322 lines
18 KiB
TeX
322 lines
18 KiB
TeX
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\noindent{\Large\bfseries Cel karty}\par
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\vspace{0.35em}
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Uczeń wyjaśnia, kiedy kolejka blokuje sendera lub receivera, oraz dowodzi, że FreeRTOS kopiuje stałą liczbę bajtów do własnego storage.
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\noindent{\Large\bfseries Zakres karty}\par
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\vspace{0.35em}
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Kolejka długości 1 przenosi M1, M2 i M3. Receiver blokuje się na pustej kolejce, sender na pełnej. Po wysłaniu M2 źródło zmienia się na 0xDEAD, lecz receiver odbiera niezmienione 0x2222. Verifier sprawdza FIFO, publiczny stan eBlocked, osobne stosy i digest dziesięciu zdarzeń.
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\vspace{0.55em}
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\small\begin{tabularx}{\textwidth}{@{}>{\ttfamily\raggedright\arraybackslash}p{0.85cm}>{\ttfamily\raggedright\arraybackslash}p{1.45cm}X>{\raggedright\arraybackslash}p{2.45cm}>{\raggedright\arraybackslash}p{1.75cm}>{\ttfamily\raggedright\arraybackslash}p{1.50cm}@{}}
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\textbf{Lekcja} & \textbf{Task} & \textbf{Najważniejsza idea} & \textbf{Priorytet} & \textbf{Status} & \textbf{Version} \\ \hline
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\hline
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\multicolumn{1}{|l|}{\textbf{\texttt{FC05}}} & \multicolumn{1}{l|}{\textbf{\texttt{Task01}}} & \multicolumn{1}{l|}{\textbf{xQueueSend, xQueueReceive, wait lists i ownership danych}} & \multicolumn{1}{l|}{\textbf{główny}} & \multicolumn{1}{l|}{\textbf{opracowane}} & \multicolumn{1}{l|}{\textbf{\texttt{v00.01}}} \\ \hline
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\normalsize
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\vspace{0.8em}
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\noindent{\small\bfseries A2 — Structure \hfill część 1/1 \textperiodcentered\ r1 c1}\par
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\vspace{0.35em}
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\begin{figure}[H]
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\centering
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\includegraphics[width=0.75\linewidth,trim=0.000bp 0.000bp 0.000bp 0.000bp,clip]{\detokenize{../assets/a2-structure.png}}
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\caption{A2 STRUCTURE — message, queue i trzy taski. — część 1/1 (r1 c1).}
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\label{fig:a2-structure}
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\noindent{\small\bfseries A5 — Flow \hfill część 1/1 \textperiodcentered\ r1 c1}\par
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\vspace{0.35em}
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\begin{figure}[H]
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\centering
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\includegraphics[width=0.85\linewidth,trim=0.000bp 0.000bp 0.000bp 0.000bp,clip]{\detokenize{../assets/a5-flow.png}}
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\caption{A5 FLOW — trzy komunikaty przez kolejkę długości 1. — część 1/1 (r1 c1).}
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\label{fig:a5-flow}
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\noindent{\small\bfseries A6 — State \hfill część 1/1 \textperiodcentered\ r1 c1}\par
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\vspace{0.35em}
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\begin{figure}[H]
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\centering
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\includegraphics[width=0.95213\linewidth,trim=0.000bp 0.000bp 0.000bp 0.000bp,clip]{\detokenize{../assets/a6-state.png}}
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\caption{A6 STATE — EMPTY, FULL, handoff i FIFO. — część 1/1 (r1 c1).}
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\label{fig:a6-state}
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\noindent{\small\bfseries A7 — Runtime \hfill część 1/1 \textperiodcentered\ r1 c1}\par
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\vspace{0.35em}
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\begin{figure}[H]
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\centering
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\caption{A7 RUNTIME — sender Blocked na pełnej kolejce. — część 1/1 (r1 c1).}
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\label{fig:a7-runtime}
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\noindent{\small\bfseries A8 — Patterns \hfill część 1/1 \textperiodcentered\ r1 c1}\par
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\vspace{0.35em}
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\begin{figure}[H]
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\centering
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\includegraphics[width=0.74545\linewidth,trim=0.000bp 0.000bp 0.000bp 0.000bp,clip]{\detokenize{../assets/a8-patterns.png}}
|
||
\caption{A8 PATTERNS — value kontra pointer message. — część 1/1 (r1 c1).}
|
||
\label{fig:a8-patterns}
|
||
\end{figure}
|
||
\ESCSectionBlockEnd
|
||
|
||
\clearpage
|
||
\ESCSectionBlockStart
|
||
\section{Task01 — queue i FIFO}
|
||
|
||
\begin{ESCTaskFrame}{TASK01 · Kolejka długości 1: empty, full, copy i FIFO}
|
||
{\scriptsize\ttfamily 8ee8f36a-471b-51bc-97b8-e204bd541c61}\par
|
||
\begin{ESCBlockFrame}{A — model i przewidywanie}
|
||
Najpierw rozrysuj EMPTY/FULL i kolejność M1–M3.
|
||
\begin{ESCStepFrame}{wait-lists · Wskaż dwa wait lists.}
|
||
Określ, które API blokuje task na EMPTY i FULL.
|
||
\end{ESCStepFrame}
|
||
\begin{ESCStepFrame}{copy · Przewidź wynik mutacji.}
|
||
Zapisz wartość M2 przed uruchomieniem replay.
|
||
\end{ESCStepFrame}
|
||
\end{ESCBlockFrame}
|
||
\begin{ESCBlockFrame}{B — replay Hazard3}
|
||
Każdy RUN rozpoczyna czystą RAM i kończy stabilnym checkpointem.
|
||
\begin{ESCStepFrame}{empty-full · Zbadaj E02 i E06.}
|
||
Porównaj occupancy oraz stan receivera/sendera.
|
||
\end{ESCStepFrame}
|
||
\begin{ESCStepFrame}{byte-copy · Zbadaj E05 i E07.}
|
||
Porównaj source, queue storage i received M2.
|
||
\end{ESCStepFrame}
|
||
\begin{ESCStepFrame}{finish · Zbadaj E08–E10.}
|
||
Sprawdź FIFO, bounded log i digest.
|
||
\end{ESCStepFrame}
|
||
\end{ESCBlockFrame}
|
||
\begin{ESCBlockFrame}{Ćwiczenie · Ćwiczenie — pointer payload}
|
||
Zmień item na wskaźnik do statycznej puli trzech buforów. Zdefiniuj ownership, mutability i moment zwrotu slotu, a następnie dodaj checksum generacji zapobiegający ABA.
|
||
\par\textbf{Evidence:} Diagram A8 po zmianie, snapshot puli oraz kanoniczny digest trzech komunikatów.
|
||
\par\textbf{Acceptance:} Uczeń nie dereferencjonuje obiektu po zwrocie slotu i potrafi wskazać właściciela w każdym checkpointcie.
|
||
\end{ESCBlockFrame}
|
||
\tcblower\textbf{Task acceptance:} Program kończy się PASS; sender jest eBlocked na FULL; odbiór ma kolejność 1/2/3; M2 pozostaje 0x2222 po mutacji źródła; ślad i hashe są stabilne.
|
||
\end{ESCTaskFrame}
|
||
\begin{ESCConclusionFrame}
|
||
Queue occupancy jest przyczyną blokowania, priorytet steruje handoff, a queue storage zachowuje własną kopię itemu. Pointer payload wymagałby osobnego kontraktu ownership.
|
||
\end{ESCConclusionFrame}
|
||
\ESCSectionBlockEnd
|
||
|
||
\end{document}
|