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micropython.yml
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name: MicroPython Firmware
on:
push:
pull_request:
release:
types: [created]
env:
MICROPYTHON_VERSION: 17d82344581ad3a76033fae54c5d3304e17f185f
PIMORONI_PICO_VERSION: 49a5d4292586f5851978f6f4a2f6b3214fb379ce
WORKFLOW_VERSION: v2
jobs:
deps:
runs-on: ubuntu-20.04
name: Dependencies
steps:
- name: Workspace Cache
id: cache
uses: actions/cache@v4
with:
path: ${{runner.workspace}}
key: workspace-micropython-${{env.MICROPYTHON_VERSION}}-${{env.WORKFLOW_VERSION}}
restore-keys: |
workspace-micropython-${{env.MICROPYTHON_VERSION}}-${{env.WORKFLOW_VERSION}}
# Check out MicroPython
- name: Checkout MicroPython
if: steps.cache.outputs.cache-hit != 'true'
uses: actions/checkout@v4
with:
repository: micropython/micropython
ref: ${{env.MICROPYTHON_VERSION}}
submodules: false # MicroPython submodules are hideously broken
path: micropython
- name: Fetch Pico submodules
if: steps.cache.outputs.cache-hit != 'true'
shell: bash
working-directory: micropython
run: |
git submodule update --init lib/pico-sdk
git submodule update --init lib/cyw43-driver
git submodule update --init lib/lwip
git submodule update --init lib/mbedtls
git submodule update --init lib/micropython-lib
git submodule update --init lib/tinyusb
git submodule update --init lib/btstack
- name: Build mpy-cross
if: steps.cache.outputs.cache-hit != 'true'
shell: bash
working-directory: micropython/mpy-cross
run: make
build:
needs: deps
name: Build ${{matrix.name}}
runs-on: ubuntu-20.04
strategy:
matrix:
include:
- name: Yukon
shortname: yukon
board: PIMORONI_YUKON
- name: Yukon W
shortname: yukon_w
board: PIMORONI_YUKON_W
env:
RELEASE_FILE: pimoroni-${{matrix.shortname}}-${{github.event.release.tag_name || github.sha}}-micropython
FIRMWARE_DIR: "$GITHUB_WORKSPACE/yukon/firmware"
BOARD_DIR: "$GITHUB_WORKSPACE/yukon/firmware/${{matrix.board}}"
FILESYSTEM_DIR: "$GITHUB_WORKSPACE/yukon/lib"
FILESYSTEM_SUFFIX: "with-filesystem"
BOARD: ${{matrix.board}}
steps:
- name: Compiler Cache
uses: actions/cache@v4
with:
path: /home/runner/.ccache
key: ccache-micropython-${{matrix.shortname}}-${{github.ref}}-${{github.sha}}
restore-keys: |
ccache-micropython-${{matrix.shortname}}-${{github.ref}}
ccache-micropython-${{matrix.shortname}}-
- name: Workspace Cache
uses: actions/cache@v4
with:
path: ${{runner.workspace}}
key: workspace-micropython-${{env.MICROPYTHON_VERSION}}-${{env.WORKFLOW_VERSION}}
restore-keys: |
workspace-micropython-${{env.MICROPYTHON_VERSION}}-${{env.WORKFLOW_VERSION}}
- uses: actions/checkout@v4
with:
submodules: true
path: yukon
# Check out Pimoroni Pico
- uses: actions/checkout@v4
with:
repository: pimoroni/pimoroni-pico
ref: ${{env.PIMORONI_PICO_VERSION}}
submodules: true
path: pimoroni-pico
- name: "Py_Decl: Checkout py_decl"
uses: actions/checkout@v4
with:
repository: gadgetoid/py_decl
ref: v0.0.1
path: py_decl
# Check out dir2u2f
- uses: actions/checkout@v4
with:
repository: gadgetoid/dir2uf2
ref: v0.0.6
path: dir2uf2
# HACK: Patch startup overclock into Pico SDK
- name: "HACK: Startup Overclock Patch"
shell: bash
working-directory: micropython/lib/pico-sdk
run: |
git apply "${{env.FIRMWARE_DIR}}/startup_overclock.patch"
- name: "HACK: CMakeLists.txt Disable C++ Exceptions Patch"
shell: bash
working-directory: micropython
run: git apply "${{env.FIRMWARE_DIR}}/micropython_nano_specs.patch"
- name: "HACK: Yukon Expander Patch"
shell: bash
working-directory: micropython
run: git apply "${{env.FIRMWARE_DIR}}/yukon_expander.patch"
- name: "HACK: Yukon Wireless Patch"
if: matrix.shortname == 'yukon_w'
shell: bash
working-directory: micropython/lib/pico-sdk
run: git apply "${{env.FIRMWARE_DIR}}/yukon_wireless.patch"
- name: Install Arm GNU Toolchain (arm-none-eabi-gcc)
uses: carlosperate/arm-none-eabi-gcc-action@v1
with:
release: '9-2020-q2'
- name: Install CCache
run: |
sudo apt update && sudo apt install ccache
# Build firmware
- name: Configure MicroPython
shell: bash
working-directory: micropython/ports/rp2
run: |
cmake -S . -B build -DPICO_BUILD_DOCS=0 -DUSER_C_MODULES=${{env.BOARD_DIR}}/micropython.cmake -DMICROPY_BOARD_DIR=${{env.BOARD_DIR}} -DMICROPY_BOARD=${{env.BOARD}} -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
- name: Build MicroPython
shell: bash
working-directory: micropython/ports/rp2
run: |
ccache --zero-stats || true
cmake --build build -j 2
ccache --show-stats || true
- name: Rename .uf2 for artifact
shell: bash
working-directory: micropython/ports/rp2/build
run: |
cp firmware.uf2 ${{env.RELEASE_FILE}}.uf2
- name: "Py_Decl: Verify UF2"
shell: bash
run: |
python3 py_decl/py_decl.py --to-json --verify micropython/ports/rp2/build/${{env.RELEASE_FILE}}.uf2
- name: Append Filesystem
shell: bash
run: |
python3 -m pip install littlefs-python==0.12.0
./dir2uf2/dir2uf2 --fs-compact --append-to micropython/ports/rp2/build/${{env.RELEASE_FILE}}.uf2 --manifest ${{env.BOARD_DIR}}/uf2-manifest.txt --filename ${{env.FILESYSTEM_SUFFIX}}.uf2 ${{env.FILESYSTEM_DIR}}/
- name: Store .uf2 as artifact
uses: actions/upload-artifact@v4
with:
name: ${{env.RELEASE_FILE}}
path: micropython/ports/rp2/build/${{env.RELEASE_FILE}}.uf2
- name: Store .uf2 + Filesystem as artifact
uses: actions/upload-artifact@v4
with:
name: ${{env.RELEASE_FILE}}-${{env.FILESYSTEM_SUFFIX}}
path: ${{env.RELEASE_FILE}}-${{env.FILESYSTEM_SUFFIX}}.uf2
- name: Upload .uf2
if: github.event_name == 'release'
uses: actions/upload-release-asset@v1
env:
GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
with:
asset_path: micropython/ports/rp2/build/${{env.RELEASE_FILE}}.uf2
upload_url: ${{github.event.release.upload_url}}
asset_name: ${{env.RELEASE_FILE}}.uf2
asset_content_type: application/octet-stream
- name: Upload .uf2 + Filesystem
if: github.event_name == 'release'
uses: actions/upload-release-asset@v1
env:
GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
with:
asset_path: ${{env.RELEASE_FILE}}-${{env.FILESYSTEM_SUFFIX}}.uf2
upload_url: ${{github.event.release.upload_url}}
asset_name: ${{env.RELEASE_FILE}}-${{env.FILESYSTEM_SUFFIX}}.uf2
asset_content_type: application/octet-stream