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‎.github/workflows/platformio.yml

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name: platformio
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on:
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push:
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branches: [ '*' ]
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tags: [ 'v*' ]
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pull_request:
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branches: [ '*' ]
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jobs:
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build:
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needs: test
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runs-on: ubuntu-22.04
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strategy:
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matrix:
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target: ['esp32', 'esp8266']
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steps:
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- uses: actions/checkout@v4
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- name: Extract Version
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run: |
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echo "build_name=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
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echo "build_branch=${GITHUB_REF#refs/heads/}" >> $GITHUB_ENV
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echo "build_tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
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echo "build_sha=$(echo ${GITHUB_SHA} | cut -c1-7)" >> $GITHUB_ENV
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- name: Make Version
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run: |
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echo "build_file_devel=espfc_${{ env.build_sha }}_${{ matrix.target }}" >> $GITHUB_ENV
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echo "build_file_release=espfc_${{ env.build_tag }}_${{ matrix.target }}" >> $GITHUB_ENV
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- name: Print Version
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run: |
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echo SHA: ${{ env.build_sha }}
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echo TAG: ${{ env.build_tag }}
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echo BRANCH: ${{ env.build_branch }}
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echo NAME: ${{ env.build_name }}
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echo DEVEL: ${{ env.build_file_devel }}
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echo RELEASE: ${{ env.build_file_release }}
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- name: Cache pip
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uses: actions/cache@v4
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with:
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path: ~/.cache/pip
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key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
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restore-keys: |
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${{ runner.os }}-pip-
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- name: Cache PlatformIO
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uses: actions/cache@v4
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with:
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path: ~/.platformio
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key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
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- name: Set up Python
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uses: actions/setup-python@v5
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with:
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python-version: '3.10'
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- name: Install Dependencies
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run: |
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python -m pip install --upgrade pip
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pip install platformio
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- name: Build Development Target
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if: ${{ !startsWith(github.ref, 'refs/tags/') }}
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run: |
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platformio run -e ${{ matrix.target }}
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env:
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PLATFORMIO_BUILD_FLAGS: -DESPFC_REVISION=${{ env.build_sha }}
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- name: Build Release Target
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if: ${{ startsWith(github.ref, 'refs/tags/') }}
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run: |
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platformio run -e ${{ matrix.target }}
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env:
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PLATFORMIO_BUILD_FLAGS: -DESPFC_REVISION=${{ env.build_sha }} -DESPFC_VERSION=${{ env.build_tag }}
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- name: Create Development Artifact
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uses: actions/upload-artifact@v4
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if: ${{ !startsWith(github.ref, 'refs/tags/') }}
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with:
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name: ${{ env.build_file_devel }}.bin
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path: .pio/build/${{ matrix.target }}/firmware.bin
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- name: Create Development Artifact Merged
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uses: actions/upload-artifact@v4
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if: ${{ !startsWith(github.ref, 'refs/tags/') && startsWith(matrix.target, 'esp32') }}
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with:
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name: "${{ env.build_file_devel }}_0x00.bin"
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path: .pio/build/${{ matrix.target }}/firmware_0x00.bin
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- name: Create Release Artifact
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uses: actions/upload-artifact@v4
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if: ${{ startsWith(github.ref, 'refs/tags/') }}
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with:
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name: ${{ env.build_file_release }}.bin
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path: .pio/build/${{ matrix.target }}/firmware.bin
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- name: Create Release Artifact Merged
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uses: actions/upload-artifact@v4
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if: ${{ startsWith(github.ref, 'refs/tags/') && startsWith(matrix.target, 'esp32') }}
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with:
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name: ${{ env.build_file_release }}_0x00.bin
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path: .pio/build/${{ matrix.target }}/firmware_0x00.bin

‎merge_firmware.py

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Import("env")
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APP_BIN = "$BUILD_DIR/${PROGNAME}.bin"
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MERGED_BIN = "$BUILD_DIR/${PROGNAME}_0x00.bin"
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BOARD_CONFIG = env.BoardConfig()
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def merge_bin(source, target, env):
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# The list contains all extra images (bootloader, partitions, eboot) and
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# the final application binary
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flash_images = env.Flatten(env.get("FLASH_EXTRA_IMAGES", [])) + ["$ESP32_APP_OFFSET", APP_BIN]
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# Run esptool to merge images into a single binary
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env.Execute(
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" ".join(
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[
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"$PYTHONEXE",
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"$OBJCOPY",
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"--chip",
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BOARD_CONFIG.get("build.mcu", "esp32"),
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"merge_bin",
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"--flash_size",
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BOARD_CONFIG.get("upload.flash_size", "4MB"),
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"-o",
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MERGED_BIN,
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]
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+ flash_images
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)
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)
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# Add a post action that runs esptoolpy to merge available flash images
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env.AddPostAction(APP_BIN , merge_bin)
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# Patch the upload command to flash the merged binary at address 0x0
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#env.Replace(
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# UPLOADERFLAGS=[
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# f
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# for f in env.get("UPLOADERFLAGS")
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# if f not in env.Flatten(env.get("FLASH_EXTRA_IMAGES"))
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# ]
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# + ["0x0", MERGED_BIN],
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# UPLOADCMD='"$PYTHONEXE" "$UPLOADER" $UPLOADERFLAGS',
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#)

‎platformio.ini

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platform = espressif32
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board = lolin32
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framework = arduino
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extra_scripts = merge_firmware.py
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[env:esp8266]
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platform = espressif8266

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