On Wed, Sep 30, 2009 at 3:43 PM, Peter Stuge <peter at stuge.se> wrote: > 40 Mbyte/s seems way optimistic to me Yeah, I was going worst-case scenario (i.e. SPI is super-fast) and even in that case accessor functions would not hurt much if at all. So if we absolutely *have* to do some sort of function interface, well, it won't exactly kill us. ron