pzemdc.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/modbus/modbus.h"
 
#include <span>
 
namespace esphome::pzemdc {
 
class PZEMDC final : public PollingComponent, public modbus::ModbusClientDevice {
 public:
  void set_voltage_sensor(sensor::Sensor *voltage_sensor) { voltage_sensor_ = voltage_sensor; }
  void set_current_sensor(sensor::Sensor *current_sensor) { current_sensor_ = current_sensor; }
  void set_power_sensor(sensor::Sensor *power_sensor) { power_sensor_ = power_sensor; }
  void set_energy_sensor(sensor::Sensor *energy_sensor) { energy_sensor_ = energy_sensor; }
 
  void update() override;
 
  void on_read_input_registers(uint16_t start_address, std::span<const uint16_t> registers,
                               modbus::ResponseStatus status) override;
  void on_custom_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu,
                          modbus::ResponseStatus status) override;
 
  void dump_config() override;
 
  void reset_energy();
 
 protected:
  sensor::Sensor *voltage_sensor_{nullptr};
  sensor::Sensor *current_sensor_{nullptr};
  sensor::Sensor *power_sensor_{nullptr};
  sensor::Sensor *energy_sensor_{nullptr};
};
 
}  // namespace esphome::pzemdc