6c06e71fd0
a 9600 baud serial interface does not need a hardware UART. these changes switch the SDM power meter implementation to use a software serial instance instead. this is desirable as hardware UARTs are scarce and users need them for JK BMS and VE.Direct interfaces.
61 lines
1.5 KiB
C++
61 lines
1.5 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 <mutex>
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#include <condition_variable>
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#include <SoftwareSerial.h>
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#include "Configuration.h"
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#include "PowerMeterProvider.h"
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#include "SDM.h"
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class PowerMeterSerialSdm : public PowerMeterProvider {
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public:
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enum class Phases {
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One,
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Three
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};
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PowerMeterSerialSdm(Phases phases, PowerMeterSerialSdmConfig const& cfg)
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: _phases(phases)
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, _cfg(cfg) { }
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~PowerMeterSerialSdm();
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bool init() final;
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void loop() final { } // polling is performed asynchronously
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float getPowerTotal() const final;
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bool isDataValid() const final;
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void doMqttPublish() const final;
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private:
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static void pollingLoopHelper(void* context);
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bool readValue(std::unique_lock<std::mutex>& lock, uint16_t reg, float& targetVar);
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std::atomic<bool> _taskDone;
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void pollingLoop();
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Phases _phases;
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PowerMeterSerialSdmConfig const _cfg;
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uint32_t _lastPoll = 0;
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float _phase1Power = 0.0;
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float _phase2Power = 0.0;
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float _phase3Power = 0.0;
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float _phase1Voltage = 0.0;
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float _phase2Voltage = 0.0;
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float _phase3Voltage = 0.0;
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float _energyImport = 0.0;
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float _energyExport = 0.0;
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mutable std::mutex _valueMutex;
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std::unique_ptr<SoftwareSerial> _upSdmSerial = nullptr;
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std::unique_ptr<SDM> _upSdm = nullptr;
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TaskHandle_t _taskHandle = nullptr;
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bool _stopPolling;
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mutable std::mutex _pollingMutex;
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std::condition_variable _cv;
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};
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