40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "Configuration.h"
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#include "PowerMeterProvider.h"
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#include <espMqttClient.h>
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#include <vector>
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#include <mutex>
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#include <array>
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class PowerMeterMqtt : public PowerMeterProvider {
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public:
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explicit PowerMeterMqtt(PowerMeterMqttConfig const& cfg)
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: _cfg(cfg) { }
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~PowerMeterMqtt();
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bool init() final;
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void loop() final { }
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float getPowerTotal() const final;
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private:
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using MsgProperties = espMqttClientTypes::MessageProperties;
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void onMessage(MsgProperties const& properties, char const* topic,
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uint8_t const* payload, size_t len, size_t index,
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size_t total, float* targetVariable, PowerMeterMqttValue const* cfg);
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// we don't need to republish data received from MQTT
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void doMqttPublish() const final { };
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PowerMeterMqttConfig const _cfg;
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using power_values_t = std::array<float, POWERMETER_MQTT_MAX_VALUES>;
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power_values_t _powerValues;
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std::vector<String> _mqttSubscriptions;
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mutable std::mutex _mutex;
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};
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