[En-Nut-Discussion] using SPI Controller of AT91SAM7X

[Harald Kipp]

Dominik Schröder wrote:

> I want to use the SPI controller of my AT91SAM7X to communicate with an OLED
> Display. I haven’t found some good information about which steps are needed
> to get the SPI device working… L

Will this page help
http://www.ethernut.de/en/documents/ntn-6_spi.html
?

Beside that, you can always directly access the SPI registers of the
SAM7X, which is typically easier than implementing a Nut/OS SPI Node Driver.

The advantage of the Nut/OS driver is, however, that the SPI bus can be
shared among several SPI devices.

Harald