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Charles Dias

PROFILE

Charles Dias

Charles Dias developed and integrated advanced device drivers and hardware support features across Zephyr-based repositories, including zephyrproject-rtos/zephyr and nxp-upstream/zephyr. He engineered MIPI DSI display connectivity, capacitive touch input, and video capture support for STM32 platforms, leveraging C, Device Tree, and RTOS expertise. His work included implementing configuration menus, modular overlays, and robust input drivers, such as I2C-based gamepad support, to expand hardware compatibility and streamline prototyping. Charles focused on maintainable, test-driven development, enhancing validation coverage and reducing integration friction. His contributions demonstrated depth in embedded systems, graphics programming, and sensor integration, consistently delivering production-ready features.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

19Total
Bugs
0
Commits
19
Features
10
Lines of code
1,794
Activity Months6

Work History

March 2026

2 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary for nxp-upstream/zephyr focusing on feature delivery and code quality across the repository.

November 2025

4 Commits • 3 Features

Nov 1, 2025

2025-11 Monthly summary for nrfconnect/sdk-zephyr focusing on features, bugs fixed, and business impact.

October 2025

6 Commits • 2 Features

Oct 1, 2025

Month 2025-10: Delivered MIPI DSI display connectivity enhancements for STM32-based platforms in Zephyr RTOS. Key deliverables include: (1) MIPI DSI support for STM32U5 implemented via driver updates and device-tree bindings, including DSI PLL/PHY configuration and clock source settings (4 commits). (2) MIPI DSI support for STM32U59x/5Ax added with a dedicated DSI host controller device-tree node and wiring (2 commits). These changes enable native display connectivity on STM32 boards and form the foundation for graphics-rich user experiences. The work improves hardware compatibility, reduces integration risk for new boards, and demonstrates strong proficiency in embedded Linux kernel development, device-tree bindings, and MIPI-DSI engineering.

August 2025

4 Commits • 2 Features

Aug 1, 2025

August 2025 monthly summary focusing on delivering and validating new display hardware support in Zephyr tied to business enablement for expanded hardware compatibility and faster go-to-market for customers.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for AmbiqMicro/ambiqzephyr. Delivered Video Capture Support for STM32H7B3I-DK by adding configuration files, overlays, and README updates to enable video capture on stm32h7b3i_dk. This work expands hardware support and accelerates prototyping for vision-enabled applications. No major bugs fixed this period.

October 2024

1 Commits • 1 Features

Oct 1, 2024

Month: 2024-10 — Focused delivery on configurability and testing groundwork for the Zephyr video capture sample. Implemented LVGL Video Capture Sample Configurability by adding a Kconfig menu for video configuration options and updating sample.yaml to include shield configurations, enabling the weact_ov2640_cam_module. This work reduces configuration friction, improves testing coverage, and accelerates hardware integration.

Activity

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Quality Metrics

Correctness95.2%
Maintainability90.6%
Architecture91.6%
Performance87.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

CCMakeDTSDevice TreeRSTYAML

Technical Skills

C programmingClock ControlConfiguration ManagementDevice ConfigurationDevice DriversDevice TreeDisplay DriversDriver DevelopmentEmbedded SystemsHardware IntegrationI2C communicationMIPI DSIRTOSSTM32Testing

Repositories Contributed To

5 repos

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

zephyrproject-rtos/zephyr

Aug 2025 Oct 2025
2 Months active

Languages Used

CDTSDevice TreeYAML

Technical Skills

Device DriversDevice TreeDisplay DriversDriver DevelopmentEmbedded SystemsHardware Integration

nrfconnect/sdk-zephyr

Nov 2025 Nov 2025
1 Month active

Languages Used

CCMakeDTS

Technical Skills

C programmingdevice driver developmentdevice tree configurationembedded systemsgraphics programminghardware interfacing

AmbiqMicro/ambiqzephyr

Jul 2025 Jul 2025
1 Month active

Languages Used

CRSTYAML

Technical Skills

Device ConfigurationEmbedded SystemsZephyr RTOS

nxp-upstream/zephyr

Mar 2026 Mar 2026
1 Month active

Languages Used

C

Technical Skills

C programmingI2C communicationdriver developmentembedded systems

kholia/zephyr

Oct 2024 Oct 2024
1 Month active

Languages Used

C

Technical Skills

Configuration ManagementDevice DriversEmbedded Systems