On Fri, 15 Apr 2016 11:17:55 -0500, David Lechner said: > I omitted this on purpose. For my use case, I am using the SPI as > write-only, So your SPI accesses are fire-and-forget, and nothing ever comes back? Seems a very dangerous way to design the use case, with no feedback if something suddenly goes pear-shaped... Or do you have ways to verify the status via some method other than SPI?