optimized workflows

Signed-off-by: Peter Siegmund <peter@rdkr.com>

.github/workflows/esp-idf_build.yml

@@ -2,7 +2,11 @@ name: Build the ESP-IDF Project
 
 on:
   push:
+    paths:
+      - "ePaper-ESP-IDF/**"
   pull_request:
+    paths:
+      - "ePaper-ESP-IDF/**"
 
 jobs:
   build:

.github/workflows/platform-io_build.yml

@@ -0,0 +1,35 @@
+name: Build the PlatformIO Project
+
+on:
+  push:
+    paths:
+      - "ePaper/**"
+  pull_request:
+    paths:
+      - "ePaper/**"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/pip
+            ~/.platformio/.cache
+          key: ${{ runner.os }}-pio
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.9"
+
+      - name: Install PlatformIO Core
+        run: pip install --upgrade platformio
+
+      - name: Static code analysis
+        run: pio check -d $PWD/ePaper
+
+      - name: Build bare metal
+        run: pio run -d $PWD/ePaper