While I love this (and I am ECSTATIC about the PRU documentation ... thankyouthankyouthankyouthankyouthankyouthankyouthankyou ... I have been using this right now), I would expect this would have been loads easier with even something really cheap like a MAX10 FPGA.
However, he does mention needing a network stack, so maybe not.
However, he does mention needing a network stack, so maybe not.