Create c-cpp.yml

.github/workflows/c-cpp.yml

@@ -0,0 +1,21 @@
+name: PlatformIO CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: self-hosted
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: check for updates
+      run: platformio update
+    - name: run cppcheck
+      run: platformio check --fail-on-defect low --fail-on-defect medium --fail-on-defect high
+    - name: compile
+      run: platformio run