First of all, many things are currently changing regarding SPI, so I'll have to rework a lot of the DMA SPI driver for teensyduino 1.20 (interrupt vector table in RAM, SPI transactions). Would the more experienced git users recommend doing this in a separate branch?
For the current master branch I'll just add correct saving and restoring of the SPI settings with code taken from my SPI backup class.
For the current master branch I'll just add correct saving and restoring of the SPI settings with code taken from my SPI backup class.