Add workflow for build-pico-sdk.yml

Author: kubamracek

.github/workflows/build-pico-sdk.yml

@@ -0,0 +1,62 @@
+name: Build Pico SDK Examples
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+  schedule:
+    # Build on Mondays at 9am PST every week
+    - cron:  '0 17 * * 1'
+
+jobs:
+  build-pico-sdk:
+    runs-on: ubuntu-22.04
+    container: swiftlang/swift:nightly-main-jammy
+    strategy:
+      matrix:
+        example: [pico-blink-sdk, pico-w-blink-sdk]
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Update system packages
+        run: |
+          apt-get -y update
+          apt-get -y install curl ninja-build python3
+
+      - name: Install CMake 3.30.2
+        run: |
+          ARCH=`uname -m`
+          curl -L https://github.com/Kitware/CMake/releases/download/v3.30.2/cmake-3.30.2-linux-$ARCH.tar.gz -O
+          tar xzf cmake-3.30.2-linux-$ARCH.tar.gz
+          export PATH="`pwd`/cmake-3.30.2-linux-$ARCH/bin:$PATH"
+          cmake --version
+          echo "PATH=$PATH" >> $GITHUB_ENV
+
+      - name: Clone Pico SDK
+        run: |
+          git clone https://github.com/raspberrypi/pico-sdk.git
+          cd pico-sdk
+          git submodule update --init --recursive
+          cd ..
+
+      - name: Download GNU ARM toolchain
+        run: |
+          ARCH=`uname -m`
+          curl -L https://developer.arm.com/-/media/Files/downloads/gnu/13.3.rel1/binrel/arm-gnu-toolchain-13.3.rel1-$ARCH-arm-none-eabi.tar.xz -O
+          tar xf arm-gnu-toolchain-13.3.rel1-$ARCH-arm-none-eabi.tar.xz
+
+      - name: Set PICO environment variables
+        run: |
+          ARCH=`uname -m`
+          echo "PICO_BOARD=pico" >> $GITHUB_ENV
+          echo "PICO_SDK_PATH=`pwd`/pico-sdk" >> $GITHUB_ENV
+          echo "PICO_TOOLCHAIN_PATH=`pwd`/arm-gnu-toolchain-13.3.rel1-$ARCH-arm-none-eabi" >> $GITHUB_ENV
+
+      - name: Build ${{ matrix.example }}
+        run: |
+          cd ${{ matrix.example }}
+          cmake -B build -G Ninja .
+          cmake --build build

pico-blink-sdk/CMakeLists.txt

@@ -16,6 +16,7 @@ add_custom_command(
     COMMAND
         ${SWIFTC}
         -target armv6m-none-none-eabi -Xcc -mfloat-abi=soft -Xcc -fshort-enums
+        -Xcc -DPICO_RP2040
         -Xfrontend -function-sections -enable-experimental-feature Embedded -wmo -parse-as-library
         $$\( echo '$<TARGET_PROPERTY:swift-blinky,INCLUDE_DIRECTORIES>' | tr '\;' '\\n' | sed -e 's/\\\(.*\\\)/-Xcc -I\\1/g' \)
         $$\( echo '${CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES}'             | tr ' '  '\\n' | sed -e 's/\\\(.*\\\)/-Xcc -I\\1/g' \)