On Mar 2, 2018, at 03:07, Luke Kenneth Casson Leighton <lkcl at lkcl.net> wrote: > > btw i'm tempted to suggest treating the SPI pins as straight GPIO. if > they can do 0 and 1 (input and output) then they're not > short-circuited and/or disconnected and that's... good enough. So test them as GPIO for now?