Re:Arduino TRE
by makomk on Saturday April 04, 2015 @08:14AM
(#9320618)
Except that the SoC they're using already has two PRU coprocessors designed for realtime IO support, and they have the advantage of being able to DMA to and from main memory rather than being limited to a slow serial link to the main CPU.
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Arduino's appeal is that doing simple tasks is simple. The PRU is not easy. TI introduced a C compiler for the PRU last year, but until then it has been an assembly only affair. (I haven't tried the compiler, I just discovered it while fact checking the first draft of this comment.)