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Since the first Raspberry Pi boards were released in 2012, they have been used by hobbyists, educators and professionals all over the world, and pushed to their limits in space, on deserts and in the deep sea. With the introduction of the RP2040 and RP2350 microcontrollers over the past few years, Raspberry Pi entered the world of deeply embedded systems with some fresh ideas. The Zephyr community quickly set to work supporting this new hardware – and it hasn’t stopped since!
This talk will cover the current state of Zephyr support for Raspberry Pi microcontrollers, how we got here and how developers can contribute to further improvements. This includes working on building blocks of the open source embedded ecosystem such as OpenOCD. We will look at support for Rust and RISC-V, as well as the Programmable I/O (PIO) which is unique to Raspberry Pi. Finally, we will show a survey of open source applications and hardware built with the combination of Zephyr and Raspberry Pi, with some tips for using them in your own projects.
