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 asse

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.)