flipperdevices/u-boot
Dec 2025 – Dec 2025
1 Month active
Languages Used
C
Technical Skills
C programmingdevice tree configurationembedded systems
Ted Lee
PROFILE
Ted Lee
Ted Lee contributed to the flipperdevices/u-boot repository by addressing a hardware-software integration issue affecting the NPCM8xx platform. He identified and corrected a misconfiguration in the device tree, specifically removing incorrect spi0cs2 and spi0cs3 pin assignments to stabilize SPI chip select behavior. Working in C and leveraging embedded systems expertise, Ted ensured accurate pin control and improved boot reliability for affected boards. His approach included thorough validation of the pinctrl model and disciplined use of Git for traceability. While the work focused on a single bug fix, it demonstrated careful attention to maintainability and the nuances of embedded firmware development.
Overall Statistics
Feature vs Bugs
0%Features
Repository Contributions
1Total
Bugs
1
Commits
1
Features
0
Lines of code
8
Activity Months1
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Work History
December 2025
1 Commits
Dec 1, 2025Concise monthly summary for December 2025 (2025-12) focusing on business value and technical achievements: Key features delivered - NPCM8xx SPI CS pin configuration fix in U-Boot: removed incorrect spi0cs2_pins and spi0cs3_pins to ensure accurate pin control for the npcm8xx SPI CS lines. Commit 05d60262951df7cd204170c284d26ba5257d099d; Signed-off-by: Ted Lee. Major bugs fixed - Corrected the pinctrl misconfiguration for npc m8xx SPI CS lines spi0cs2 and spi0cs3, preventing mis-selection of CS and unstable SPI peripheral behavior. Overall impact and accomplishments - Stabilized SPI CS behavior for NPCM8xx within U-Boot, improving boot reliability and peripheral communication on affected boards. - Enhanced maintainability and traceability with proper commit sign-off, supporting faster future changes. Technologies/skills demonstrated - Embedded firmware development (U-Boot), NPCM8xx pinctrl model - Hardware-software integration and validation for SPI CS lines - Git-derived code hygiene, commit discipline, and collaboration across teams
1 Commits
Dec 1, 2025Concise monthly summary for December 2025 (2025-12) focusing on business value and technical achievements: Key features delivered - NPCM8xx SPI CS pin configuration fix in U-Boot: removed incorrect spi0cs2_pins and spi0cs3_pins to ensure accurate pin control for the npcm8xx SPI CS lines. Commit 05d60262951df7cd204170c284d26ba5257d099d; Signed-off-by: Ted Lee. Major bugs fixed - Corrected the pinctrl misconfiguration for npc m8xx SPI CS lines spi0cs2 and spi0cs3, preventing mis-selection of CS and unstable SPI peripheral behavior. Overall impact and accomplishments - Stabilized SPI CS behavior for NPCM8xx within U-Boot, improving boot reliability and peripheral communication on affected boards. - Enhanced maintainability and traceability with proper commit sign-off, supporting faster future changes. Technologies/skills demonstrated - Embedded firmware development (U-Boot), NPCM8xx pinctrl model - Hardware-software integration and validation for SPI CS lines - Git-derived code hygiene, commit discipline, and collaboration across teams
December 2025
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C
Technical Skills
C programmingdevice tree configurationembedded systems
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