add github workflows and action

.github/.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+!actions/*

.github/actions/build-and-rename/action.yml

@@ -0,0 +1,43 @@
+#------------------------------------------------------
+# Copyright (c) 2025, Elehobica
+# Released under the BSD-2-Clause
+# refer to https://opensource.org/licenses/BSD-2-Clause
+#------------------------------------------------------
+
+name: Build and Rename
+
+inputs:
+  path:
+    required: true
+  build:
+    required: false
+    default: build
+  platform:
+    required: false
+    default: rp2040
+  board:
+    required: false
+    default: pico
+  identifier:
+    required: true
+  output_path:
+    required: false
+    default: Release
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Build
+      uses: elehobica/build-pico@v1
+      with:
+        path: ${{ inputs.path }}
+        build: ${{ inputs.build }}
+        platform: ${{ inputs.platform }}
+        board: ${{ inputs.board }}
+    - name: Move artifacts
+      uses: elehobica/add-identifier@v1
+      with:
+        paths: ${{ inputs.path }}/${{ inputs.build }}
+        exts: .uf2 .elf
+        identifier: ${{ inputs.identifier }}
+        output_path: ${{ inputs.output_path }}

.github/workflows/build-binaries.yml

@@ -0,0 +1,68 @@
+#------------------------------------------------------
+# Copyright (c) 2025, Elehobica
+# Released under the BSD-2-Clause
+# refer to https://opensource.org/licenses/BSD-2-Clause
+#------------------------------------------------------
+
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build-sine-wave-i2s_32b:
+    runs-on: ubuntu-latest
+    env:
+      PROJECT_DIR: samples/sine_wave_i2s_32b
+      RELEASE_DIR: Release
+    outputs:
+      release-tag-condition-matched: ${{ steps.release-tag-condition.outputs.matched }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build Pico
+        uses: ./.github/actions/build-and-rename
+        with:
+          path: ${{ env.PROJECT_DIR }}
+          build: build
+          identifier: pico
+          output_path: ${{ env.RELEASE_DIR }}
+      - name: Build Pico 2
+        uses: ./.github/actions/build-and-rename
+        with:
+          path: ${{ env.PROJECT_DIR }}
+          build: build2
+          platform: rp2350
+          board: pico2
+          identifier: pico2
+          output_path: ${{ env.RELEASE_DIR }}
+      - name: Upload production artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: dist-binaries0
+          path: |
+            ${{ env.RELEASE_DIR }}/*.uf2
+            ${{ env.RELEASE_DIR }}/*.elf
+
+  release-tag-condition:
+    runs-on: ubuntu-latest
+    outputs:
+      matched: ${{ steps.check.outputs.matched }}
+    steps:
+      - name: Check if Release Tag Condition Matched
+        id: check
+        run: |
+          if [[ ${{ github.ref_type }} == 'tag' && ${{ github.ref_name }} =~ ^[0-9]+.[0-9]+.[0-9]+$ ]]; then
+            echo "matched=true" >> $GITHUB_OUTPUT
+            echo "Release tag condition matched"
+          else
+            echo "matched=false" >> $GITHUB_OUTPUT
+            echo "Release tag condition not matched"
+          fi
+
+  call-upload-release-asset:
+    needs: [build-sine-wave-i2s_32b, release-tag-condition]
+    if: ${{ needs.release-tag-condition.outputs.matched == 'true' }}
+    uses: ./.github/workflows/upload-release-asset.yml
+    with:
+      source_run_id: ${{ github.run_id }}
+      artifacts_dirs: "dist-binaries0"

.github/workflows/upload-release-asset.yml

@@ -0,0 +1,67 @@
+#------------------------------------------------------
+# Copyright (c) 2025, Elehobica
+# Released under the BSD-2-Clause
+# refer to https://opensource.org/licenses/BSD-2-Clause
+#------------------------------------------------------
+
+name: Upload Release Asset
+
+on:
+  workflow_call:
+    inputs:
+      source_run_id:
+        description: 'The run ID of the source workflow'
+        type: string
+        required: true
+      artifacts_dirs:
+        description: 'The directories of the artifacts'
+        type: string
+        required: true
+
+jobs:
+  upload-release-asset:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      checks: write
+    env:
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      CHANGELOG: ./CHANGELOG.md
+      RELEAESE_NOTE: ./ReleaseNote.md
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Extract Release Note from CHANGELOG
+        run: |
+          pattern1="^## \[${{ github.ref_name }}\]"
+          pattern2="^## \["
+          print=false
+          while read line; do
+              if [[ $line =~ $pattern1 ]]; then
+                  print=true
+              elif [[ $line =~ $pattern2 ]]; then
+                  print=false
+              elif $print; then
+                  echo "$line" >> ${{ env.RELEAESE_NOTE }}
+              fi
+          done < ${{ env.CHANGELOG }}
+      - name: Create Release as Draft
+        id: create-release
+        run: |
+          gh release create ${{ github.ref_name }} \
+            --title "Release ${{ github.ref_name }}" \
+            --notes-file ${{ env.RELEAESE_NOTE}} \
+            --draft \
+            --target ${{ github.sha }}
+      - name: Download Artifacts
+        id: download-artifacts
+        run: |
+          gh run download ${{ inputs.source_run_id }}
+      - name: Upload Release Assets
+        id: upload-release-assets
+        run: |
+          for dir in ${{ inputs.artifacts_dirs }}; do
+            for file in $(ls $dir/*.uf2 $dir/*.elf); do
+              gh release upload ${{ github.ref_name }} "$file"
+            done
+          done

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
 * Confirm with pico-sdk 2.1.1
 * Support Raspberry Pi Pico 2 board
+* Introduce GitHub Actions for build and release
 
 ## [0.8.1] - 2025-03-03
 ### Changed