1c07249b2c
The database ist stored persistently on LittleFS. The AC total energy is written every hour to the database, together with a timestamp. Each entry to the database requires 8 bytes on the LittleFS partition. The database can be read with the API call /api/database Ralf Bauer
28 lines
522 B
C++
28 lines
522 B
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <Arduino.h>
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#include <ESPAsyncWebServer.h>
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#define DATABASE_FILENAME "/database.bin"
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class WebApiDatabaseClass {
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public:
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void init(AsyncWebServer* server);
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void loop();
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bool write(float energy);
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struct Data {
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uint8_t tm_year;
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uint8_t tm_mon;
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uint8_t tm_mday;
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uint8_t tm_hour;
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float energy;
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};
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private:
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void onDatabase(AsyncWebServerRequest* request);
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AsyncWebServer* _server;
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};
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