Rune Harlyk
75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
#pragma once
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/**
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* ESP32 SvelteKit
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*
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* A simple, secure and extensible framework for IoT projects for ESP32 platforms
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* with responsive Sveltekit front-end built with TailwindCSS and DaisyUI.
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* https://github.com/theelims/ESP32-sveltekit
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*
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* Copyright (C) 2023 theelims
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* Copyright (C) 2024 runeharlyk
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*
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* All Rights Reserved. This software may be modified and distributed under
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* the terms of the LGPL v3 license. See the LICENSE file for details.
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**/
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#include <EventSocket.h>
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#include <JsonUtils.h>
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#include <Peripherals.h>
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#define ADC_VOLTAGE 0
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#define ADC_CURRENT 1
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#define ADC_BUTTON 2
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#define EVENT_BATTERY "battery"
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#define BATTERY_INTERVAL 10000
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#define BATTERY_CHECK_INTERVAL 1000
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// #define CURRENT_FACTOR 0.185 // 5A
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// #define CURRENT_FACTOR 0.100 // 20A
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#define CURRENT_FACTOR 0.066 // 30A
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#define VOLTAGE_THRESHOLD 6.4
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#define CURRENT_THRESHOLD 5
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class BatteryService {
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public:
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BatteryService(Peripherals *peripherals, EventSocket *socket);
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void begin();
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void loop() {
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unsigned long currentMillis = millis();
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if (!_lastUpdate || (currentMillis - _lastUpdate) >= BATTERY_CHECK_INTERVAL) {
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_lastUpdate = currentMillis;
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updateBattery();
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}
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if (!_lastEmit || (currentMillis - _lastEmit) >= BATTERY_INTERVAL) {
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_lastEmit = currentMillis;
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batteryEvent();
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}
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}
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void updateBattery() {
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_voltage = _peripherals->readADCVoltage(ADC_VOLTAGE);
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float voltage = _peripherals->readADCVoltage(ADC_CURRENT);
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_current = (voltage - 2.5) / CURRENT_FACTOR;
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}
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float getVoltage() { return _voltage; }
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float getCurrent() { return _current; }
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private:
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void batteryEvent();
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EventSocket *_socket;
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Peripherals *_peripherals;
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unsigned long _lastUpdate;
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unsigned long _lastEmit;
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float _voltage = 0;
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float _current = 0;
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};
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