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pico_fota OTA

A Bootloader That Refuses to Die: Firmware Recovery Over Ethernet, Served by a 92 KB Bootloader

Lihan__

Published July 27, 2026

Original author: dickinsaudioOriginal source (new tab)

pico_fota OTA

Project description

pico_fota — A Bootloader That Refuses to Die: Firmware Recovery Over Ethernet, Served by a 92 KB Bootloader #W5500 #TOE #RP2040 #Bootloader #FOTA #Recovery #SecureBoot #AES-ECB #SHA256 #ioLibrary #Rollback 📚 Context: Commercial product firmware — the recovery path of a shipping audio networking dongle by DickinsAudio (Australia). Verification status: WIZnet chip usage confirmed at code level (Sn_MR_TCP socket, ioLibrary DHCP, WIZnet OUI 00:08:DC). Builds as a component of a private parent project; not standalone-reproducible. See Reproducibility Notes. 01 — What is this project? Every…

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