Port Speed Controller Firmware to PlatformIO, Clean up, and Correct Driver Implementations

.github/workflows/speed_controller.yml

@@ -0,0 +1,41 @@
+name: Speed Controller CI
+
+on:
+  # Trigger the workflow on push but only for changes to relevant files
+  push:
+    paths:
+      - 'Speed_Controller/**'
+      - 'Peripherals/**'
+      - '.github/workflows/speed_controller.yml'
+
+  # Allow running this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Cache pip
+      uses: actions/cache@v2
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+    - name: Cache PlatformIO
+      uses: actions/cache@v2
+      with:
+        path: ~/.platformio
+        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
+    - name: Set up Python
+      uses: actions/setup-python@v2
+    - name: Install PlatformIO
+      run: |
+        python -m pip install --upgrade pip
+        pip install --upgrade platformio
+    - name: Run PlatformIO Build
+      run: |
+        cd Speed_Controller
+        pio run -v

.gitignore

@@ -2,6 +2,7 @@
 
 !*.c
 !*.h
+!platformio.ini
 !*.uvprojx
 !*.ino
-!*.gitignore
+!*.gitignore