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36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/time/real_time_clock.h"
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namespace esphome {
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namespace sntp {
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/// The SNTP component allows you to configure local timekeeping via Simple Network Time Protocol.
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///
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/// \note
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/// The C library (newlib) available on ESPs only supports TZ strings that specify an offset and DST info;
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/// you cannot specify zone names or paths to zoneinfo files.
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/// \see https://www.gnu.org/software/libc/manual/html_node/TZ-Variable.html
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class SNTPComponent : public time::RealTimeClock {
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public:
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SNTPComponent(const std::vector<std::string> &servers) : servers_(servers) {}
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// Note: set_servers() has been removed and replaced by a constructor - calling set_servers after setup would
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// have had no effect anyway, and making the strings immutable avoids the need to strdup their contents.
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void setup() override;
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void dump_config() override;
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float get_setup_priority() const override { return setup_priority::BEFORE_CONNECTION; }
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void update() override;
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void loop() override;
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protected:
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std::vector<std::string> servers_;
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bool has_time_{false};
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};
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} // namespace sntp
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} // namespace esphome
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