3595725f8a
this extends the MqttBattery implementation by an additional topic which allows to subscribe to receive battery voltage readings through the MQTT broker. similar to the battery SoC topic, this allows to import a critical battery data point for the DPL, in case the user chooses to use voltage thresholds rather than SoC thresholds to control the DPL. if an otherwise incompatible BMS is available which publishes the battery pack voltage through MQTT, this can now be used to feed accurate voltage readings to the DPL.
28 lines
1.0 KiB
C++
28 lines
1.0 KiB
C++
#pragma once
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#include <optional>
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#include "Battery.h"
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#include <espMqttClient.h>
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class MqttBattery : public BatteryProvider {
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public:
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MqttBattery() = default;
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bool init(bool verboseLogging) final;
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void deinit() final;
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void loop() final { return; } // this class is event-driven
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std::shared_ptr<BatteryStats> getStats() const final { return _stats; }
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private:
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bool _verboseLogging = false;
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String _socTopic;
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String _voltageTopic;
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std::shared_ptr<MqttBatteryStats> _stats = std::make_shared<MqttBatteryStats>();
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std::optional<float> getFloat(std::string const& src, char const* topic);
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void onMqttMessageSoC(espMqttClientTypes::MessageProperties const& properties,
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char const* topic, uint8_t const* payload, size_t len, size_t index, size_t total);
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void onMqttMessageVoltage(espMqttClientTypes::MessageProperties const& properties,
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char const* topic, uint8_t const* payload, size_t len, size_t index, size_t total);
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};
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