Web-Based Firmware Upgrades Using WIZnet’s W55RP20 Chip
A proof-of-concept project that enables web-based MCU firmware upgrades using WIZnet’s ioNIC chip and a built-in webserver
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Components
Hardware components
Raspberry Pi - Raspberry Pi Pico
x 1
WIZnet - W55RP20-EVB-Pico
x 1
Project description
Introduction I came across a really interesting discussion on the Raspberry Pi forums about using a webserver to handle firmware updates, and it got me thinking. So I decided to build a little proof-of-concept project using WIZnet’s W55RP20 chip (ioNIC) to see if I could do something similar. I ended up porting the SWDLoader tool from the Circle project into my own code, and now I’ve got a setup where you can just upload firmware through a webpage and have it flash the target MCU directly. Setup Overview Here’s a quick look at the hardware and network setup I used for this proof-of-concept…
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