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0659f0940b
* Refactored type organization * Creating better configuration/types header hierarchy * Replace FpConfig type aliases with FPP generated aliases * Add the aliases to the FPP model * Config + Type Aliases builds * Renamed Fw/Types.h,hpp to Fw/FPrimeBasicTypes.h,hpp * Updating to FPP-a7 * Adding newline * sp * Fixing minor nit from review * Spurious ; --------- Co-authored-by: Andrei Tumbar <andrei.tumbar@jpl.nasa.gov>
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
// ======================================================================
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// \title OnChangeChannel.hpp
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// \author Rob Bocchino
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// \brief A model of an on-change channel for testing
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//
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// \copyright
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// Copyright (C) 2023 California Institute of Technology.
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// ALL RIGHTS RESERVED. United States Government Sponsorship
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// acknowledged. Any commercial use must be negotiated with the Office
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// of Technology Transfer at the California Institute of Technology.
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// ======================================================================
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#ifndef TestUtils_OnChangeChannel_HPP
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#define TestUtils_OnChangeChannel_HPP
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#include <Fw/FPrimeBasicTypes.hpp>
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#include <cstring>
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#include "TestUtils/Option.hpp"
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namespace TestUtils {
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//! The status of an on-change telemetry channel
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enum class OnChangeStatus { CHANGED, NOT_CHANGED };
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//! A model of an on-change telemetry channel
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template <typename T>
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class OnChangeChannel {
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public:
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//! Constructor
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explicit OnChangeChannel(T a_value) : value(a_value) {}
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//! Update the previous value
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OnChangeStatus updatePrev() {
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const auto status = ((!this->prev.hasValue()) || (this->value != this->prev.get()))
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? OnChangeStatus::CHANGED
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: OnChangeStatus::NOT_CHANGED;
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this->prev.set(this->value);
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return status;
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}
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public:
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//! The current value
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T value;
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private:
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//! The previous value
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Option<T> prev;
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};
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} // namespace TestUtils
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#endif
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