Theatre
Zephyr Tools To Debug Hardware
Chris Gammell
35:12
There are many less known subsystems within Zephyr (the popular open source RTOS and ecosystem) that can help hardware and firmware teams bring up their new custom hardware designs. This talk will be a selection of these tools and pointers on how to get started within the ecosystem. This is a good talk for beginner to intermediate embedded engineers, including hardware engineers who are looking to do more firmware development (like I was!).
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Why does the speaker emphasize using Zephyr's shell(s) early in hardware bring-up?
A
They provide an interactive terminal on the device that lets you inspect buses, device state, and run diagnostic commands in situ.
B
They automatically fix device tree and Kconfig errors without developer intervention.
C
They replace the need for a hardware debugger entirely, so you never need JTAG or GDB.
D
They are primarily intended to render a graphical UI on embedded displays during production.
E
They export the entire firmware image to the cloud for remote recompilation when builds fail.
i2c debugging:zephyr tool is interesting and accelerates proper configuration. usually dev board provider specifies frequency to set, and how i2c diagrams should look like on the scope.