285 lines
9.2 KiB
JSON
285 lines
9.2 KiB
JSON
{
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"$schema": "../../../tools/card-layouts/schemas/card-source.schema.json",
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"schema": "esc-card-source.v1",
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"card": {
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"id": "mpabi-freertos-cpp-14-sw-timer",
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"series": "freertos-cpp",
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"series_title": "FreeRTOS C++",
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"number": "14",
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"count": "16",
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"slug": "sw-timer",
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"title": "Software Timer and the Timer Daemon Task",
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"topic": "One-shot/periodic policy, daemon command queue, typed callback context and lifetime",
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"project": "Freestanding C++ nad FreeRTOS",
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"subject": "Informatyka",
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"level": "Rok 2 · L13 · RV32I/Hazard3",
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"revision_date": "2026-07-19T00:00:00+02:00",
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"status": "Gotowa",
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"version": "v00.01",
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"uuid": "78db37df-63e5-4c5b-80ce-f73a411f0b50",
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"author": "M. Pabiszczak",
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"year": "2026"
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},
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"generated": {
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"tex": "doc/generated/main.tex",
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"html": "web/index.html",
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"html_css": "web/style.css",
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"html_tree_inspector": false,
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"react_app": true
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},
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"template": "templates/karta-klasyczna.json",
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"title_block": {
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"category": "KARTA PRACY · INFORMATYKA",
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"prepared_by": "M. Pabiszczak",
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"prepared_on": "2026-07-19T00:00:00+02:00",
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"title": "Software Timer and the Timer Daemon Task",
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"repository_url": "https://zsl-gitea.mpabi.pl/edu-freertos-cpp/lab-rv32i-freertos-sw-timer",
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"revision": "v00.01",
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"issued_on": "2026-07-19T00:00:00+02:00",
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"series": "FREERTOS-CPP-14",
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"document_type": "karta pracy",
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"tool": "card-layouts",
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"show_qr": false,
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"show_repository_qr": false,
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"height_cm": 2.6,
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"repeat_on_every_page": true,
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"replace_front_matter": true,
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"url": "https://dce7fb9d-7b2f-5d49-96a2-3a30d3070b84.mpabi.pl/78db37df-63e5-4c5b-80ce-f73a411f0b50"
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},
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"front_page_scope": {
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"title": "Cel karty",
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"content_tex": "Uczeń rozdziela przyjęcie polecenia do timer queue od wykonania callbacku, mierzy one-shot/periodic timeline i dowodzi kontekstu timer daemon task.",
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"scope_title": "Zakres karty",
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"scope_content_tex": "Software timer nie jest ISR. Callback współdzieli daemon task z innymi timerami; storage i typed context muszą przeżyć wszystkie pending commands i callbacks."
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},
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"side_margin_tree_layout": {
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"columns": [
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{
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"id": "zawodowe",
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"label": "TECH",
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"side": "left",
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"tree": "WE -> EK -> KW",
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"description": "Command queue, expiry ticks, task handle/stack i static storage."
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},
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{
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"id": "ogolne",
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"label": "OG",
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"side": "right",
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"tree": "WE -> EN -> KW",
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"description": "Acceptance versus completion oraz lifetime granicy callbacku."
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}
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]
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},
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"learning_effects": {
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"K14.EN01": {
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"bloom_level": "Analiza",
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"label": "Daemon i lifetime",
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"text": "Uczeń analizuje asynchroniczne command acceptance, współdzielony daemon i lifetime timer ID/context.",
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"assessment_criteria": [
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"K14.KW01"
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]
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},
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"K14.EK01": {
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"bloom_level": "Zastosowanie",
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"label": "Timer timeline",
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"text": "Uczeń implementuje typed one-shot/periodic wrapper i mierzy start, reset, change-period, stop oraz callback context.",
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"assessment_criteria": [
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"K14.KW01"
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]
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}
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},
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"assessment_criteria": {
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"K14.KW01": {
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"text": "Program kończy się PASS; dwa starty accepted przy callback snapshot 0, reset@1 daje one-shot@6, periodic ma ticks 2/4/7 po change@4, stop usuwa aktywność, callback działa na Tmr Svc, a static create ma heap delta 0.",
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"learning_effects": [
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"K14.EN01",
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"K14.EK01"
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]
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}
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},
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"educational_requirements": {
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"K14.WE01": {
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"text": "Implementacja i dowód typed software timers na współdzielonym timer daemon tasku.",
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"label": "Software timer i daemon",
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"learning_effects": [
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"K14.EN01",
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"K14.EK01"
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],
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"learning_tree": {
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"schema": "we-learning-tree.v1",
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"policy": "Każde polecenie ma osobny dowód acceptance i osobny dowód wykonania/timeline.",
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"ogolne": [
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{
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"effect_ref": "K14.EN01",
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"display": "EN LOCAL RTOS.TIMER.01",
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"source": "LOCAL",
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"official": "RTOS.TIMER",
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"local": "01",
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"kind": "EN",
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"tree_id": "K14.WE01.OG.LOCAL.RTOS.TIMER.01",
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"text": "Analizuje kolejkę, daemon, blocking callback i lifetime contextu.",
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"kw": [
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{
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"criterion_ref": "K14.KW01",
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"display": "KW LOCAL RTOS.TIMER.01",
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"source": "LOCAL",
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"kind": "KW",
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"official": "RTOS.TIMER",
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"local": "01",
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"text": "Nie utożsamia pdPASS z callback completion i chroni storage/context przed premature destruction."
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}
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]
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}
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],
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"zawodowe": [
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{
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"effect_ref": "K14.EK01",
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"display": "EK LOCAL DBG.TIMER.01",
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"source": "LOCAL",
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"official": "DBG.TIMER",
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"local": "01",
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"kind": "EK",
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"tree_id": "K14.WE01.TECH.LOCAL.DBG.TIMER.01",
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"text": "Mierzy expiry ticks, activity, daemon handle/name, stack i heap.",
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"kw": [
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{
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"criterion_ref": "K14.KW01",
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"display": "KW LOCAL DBG.TIMER.01",
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"source": "LOCAL",
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"kind": "KW",
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"official": "DBG.TIMER",
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"local": "01",
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"text": "Pokazuje ticks 2/4/6/7, inactive after expiry/stop, Tmr Svc i PASS."
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}
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]
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}
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]
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}
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}
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},
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"sections": [
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{
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"title": "Typed policy i command queue",
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"content_kind": "prose",
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"content_tex": "Utwórz static OneShotTimer i PeriodicTimer, wyłącz copy/move, wykonaj explicit start przed schedulerem i zapisz callback snapshot.",
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"educational_requirement_refs": [
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"K14.WE01"
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],
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"learning_effect_refs": [
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"K14.EK01"
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],
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"assessment_criterion_refs": [
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"K14.KW01"
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],
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"area_tree_refs": [
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"K14.WE01.TECH.LOCAL.DBG.TIMER.01"
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],
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"steps": [
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{
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"id": "S01",
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"title": "Potwierdź dwa accepted commands i zero callbacków przy return.",
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"tree_refs": [
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"K14.WE01.TECH.LOCAL.DBG.TIMER.01"
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]
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},
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{
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"id": "S02",
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"title": "Zmierz initial periodic expiries 2 i 4.",
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"tree_refs": [
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"K14.WE01.TECH.LOCAL.DBG.TIMER.01"
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]
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}
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]
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},
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{
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"title": "Reset, change-period i stop",
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"content_kind": "prose",
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"content_tex": "Resetuj one-shot w ticku 1, zmień periodic z 2 na 3 w ticku 4, a po trzecim callbacku wyślij stop i potwierdź inactive.",
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"educational_requirement_refs": [
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"K14.WE01"
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],
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"learning_effect_refs": [
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"K14.EK01"
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],
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"assessment_criterion_refs": [
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"K14.KW01"
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],
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"area_tree_refs": [
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"K14.WE01.TECH.LOCAL.DBG.TIMER.01"
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],
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"steps": [
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{
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"id": "S03",
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"title": "Pokaż one-shot expiry 6 i periodic expiry 7.",
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"tree_refs": [
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"K14.WE01.TECH.LOCAL.DBG.TIMER.01"
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]
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},
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{
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"id": "S04",
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"title": "Pokaż brak czwartego callbacku po stop.",
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"tree_refs": [
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"K14.WE01.TECH.LOCAL.DBG.TIMER.01"
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]
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}
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]
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},
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{
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"title": "Daemon context, storage i lifetime",
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"content_kind": "prose",
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"content_tex": "Porównaj current task z timer daemon handle/name, stos callbacku ze stosem verifiera oraz heap przed/po static create; sformułuj lifetime contract.",
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"educational_requirement_refs": [
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"K14.WE01"
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],
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"learning_effect_refs": [
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"K14.EN01"
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],
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"assessment_criterion_refs": [
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"K14.KW01"
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],
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"area_tree_refs": [
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"K14.WE01.OG.LOCAL.RTOS.TIMER.01"
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],
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"steps": [
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{
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"id": "S05",
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"title": "Udowodnij Tmr Svc, osobny stack i heap delta 0.",
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"tree_refs": [
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"K14.WE01.OG.LOCAL.RTOS.TIMER.01"
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]
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},
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{
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"id": "S06",
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"title": "Wyjaśnij zakaz blocking callback i premature destruction.",
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"tree_refs": [
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"K14.WE01.OG.LOCAL.RTOS.TIMER.01"
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]
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}
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]
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}
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],
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"tasks": {
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"task01": {
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"title": "Static one-shot i periodic timer na daemon tasku",
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"uuid": "78db37df-63e5-4c5b-80ce-f73a411f0b50",
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"prompt_tex": "Zaimplementuj typed static software timers, rozdziel command acceptance od callback execution i zmierz reset/change/stop, daemon context, stack oraz heap.",
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"criterion": "Starts 2/callbacks 0; reset@1/one@6; periodic 2,4,7/change@4; stopped inactive/no fourth; daemon handle/name; different SP; heap delta 0; pass=1.",
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"educational_requirement_refs": [
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"K14.WE01"
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],
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"learning_effect_refs": [
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"K14.EN01",
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"K14.EK01"
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],
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"assessment_criterion_ref": "K14.KW01",
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"links": {
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"equations": [],
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"figures": []
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}
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}
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},
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"tasks_order": [
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"task01"
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]
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}
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