Fix clang-format CI

.clang-format

@@ -0,0 +1,14 @@
+Language: Cpp
+BasedOnStyle: Google
+IndentWidth: 2
+ColumnLimit: 80
+AllowShortBlocksOnASingleLine: Always
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+BinPackArguments: true
+BinPackParameters: true
+BreakBeforeBraces: Attach
+DerivePointerAlignment: false
+PointerAlignment: Left
+SpacesBeforeTrailingComments: 1

.github/workflows/githubci.yml

@@ -3,9 +3,21 @@ name: Arduino Library CI
 on: [pull_request, push, repository_dispatch]
 
 jobs:
-  build:
+  clang-format:
     runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
+        with:
+          repository: adafruit/ci-arduino
+          path: ci
+      - name: Check code formatting with clang-format
+        run: python3 ci/run-clang-format.py -e "ci/*" -e "bin/*" -r .
 
+  build:
+    needs: clang-format
+    runs-on: ubuntu-latest
+
     steps:
     - uses: actions/setup-python@v4
       with:
@@ -22,11 +34,8 @@ jobs:
     - name: test platforms
       run: python3 ci/build_platform.py main_platforms
 
-    - name: clang
-      run: python3 ci/run-clang-format.py -e "ci/*" -e "bin/*" -r .
-
     - name: doxygen
       env:
         GH_REPO_TOKEN: ${{ secrets.GH_REPO_TOKEN }}
         PRETTYNAME : "Adafruit PCA9685 PWM Library"
-      run: bash ci/doxy_gen_and_deploy.sh
+      run: bash ci/doxy_gen_and_deploy.sh

Adafruit_PWMServoDriver.cpp

@@ -29,7 +29,7 @@
 
 #include "Adafruit_PWMServoDriver.h"
 
-//#define ENABLE_DEBUG_OUTPUT
+// #define ENABLE_DEBUG_OUTPUT
 
 /*!
  *  @brief  Instantiates a new PCA9685 PWM driver chip with the I2C address on a
@@ -54,7 +54,7 @@ Adafruit_PWMServoDriver::Adafruit_PWMServoDriver(const uint8_t addr)
  *  with
  */
 Adafruit_PWMServoDriver::Adafruit_PWMServoDriver(const uint8_t addr,
-                                                 TwoWire &i2c)
+                                                 TwoWire& i2c)
     : _i2caddr(addr), _i2c(&i2c) {}
 
 /*!

Adafruit_PWMServoDriver.h

@@ -56,7 +56,7 @@
 #define MODE1_RESTART 0x80 /**< Restart enabled */
 // MODE2 bits
 #define MODE2_OUTNE_0 0x01 /**< Active LOW output enable input */
-#define MODE2_OUTNE_1                                                          \
+#define MODE2_OUTNE_1 \
   0x02 /**< Active LOW output enable input - high impedience */
 #define MODE2_OUTDRV 0x04 /**< totem pole structure vs open-drain */
 #define MODE2_OCH 0x08    /**< Outputs change on ACK vs STOP */
@@ -73,10 +73,10 @@
  * PWM chip
  */
 class Adafruit_PWMServoDriver {
-public:
+ public:
   Adafruit_PWMServoDriver();
   Adafruit_PWMServoDriver(const uint8_t addr);
-  Adafruit_PWMServoDriver(const uint8_t addr, TwoWire &i2c);
+  Adafruit_PWMServoDriver(const uint8_t addr, TwoWire& i2c);
   bool begin(uint8_t prescale = 0);
   void reset();
   void sleep();
@@ -93,10 +93,10 @@ class Adafruit_PWMServoDriver {
   void setOscillatorFrequency(uint32_t freq);
   uint32_t getOscillatorFrequency(void);
 
-private:
+ private:
   uint8_t _i2caddr;
-  TwoWire *_i2c;
-  Adafruit_I2CDevice *i2c_dev = NULL; ///< Pointer to I2C bus interface
+  TwoWire* _i2c;
+  Adafruit_I2CDevice* i2c_dev = NULL; ///< Pointer to I2C bus interface
 
   uint32_t _oscillator_freq;
   uint8_t read8(uint8_t addr);