user
81 lines
1.7 KiB
C++
81 lines
1.7 KiB
C++
#ifndef FREERTOS_INTEGRATION_MODEL_HPP
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#define FREERTOS_INTEGRATION_MODEL_HPP
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#include <cstddef>
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#include <cstdint>
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#include <type_traits>
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namespace integration
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{
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enum class MessageKind : std::uint32_t
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{
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sample = 1U,
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end = 2U
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};
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struct Sample
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{
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std::uint32_t sequence;
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std::uint32_t value;
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MessageKind kind;
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};
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struct Report
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{
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std::uint32_t sequence;
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std::uint32_t transformed;
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MessageKind kind;
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};
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enum class TraceStage : std::uint32_t
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{
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inventory = 1U,
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barrier = 2U,
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isr_kick = 3U,
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producer_kick = 4U,
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reporter_resume = 5U,
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timer_callback = 6U,
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input_queued = 7U,
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input_dropped = 8U,
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report_created = 9U,
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report_received = 10U,
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end_marker = 11U,
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final_report = 12U
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};
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struct TraceEvent
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{
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std::uint32_t sequence;
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std::uint32_t tick;
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TraceStage stage;
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std::uint32_t value;
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};
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[[nodiscard]] constexpr Report transform( Sample sample ) noexcept
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{
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return { sample.sequence, sample.value * 2U, sample.kind };
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}
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[[nodiscard]] inline std::uint32_t trace_digest( const TraceEvent * events,
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std::size_t count ) noexcept
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{
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std::uint32_t hash = 2166136261U;
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for( std::size_t index = 0U; index < count; ++index )
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{
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hash = ( hash ^ events[ index ].sequence ) * 16777619U;
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hash = ( hash ^ events[ index ].tick ) * 16777619U;
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hash = ( hash ^ static_cast< std::uint32_t >( events[ index ].stage ) ) *
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16777619U;
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hash = ( hash ^ events[ index ].value ) * 16777619U;
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}
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return hash;
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}
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static_assert( std::is_trivially_copyable_v< Sample > );
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static_assert( std::is_trivially_copyable_v< Report > );
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} // namespace integration
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#endif
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