Hello to All-
I am trying to do something and I just can't break through the fog to see how this may be accomplished;
Assign an alias to a port pin on a port expander.
I know how to do it with a port/pin on the uProc but I just can't figure it out.
The port expander is using SPI and each expander has its own chip select.
How can you alias GPB.2 on chip2 from GPB.2 on chip3?
What am I missing? Can it be done? Should it be done?
I get that aliasing is somewhat lazy but it makes for clear code!

Anyone done this?
-Stumped......