1 files changed, 48 insertions, 31 deletions

diff --git a/src/components/battery/BatteryController.h b/src/components/battery/BatteryController.h
index 86250a57..2776687b 100644
--- a/src/components/battery/BatteryController.h
+++ b/src/components/battery/BatteryController.h
@@ -6,57 +6,74 @@
 
 namespace Pinetime {
   namespace Controllers {
-  /** A simple circular buffer that can be used to average 
-   out the sensor values. The total capacity of the CircBuffer  
-   is given as the template parameter N.
-   */ 
-  template <int N> 
-  class CircBuffer {
-  public:
-    CircBuffer() : arr{}, sz{}, cap{N}, head{} {}
-    /**
-   insert member function overwrites the next data to the current 
-   HEAD and moves the HEAD to the newly inserted value.
-   */ 
-    void insert(const int num) {
-      head %= cap;
-      arr[head++] = num;
-      if (sz != cap) {
-        sz++;
+
+    /** A simple circular buffer that can be used to average 
+     out the sensor values. The total capacity of the CircBuffer  
+    is given as the template parameter N.
+    */ 
+    template <int N> 
+    class CircBuffer {
+    public:
+      CircBuffer() : arr{}, sz{}, cap{N}, head{} {}
+      /**
+     insert member function overwrites the next data to the current 
+    HEAD and moves the HEAD to the newly inserted value.
+    */ 
+      void insert(const int num) {
+        head %= cap;
+        arr[head++] = num;
+        if (sz != cap) {
+          sz++;
+        }
       }
-    }
 
-    int GetAverage() const {
-      int sum = std::accumulate(arr.begin(), arr.end(), 0);
-      return (sum / sz);
-    }
+      int GetAverage() const {
+        int sum = std::accumulate(arr.begin(), arr.end(), 0);
+        return (sum / sz);
+      }
 
-  private:
-    std::array<int, N> arr; /**< internal array used to store the values*/
-    uint8_t sz; /**< The current size of the array.*/
-    uint8_t cap; /**< Total capacity of the CircBuffer.*/
-    uint8_t head; /**< The current head of the CircBuffer*/
-  };
+    private:
+      std::array<int, N> arr; /**< internal array used to store the values*/
+      uint8_t sz; /**< The current size of the array.*/
+      uint8_t cap; /**< Total capacity of the CircBuffer.*/
+      uint8_t head; /**< The current head of the CircBuffer*/
+    };
 
     class Battery {
       public:
+
+        Battery();
+
         void Init();
         void Update();
+        
         int PercentRemaining() const { return percentRemainingBuffer.GetAverage(); }
+
         float Voltage() const { return voltage; }
+
         bool IsCharging() const { return isCharging; }
         bool IsPowerPresent() const { return isPowerPresent; }
 
       private:
+        static Battery *instance;
+        nrf_saadc_value_t  saadc_value;
+        
+        static constexpr uint8_t percentRemainingSamples = 10;
+        CircBuffer<percentRemainingSamples> percentRemainingBuffer {};
+
         static constexpr uint32_t chargingPin = 12;
         static constexpr uint32_t powerPresentPin = 19;
         static constexpr nrf_saadc_input_t batteryVoltageAdcInput = NRF_SAADC_INPUT_AIN7;
-        static constexpr uint8_t percentRemainingSamples = 10;
-        static void SaadcEventHandler(nrfx_saadc_evt_t const * p_event);
-        CircBuffer<percentRemainingSamples> percentRemainingBuffer {};
         float voltage = 0.0f;
+        int percentRemaining = -1;
+
         bool isCharging = false;
         bool isPowerPresent = false;
+        
+        void SaadcInit();
+
+        void SaadcEventHandler(nrfx_saadc_evt_t const * p_event);
+        static void adcCallbackStatic(nrfx_saadc_evt_t const *event);
     };
   }
 }
\ No newline at end of file