revisiting the 434 MHz band

Werner Almesberger werner at openmoko.org
Thu Jul 22 14:32:09 EDT 2010


cristian paul pe?aranda rojas wrote:
> what about getting free gpio pins and iplement SPI usign the linux
> kernel module for that?

That's always an option, particularly for prototyping.

However, given that the SPI interface (Ingenic call it SSI - makes me
wonder if they pronounce it "sissy" :-) is DMA-capable, bit-banging
SPI is probably less efficient than hardware-assisted SPI.

- Werner




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