text: /*
  Copyright 2018-2021 <Pierre Constantineau>
  
  3-Clause BSD License
  
  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
  
  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  
  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or
  other materials provided with the distribution.
  
  3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without
  specific prior written permission.
  
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  */
  #ifndef BATTERY_BM_H
  #define BATTERY_BM_H 
  
      #include <Arduino.h>
      #include <bluefruit.h>
      #include "firmware_config.h"
      #include "keyboard_config.h"
    
    enum BatteryType {
      BATT_UNKNOWN = 0,
      BATT_CR2032 = 1,
      BATT_LIPO = 2,
      BATT_VDDH =  3,
  };
  
  typedef void (*mvToPercent_cb_t)(uint8_t & vbat_per, uint32_t mvolts, uint8_t batt_type ); 
  
    class Battery {
      public:
          Battery();  
           uint8_t vbat_per;
           uint32_t vbat_mv;
           uint32_t vbat_vdd;
           uint8_t batt_type;
           void updateBattery(void);
           uint32_t readVBAT(void);
           uint32_t readVDDH(void);
           void setmvToPercentCallback(mvToPercent_cb_t callback);
          
      private:
           
           uint32_t analogReadVDD();
           uint32_t vbat_raw;
           mvToPercent_cb_t _mvToPercent_cb;
  
    };
  void mvToPercent_default(uint8_t & vbat_per, uint32_t mvolts, uint8_t batt_type );
  void mvToPercent_test(uint8_t & vbat_per, uint32_t mvolts, uint8_t batt_type );
  #endif