mirror of https://github.com/rusefi/rusefi.git
37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
#pragma once
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#include "efitime.h"
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/**
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* Helper class with "has X amount of time elapsed since most recent reset" methods
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* Brand new instances have most recent reset time far in the past, i.e. "hasElapse" is true for any reasonable range
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*/
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class Timer {
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public:
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void reset();
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// Reset the timer to a known timestamp (don't take a timestamp internally)
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void reset(efitick_t nowNt);
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bool hasElapsedSec(float seconds) const;
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bool hasElapsedMs(float ms) const;
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bool hasElapsedUs(float us) const;
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// Return the elapsed time since the last reset.
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// If the elapsed time is longer than 2^32 timer tick counts,
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// then a time period representing 2^32 counts will be returned.
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float getElapsedSeconds() const;
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float getElapsedSeconds(efitick_t nowNt) const;
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float getElapsedUs() const;
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// WOW yes returns US while parameter is NT
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float getElapsedUs(efitick_t nowNt) const;
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// Perform an atomic update event based on the passed timestamp,
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// returning the delta between the last reset and the provided timestamp
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float getElapsedSecondsAndReset(efitick_t nowNt);
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private:
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// Use not-quite-minimum value to avoid overflow
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efitick_t m_lastReset = INT64_MIN / 8;
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};
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