adding HAS_OLED to build vars to guard in place of using OLED_SDA

sudomesh / disaster-radio

A (paused) work-in-progress long-range, low-bandwidth wireless disaster recovery mesh network powered by the sun.

https://disaster.radio

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adding HAS_OLED to build vars to guard in place of using OLED_SDA #75

Closed marcidy closed 4 years ago

marcidy commented 4 years ago

This PR needs to be rebased against master before merging to master. It's meant to illustrate what I mentioned in #74, and based on the commit mentioned there.

Illustrating adding a build var to condition on for including OLED specifics.