Initial commit

BatteryController.h

@@ -0,0 +1,19 @@
+#include "board_pins.h"
+
+class BatteryController {
+public:
+  BatteryController(){}
+
+  void initialize() {
+    pinMode(BATTERY_DATA_SWITCH_PIN, OUTPUT);
+    digitalWrite(BATTERY_DATA_SWITCH_PIN, HIGH);
+  }
+
+  float measureVoltage() {
+    return analogRead(BATTERY_DATA_PIN)*3.3/4095;
+  }
+  
+  int percent(int minVoltage=7200, int maxVoltage=8400) {
+    return map(int(measureVoltage()*1000), minVoltage, maxVoltage, 0, 100);
+  }
+ };