zephyrproject-rtos/zephyr
Jan 2026 – Feb 2026
2 Months active
Languages Used
C
Technical Skills
C programmingdriver developmentembedded systems
Andre Stefanov
PROFILE
Andre Stefanov
Worked on the zephyrproject-rtos/zephyr repository, focusing on stepper motor driver improvements for embedded systems. Addressed a timing accuracy issue in single-edge mode by ensuring the update interval was correctly honored, which improved deterministic step toggling and hardware compatibility. Enhanced the stepper driver by adding enable GPIO support for TMC51xx devices via devicetree, allowing reliable energize and de-energize control while maintaining backward compatibility. Used C programming and embedded driver development skills to deliver targeted, robust changes that reduced field support risk and enabled safer hardware integration, demonstrating a methodical approach to reliability and maintainability in embedded motion control solutions.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
2Total
Bugs
1
Commits
2
Features
1
Lines of code
54
Activity Months2
Your Network
726 peopleWork History
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for zephyrproject-rtos/zephyr focusing on key accomplishments and value delivered.
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for zephyrproject-rtos/zephyr focusing on key accomplishments and value delivered.
February 2026
January 2026
1 Commits
Jan 1, 2026January 2026 monthly summary for zephyrproject-rtos/zephyr: Focused on robustness and correctness of stepper motor control. Delivered a critical bug fix in single-edge mode that ensures the timing interval passed to updates is honored, resulting in accurate step toggling rates and improved deterministic behavior. The fix adjusts the work-timing source to store the update interval and schedule work using that value, addressing a previous mismatch where the interval was ignored in updates. The change also ensures the timing source is configured with half the microstep period to meet single-edge edge generation requirements. Overall, this work improves hardware compatibility, reliability, and predictability for embedded motion control, reducing field support risk and enabling more precise motor control across deployments.
January 2026
1 Commits
Jan 1, 2026January 2026 monthly summary for zephyrproject-rtos/zephyr: Focused on robustness and correctness of stepper motor control. Delivered a critical bug fix in single-edge mode that ensures the timing interval passed to updates is honored, resulting in accurate step toggling rates and improved deterministic behavior. The fix adjusts the work-timing source to store the update interval and schedule work using that value, addressing a previous mismatch where the interval was ignored in updates. The change also ensures the timing source is configured with half the microstep period to meet single-edge edge generation requirements. Overall, this work improves hardware compatibility, reliability, and predictability for embedded motion control, reducing field support risk and enabling more precise motor control across deployments.
Activity
Loading activity data...
Quality Metrics
Correctness100.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C
Technical Skills
C programmingdriver developmentembedded systems
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline