kicad-developers team mailing list archive

[Chris Pavlina <pavlina.chris@xxxxxxxxx>]

I second this suggestion. Numerous people have been proposing this for
quite a long time in IRC, it's a popular idea. A large number of parts
are configurable, and forcing the pins to be non-configurable makes ERC
pretty weak.

On Wed, Jan 04, 2017 at 07:22:37PM +1100, Oliver Walters wrote:
> As far as I am aware, this (
> https://lists.launchpad.net/kicad-developers/msg23302.html) is the latest
> proposal for the new symbol format.
> 
> Is this the case?
> 
> Reading through this I have an idea that I think will be very useful.
> 
> Currently each PIN can only have one TYPE (INPUT, OUTPUT, OPEN-COLLECTOR,
> etc) which means that for parts with multiple alternate-functions on a pin,
> ERC is essentially useless if the pin can be used as an INPUT or an OUTPUT
> (or something else).
> 
> Further, labelling all the possible alternate functions on a pin means that
> either the symbol grows exceedingly wide, or many functions are missed.
> 
> I suggest that the pin type should have facility for alternate functions to
> be specified which would solve both of these problems. Once a symbol is
> placed in the schematic, any multi-function pins are set to "default"
> values (e.g. GPIO for a micro) but the other functions can be selected.
> 
> See proposed "addition" to format here:
> 
> http://i.imgur.com/5m38eTT.png
> 
> Cheers,
> Oliver