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Re: New part file format document.
On Wed, 15 Dec 2010, Wayne Stambaugh wrote:
On 12/15/2010 7:19 AM, Brian Sidebotham wrote:
I would have thought there would need to be a way in the syntax of
showing what was a selectable/finished part and what was merely a
"symbol" or partial part which should not be allowed to be entered
into the schematic directly.
The possibility of adding _just_ symbols with pin function definitions
should be allowed for flexibility. For discrete and component array design
this is very convenient. For example ona may draw the logic with discrete
transistors (without any consideration on actual components), then
breadboard the stuff and finally decide to take Q1, Q3 and Q4 to Q6 from
the transistor array in production.
If you don't have any objections, I'll update the specification.
Pin and gate swap brought some questions. How to handle the input equality
in the example NAND gate? Currently there is no pin swap example and
pin_renum seems to be one possible way for gate swap. Some thought for
automatic and dynamic text positioning for values and designators might
be in order to allow rotation and mirroring without rotated and mirrored
text. It may need something more than just justification hints, but I've
got some ideas how to do it without part file support. Otherwise I think
new part file format is approaching perfection :)