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During a four-month period, Duc contributed to the srwi/qmk_firmware and qmk/qmk_firmware repositories by expanding hardware support and improving firmware reliability for embedded keyboards. He integrated ArteryTek AT32F415 MCU support, centralized hardware pin definitions for LVGL keymaps, and enhanced SPI and APA102 driver compatibility, using C, Makefile, and Python. Duc addressed build system challenges and streamlined multi-board firmware compilation, enabling faster hardware integration and reducing configuration errors. He also fixed a backlight PWM inversion bug, improving device behavior. His work demonstrated depth in bootloader implementation, driver development, and microcontroller programming, resulting in more robust and portable embedded firmware solutions.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

6Total
Bugs
1
Commits
6
Features
4
Lines of code
1,335
Activity Months4

Work History

May 2025

1 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for qmk/qmk_firmware: Delivered cross-board portability for LVGL keymaps by centralizing hardware pin definitions (LCD and SPI) and enabling SPI drivers, significantly simplifying multi-board builds and accelerating new board support.

February 2025

1 Commits

Feb 1, 2025

February 2025 monthly work summary focusing on reliability and correctness of the Backlight PWM control in srwi/qmk_firmware. Delivered a targeted bug fix addressing an inversion in the complementary output, improving end-user backlight behavior and overall firmware stability.

January 2025

3 Commits • 2 Features

Jan 1, 2025

In 2025-01, delivered key features expanding hardware support on the srwi/qmk_firmware repository, including Onekey AT32F415 solenoid integration with SPI driver stabilization and APA102 driver compatibility improvements. This work enhanced hardware compatibility, reliability, and MCU reach, enabling new configurations and reducing build-time issues across firmware. Demonstrated expertise in embedded C/C++, MCU-specific driver work, and ChibiOS configuration management, with targeted linker script updates and SPI driver troubleshooting.

November 2024

1 Commits • 1 Features

Nov 1, 2024

Month: 2024-11. Focused on expanding hardware support for QMK firmware by adding ArteryTek AT32F415 MCU support for keyboards. Delivered end-to-end integration including MCU support, bootloader integration, build/schema updates, and documentation. No major bug fixes reported this month. The work expands device support, accelerates time-to-market for AT32F415-based keyboards, and demonstrates proficiency across embedded systems, build tooling, and documentation.

Activity

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Quality Metrics

Correctness83.4%
Maintainability83.4%
Architecture76.6%
Performance70.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CJSONMakefileMarkdownPython

Technical Skills

Bootloader ImplementationBuild SystemsDriver DevelopmentEmbedded SystemsFirmware DevelopmentMicrocontroller ConfigurationMicrocontroller Programming

Repositories Contributed To

2 repos

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

srwi/qmk_firmware

Nov 2024 Feb 2025
3 Months active

Languages Used

CJSONMakefileMarkdownPython

Technical Skills

Bootloader ImplementationBuild SystemsDriver DevelopmentEmbedded SystemsFirmware DevelopmentMicrocontroller Programming

qmk/qmk_firmware

May 2025 May 2025
1 Month active

Languages Used

C

Technical Skills

Embedded SystemsFirmware DevelopmentMicrocontroller Configuration

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