tiiuae/nuttx
Jan 2025 – Feb 2025
2 Months active
Languages Used
C
Technical Skills
C programmingDate and Time FormattinglibcConfiguration ManagementEmbedded SystemsRTOS
Tim Kan(SSS)
PROFILE
Tim Kan(sss)
Worked on the tiiuae/nuttx repository over a two-month period, focusing on embedded systems and configuration management using C. Delivered a startup SPIRAM memory test option for ESP32 platforms, introducing a write-read validation at boot to improve memory integrity and reliability, with the test enabled by default and designed to halt on failure. Also addressed a critical bug in the libc component by correcting an off-by-one error in date formatting, ensuring accurate month representation in logs and scheduling data. Emphasized regression validation and API compatibility, demonstrating attention to detail in RTOS environments and cross-architecture integration with ESP-IDF conventions.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
2Total
Bugs
1
Commits
2
Features
1
Lines of code
40
Activity Months2
Your Network
254 peopleWork History
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary: Delivered SPIRAM memory test startup option (CONFIG_SPIRAM_MEMTEST) for ESP32/ESP32-S2/ESP32-S3 in NuttX, introducing a startup write-read SPIRAM test to improve boot reliability and memory integrity. The test is enabled by default and will panic if it fails, enabling early detection of SPIRAM issues. Commit associated with this work: 1c6b603eec8b450cdef7e79facbe79d68da87dcd (feat(arch/xensa): add CONFIG_SPIRAM_MEMTEST from ESP-IDF). Major bugs fixed: none reported this month. Overall impact: enhances startup reliability, memory integrity, and cross-ecosystem compatibility with ESP-IDF; reduces risk of SPIRAM-related failures in production. Technologies/skills demonstrated: ESP32 SPIRAM, NuttX configuration, boot-time memory testing, cross-architecture contribution, ESP-IDF conventions.
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary: Delivered SPIRAM memory test startup option (CONFIG_SPIRAM_MEMTEST) for ESP32/ESP32-S2/ESP32-S3 in NuttX, introducing a startup write-read SPIRAM test to improve boot reliability and memory integrity. The test is enabled by default and will panic if it fails, enabling early detection of SPIRAM issues. Commit associated with this work: 1c6b603eec8b450cdef7e79facbe79d68da87dcd (feat(arch/xensa): add CONFIG_SPIRAM_MEMTEST from ESP-IDF). Major bugs fixed: none reported this month. Overall impact: enhances startup reliability, memory integrity, and cross-ecosystem compatibility with ESP-IDF; reduces risk of SPIRAM-related failures in production. Technologies/skills demonstrated: ESP32 SPIRAM, NuttX configuration, boot-time memory testing, cross-architecture contribution, ESP-IDF conventions.
February 2025
January 2025
1 Commits
Jan 1, 2025January 2025: Focused on stabilizing date formatting in the libc component of tiiuae/nuttx. Delivered a critical bug fix correcting an off-by-one error in lib_strftime when formatting dates with %F, ensuring correct 1-12 month representation and preventing misformatted outputs in logs, UI, and scheduling data.
January 2025
1 Commits
Jan 1, 2025January 2025: Focused on stabilizing date formatting in the libc component of tiiuae/nuttx. Delivered a critical bug fix correcting an off-by-one error in lib_strftime when formatting dates with %F, ensuring correct 1-12 month representation and preventing misformatted outputs in logs, UI, and scheduling data.
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Quality Metrics
Correctness90.0%
Maintainability90.0%
Architecture90.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C
Technical Skills
C programmingConfiguration ManagementDate and Time FormattingEmbedded SystemsRTOSlibc
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