Added devcontainer setup and CI workflow for generating builds

.devcontainer/Dockerfile

@@ -0,0 +1,51 @@
+ARG VARIANT="ubuntu-22.04"
+FROM mcr.microsoft.com/vscode/devcontainers/cpp:0-${VARIANT}
+
+RUN apt-get update && \
+    export DEBIAN_FRONTEND=noninteractive && \
+    apt-get -y install --no-install-recommends \
+        gcc-arm-none-eabi \
+        libstdc++-arm-none-eabi-newlib \
+        cmake \
+        build-essential \
+        wget \
+        ca-certificates \
+        gdb-multiarch \
+        binutils-multiarch \
+        automake \
+        autoconf \
+        libtool \
+        libftdi-dev \
+        libusb-1.0-0-dev \
+        libhidapi-dev \
+        pkg-config \
+        clang-format \
+        python3 \
+        python3-tk
+
+WORKDIR /apps
+
+RUN cd /apps && \
+    git clone -b master https://github.com/raspberrypi/pico-sdk.git --depth=1 && \
+    cd pico-sdk && \
+    git submodule update --init
+
+ENV PICO_SDK_PATH=/apps/pico-sdk
+
+RUN cd /apps && \
+    git clone -b master https://github.com/raspberrypi/pico-extras.git --depth=1 \
+    && cd pico-extras && \
+    git submodule update --init 
+
+ENV PICO_EXTRAS_PATH=/apps/pico-extras
+
+RUN git clone https://github.com/raspberrypi/openocd.git --depth=1 && \
+    cd openocd && ./bootstrap && ./configure --enable-ftdi --enable-sysfsgpio --enable-picoprobe && make -j 8 install 
+RUN cd /apps && git clone https://github.com/raspberrypi/picotool.git --depth=1 && \
+    cd picotool && mkdir build && cd build && cmake ../ && make -j 8 && cp picotool /usr/local/bin 
+RUN cd /apps && git clone https://github.com/wtarreau/bootterm.git --depth=1 && \
+    cd bootterm && make -j 8 install 
+
+RUN cd /usr/bin && ln -s /usr/bin/objdump objdump-multiarch && ln -s /usr/bin/nm nm-multiarch 
+
+RUN usermod -aG plugdev vscode

.devcontainer/devcontainer.json

@@ -0,0 +1,51 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/mwinters-stuff/vscode-devcontainer-raspberrypi-pico
+{
+    "name": "C++ Raspberry Pi Pico",
+    "build": {
+        "dockerfile": "Dockerfile"
+    },
+    "runArgs": [
+        "--cap-add=SYS_PTRACE",
+        "--security-opt",
+        "seccomp=unconfined",
+        "--privileged",
+        "-v", "/dev/bus/usb:/dev/bus/usb",
+        "--device=/dev/bus/usb",
+        "--device=/dev/ttyACM0"
+    ],
+
+    // Set *default* container specific settings.json values on container create.
+    "customizations": {
+        "vscode": {
+            "settings": { 
+                "terminal.integrated.profiles.linux": {
+                "bash": {
+                    "path": "/usr/bin/bash"
+                    }
+                }
+            },
+
+            // Add the IDs of extensions you want installed when the container is created.
+            "extensions": [
+                "ms-vscode.cpptools",
+                "marus25.cortex-debug",
+                "ms-vscode.cmake-tools",
+                "twxs.cmake",
+                "eamodio.gitlens",
+                "xaver.clang-format",
+                "chris-hock.pioasm",
+                "ms-vscode.cpptools-extension-pack"
+            ]
+        }
+    },
+
+    // Use 'forwardPorts' to make a list of ports inside the container available locally.
+    // "forwardPorts": [],
+
+    // Use 'postCreateCommand' to run commands after the container is created.
+    // "postCreateCommand": "gcc -v",
+
+    // Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+    "remoteUser": "vscode"
+}

.github/workflows/10-build.yml

@@ -0,0 +1,75 @@
+name: Build
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+env:
+  # Customize the CMake build
+  BUILD_TYPE: RelWithDebInfo # Release, Debug, RelWithDebInfo
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Clean workspace
+      run: |
+        echo "Cleaning up previous run"
+        rm -rf "${{ github.workspace }}"
+        mkdir -p "${{ github.workspace }}"
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Checkout PicoBoot code
+      uses: actions/checkout@v4
+
+    - name: Set outputs
+      id: vars
+      run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+
+    - uses: robinraju/release-downloader@v1
+      id: gekkoboot-download
+      with:
+        repository: 'webhdx/iplboot'
+        latest: true
+        fileName: '*.zip'
+        out-file-path: gekkoboot
+        extract: true
+
+    - name: Copy gekkoboot uf2 payload
+      run: |
+        cd gekkoboot
+        if [ -f "gekkoboot_pico.uf2" ]; then
+            cp gekkoboot_pico.uf2 ${{ github.workspace }}/payload.uf2
+        elif [ -f "iplboot_pico.uf2" ]; then
+            cp iplboot_pico.uf2 ${{ github.workspace }}/payload.uf2
+        else
+            echo "Neither gekkoboot_pico.uf2 nor iplboot_pico.uf2 found."
+            exit 1
+        fi
+
+    - name: Build and run Dev Container task
+      uses: devcontainers/[email protected]
+      with:
+        imageName: ghcr.io/webhdx/picoboot
+        cacheFrom: ghcr.io/webhdx/picoboot
+        runCmd: |
+          cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE .
+          make
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: picoboot-${{ steps.vars.outputs.sha_short }}
+        path: |
+          picoboot_full.uf2
+          picoboot.uf2
+          payload.uf2

.gitignore

@@ -4,6 +4,7 @@ _deps
 .DS_Store
 
 # Build environment
+build/
 CMakeFiles/
 elf2uf2/
 generated/

CMakeLists.txt

@@ -46,4 +46,4 @@ function(merge_uf2 NAME BASE_TARGET INPUTS)
                 COMMAND_EXPAND_LISTS)
 endfunction()
 
-merge_uf2(picoboot_full picoboot "${CMAKE_CURRENT_LIST_DIR}/iplboot_pico.uf2")
+merge_uf2(picoboot_full picoboot "${CMAKE_CURRENT_LIST_DIR}/payload.uf2")