Initial commit: demo-epb v1.0 — Elektrische Parkbremse Demo

Vollstaendige Demo des slohmaier Dev Process anhand einer EPB-Steuergeraet-
Software. Zeigt ASPICE 4.0 / ISO 26262-konforme Entwicklung im Monorepo.

Inhalte:
- 5 Plaene (PID, PM-, QA-, SWE-, Test-Plan) in Word, ausgefuellt mit
  EPB-spezifischen Inhalten
- 10 System-Anforderungen + 25 Software-Anforderungen (Doorstop-MD)
- 5 System-Architektur-Elemente + 10 Software-Architektur-Elemente
  mit PlantUML-Diagrammen und vollstaendigem Mapping
- 3 implementierte Komponenten (Apply Controller D, Actuator Driver B,
  Switch Debouncer QM) plus 7 Header-Stubs
- 28 Unit-Tests, alle gruen, mit Coverage- und MISRA-Build-Targets
- Audit-Artefakte: 1 Review-Protokoll, 1 Non-Conformity, 1 MISRA-Record
- Gitea-Actions-CI-Pipeline (validate.yml)
- Doorstop-Konfiguration fuer bidirektionale Traceability
- Generator-Skript fuer alle 50 Reqs/Arch-Elemente aus Strukturdaten
- README mit gefuehrter Tour fuer Prospects

Makefile

@@ -0,0 +1,68 @@
+# Makefile fuer demo-epb. Bewusst klein gehalten, damit der Demo
+# ohne externe Build-Tools (CMake, SCons) auf jedem POSIX-System baut.
+
+CC      ?= cc
+CFLAGS  ?= -std=c99 -Wall -Wextra -Werror -Wpedantic \
+           -Wcast-align -Wcast-qual -Wconversion -Wshadow \
+           -Wstrict-prototypes -Wmissing-prototypes
+COVFLAGS = --coverage -O0 -g
+
+SRC_DIR  = src
+TEST_DIR = tests/unit
+BUILD    = build
+
+SRCS    = $(SRC_DIR)/switch_debouncer.c \
+          $(SRC_DIR)/actuator_driver.c \
+          $(SRC_DIR)/apply_controller.c
+OBJS    = $(SRCS:%.c=$(BUILD)/%.o)
+
+TESTS   = test_switch_debouncer test_actuator_driver test_apply_controller
+TEST_BINS = $(TESTS:%=$(BUILD)/%)
+
+.PHONY: all test coverage clean misra static
+
+all: $(TEST_BINS)
+
+$(BUILD)/%.o: %.c
+	@mkdir -p $(dir $@)
+	$(CC) $(CFLAGS) $(COVFLAGS) -I$(SRC_DIR) -c $< -o $@
+
+$(BUILD)/test_%: $(TEST_DIR)/test_%.c $(OBJS)
+	@mkdir -p $(dir $@)
+	$(CC) $(CFLAGS) $(COVFLAGS) -I$(SRC_DIR) -Itests $< $(OBJS) -o $@
+
+test: $(TEST_BINS)
+	@echo "==========================================="
+	@echo "Running unit tests"
+	@echo "==========================================="
+	@fail=0; \
+	for t in $(TEST_BINS); do \
+	  echo ""; \
+	  $$t || fail=1; \
+	done; \
+	exit $$fail
+
+coverage: test
+	@which lcov >/dev/null 2>&1 || { echo "lcov not installed (brew install lcov)"; exit 1; }
+	lcov --capture --directory $(BUILD) --output-file $(BUILD)/coverage.info
+	lcov --remove $(BUILD)/coverage.info '/usr/*' 'tests/*' --output-file $(BUILD)/coverage.clean.info
+	genhtml $(BUILD)/coverage.clean.info --output-directory $(BUILD)/coverage-html
+	@echo "Coverage HTML: $(BUILD)/coverage-html/index.html"
+
+misra:
+	@which cppcheck >/dev/null 2>&1 || { echo "cppcheck not installed (brew install cppcheck)"; exit 1; }
+	cppcheck --enable=all --inconclusive --error-exitcode=1 \
+	  --suppress=missingIncludeSystem \
+	  --suppress=unusedFunction \
+	  --addon=misra \
+	  -I$(SRC_DIR) $(SRC_DIR)
+
+static:
+	@which cppcheck >/dev/null 2>&1 || { echo "cppcheck not installed"; exit 1; }
+	cppcheck --enable=warning,style,performance,portability \
+	  --error-exitcode=1 \
+	  --suppress=missingIncludeSystem \
+	  -I$(SRC_DIR) $(SRC_DIR)
+
+clean:
+	rm -rf $(BUILD)