I have a working pins_arduino.c with the additional pins added after the analog in the order I transcribed them from the drawing. My test work, although I am not sure I didn’t reverse the order from what I intended in starting. At this point I am unsure if it is forward or backward. I am also uncertain if I should have placed them before the analog entries or not. I now think I understand the files well enough to do it either way. Anyway if there is a place to put such things please tell me.
I would attach it, but the bbs has an issue with .c files so I can’t