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mahmamdouh
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system_arch_final/[SYS] System Management Features.md
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@@ -292,11 +292,23 @@ Buttons → UI Controller → State/Menu Logic
* **SR-SYS-012**: The system shall support debug sessions for controlled engineering operations.
* **SR-SYS-013**: The system shall restrict debug actions to authorized sessions only.
### GPIO & Hardware Discipline [NEW]
* **SR-SYS-014**: The system shall enforce GPIO discipline by avoiding strapping pins (GPIO 0, 3, 45, 46) for general-purpose I/O.
* **SR-SYS-015**: The system shall ensure all shared I2C buses have appropriate physical pull-up resistors (2.2kΩ - 4.7kΩ for 3.3V).
* **SR-SYS-016**: The system shall use ADC1 for all analog sensors when Wi-Fi is active (ADC2 is not available with Wi-Fi).
* **SR-SYS-017**: The system shall maintain a canonical GPIO map document as a single source of truth.
## 6 Traceability Matrix
<figure class="table op-uc-figure_align-center op-uc-figure"><table class="op-uc-table"><thead class="op-uc-table--head"><tr class="op-uc-table--row"><th class="op-uc-table--cell op-uc-table--cell_head"><p class="op-uc-p">Feature ID</p></th><th class="op-uc-table--cell op-uc-table--cell_head"><p class="op-uc-p">System Requirements</p></th></tr></thead><tbody><tr class="op-uc-table--row"><td class="op-uc-table--cell"><p class="op-uc-p">F-SYS-01</p></td><td class="op-uc-table--cell"><p class="op-uc-p">SR-SYS-001, SR-SYS-002, SR-SYS-003</p></td></tr><tr class="op-uc-table--row"><td class="op-uc-table--cell"><p class="op-uc-p">F-SYS-02</p></td><td class="op-uc-table--cell"><p class="op-uc-p">SR-SYS-004, SR-SYS-005, SR-SYS-006</p></td></tr><tr class="op-uc-table--row"><td class="op-uc-table--cell"><p class="op-uc-p">F-SYS-03</p></td><td class="op-uc-table--cell"><p class="op-uc-p">SR-SYS-007, SR-SYS-008, SR-SYS-009, SR-SYS-010</p></td></tr><tr class="op-uc-table--row"><td class="op-uc-table--cell"><p class="op-uc-p">F-SYS-04</p></td><td class="op-uc-table--cell"><p class="op-uc-p">SR-SYS-011, SR-SYS-012, SR-SYS-013</p></td></tr></tbody></table></figure>
| Feature ID | System Requirements |
|------------|---------------------|
| F-SYS-01 | SR-SYS-001, SR-SYS-002, SR-SYS-003 |
| F-SYS-02 | SR-SYS-004, SR-SYS-005, SR-SYS-006 |
| F-SYS-03 | SR-SYS-007, SR-SYS-008, SR-SYS-009, SR-SYS-010 |
| F-SYS-04 | SR-SYS-011, SR-SYS-012, SR-SYS-013 |
| F-SYS-05 | SR-SYS-014, SR-SYS-015, SR-SYS-016, SR-SYS-017 |
## 7 Dependencies