charger.h

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#ifndef CHARGER_H
#define CHARGER_H
 
#include <cstdint>
#include <string>
 
namespace lampda {
namespace power {
namespace charger {
 
bool setup();
void loop();
void shutdown();
 
void set_enable_charge(const bool shouldCharge);
 
struct Charger_t
{
  bool areMeasuresOk = false;
  bool isChargeOkSignalHigh;
  bool isInOtg;
 
  uint32_t lastUpdateTime_ms = 0;
 
  uint16_t inputCurrent_mA = 0;
  uint16_t chargeCurrent_mA = 0;
  uint16_t powerRail_mV = 0;
 
  uint16_t batteryVoltage_mV = 0;
  int16_t batteryCurrent_mA = 0;
 
  enum class ChargerStatus_t
  {
    UNINITIALIZED,
 
    INACTIVE,
    POWER_DETECTED,
    SLOW_CHARGING,
    CHARGING,
    CHARGE_FINISHED,
 
    ERROR_BATTERY_MISSING,
    ERROR_SOFTWARE,
    ERROR_HARDWARE
  };
  ChargerStatus_t status = ChargerStatus_t::UNINITIALIZED;
 
  bool is_charging() const;
  bool is_effectivly_charging() const;
  bool is_charge_finished() const;
  std::string get_status_str() const;
 
  std::string hardwareErrorMessage = "";
  std::string softwareErrorMessage = "";
};
 
bool is_vbus_powered();
 
bool can_use_vbus_power();
 
void control_OTG(const uint16_t mv, const uint16_t ma);
 
bool is_vbus_signal_detected();
 
Charger_t get_state();
 
} // namespace charger
} // namespace power
} // namespace lampda
 
#endif // CHARGER_H