30 lines
708 B
C
30 lines
708 B
C
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#pragma once
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#include <chrono>
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#include <cmath>
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#include <limits>
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#include <string>
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#include <tuple>
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class HoldTime {
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public:
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HoldTime(double time);
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~HoldTime();
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/**
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* @brief
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* @param exp_str My Param doc
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* @return std::tuple<bool, double, std::string, std::string>
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* 是否存在，时间，tagi，变量名
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*/
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static std::tuple<bool, double, std::string, std::string> find_hold(
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std::string exp_str);
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public:
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void update_value(double tag_value);
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inline operator bool(void) const { return value; }
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inline bool get_value(void) const { return value; }
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private:
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double last_value;
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double hold_time;
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bool value;
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std::chrono::system_clock::time_point last_time;
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};
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