michaelh/zx0-bootloader
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An I2C based bootloader for the SAMD21. Built using Zephyr.
16 commits 1 branch 1 tag 62 KiB
C++ 53.6%
Python 27.3%
C 11.8%
CMake 7.3%
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Michael Hope ad8559e8c8
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.clang-format zx0: moved the bootloader to its own repo. 2021-06-25 20:38:26 +02:00
.drone.yml zx0: ran addlicense 2021-07-04 14:50:28 +02:00
.gitignore zx0: update the headers, licence dates, and left over copy-paste text 2021-07-04 12:22:45 +02:00
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prj.conf zx0: fixed up the licenses and add comments. 2021-06-25 20:49:55 +02:00
README.md zx0: add a README 2021-06-25 21:05:15 +02:00
requirements.txt zx0: add the host side programmer 2021-06-25 21:04:42 +02:00
setup.py zx0: add the host side programmer 2021-06-25 21:04:42 +02:00

README.md

ZX0 bootloader

This is an I2C based bootloader for the SAMD21. It implements the Microsoft HF2 protocol over I2C and uses the same double-tap-for-bootloader and magic as the Adafruit UF2 bootloader.

The bootloader is written in C++ and uses Zephyr for the drivers. It should be easy to adapt to the SAMD51 and other devices supported by Zephyr but each will need a custom I2C client driver.

-- Michael Hope mlhx@google.com michaelh@juju.nz