Van Hunter Adams

Assistant Teaching Professor Electrical and Computer Engineering, Cornell University vha3@cornell.edu, 412 CIS

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Hardware & Electronics 2 Systems & Performance 1 Networking & Internet 1

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UDP transmitter implemented with PIO and DMA on the RP2040

2023109 points21 comments Hardware & Electronics details

The objective for this project was to implement a UDP transmitter for use on the RP2040 that would consume zero CPU time. The system described on this webpage is implemented with 3 PIO state machines, 12 DMA channels, and 1 PWM channel. It generates an NLP, performs packet checksum calculations, and performs packet…