Greetings: I presume the server connects via networking. Can you configure a dedicated software port that holds the GPI port status rather than the file? You give no indication how often you expect the GPI port status to change other than often enough to worry about flash memory life. You currently ...

Greetings: [ Vision limited retired video engr here. ] My son gave me the pi B he got free attending F8. Setup went fine using LAN to update,etc. Used Noobs to install Raspbmc on Noobs microSD. Edited config.txt to lower HDMI res for Raspian and was able to reduce non-movie res in XBMC, but have not...