Stefan Lohmaier
a47e0aed3e
Phase 1 of full English translation: - generate_doorstop_items.py: all 55 items (SG/SYS/SWE/SA/SWA) rewritten in English - generate_landing_page.py: full UI labels, KPI cards, section headings in English - traceability.py: docstring, error messages, HTML headers in English - generate_test_report.py: report content + table headers in English - All 55 markdown items in safety/sg/, reqs/, arch/ regenerated in English Still to come: - demo-epb filled Word docs (PID, plans, safety, manuals, audit artefacts) - Code comments + test names + CI workflow step names - README + dev-process repo templates
28 lines
712 B
Markdown
28 lines
712 B
Markdown
---
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active: true
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derived: false
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header: 'HMI (switch, LED, display)'
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level: 1.4
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normative: true
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reviewed: null
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links:
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- SYS-008
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- SYS-010
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asil: QM
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---
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# SA-004: HMI (switch, LED, display)
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## Responsibility
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Driver interaction and information: tap switch with integrated LED,
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status display in the instrument cluster via CAN.
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## Interfaces
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| Element | Type | Behaviour |
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|---------------|----------|-------------------------------------------|
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| Tap switch | GPIO | apply direction / release direction |
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| LED | GPIO | off / on / blink 2 Hz / blink 4 Hz |
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| Display | CAN 0x3A0| 50 Hz status frame |
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