SWR_ID,Type,Status,Title,Description,SR_ID,Feature_ID,Component,Test_ID
SWR-SYS-001,Software Requirement,Specified,FSM Implementation,The software SHALL implement a finite state machine (FSM) with the following states: INIT, BOOT_FAILURE, RUNNING, WARNING, FAULT, OTA_PREP, OTA_UPDATE, MC_UPDATE, TEARDOWN, SERVICE, SD_DEGRADED.,SR-SYS-001,F-SYS-01,STM,T-SYS-001
SWR-SYS-002,Software Requirement,Specified,FSM Transition Enforcement,The software SHALL enforce valid state transitions as defined in the System State Machine Specification.,SR-SYS-001,F-SYS-01,STM,T-SYS-002
SWR-SYS-003,Software Requirement,Specified,State-Based Operation Restriction,The software SHALL restrict feature operations based on the current system state according to per-state execution rules.,SR-SYS-002,F-SYS-01,STM,T-SYS-003
SWR-SYS-004,Software Requirement,Specified,State Transition Notification,The software SHALL notify all registered components when a state transition occurs via the Event System.,SR-SYS-003,F-SYS-01,"STM, Event System",T-SYS-004
SWR-SYS-005,Software Requirement,Specified,Controlled Teardown Execution,The software SHALL execute a controlled teardown sequence before firmware updates, machine constant updates, or system resets.,SR-SYS-004,F-SYS-02,STM,T-SYS-005
SWR-SYS-006,Software Requirement,Specified,Critical Data Persistence Before Teardown,The software SHALL persist all critical runtime data before completing a teardown sequence.,SR-SYS-005,F-SYS-02,"STM, Persistence",T-SYS-006
SWR-SYS-007,Software Requirement,Specified,Data Integrity Protection During Shutdown,The software SHALL prevent data corruption during teardown and reset operations.,SR-SYS-006,F-SYS-02,"STM, Persistence",T-SYS-007
SWR-SYS-008,Software Requirement,Specified,OLED Display Interface,The software SHALL provide a local OLED display interface using I2C communication protocol.,SR-SYS-007,F-SYS-03,HMI,T-SYS-008
SWR-SYS-009,Software Requirement,Specified,System Information Display,The software SHALL display connectivity status, system state, connected sensor summary, and time/date on the OLED display.,SR-SYS-008,F-SYS-03,HMI,T-SYS-009
SWR-SYS-010,Software Requirement,Specified,Button-Based Menu Navigation,The software SHALL provide menu navigation using Up, Down, and Select buttons.,SR-SYS-009,F-SYS-03,HMI,T-SYS-010
SWR-SYS-011,Software Requirement,Specified,Local Diagnostic and Health Menus,The software SHALL provide diagnostic, sensor, and health information through the local OLED menu interface.,SR-SYS-010,F-SYS-03,"HMI, Diagnostics",T-SYS-011
SWR-SYS-012,Software Requirement,Specified,Diagnostic Session Support,The software SHALL support diagnostic sessions for retrieving system status and diagnostic data.,SR-SYS-011,F-SYS-04,Debug Session Manager,T-SYS-012
SWR-SYS-013,Software Requirement,Specified,Debug Session Support,The software SHALL support debug sessions allowing controlled engineering commands.,SR-SYS-012,F-SYS-04,Debug Session Manager,T-SYS-013
SWR-SYS-014,Software Requirement,Specified,Authorized Debug Access Control,The software SHALL restrict debug session actions to authorized engineering access only.,SR-SYS-013,F-SYS-04,"Debug Session Manager, Security",T-SYS-014
SWR-SYS-015,Software Requirement,Specified,Non-Intrusive Debug Sessions,The software SHALL ensure debug sessions do not interfere with normal sensor acquisition or communication operations.,SR-SYS-013,F-SYS-04,Debug Session Manager,T-SYS-015
SWR-DAQ-001,Software Requirement,Specified,Multi-Sensor Environmental Data Acquisition,The software SHALL support simultaneous acquisition of environmental data from multiple sensor types (temperature, humidity, CO2, NH3, VOC, particulate matter, light).,SR-DAQ-001,F-DAQ-01,Sensor Manager,T-DAQ-001
SWR-DAQ-002,Software Requirement,Specified,Dedicated Sensor Slot Mapping,The software SHALL assign each supported sensor type to a predefined and unique hardware slot.,SR-DAQ-002,F-DAQ-01,Sensor Manager,T-DAQ-002
SWR-DAQ-003,Software Requirement,Specified,Sensor Presence Detection,The software SHALL detect the physical presence of each sensor via a dedicated hardware detection signal prior to sensor initialization.,SR-DAQ-003,F-DAQ-01,"Sensor Manager, Sensor Drivers",T-DAQ-003
SWR-DAQ-004,Software Requirement,Specified,Conditional Sensor Initialization,The software SHALL initialize and activate only sensors that are detected as present and enabled.,SR-DAQ-004,F-DAQ-01,Sensor Manager,T-DAQ-004
SWR-DAQ-005,Software Requirement,Specified,High-Frequency Sensor Sampling,The software SHALL sample each enabled sensor multiple times within a single acquisition cycle (default: 10 samples per sensor per cycle).,SR-DAQ-005,F-DAQ-02,Sensor Manager,T-DAQ-005
SWR-DAQ-006,Software Requirement,Specified,Local Sensor Data Filtering,The software SHALL apply a local filtering mechanism to raw sensor samples to produce a single filtered sensor value per acquisition cycle.,SR-DAQ-006,F-DAQ-02,Sensor Manager,T-DAQ-006
SWR-DAQ-007,Software Requirement,Specified,Deterministic Sampling Window,The software SHALL complete each sensor's sampling and filtering process within a bounded and deterministic time window (maximum 100ms per sensor).,SR-DAQ-007,F-DAQ-02,Sensor Manager,T-DAQ-007
SWR-DAQ-008,Software Requirement,Specified,Timestamp Generation for Sensor Data,The software SHALL generate a timestamp for each filtered sensor value upon completion of the acquisition and filtering process.,SR-DAQ-008,F-DAQ-03,"Sensor Manager, Time Utils",T-DAQ-008
SWR-DAQ-009,Software Requirement,Specified,Timestamped Sensor Data Record Structure,The software SHALL generate a timestamped sensor data record containing at minimum: sensor identifier, sensor type, filtered value, unit of measurement, timestamp, and data validity status.,SR-DAQ-009,F-DAQ-03,Sensor Manager,T-DAQ-009
SWR-DAQ-010,Software Requirement,Specified,Availability of Latest Sensor Data,The software SHALL maintain the most recent timestamped sensor data record in memory and make it available for persistence and on-demand communication requests.,SR-DAQ-010,F-DAQ-03,"Sensor Manager, Data Pool",T-DAQ-010
SWR-DAQ-011,Software Requirement,Specified,State-Restricted Sensor Acquisition,The software SHALL NOT perform sensor acquisition during OTA_UPDATE, MC_UPDATE, or TEARDOWN states.,CFC-ARCH-02,F-DAQ-01,Sensor Manager,T-DAQ-011
SWR-DAQ-012,Software Requirement,Specified,Non-Blocking Sensor Acquisition,The software SHALL perform sensor acquisition in a non-blocking manner.,CFC-TIME-01,F-DAQ-02,Sensor Manager,T-DAQ-012
SWR-DAQ-013,Software Requirement,Specified,Deterministic Memory Allocation,The software SHALL use deterministic memory allocation for sensor acquisition buffers (no dynamic allocation in acquisition path).,CFC-TIME-02,F-DAQ-02,Sensor Manager,T-DAQ-013
SWR-DAQ-014,Software Requirement,Specified,Sensor Data Event Publishing,The software SHALL publish sensor data updates via the Event System upon completion of each acquisition cycle.,Architecture Requirement,F-DAQ-03,"Sensor Manager, Event System",T-DAQ-014
SWR-DAQ-015,Software Requirement,Specified,Failed Sensor Exclusion,The software SHALL exclude failed sensors from acquisition cycles as defined by the failure handling model.,SR-DQC-009,F-DAQ-01,Sensor Manager,T-DAQ-015
SWR-DQC-001,Software Requirement,Specified,Detect Sensor Presence,The software SHALL detect the physical presence of each sensor using a dedicated hardware-based detection mechanism.,SR-DQC-001,F-DQC-01,"Sensor Manager, Sensor Drivers",T-DQC-001
SWR-DQC-002,Software Requirement,Specified,Perform Sensor Detection During Initialization,The software SHALL perform sensor presence detection during system startup and after any reinitialization or reconfiguration event.,SR-DQC-002,F-DQC-01,Sensor Manager,T-DQC-002
SWR-DQC-003,Software Requirement,Specified,Conditional Sensor Initialization,The software SHALL initialize and activate only sensors that are detected as present.,SR-DQC-003,F-DQC-01,Sensor Manager,T-DQC-003
SWR-DQC-004,Software Requirement,Specified,Assign Fixed Sensor Slot Types,The software SHALL assign each physical sensor slot to a predefined sensor type.,SR-DQC-004,F-DQC-02,Sensor Manager,T-DQC-004
SWR-DQC-005,Software Requirement,Specified,Verify Sensor Type Compatibility,The software SHALL verify that a detected sensor matches the expected sensor type for its assigned slot.,SR-DQC-005,F-DQC-02,Sensor Manager,T-DQC-005
SWR-DQC-006,Software Requirement,Specified,Reject Invalid Sensor Configurations,The software SHALL reject and report any sensor-slot mismatch as a diagnostic event.,SR-DQC-006,F-DQC-02,"Sensor Manager, Diagnostics",T-DQC-006
SWR-DQC-007,Software Requirement,Specified,Monitor Sensor Health,The software SHALL continuously monitor sensor responsiveness and signal validity during normal operation.,SR-DQC-007,F-DQC-03,Sensor Manager,T-DQC-007
SWR-DQC-008,Software Requirement,Specified,Detect Sensor Failure Conditions,The software SHALL detect sensor failures including disconnection, non-responsiveness, and out-of-range measurement values.,SR-DQC-008,F-DQC-03,Sensor Manager,T-DQC-008
SWR-DQC-009,Software Requirement,Specified,Isolate Failed Sensors,The software SHALL mark detected faulty sensors as defective and exclude them from data acquisition and reporting.,SR-DQC-009,F-DQC-03,Sensor Manager,T-DQC-009
SWR-DQC-010,Software Requirement,Specified,Report Sensor Failures,The software SHALL report detected sensor failures to the Main Hub with timestamps and failure classification.,SR-DQC-010,F-DQC-03,"Sensor Manager, Communication",T-DQC-010
SWR-DQC-011,Software Requirement,Specified,Maintain Machine Constants Dataset,The software SHALL maintain a Machine Constants dataset defining sensor configuration, calibration parameters, and communication identifiers.,SR-DQC-011,F-DQC-04,Machine Constant Manager,T-DQC-011
SWR-DQC-012,Software Requirement,Specified,Persist Machine Constants,The software SHALL store the Machine Constants dataset in non-volatile storage.,SR-DQC-012,F-DQC-04,"Machine Constant Manager, Persistence",T-DQC-012
SWR-DQC-013,Software Requirement,Specified,Load Machine Constants at Startup,The software SHALL load and apply the Machine Constants dataset during system initialization.,SR-DQC-013,F-DQC-04,Machine Constant Manager,T-DQC-013
SWR-DQC-014,Software Requirement,Specified,Support Remote Machine Constants Update,The software SHALL support remote updates of the Machine Constants dataset initiated by the Main Hub.,SR-DQC-014,F-DQC-04,"Machine Constant Manager, Communication",T-DQC-014
SWR-DQC-015,Software Requirement,Specified,Controlled Reinitialization After Update,The software SHALL apply updated Machine Constants only after executing a controlled teardown and reinitialization procedure.,SR-DQC-015,F-DQC-04,"Machine Constant Manager, STM",T-DQC-015
SWR-DQC-016,Software Requirement,Specified,Machine Constants Integrity Validation,The software SHALL validate Machine Constants integrity before applying updates.,SR-SEC-008,F-DQC-04,"Machine Constant Manager, Security",T-DQC-016
SWR-DQC-017,Software Requirement,Specified,State-Restricted Calibration,The software SHALL NOT perform sensor calibration during OTA_UPDATE, MC_UPDATE, or TEARDOWN states.,CFC-ARCH-02,F-DQC-04,Sensor Manager,T-DQC-017
SWR-DQC-018,Software Requirement,Specified,Machine Constants Access via DP,The software SHALL access Machine Constants only through the DP component.,CFC-ARCH-01,F-DQC-04,"Machine Constant Manager, Persistence",T-DQC-018
SWR-COM-001,Software Requirement,Specified,Bidirectional Main Hub Communication,The software SHALL support bidirectional communication between the Sensor Hub and the Main Hub.,SR-COM-001,F-COM-01,"Main Hub APIs, Network Stack",T-COM-001
SWR-COM-002,Software Requirement,Specified,Transmit Data to Main Hub,The software SHALL transmit sensor data, diagnostics information, and system status to the Main Hub.,SR-COM-002,F-COM-01,Main Hub APIs,T-COM-002
SWR-COM-003,Software Requirement,Specified,Receive Commands from Main Hub,The software SHALL receive commands, configuration updates, and firmware update requests from the Main Hub.,SR-COM-003,F-COM-01,Main Hub APIs,T-COM-003
SWR-COM-004,Software Requirement,Specified,Monitor Communication Link Status,The software SHALL monitor the status of the communication link with the Main Hub and report link availability and failure conditions.,SR-COM-004,F-COM-01,Network Stack,T-COM-004
SWR-COM-005,Software Requirement,Specified,Support On-Demand Data Requests,The software SHALL support on-demand requests from the Main Hub for sensor data.,SR-COM-005,F-COM-02,Main Hub APIs,T-COM-005
SWR-COM-006,Software Requirement,Specified,Respond with Latest Sensor Data,The software SHALL respond to on-demand data requests with the most recent timestamped sensor data.,SR-COM-006,F-COM-02,"Main Hub APIs, Data Pool",T-COM-006
SWR-COM-007,Software Requirement,Specified,Include Data Validity in Responses,The software SHALL include sensor status and data validity information in on-demand data responses.,SR-COM-007,F-COM-02,Main Hub APIs,T-COM-007
SWR-COM-008,Software Requirement,Specified,Support Peer Sensor Hub Communication,The software SHALL support limited peer-to-peer communication between Sensor Hubs for connectivity checks and time synchronization.,SR-COM-008,F-COM-03,Network Stack,T-COM-008
SWR-COM-009,Software Requirement,Specified,Isolate Peer Communication,The software SHALL ensure that peer Sensor Hub communication does not interfere with Main Hub communication or control operations.,SR-COM-010,F-COM-03,Network Stack,T-COM-009
SWR-COM-010,Software Requirement,Specified,Encrypted Main Hub Communication,The software SHALL encrypt all communication with the Main Hub using authenticated encryption.,SR-SEC-009,F-COM-01,"Network Stack, Security",T-COM-010
SWR-COM-011,Software Requirement,Specified,Message Integrity and Authenticity,The software SHALL ensure integrity and authenticity of all transmitted and received messages.,SR-SEC-010,F-COM-01,"Network Stack, Security",T-COM-011
SWR-COM-012,Software Requirement,Specified,State-Restricted Communication,The software SHALL limit communication operations during TEARDOWN state to session closure only.,CFC-ARCH-02,F-COM-01,Network Stack,T-COM-012
SWR-COM-013,Software Requirement,Specified,Non-Blocking Communication,The software SHALL perform communication operations in a non-blocking manner.,CFC-TIME-01,F-COM-01,Network Stack,T-COM-013
SWR-COM-014,Software Requirement,Specified,Communication Link Failure Reporting,The software SHALL report communication link failures as diagnostic events according to the failure handling model.,SR-COM-004,F-COM-01,"Network Stack, Diagnostics",T-COM-014
SWR-COM-015,Software Requirement,Specified,Security Violation Reporting,The software SHALL detect and report communication security violations to the Main Hub.,SR-SEC-012,F-COM-01,"Network Stack, Security",T-COM-015
SWR-DIAG-001,Software Requirement,Specified,Diagnostic Code Framework,The software SHALL implement a diagnostic code framework for reporting system health conditions, warnings, errors, and fatal faults.,SR-DIAG-001,F-DIAG-01,Diagnostics Task,T-DIAG-001
SWR-DIAG-002,Software Requirement,Specified,Assign Unique Diagnostic Codes,The software SHALL assign a unique diagnostic code to each detected fault or abnormal condition.,SR-DIAG-002,F-DIAG-01,Diagnostics Task,T-DIAG-002
SWR-DIAG-003,Software Requirement,Specified,Classify Diagnostic Severity,The software SHALL classify diagnostic codes by severity level (INFO, WARNING, ERROR, FATAL).,SR-DIAG-003,F-DIAG-01,Diagnostics Task,T-DIAG-003
SWR-DIAG-004,Software Requirement,Specified,Timestamp and Source Diagnostics,The software SHALL associate each diagnostic event with a timestamp and the originating system component.,SR-DIAG-004,F-DIAG-01,Diagnostics Task,T-DIAG-004
SWR-DIAG-005,Software Requirement,Specified,Persist Diagnostic Events,The software SHALL persist diagnostic events in non-volatile storage.,SR-DIAG-005,F-DIAG-02,"Diagnostics Task, Persistence",T-DIAG-005
SWR-DIAG-006,Software Requirement,Specified,Retain Diagnostics Across Resets,The software SHALL retain diagnostic data across system resets and power cycles.,SR-DIAG-006,F-DIAG-02,"Diagnostics Task, Persistence",T-DIAG-006
SWR-DIAG-007,Software Requirement,Specified,Bounded Diagnostic Storage,The software SHALL implement a bounded diagnostic storage mechanism with a defined overwrite or rollover policy.,SR-DIAG-007,F-DIAG-02,"Diagnostics Task, Persistence",T-DIAG-007
SWR-DIAG-008,Software Requirement,Specified,Provide Diagnostic Session Interface,The software SHALL provide a diagnostic session interface for accessing diagnostic and system health data.,SR-DIAG-008,F-DIAG-03,Diagnostics Task,T-DIAG-008
SWR-DIAG-009,Software Requirement,Specified,Retrieve Diagnostic Records,The software SHALL allow authorized diagnostic sessions to retrieve stored diagnostic events.,SR-DIAG-009,F-DIAG-03,Diagnostics Task,T-DIAG-009
SWR-DIAG-010,Software Requirement,Specified,Clear Diagnostic Records,The software SHALL allow authorized diagnostic sessions to clear stored diagnostic records.,SR-DIAG-010,F-DIAG-03,Diagnostics Task,T-DIAG-010
SWR-DIAG-011,Software Requirement,Specified,Non-Intrusive Diagnostic Sessions,The software SHALL ensure that diagnostic sessions do not interfere with normal sensor acquisition or communication operations.,SR-DIAG-011,F-DIAG-03,Diagnostics Task,T-DIAG-011
SWR-DIAG-012,Software Requirement,Specified,Fault-to-State Transition,The software SHALL trigger state transitions based on diagnostic severity according to the failure handling model.,Failure Handling Model,F-DIAG-01,"Diagnostics Task, Error Handler",T-DIAG-012
SWR-DIAG-013,Software Requirement,Specified,Fault Latching Behavior,The software SHALL implement fault latching behavior as defined in the failure handling model.,Failure Handling Model,F-DIAG-01,Error Handler,T-DIAG-013
SWR-DIAG-014,Software Requirement,Specified,Fault Escalation Rules,The software SHALL implement fault escalation rules as defined in the failure handling model.,Failure Handling Model,F-DIAG-01,Error Handler,T-DIAG-014
SWR-DIAG-015,Software Requirement,Specified,Diagnostic Event Reporting to Main Hub,The software SHALL report WARNING, ERROR, and FATAL diagnostic events to the Main Hub.,SR-COM-002,F-DIAG-02,"Diagnostics Task, Communication",T-DIAG-015
SWR-DIAG-016,Software Requirement,Specified,Diagnostic Information via HMI,The software SHALL provide diagnostic information through the local OLED menu interface.,SR-SYS-010,F-DIAG-03,"Diagnostics Task, HMI",T-DIAG-016
SWR-DIAG-017,Software Requirement,Specified,Diagnostic Storage Access via DP,The software SHALL access diagnostic storage only through the DP component.,CFC-ARCH-01,F-DIAG-02,"Diagnostics Task, Persistence",T-DIAG-017
SWR-DIAG-018,Software Requirement,Specified,State-Restricted Diagnostic Generation,The software SHALL NOT generate new diagnostic events during TEARDOWN state (except teardown-specific diagnostics).,CFC-ARCH-02,F-DIAG-01,Diagnostics Task,T-DIAG-018
SWR-DATA-001,Software Requirement,Specified,Persistent Timestamped Sensor Data,The software SHALL persist timestamped sensor data in non-volatile storage.,SR-DATA-001,F-DATA-01,Persistence,T-DATA-001
SWR-DATA-002,Software Requirement,Specified,Sensor Data Metadata Storage,The software SHALL store sensor data together with sensor identifiers, timestamps, and validity status.,SR-DATA-002,F-DATA-01,Persistence,T-DATA-002
SWR-DATA-003,Software Requirement,Specified,Configurable Data Retention Policy,The software SHALL support configurable data retention and overwrite policies for persisted sensor data.,SR-DATA-003,F-DATA-01,Persistence,T-DATA-003
SWR-DATA-004,Software Requirement,Specified,Data Persistence Component Interface,The software SHALL provide a Data Persistence (DP) component as the sole interface for persistent data access.,SR-DATA-004,F-DATA-02,Persistence,T-DATA-004
SWR-DATA-005,Software Requirement,Specified,Storage Access Isolation,The software SHALL prevent application and feature modules from directly accessing storage hardware.,SR-DATA-005,F-DATA-02,Persistence,T-DATA-005
SWR-DATA-006,Software Requirement,Specified,Structured Data Serialization,The DP component SHALL support serialization and deserialization of structured system data.,SR-DATA-006,F-DATA-02,Persistence,T-DATA-006
SWR-DATA-007,Software Requirement,Specified,Data Flush Before Teardown,The software SHALL flush all critical runtime data to non-volatile storage before entering a controlled teardown or reset state.,SR-DATA-007,F-DATA-03,"Persistence, STM",T-DATA-007
SWR-DATA-008,Software Requirement,Specified,Data Integrity During Updates,The software SHALL protect data integrity during firmware updates and machine constant updates.,SR-DATA-008,F-DATA-03,"Persistence, OTA Manager",T-DATA-008
SWR-DATA-009,Software Requirement,Specified,Persistence Verification,The software SHALL verify successful data persistence before completing a system state transition.,SR-DATA-009,F-DATA-03,"Persistence, STM",T-DATA-009
SWR-DATA-010,Software Requirement,Specified,State-Restricted Data Writes,The software SHALL NOT perform data write operations during TEARDOWN state unless explicitly authorized by the System Manager.,CFC-DATA-02,F-DATA-03,Persistence,T-DATA-010
SWR-DATA-011,Software Requirement,Specified,Persistence Completion Confirmation,The software SHALL ensure persistence completion is confirmed before state transitions.,CFC-DATA-02,F-DATA-03,"Persistence, STM",T-DATA-011
SWR-DATA-012,Software Requirement,Specified,SD Card Failure Handling,The software SHALL handle SD card failures gracefully by entering SD_DEGRADED state and disabling persistence writes.,System State Machine Specification,F-DATA-01,"Persistence, STM",T-DATA-012
SWR-DATA-013,Software Requirement,Specified,Wear-Aware Storage Management,The software SHALL implement wear-aware storage management to prevent premature SD card failure.,Quality Requirement,F-DATA-01,Persistence,T-DATA-013
SWR-DATA-014,Software Requirement,Specified,Single Source of Truth,The software SHALL maintain a single source of truth for runtime and persistent data through the DP component.,CFC-DATA-01,F-DATA-02,"Data Pool, Persistence",T-DATA-014
SWR-DATA-015,Software Requirement,Specified,No Private Persistent Copies,The software SHALL NOT allow features to maintain private persistent copies of shared system data.,CFC-DATA-01,F-DATA-02,All Components,T-DATA-015
SWR-OTA-001,Software Requirement,Specified,OTA Negotiation Support,The software SHALL support OTA update negotiation initiated by the Main Hub.,SR-OTA-001,F-OTA-01,OTA Manager,T-OTA-001
SWR-OTA-002,Software Requirement,Specified,OTA Readiness Validation,The software SHALL verify internal readiness conditions before accepting an OTA update request.,SR-OTA-002,F-OTA-01,OTA Manager,T-OTA-002
SWR-OTA-003,Software Requirement,Specified,OTA Acknowledgement,The software SHALL explicitly acknowledge or reject OTA update requests.,SR-OTA-003,F-OTA-01,OTA Manager,T-OTA-003
SWR-OTA-004,Software Requirement,Specified,Firmware Reception,The software SHALL receive firmware images over the established communication interface.,SR-OTA-004,F-OTA-02,"OTA Manager, Network Stack",T-OTA-004
SWR-OTA-005,Software Requirement,Specified,Firmware Temporary Storage,The software SHALL store received firmware images in non-volatile storage prior to validation.,SR-OTA-005,F-OTA-02,"OTA Manager, Persistence",T-OTA-005
SWR-OTA-006,Software Requirement,Specified,Active Firmware Protection,The software SHALL prevent overwriting the active firmware during firmware reception.,SR-OTA-006,F-OTA-02,OTA Manager,T-OTA-006
SWR-OTA-007,Software Requirement,Specified,Firmware Integrity Verification,The software SHALL validate the integrity of received firmware images before activation.,SR-OTA-007,F-OTA-03,"OTA Manager, Security",T-OTA-007
SWR-OTA-008,Software Requirement,Specified,Firmware Rejection Handling,The software SHALL reject firmware images that fail integrity validation.,SR-OTA-008,F-OTA-03,OTA Manager,T-OTA-008
SWR-OTA-009,Software Requirement,Specified,OTA Status Reporting,The software SHALL report firmware validation and OTA status to the Main Hub.,SR-OTA-009,F-OTA-03,"OTA Manager, Communication",T-OTA-009
SWR-OTA-010,Software Requirement,Specified,OTA Teardown Execution,The software SHALL execute a controlled teardown procedure prior to firmware activation.,SR-OTA-010,F-OTA-04,"OTA Manager, STM",T-OTA-010
SWR-OTA-011,Software Requirement,Specified,Data Persistence Before Flashing,The software SHALL persist critical runtime data and calibration data before flashing new firmware.,SR-OTA-011,F-OTA-04,"OTA Manager, Persistence",T-OTA-011
SWR-OTA-012,Software Requirement,Specified,Controlled Firmware Activation,The software SHALL activate new firmware only after successful integrity validation.,SR-OTA-012,F-OTA-04,OTA Manager,T-OTA-012
SWR-OTA-013,Software Requirement,Specified,OTA Reboot Execution,The software SHALL reboot into the new firmware after successful activation.,SR-OTA-013,F-OTA-04,OTA Manager,T-OTA-013
SWR-OTA-014,Software Requirement,Specified,Encrypted OTA Communication,The software SHALL use encrypted and authenticated communication channels for OTA firmware updates.,SR-SEC-011,F-OTA-02,"OTA Manager, Security",T-OTA-014
SWR-OTA-015,Software Requirement,Specified,OTA State Transition,The software SHALL transition to OTA_PREP state upon accepting an OTA request.,System State Machine Specification,F-OTA-01,"OTA Manager, STM",T-OTA-015
SWR-OTA-016,Software Requirement,Specified,State-Restricted OTA Operations,The software SHALL NOT allow OTA operations during WARNING, FAULT, SERVICE, or SD_DEGRADED states.,System State Machine Specification,F-OTA-01,"OTA Manager, STM",T-OTA-016
SWR-OTA-017,Software Requirement,Specified,OTA Duration Limit,The software SHALL complete OTA operations within a maximum duration of 10 minutes.,Quality Requirement,F-OTA-04,OTA Manager,T-OTA-017
SWR-OTA-018,Software Requirement,Specified,OTA Failure Handling,The software SHALL handle OTA failures by transitioning to FAULT state and reporting the failure.,System State Machine Specification,F-OTA-04,"OTA Manager, STM",T-OTA-018
SWR-OTA-019,Software Requirement,Specified,Active Firmware Corruption Protection,The software SHALL protect active firmware from corruption during OTA operations.,SR-OTA-006,F-OTA-02,OTA Manager,T-OTA-019
SWR-OTA-020,Software Requirement,Specified,Firmware Authenticity Verification,The software SHALL verify firmware authenticity using secure boot mechanisms before execution.,SR-SEC-001,F-OTA-04,"OTA Manager, Security",T-OTA-020
SWR-SEC-001,Software Requirement,Specified,Firmware Authenticity Verification,The software SHALL verify the authenticity of the firmware image before execution during every boot cycle.,SR-SEC-001,F-SEC-01,Security,T-SEC-001
SWR-SEC-002,Software Requirement,Specified,Unauthorized Firmware Blocking,The software SHALL prevent execution of firmware images that fail cryptographic verification.,SR-SEC-002,F-SEC-01,Security,T-SEC-002
SWR-SEC-003,Software Requirement,Specified,Secure Boot Failure Handling,The software SHALL enter BOOT_FAILURE state when secure boot verification fails.,SR-SEC-003,F-SEC-01,"Security, STM",T-SEC-003
SWR-SEC-004,Software Requirement,Specified,Root-of-Trust Protection,The software SHALL protect the root-of-trust against unauthorized modification.,SR-SEC-004,F-SEC-01,Security,T-SEC-004
SWR-SEC-005,Software Requirement,Specified,Flash Data Access Protection,The software SHALL protect sensitive data stored in internal flash memory from unauthorized access.,SR-SEC-005,F-SEC-02,Security,T-SEC-005
SWR-SEC-006,Software Requirement,Specified,Encrypted External Storage,The software SHALL support encryption of sensitive data stored in external storage devices.,SR-SEC-006,F-SEC-02,"Security, Persistence",T-SEC-006
SWR-SEC-007,Software Requirement,Specified,Cryptographic Key Isolation,The software SHALL restrict access to cryptographic keys to authorized system components only.,SR-SEC-007,F-SEC-02,Security,T-SEC-007
SWR-SEC-008,Software Requirement,Specified,Stored Data Integrity Assurance,The software SHALL ensure integrity of stored configuration, calibration, and machine constant data.,SR-SEC-008,F-SEC-02,"Security, Persistence",T-SEC-008
SWR-SEC-009,Software Requirement,Specified,Encrypted Main Hub Communication,The software SHALL encrypt all communication with the Main Hub.,SR-SEC-009,F-SEC-03,"Network Stack, Security",T-SEC-009
SWR-SEC-010,Software Requirement,Specified,Message Integrity and Authenticity,The software SHALL ensure integrity and authenticity of all transmitted and received messages.,SR-SEC-010,F-SEC-03,"Network Stack, Security",T-SEC-010
SWR-SEC-011,Software Requirement,Specified,Secure OTA Data Transfer,The software SHALL use encrypted and authenticated communication channels for OTA firmware updates.,SR-SEC-011,F-SEC-03,"OTA Manager, Security",T-SEC-011
SWR-SEC-012,Software Requirement,Specified,Security Violation Reporting,The software SHALL detect and report communication and security violations to the Main Hub.,SR-SEC-012,F-SEC-03,"Security, Communication",T-SEC-012
SWR-SEC-013,Software Requirement,Specified,Security First Initialization,The software SHALL enable secure boot and flash protection before any application-level logic executes.,CFC-SEC-01,F-SEC-01,Security,T-SEC-013
SWR-SEC-014,Software Requirement,Specified,Debug Session Authentication,The software SHALL authenticate debug sessions before allowing debug operations.,SR-SYS-013,F-SEC-03,"Security, Debug Session Manager",T-SEC-014
SWR-SEC-015,Software Requirement,Specified,Debug Security Bypass Prevention,The software SHALL NOT allow debug sessions to bypass security or safety mechanisms.,CFC-DBG-01,F-SEC-03,"Security, Debug Session Manager",T-SEC-015
SWR-SEC-016,Software Requirement,Specified,Security Violation Diagnostic Reporting,The software SHALL report security violations as FATAL diagnostic events.,Failure Handling Model,F-SEC-01,"Security, Diagnostics",T-SEC-016
SWR-SEC-017,Software Requirement,Specified,Cryptographic Key Protection,The software SHALL protect cryptographic keys during power loss and system resets.,Quality Requirement,F-SEC-02,Security,T-SEC-017
SWR-SEC-018,Software Requirement,Specified,Secure Session Establishment,The software SHALL implement secure session establishment for all external communication.,SR-SEC-009,F-SEC-03,"Network Stack, Security",T-SEC-018
SWR-SEC-019,Software Requirement,Specified,Message Integrity Validation,The software SHALL validate message integrity on every received message.,SR-SEC-010,F-SEC-03,"Network Stack, Security",T-SEC-019
SWR-SEC-020,Software Requirement,Specified,Downgrade Attack Prevention,The software SHALL prevent downgrade attacks by verifying firmware version integrity.,Quality Requirement,F-SEC-01,"Security, OTA Manager",T-SEC-020
SWR-IF-001,Software Requirement,Specified,Main Hub Communication Interface,The software SHALL provide a communication interface to the Main Hub supporting bidirectional data exchange.,SR-COM-001,F-COM-01,"Main Hub APIs, Network Stack",T-IF-001
SWR-IF-002,Software Requirement,Specified,Sensor Interfaces,The software SHALL provide sensor interfaces supporting I2C, SPI, UART, and analog protocols.,Architecture Requirement,F-DAQ-01,Sensor Drivers,T-IF-002
SWR-IF-003,Software Requirement,Specified,OLED Display Interface,The software SHALL provide an I2C interface for OLED display communication.,SR-SYS-007,F-SYS-03,HMI,T-IF-003
SWR-IF-004,Software Requirement,Specified,Button Input Interfaces,The software SHALL provide GPIO interfaces for button inputs (Up, Down, Select).,SR-SYS-009,F-SYS-03,HMI,T-IF-004
SWR-IF-005,Software Requirement,Specified,Storage Interfaces,The software SHALL provide storage interfaces for SD card and NVM access.,Architecture Requirement,F-DATA-01,"SD Card Driver, NVM Driver",T-IF-005
SWR-IF-006,Software Requirement,Specified,Debug Interface,The software SHALL provide a debug interface (UART/USB) for diagnostic and debug sessions.,SR-SYS-011,F-SYS-04,"Debug Session Manager, UART Driver",T-IF-006
SWR-IF-007,Software Requirement,Specified,Event System Interface,The software SHALL provide an Event System interface for cross-component communication.,Architecture Requirement,All Features,Event System,T-IF-007
SWR-IF-008,Software Requirement,Specified,Data Pool Interface,The software SHALL provide a Data Pool interface for runtime data access.,Architecture Requirement,All Features,Data Pool,T-IF-008
SWR-IF-009,Software Requirement,Specified,Data Persistence Interface,The software SHALL provide a Data Persistence (DP) component interface for persistent storage access.,SR-DATA-004,F-DATA-02,Persistence,T-IF-009
SWR-IF-010,Software Requirement,Specified,System State Manager Interface,The software SHALL provide a System State Manager interface for state queries and transitions.,SR-SYS-001,F-SYS-01,STM,T-IF-010
SWR-IF-011,Software Requirement,Specified,Diagnostics Interface,The software SHALL provide a Diagnostics interface for fault reporting and querying.,SR-DIAG-001,F-DIAG-01,Diagnostics Task,T-IF-011
SWR-IF-012,Software Requirement,Specified,Error Handler Interface,The software SHALL provide an Error Handler interface for fault classification and escalation.,Failure Handling Model,All Features,Error Handler,T-IF-012
SWR-PERF-001,Software Requirement,Specified,Sensor Acquisition Cycle Timing,The software SHALL complete sensor acquisition cycles within 100ms per sensor.,SR-DAQ-007,Sensor Acquisition,Sensor Manager,T-PERF-001
SWR-PERF-002,Software Requirement,Specified,State Transition Timing,The software SHALL complete state transitions within 50ms (except INIT → RUNNING: 5s, TEARDOWN: 500ms).,System State Machine Specification,State Management,STM,T-PERF-002
SWR-PERF-003,Software Requirement,Specified,Data Persistence Timing,The software SHALL complete data persistence operations within 200ms.,Quality Requirement,Data Persistence,Persistence,T-PERF-003
SWR-PERF-004,Software Requirement,Specified,OTA Operation Duration,The software SHALL complete OTA operations within 10 minutes.,SWR-OTA-017,Firmware Update,OTA Manager,T-PERF-004
SWR-PERF-005,Software Requirement,Specified,CPU Utilization Limit,The software SHALL maintain CPU utilization below 80% during normal operation.,Quality Requirement,System Performance,All Components,T-PERF-005
SWR-PERF-006,Software Requirement,Specified,RAM Usage Limit,The software SHALL maintain RAM usage below 60% of available memory.,Quality Requirement,System Performance,All Components,T-PERF-006
SWR-PERF-007,Software Requirement,Specified,Main Hub Response Time,The software SHALL respond to Main Hub data requests within 100ms.,SR-COM-005,Communication,"Main Hub APIs, Data Pool",T-PERF-007
SWR-PERF-008,Software Requirement,Specified,Communication Link Failure Detection,The software SHALL detect communication link failures within 30 seconds.,SR-COM-004,Communication,Network Stack,T-PERF-008
SWR-DESIGN-001,Software Requirement,Specified,No Dynamic Memory in Acquisition Path,The software SHALL NOT use dynamic memory allocation in sensor acquisition paths.,CFC-TIME-02,Sensor Acquisition,Sensor Manager,T-DESIGN-001
SWR-DESIGN-002,Software Requirement,Specified,Non-Blocking Operations,The software SHALL implement all features as non-blocking operations.,CFC-TIME-01,All Features,All Components,T-DESIGN-002
SWR-DESIGN-003,Software Requirement,Specified,Hardware Access via Drivers,The software SHALL access hardware only through driver and OSAL layers.,CFC-ARCH-01,All Features,All Components,T-DESIGN-003
SWR-DESIGN-004,Software Requirement,Specified,Storage Access via DP,The software SHALL access persistent storage only through the DP component.,CFC-ARCH-01,All Features,All Components,T-DESIGN-004
SWR-DESIGN-005,Software Requirement,Specified,State-Aware Operations,The software SHALL respect system state restrictions for all operations.,CFC-ARCH-02,All Features,All Components,T-DESIGN-005
SWR-DESIGN-006,Software Requirement,Specified,Event System Communication,The software SHALL use the Event System for all cross-component communication.,Architecture Requirement,All Features,All Components,T-DESIGN-006
SWR-QUAL-001,Software Requirement,Specified,Power Interruption Recovery,The software SHALL recover gracefully from power interruptions (< 1 second).,System Assumptions,System Reliability,All Components,T-QUAL-001
SWR-QUAL-002,Software Requirement,Specified,SD Card Failure Handling,The software SHALL handle SD card failures without system failure.,System Limitations,Data Persistence,"Persistence, STM",T-QUAL-002
SWR-QUAL-003,Software Requirement,Specified,Data Integrity During Updates,The software SHALL maintain data integrity during firmware updates.,SR-DATA-008,Data Integrity,"OTA Manager, Persistence",T-QUAL-003
SWR-QUAL-004,Software Requirement,Specified,Unauthorized Firmware Prevention,The software SHALL prevent unauthorized firmware execution.,SR-SEC-001,Security,"Security, OTA Manager",T-QUAL-004
SWR-QUAL-005,Software Requirement,Specified,Deterministic Behavior,The software SHALL provide deterministic behavior under all operational conditions.,CFC-TIME-02,System Reliability,All Components,T-QUAL-005