Wippersnapper_AnalogIO.h

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#ifndef WIPPERSNAPPER_ANALOGIO_H
#define WIPPERSNAPPER_ANALOGIO_H

#include "Wippersnapper.h"

#define DEFAULT_HYSTERISIS 0.02 


struct analogInputPin {
  int pinName;  
  bool enabled; 
  wippersnapper_pin_v1_ConfigurePinRequest_AnalogReadMode
      readMode;    
  long period;     
  long prvPeriod;  
  float prvPinVal; 
};

// forward decl.
class Wippersnapper;

/**************************************************************************/
/**************************************************************************/
class Wippersnapper_AnalogIO {
public:
  Wippersnapper_AnalogIO(int32_t totalAnalogInputPins, float aRef);
  ~Wippersnapper_AnalogIO();

  void setAref(float refVoltage);
  float getAref();

  void initAnalogInputPin(
      int pin, float period,
      wippersnapper_pin_v1_ConfigurePinRequest_Pull pullMode,
      wippersnapper_pin_v1_ConfigurePinRequest_AnalogReadMode analogReadMode);
  void
  deinitAnalogPin(wippersnapper_pin_v1_ConfigurePinRequest_Direction direction,
                  int pin);
  void disableAnalogInPin(int pin);

  uint16_t getPinValue(int pin);
  float getPinValueVolts(int pin);

  void setADCResolution(int resolution);
  int getADCresolution();
  int getNativeResolution();
  bool timerExpired(long currentTime, analogInputPin pin,
                    long periodOffset = 0);

  void update();
  bool encodePinEvent(
      uint8_t pinName,
      wippersnapper_pin_v1_ConfigurePinRequest_AnalogReadMode readMode,
      uint16_t pinValRaw = 0, float pinValVolts = 0.0);

private:
  float _aRef;           
  int _adcResolution;    
  int _nativeResolution; 
  bool scaleAnalogRead = false; 
  int32_t _totalAnalogInputPins;      
  analogInputPin *_analog_input_pins; 
};
extern Wippersnapper WS; 
#endif // WIPPERSNAPPER_DIGITALGPIO_H