d99cfd5b31
"powertotal" is always published and it is published by the base class directly. other values are still published by the derived classes, but use a base class method, which takes care that a common base topic is used in particular.
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <atomic>
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#include "Configuration.h"
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class PowerMeterProvider {
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public:
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virtual ~PowerMeterProvider() { }
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enum class Type : unsigned {
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MQTT = 0,
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SDM1PH = 1,
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SDM3PH = 2,
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HTTP_JSON = 3,
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SERIAL_SML = 4,
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SMAHM2 = 5,
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HTTP_SML = 6
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};
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// returns true if the provider is ready for use, false otherwise
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virtual bool init() = 0;
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virtual void deinit() = 0;
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virtual void loop() = 0;
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virtual float getPowerTotal() const = 0;
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uint32_t getLastUpdate() const { return _lastUpdate; }
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bool isDataValid() const;
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void mqttLoop() const;
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protected:
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PowerMeterProvider() {
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auto const& config = Configuration.get();
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_verboseLogging = config.PowerMeter.VerboseLogging;
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}
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void gotUpdate() { _lastUpdate = millis(); }
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void mqttPublish(String const& topic, float const& value) const;
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bool _verboseLogging;
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private:
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virtual void doMqttPublish() const = 0;
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// gotUpdate() updates this variable potentially from a different thread
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// than users that request to read this variable through getLastUpdate().
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std::atomic<uint32_t> _lastUpdate = 0;
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mutable uint32_t _lastMqttPublish = 0;
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};
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