ESPMegaPRO-v3-SDK/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/CurrentTransformer.hpp

47 lines
1.6 KiB
C++

#pragma once
#include <AnalogCard.hpp>
#include <FRAM.h>
#include <map>
/**
* @brief The CurrentTransformer class is a class for reading the current and energy from a current transformer that's connected to the AnalogCard.
* Also supports storing energy to FRAM.
*/
class CurrentTransformer
{
public:
CurrentTransformer(AnalogCard* analogCard, uint8_t pin, float *voltage, std::function<float(uint16_t)> adcToCurrent, uint32_t conversionInterval);
void bindFRAM(FRAM *fram, uint32_t framAddress); // Takes 16 bytes of FRAM (long double energy)
void begin();
void loop();
void beginConversion();
void setEnergy(float energy);
void resetEnergy();
float getCurrent();
long double getEnergy();
float getPower();
void saveEnergy();
void loadEnergy();
void setEnergyAutoSave(bool autoSave);
float getVoltage();
uint8_t registerCallback(std::function<void(float, double)> callback);
void unregisterCallback(uint8_t handler);
private:
AnalogCard* analogCard;
uint8_t pin;
uint32_t framAddress;
FRAM *fram;
uint32_t conversionInterval;
bool autoSave;
float calibration;
double energy;
float current;
float *voltage;
uint32_t lastConversionTime;
std::function<float(uint16_t)> adcToCurrent; // std::function that convert adc value to current in amps
uint8_t handler_count = 0;
std::map<uint8_t,std::function<void(float, double)>> callbacks;
};