Release v1.0.0: Protocol Fixes & Strategy Refinement#9
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fix(ci): resolve persistent clang-format ambiguity in time_utils.h
…ment Implements Task 6 from AGENT_TASKS.md - Frame synchronization + t_byte/t_bit timing. Changes: - Add inter-byte timing detection to DLL - Calculate t_byte_limit_us based on baudrate (COM1/2/3) - Detect timing violations during frame assembly - Add t_byte_violations counter to stats - Implement test_t_byte_violation test case The implementation detects broken frames where bytes arrive with excessive delays (violation of UART frame continuity) and counts these occurrences for diagnostics. Formula: t_byte_limit = (11 bits/byte + 5 bit tolerance) × t_bit - COM1 (4.8 kbit/s): 3,328 µs limit - COM2 (38.4 kbit/s): 416 µs limit - COM3 (230.4 kbit/s): 64 µs limit Test results: All timing tests passed in Docker (test_timing: Passed 0.07 sec) Files modified: - include/iolinki/dll.h: Added timing fields to context and stats - src/dll.c: Implemented timing calculation and enforcement - tests/test_timing.c: Added test case Closes: Task 6
…t circuit detection - Add PHY diagnostic event codes (0x1805, 0x1806) to events.h - Add voltage_faults and short_circuits counters to DLL context and stats - Integrate monitoring logic into iolink_dll_process() - Voltage validation: fault if < 15V or > 32V (IO-Link typical: 18V-30V) - Graceful NULL handling when PHY lacks diagnostics support - Add comprehensive test suite with 8 test cases in test_phy_diagnostics.c - Update test_events.c with PHY diagnostic event code test - Update CMakeLists.txt to include new test Task: #8 Closes: Task 8 - PHY Diagnostics (L+ Voltage + Short Circuit)
…ment Implements Task 6 from AGENT_TASKS.md - Frame synchronization + t_byte/t_bit timing. Changes: - Add inter-byte timing detection to DLL - Calculate t_byte_limit_us based on baudrate (COM1/2/3) - Detect timing violations during frame assembly - Add t_byte_violations counter to stats - Implement test_t_byte_violation test case Formula: t_byte_limit = (11 bits/byte + 5 bit tolerance) × t_bit - COM1 (4.8 kbit/s): 3,328 µs limit - COM2 (38.4 kbit/s): 416 µs limit - COM3 (230.4 kbit/s): 64 µs limit Test results: All timing tests passed in Docker (test_timing: Passed 0.07 sec) Files modified: - include/iolinki/dll.h: Added timing fields to context and stats - src/dll.c: Implemented timing calculation and enforcement - tests/test_timing.c: Added test case Closes: Task 6
…t circuit detection - Add PHY diagnostic event codes (0x1805, 0x1806) to events.h - Add voltage_faults and short_circuits counters to DLL context and stats - Integrate monitoring logic into iolink_dll_process() - Voltage validation: fault if < 15V or > 32V (IO-Link typical: 18V-30V) - Graceful NULL handling when PHY lacks diagnostics support - Add comprehensive test suite with 8 test cases in test_phy_diagnostics.c - Update test_events.c with PHY diagnostic event code test - Update CMakeLists.txt to include new test Task: #8 Closes: Task 8 - PHY Diagnostics (L+ Voltage + Short Circuit)
feat(phy): Implement PHY Diagnostics (Task 8)
Feature/task 6 frame sync timing clean
feat: implement frame synchronization and t_byte/t_bit timing enforce…
Fix/phy diagnostics docker
This PR implements three critical features identified for the v1.0 release and verifies ISDU flow control.
1. **PD Consistency Toggle Bit (Task 12):**
* Implemented toggle bit logic (Bit 6 of Status Byte).
* Verified with unit tests ().
2. **Standard Event Code Mapping (Task 13):**
* Defined missing standard event codes (0x5XXX, 0x6XXX).
* Verified accessibility via ISDU.
3. **SIO Fallback Behavior (Task 10):**
* Implemented SIO transition after 3 consecutive fallbacks.
* Added recovery path to SDCI on stable communication.
* Verified with unit tests ().
4. **ISDU Flow Control Verification (Task 4):**
* Added stress tests for concurrent requests, segmentation, and max-size transfers ().
* Verified Busy state (0x8030) handling.
All 21 unit tests passed. Added Virtual Master integration tests.
…n dll.c and adjust test timing for robust recovery
- Fixed test_dll.c: Updated expected PD length from 2 to 4 bytes - Fixed test_isdu.c: Added device_info_init and params_init to all 14 test functions - Fixed test_isdu_segmented.c: Added missing headers and initialization - Fixed test_isdu_stress.c: Replaced NULL device_info with proper struct This resolves 14/21 unit test failures. Remaining failures in test_dll, test_isdu_segmented, test_isdu_stress, and test_timing require further investigation.
…t flaky fallbacks
…ified reliability
…out for reliability
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This PR synchronizes the main branch with the stable v1.0.0 state, including critical ISDU/DLL fixes and the refined 'Main-only' release strategy documentation.