build.yml

name: Build Pico-ASHA

on:
    push:
    pull_request:

env:
    PICO_SDK_COMMIT_HASH: efe2103f9b28458a1615ff096054479743ade236
    BTSTACK_CREDITS_COMMIT_HASH: fa5389268014cd3572e84d70ff58c2f79f4b56cf

jobs:
    build_pico_asha:
        name: Build
        runs-on: ubuntu-24.04
        steps:
            - name: Checkout repository
              uses: actions/checkout@v4
              with:
                path: pico-asha
            
            - name: Cache Pico SDK
              id: cache-pico-sdk
              uses: actions/cache@v4
              with:
                path: pico-sdk
                key: pico-sdk-${{ env.PICO_SDK_COMMIT_HASH }}

            - name: Checkout Pico SDK
              if: steps.cache-pico-sdk.outputs.cache-hit != 'true'
              uses: actions/checkout@v4
              with:
                repository: raspberrypi/pico-sdk
                path: pico-sdk
                submodules: recursive
                ref: "${{ env.PICO_SDK_COMMIT_HASH }}"

            # Note: still required as of Pico SDK 2.0.0
            - name: Apply Bluetooth DLE patch
              if: steps.cache-pico-sdk.outputs.cache-hit != 'true'
              run: |
                wget https://github.com/raspberrypi/pico-sdk/files/12750460/0001-Update-firmware-for-Data-Length-Extension-fix.patch.zip
                unzip 0001-Update-firmware-for-Data-Length-Extension-fix.patch.zip
                cd pico-sdk/lib/cyw43-driver
                git config --global user.email "gh@localhost"
                git config --global user.name "GH Actions"
                git am ../../../0001-Update-firmware-for-Data-Length-Extension-fix.patch
            
            - name: Checkout btstack fork with credit patch
              uses: actions/checkout@v4
              with:
                repository: shermp/btstack
                path: btstack
                ref: "${{ env.BTSTACK_CREDITS_COMMIT_HASH }}"

            - name: Install dependencies
              run: |
                sudo apt-get update && sudo apt-get -y install cmake gcc-arm-none-eabi libnewlib-arm-none-eabi libstdc++-arm-none-eabi-newlib
            
            - name: Set env variables
              run: |
                echo "PICO_SDK_PATH=$(realpath ./pico-sdk)" >> "$GITHUB_ENV"
                echo "PICO_BTSTACK_PATH=$(realpath ./btstack)" >> "$GITHUB_ENV"
            
            - name: Configure build
              run: |
                mkdir pico-asha/build
                cd pico-asha/build
                cmake -DCMAKE_BUILD_TYPE=MinSizeRel ..

            - name: Compile
              run: |
                cd pico-asha/build
                cmake --build .

            - name: Upload UF2 and ELF binaries
              uses: actions/upload-artifact@v4
              with:
                name: pico-asha-bin
                path: pico-asha/build/pico-asha.[ue][fl][2f]