AMiRo-OS

/*

 * ADC for monitoring the system voltage and handling the charger logic

 */

#ifndef AMIRO_ADCONVERTER_HPP

#define AMIRO_ADCONVERTER_HPP

#include <ch.hpp>

#include <hal.h>

#include <evtimer.h>

namespace amiro {

class ADConverter : public chibios_rt::BaseStaticThread<256>

{

public:

  enum Events {

    EVT_WATCHDOG = 0x00,

    EVT_TIMER = 0x01

  };

  static uint16_t uV2Adc(const uint32_t uV);

  static uint32_t adc2uV(const uint16_t adc);

private:

  ADCDriver& driver;

  ADCConversionGroup& conversion_group;

  uint32_t watchdog_threshold_uV;

  chibios_rt::EvtListener evt_listener;

  chibios_rt::EvtSource* evt_source;

  EvTimer evt_timer;

public:

  ADConverter(ADCDriver &adcdrv, ADCConversionGroup& adccgrp, const uint32_t threshold_uV);

  virtual ~ADConverter();

  ADCConversionGroup& getConversionGroup() {return this->conversion_group;}

  const ADCConversionGroup& getConversionGroup() const {return this->conversion_group;}

protected:

  virtual msg_t main(void);

private:

  void enableWatchdog(const bool enable = true);

};

}

#endif // AMIRO_ADCONVERTER_HPP