by searching for pin 
> names with "CAN" in it, the normal pin names like PD12 is then demoted
> the small font line and the searched for text like CAN2_RX is made to
> stand out. Seems that I'm also dropping the "_" in names on the small 
> font line.
> 
> I am also contenplating the idea of adding a "r" to the remap
> alternatives. E.g. pin PC7 has alt.function I2S3_MCK and
> remap alternative TIM3_CH2, so I think that maybe using the name
> TIM3_CH2r or rTIM3_CH2 for the remap alternative could be helpful.
> That would also give you the opportunity to no to show remap functions
> in the symbol file.
> 
> ST also have a column for identifing 5V tolerant pins, how do I convey 
> that in a symbol ?

Just add a suitable attribute to the pin, "U.max" or maybe "Umax" if "." in an attribute name is a problem? Or is there already a standard attribute name?

"description", "documentation" and "comment" are available in the list of more or less standard attributes in gschem.