lab-rv32i-freertos-scheduler-states/doc/generated/main.tex

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\begin{document}
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\vspace{1.0em}
\noindent{\Large\bfseries Cel karty}\par
\vspace{0.35em}
Uczeń przewiduje i odtwarza stany dwóch tasków, mierzy blokadę w tickach i dowodzi natychmiastowego wywłaszczenia porządkiem BEFORE--HIGH--AFTER.

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\vspace{0.7em}
\noindent{\Large\bfseries Zakres karty}\par
\vspace{0.35em}
Jedno zadanie uruchamia prawdziwy scheduler FreeRTOS na Hazard3. Warstwa C++ dodaje tylko typy \texttt{Ticks}, \texttt{TickPoint} oraz nieposiadający \texttt{TaskRef}; pełna fasada schedulera i własność taska są poza zakresem.

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\section{Stan i gotowość do wykonania}
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\begingroup
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\noindent drzewka: \pdftooltip[width=\textwidth]{D1}{K04.WE01.OG.LOCAL.RTOS.MODEL.01 | WE 01: Stany, priorytety i ticki. Przewidzenie i\textCR udowodnienie decyzji schedulera FreeRTOS. | EN LOCAL RTOS.MODEL.01: Analizuje gotowość,\textCR stan, priorytet i jednostkę czasu. | KW LOCAL RTOS.MODEL.01: Wyjaśnia BLOCKED mimo wysokiego\textCR priorytetu oraz relative delay kontra periodic reference.}\par
\vspace{0.10em}%
\noindent K1: Wypełnij tabelę stanów przed uruchomieniem kodu.\quad D1\par
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\noindent K2: Wyjaśnij, dlaczego BLOCKED/p4 przegrywa z READY/p2.\quad D1\par
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Zadanie o najwyższym priorytecie wygrywa tylko wtedy, gdy jest gotowe. Przewidź READY, RUNNING, BLOCKED i DELETED w ośmiu punktach.
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\section{Time slicing i blokada na trzy ticki}
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\scriptsize\ttfamily\color{black!60}\sloppy
\noindent drzewka: \pdftooltip[width=\textwidth]{D1}{K04.WE01.TECH.LOCAL.DBG.SCHED.01 | WE 01: Stany, priorytety i ticki. Przewidzenie i\textCR udowodnienie decyzji schedulera FreeRTOS. | EK LOCAL DBG.SCHED.01: Koreluje snapshoty, ticki\textCR i kolejność wykonania z decyzjami kernela. | KW LOCAL DBG.SCHED.01: Pokazuje X,Y,X;\textCR elapsed=3; A BLOCKED; B/p3 oraz porządek 1,2,3.}\par
\vspace{0.10em}%
\noindent K1: Sprawdź relację first==third i first!=second.\quad D1\par
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\noindent K2: Zapisz snapshot BLOCKED/RUNNING oraz trzy ticki elapsed.\quad D1\par
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Dopuść A--B--A albo B--A--B, a następnie pokaż A jako BLOCKED i różnicę end-start równą 3 ticki.
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\section{Natychmiastowe wywłaszczenie po zmianie priorytetu}
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\begingroup
\scriptsize\ttfamily\color{black!60}\sloppy
\noindent drzewka: \pdftooltip[width=\textwidth]{D1}{K04.WE01.TECH.LOCAL.DBG.SCHED.01 | WE 01: Stany, priorytety i ticki. Przewidzenie i\textCR udowodnienie decyzji schedulera FreeRTOS. | EK LOCAL DBG.SCHED.01: Koreluje snapshoty, ticki\textCR i kolejność wykonania z decyzjami kernela. | KW LOCAL DBG.SCHED.01: Pokazuje X,Y,X;\textCR elapsed=3; A BLOCKED; B/p3 oraz porządek 1,2,3.}\par
\vspace{0.10em}%
\noindent K1: Pokaż B jako RUNNING/p3, gdy A jest READY/p2.\quad D1\par
\ESCTinyStepSeparator
\noindent K2: Udowodnij porządek markerów 1,2,3.\quad D1\par
\par\vspace{0.18em}%
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A zapisuje BEFORE=1, podnosi B do p3 i dopiero po wznowieniu zapisuje AFTER=3. B musi zapisać HIGH=2 pomiędzy nimi.
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\section{Typy i granica nieposiadającej referencji}
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\begingroup
\scriptsize\ttfamily\color{black!60}\sloppy
\noindent drzewka: \pdftooltip[width=\textwidth]{D1}{K04.WE01.OG.LOCAL.RTOS.MODEL.01 | WE 01: Stany, priorytety i ticki. Przewidzenie i\textCR udowodnienie decyzji schedulera FreeRTOS. | EN LOCAL RTOS.MODEL.01: Analizuje gotowość,\textCR stan, priorytet i jednostkę czasu. | KW LOCAL RTOS.MODEL.01: Wyjaśnia BLOCKED mimo wysokiego\textCR priorytetu oraz relative delay kontra periodic reference.}\par
\vspace{0.10em}%
\noindent K1: Porównaj vTaskDelay z xTaskDelayUntil.\quad D1\par
\ESCTinyStepSeparator
\noindent K2: Uzasadnij brak odczytu przez TaskRef po delete.\quad D1\par
\par\vspace{0.18em}%
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Ticks opisuje czas trwania, TickPoint punkt licznika, a TaskRef tylko widok uchwytu. Po usunięciu taska widok może wisieć.
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\end{document}