unit_av_base.hpp

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/*
 * SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
 *
 * SPDX-License-Identifier: MIT
 */
#ifndef M5_UNIT_METER_UNIT_AV_BASE_HPP
#define M5_UNIT_METER_UNIT_AV_BASE_HPP
 
#include "unit_ADS1115.hpp"
#include "unit_EEPROM.hpp"
 
namespace m5 {
namespace unit {
 
class UnitAVmeterBase : public UnitADS1115 {
    M5_UNIT_COMPONENT_HPP_BUILDER(UnitAVmeterBase, 0x00);
 
public:
    explicit UnitAVmeterBase(const uint8_t addr = DEFAULT_ADDRESS, const uint8_t eepromAddr = 0x00);
    virtual ~UnitAVmeterBase()
    {
    }
 
    virtual bool begin() override;
 
    inline float calibrationFactor() const
    {
        return _calibrationFactor;
    }
 
    virtual bool writeGain(const ads111x::Gain gain) override;
 
protected:
    std::shared_ptr<Adapter> ensure_adapter(const uint8_t ch);
    void apply_calibration(const ads111x::Gain gain);
    bool validChild() const
    {
        return _valid;
    }
 
protected:
    m5::unit::meter::UnitEEPROM _eeprom{};
 
private:
    float _calibrationFactor{1.0f};
    bool _valid{};  // Did the constructor correctly add the child unit?
};
 
}  // namespace unit
}  // namespace m5
#endif