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46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/uart/uart.h"
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#include "esphome/components/sensor/sensor.h"
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namespace esphome {
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namespace pzem004t {
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class PZEM004T : public PollingComponent, public uart::UARTDevice {
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public:
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void set_voltage_sensor(sensor::Sensor *voltage_sensor) { voltage_sensor_ = voltage_sensor; }
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void set_current_sensor(sensor::Sensor *current_sensor) { current_sensor_ = current_sensor; }
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void set_power_sensor(sensor::Sensor *power_sensor) { power_sensor_ = power_sensor; }
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void set_energy_sensor(sensor::Sensor *energy_sensor) { energy_sensor_ = energy_sensor; }
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void setup() override;
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void loop() override;
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void update() override;
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void dump_config() override;
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protected:
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sensor::Sensor *voltage_sensor_{nullptr};
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sensor::Sensor *current_sensor_{nullptr};
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sensor::Sensor *power_sensor_{nullptr};
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sensor::Sensor *energy_sensor_{nullptr};
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enum PZEM004TReadState {
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SET_ADDRESS = 0xB4,
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READ_VOLTAGE = 0xB0,
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READ_CURRENT = 0xB1,
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READ_POWER = 0xB2,
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READ_ENERGY = 0xB3,
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DONE = 0x00,
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} read_state_{DONE};
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void write_state_(PZEM004TReadState state);
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uint32_t last_read_{0};
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};
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} // namespace pzem004t
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} // namespace esphome
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