EXCEEDS logo
Exceeds
Zhaoming Li

PROFILE

Zhaoming Li

Over four months, contributed to Zephyr4Microchip/zephyr and zephyrproject-rtos/zephyr by developing and integrating embedded systems features in C and device tree source. Delivered a memory-mapped GPIO driver with device tree binding and Kconfig integration, enabling low-latency hardware control for Microchip platforms. Addressed a pointer-to-integer conversion issue in the Renesas DRW driver, ensuring GCC toolchain compatibility. Led the initial bring-up of the Armfly STM32H743XIH6 board, providing metadata, device tree configuration, and documentation, and completed peripheral integration for QSPI NOR flash, EEPROM, and I2C sensors. Work emphasized maintainability, hardware integration, and robust cross-platform support in embedded environments.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

4Total
Bugs
1
Commits
4
Features
3
Lines of code
1,423
Activity Months4

Work History

June 2026

1 Commits • 1 Features

Jun 1, 2026

June 2026 monthly summary: Delivered device tree peripheral descriptions for Armfly STM32H743XIH6 in Zephyr, enabling onboard QSPI NOR flash, AT24 EEPROM, and I2C sensors. This work completes hardware bring-up for the Armfly board in Zephyr and improves consistency of peripheral configuration across builds.

May 2026

1 Commits • 1 Features

May 1, 2026

Summary for May 2026: Delivered initial Armfly STM32H743XIH6 board bring-up in the Zephyr repository (metadata, device tree, and documentation). Implemented a flashing and debugging runner to accelerate hardware validation. This work expands platform coverage, improves onboarding, and strengthens STM32 bring-up skills and repository tooling. Commit reference: 833754cb756d0ae0647d6a37a18af40a6dadfe99.

April 2026

1 Commits

Apr 1, 2026

In April 2026, delivered a critical driver fix for the Renesas DRW in Zephyr, addressing a pointer-to-integer conversion issue to ensure compatibility with newer GCC toolchains. The fix casts pointers through uintptr_t before converting to uint32_t to correctly address the 32-bit DLISTSTART hardware register, eliminating -Wint-conversion warnings and potential runtime inconsistencies. This work stabilizes builds across GCC versions and improves portability across platforms that rely on the Renesas DRW driver.

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary for Zephyr4Microchip/zephyr: Delivered a memory-mapped GPIO driver for an output latch with device tree binding, including device tree binding, Kconfig, and CMake integration. This work provides a generic MMIO-based GPIO path for latch-style peripherals, enabling low-latency, deterministic control of external devices while simplifying hardware integration across Microchip-based platforms. Commit: 64f5fabf2a26013133987b89c024d949f3798e58. Repository: Zephyr4Microchip/zephyr.

Activity

Loading activity data...

Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CDTSRSTYAML

Technical Skills

C programmingdevice driver developmentdevice tree configurationdocumentation writingdriver developmentembedded systemshardware integration

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

Zephyr4Microchip/zephyr

Mar 2026 Apr 2026
2 Months active

Languages Used

C

Technical Skills

C programmingdevice driver developmentembedded systemsdriver development

zephyrproject-rtos/zephyr

May 2026 Jun 2026
2 Months active

Languages Used

CRSTYAMLDTS

Technical Skills

C programmingdevice tree configurationdocumentation writingembedded systemshardware integration