AMiRo-OS

/*

 * BQ24103A - Battery Charger

 */

#ifndef AMIRO_BQ24103A_H_

#define AMIRO_BQ24103A_H_

namespace amiro {

class BaseBQ24103A

{

public:

  BaseBQ24103A()

  {}

  virtual ~BaseBQ24103A()

  {}

  virtual void enable(const bool en = true) = 0;

  virtual bool isEnabled() const = 0;

  virtual bool isCharging() const = 0;

};

template <uintptr_t EN_PadGrp, uint32_t EN_Pad, uintptr_t STAT_PadGrp, uint32_t STAT_Pad>

class BQ24103A : public BaseBQ24103A

{

private:

  bool is_enabled;

public:

  BQ24103A(const bool enable = false) :

    is_enabled(enable)

  {

    this->enable(enable);

  }

  virtual ~BQ24103A()

  {}

  void enable(const bool enable = true)

  {

    // writing to a port is not atomic, thus the system must be locked

    chSysLock();

    palWritePad((GPIO_TypeDef*)EN_PadGrp, EN_Pad, (enable? PAL_LOW : PAL_HIGH));

    this->is_enabled = enable;

    chSysUnlock();

    return;

  }

  bool isEnabled() const

  {

    return this->is_enabled;

  }

  bool isCharging() const

  {

    return (palReadPad((GPIO_TypeDef*)STAT_PadGrp, STAT_Pad) == PAL_LOW);

  }

};

}

#endif /* AMIRO_BQ24103A_H_ */