It doesn’t actually work. it just appears to work (lucky accident).  You could try a few more tests to check that it is not working.  E.g. change SPI_OLED to SPI_NATIVE.

On 17/02/2014, at 11:14 pm, Mathieu <notifications@github.com> wrote:

> In source_code/src/oledmp/oledmp.c:
> 
> > +*/
> > +
> > +/**
> > + * @file OledMP Mooltipass 256x64x4 OLED display driver
> > + */
> > +
> > +#include "mooltipass.h"
> > +#include <util/delay.h>
> > +#include <avr/pgmspace.h>
> > +
> > +#include "low_level_utils.h"
> > +#include "oledmp.h"
> > +#include "bitstream.h"
> > +
> > +// Make sure the USART SPI is selected
> > +#if SPI_OLED != SPI_USART
> 
> Are you saying it works for me and not for you?
> 
> —
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