kicad-developers team mailing list archive

[Wayne Stambaugh <stambaughw@xxxxxxxxx>]

Orson,

Did you ever respond to Jon about this?  I guess the question is whether
or not to show invisible pins in the component chooser.

Cheers,

Wayne

On 1/15/2018 9:31 PM, Jon Evans wrote:
> Hi Orson, patch is attached again, hopefully it goes through this time.
> 
> Thanks,
> Jon
> 
> On Mon, Jan 15, 2018 at 4:24 AM, Rene Pöschl <poeschlr@xxxxxxxxx
> <mailto:poeschlr@xxxxxxxxx>> wrote:
> 
>     On 15/01/18 10:00, Maciej Sumiński wrote:
> 
>         Perhaps we should have an ERC rule
>         that warns about invisible pins being connected to a wire, any
>         thoughts?
> 
> 
>     Invisible pins are used for three distinct applications.
> 
>     The first one is to remove clutter by hiding pins that should not be
>     connected. ERC will complain if you connect such pins if they have the
>     electrical type "Not connected".
> 
>     The second application is to create "power labels". A invisible power
>     input pin is handled as a global label. These pins are meant to be
>     connected.
> 
>     The third application is again to remove clutter by stacking pins. Here
>     you have one visible pin and several other invisible pins at the same
>     location. (Normally all these pins have the same name and electrical
>     type. With the exception of power input pins, power output pins and
>     output pins.)
>     Such pins are again meant to be connected.
> 
>     This means a ERC rule that complains about connecting hidden pins will
>     create too many false positives. Having a lot of false positives means
>     users will start to ignore ERC output.
> 
>     It might be a good idea to have a symbol checker that complains if
>     invisible pins are used differently than i described above.
>     In other words: complain for invisible pins if they are not part of a
>     stack or of types NC or power input.
> 
> 
> 
> 
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