Initial rp2040 support. #538
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As of fairly recently, you need to provide a full flash configuration to be able to even build an archive for a board. This makes it annoying to bring up new chips. This change makes the build system tolerate this condition, and simply doesn't include flashing instructions in the archive.
This can blink an LED on the Pi Pico board and...that's it.
- More docs - Access to the rest of GPIO configuration, including function select.
The LED pin mapping is not rp2040-specific, but Pi Pico specific, so it now hinges on the board target instead of the processor.
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Hi, I actually attempted this a few months ago as an attempt to learn Hubris! Some useful things I discovered:
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This is also what my thinking was reading the docs - why no |
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This adds support for one of the two cores. Note that you can't actually use this to flash it; I'm currently feeding the eval board UF2 files. The upstream
elf2uf2tool is buggy and won't accept our ELF files, so, I wrote a new one. Basically, don't get too excited yet.