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allison

PROFILE

Allison

Allison Yen developed and enhanced embedded firmware for the Formula-Electric-Berkeley/FEB_Firmware_SN4 repository, focusing on power management, safety-critical communication, and system reliability. She modernized low-level drivers and integrated CMSIS core support for ARM Cortex-M microcontrollers using C and ARM assembly, improving maintainability and portability. Allison implemented robust CAN and UART communication stacks, optimized power control and I/O precision, and introduced a BMS heartbeat mechanism to support real-time health monitoring. Her work included debugging support, hardware monitoring integration, and code hygiene improvements, demonstrating depth in embedded systems, device driver development, and low-level programming while addressing both feature delivery and long-term maintainability.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

17Total
Bugs
2
Commits
17
Features
10
Lines of code
980,496
Activity Months6

Work History

May 2025

1 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for Formula-Electric-Berkeley/FEB_Firmware_SN4. Focused on implementing a robust BMS heartbeat mechanism and CAN communication to enhance health monitoring and safety-critical signaling.

April 2025

6 Commits • 3 Features

Apr 1, 2025

Month: 2025-04 – FEB_Firmware_SN4 firmware work focused on reliability, safety-critical readiness, and maintainability. Key features delivered include UART Stack Robustness and Efficiency Improvements, Soft BSPD Readiness and Tuning, and TPS2482 Monitoring and Calibration Integration. Major bug fix: Code Cleanup and Hygiene for Brake Pedal Modules. Impact: enhanced UART reliability, safer braking control through BSPD readiness, integrated hardware monitoring in the main loop, and reduced technical debt for easier future changes. Skills demonstrated: embedded C/C++ firmware design, peripheral configuration and error handling, hardware-monitor integration, system-level debugging, and code hygiene/maintenance practices.

March 2025

4 Commits • 2 Features

Mar 1, 2025

March 2025 monthly summary for the FEB_Firmware_SN4 repository, highlighting delivery of robust CAN data handling, ready-to-drive state improvements, and debugging support. Focused on delivering business value through safer, more reliable vehicle data interfaces and faster validation loops.

February 2025

2 Commits • 1 Features

Feb 1, 2025

February 2025 monthly summary for Formula-Electric-Berkeley/FEB_Firmware_SN4. Focused on delivering firmware performance improvements by optimizing the Power Control Unit (PCU) quorem function and I/O precision. This work reduces data processing jitter and improves control loop accuracy, enabling more reliable power management. No major bug fixes were documented this month; the primary efforts were feature-oriented. The changes lay groundwork for upcoming features and higher system stability.

January 2025

3 Commits • 2 Features

Jan 1, 2025

January 2025 monthly firmware summary for Formula-Electric-Berkeley/FEB_Firmware_SN4. Delivered major PCU driver modernization and build tooling, and integrated CMSIS core with STM32 platform headers. These changes enhance maintainability, portability, build reliability, and debugging efficiency, laying groundwork for future features and cross-module collaboration. No major defects fixed this month.

December 2024

1 Commits • 1 Features

Dec 1, 2024

Monthly summary for 2024-12: FEB_Firmware_SN4 delivered key firmware enhancements focused on power management and clock control. Implemented PCU header files and updated I2C and RCC drivers to enable more robust low-power operation and flexible clock configuration, leveraging Embedded C and MCU driver development practices. This work improves energy efficiency and reliability in power-critical subsystems and establishes a foundation for future power-management features. No major bugs were logged for this feature this month; ongoing QA validation is planned. Notable commit: 9dc5c715c6239b08abd831f222ec2e247e38066e.

Activity

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Quality Metrics

Correctness77.0%
Maintainability78.2%
Architecture75.8%
Performance73.0%
AI Usage23.6%

Skills & Technologies

Programming Languages

CXMLassembly

Technical Skills

ARM Cortex-MARM assemblyC ProgrammingCAN BusCAN Bus CommunicationClock ControlData Serialization/DeserializationDebuggingDebugging ConfigurationDevice DriversDriver DevelopmentEmbedded SystemsFirmware DevelopmentI2C CommunicationLinker Scripting

Repositories Contributed To

1 repo

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

Formula-Electric-Berkeley/FEB_Firmware_SN4

Dec 2024 May 2025
6 Months active

Languages Used

CXMLassembly

Technical Skills

Clock ControlEmbedded SystemsFirmware DevelopmentLow-Level Driver DevelopmentMicrocontroller ProgrammingPower Management

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