27 lines
859 B
C++
27 lines
859 B
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <ArduinoJson.h>
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#include <LittleFS.h>
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#include <cstdint>
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#include <utility>
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class Utils {
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public:
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static uint32_t getChipId();
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static uint64_t generateDtuSerial();
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static int getTimezoneOffset();
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static bool checkJsonAlloc(const JsonDocument& doc, const char* function, const uint16_t line);
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static void removeAllFiles();
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static String generateMd5FromFile(String file);
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static void skipBom(File& f);
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/* OpenDTU-OnBatter-specific utils go here: */
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template<typename T>
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static std::pair<T, String> getJsonValueByPath(JsonDocument const& root, String const& path);
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template <typename T>
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static std::optional<T> getNumericValueFromMqttPayload(char const* client,
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std::string const& src, char const* topic, char const* jsonPath);
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};
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