Formula-Electric-Berkeley/FEB_Firmware_SN4
Mar 2025 – Sep 2025
6 Months active
Languages Used
CXMLPython
Technical Skills
C ProgrammingCAN BusCAN Bus CommunicationEmbedded SystemsFirmware DevelopmentLow-Level Programming
ZacharyBer
PROFILE
Zacharyber
Zachary Berthillier developed and enhanced embedded firmware for the Formula-Electric-Berkeley/FEB_Firmware_SN4 repository, focusing on robust CAN bus communication, real-time data logging, and hardware integration. Over six months, he delivered features such as dynamic power limiting based on battery voltage, accelerator pedal data transmission, and improved sensor calibration, all implemented in C with supporting Python and XML tooling. His work emphasized code quality, maintainability, and traceability, introducing debugging instrumentation and refining device driver logic. By addressing both feature delivery and bug fixes, Zachary ensured safer, more reliable firmware operation and streamlined future development for embedded automotive control systems.
Overall Statistics
Feature vs Bugs
82%Features
Repository Contributions
13Total
Bugs
2
Commits
13
Features
9
Lines of code
793,600
Activity Months6
Your Network
6 people
Work History
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 (2025-09) – Focused on instrumentation and observability for the FEB_Firmware_SN4 module to improve data quality and debugging efficiency. Key feature delivered: Accelerator Pedal ADC Debug Logging, enabling visibility into ADC channel values during operation. Major bugs fixed: None reported in this period. Overall impact: Improved data traceability and faster root-cause analysis for accelerator pedal sensor data, setting the stage for more efficient calibration and validation in future sprints. Technologies/skills demonstrated: Embedded C, firmware-level instrumentation, CAN bus tracing (FEB_CAN_RMS.c), and rigorous commit-based traceability for reproducibility and audits.
1 Commits • 1 Features
Sep 1, 2025September 2025 (2025-09) – Focused on instrumentation and observability for the FEB_Firmware_SN4 module to improve data quality and debugging efficiency. Key feature delivered: Accelerator Pedal ADC Debug Logging, enabling visibility into ADC channel values during operation. Major bugs fixed: None reported in this period. Overall impact: Improved data traceability and faster root-cause analysis for accelerator pedal sensor data, setting the stage for more efficient calibration and validation in future sprints. Technologies/skills demonstrated: Embedded C, firmware-level instrumentation, CAN bus tracing (FEB_CAN_RMS.c), and rigorous commit-based traceability for reproducibility and audits.
September 2025
August 2025
3 Commits • 2 Features
Aug 1, 2025August 2025 performance summary for FEB_Firmware_SN4: Delivered two integrated feature tracks that improve data observability, data integrity, and readiness for future features. CAN Bus Enhancements and UI Integration adds a new CAN message for raw PCU accelerometer data, LV bus voltage filtering, and UI display improvements with updated tooling; Data Logger Enhancements enables default data logging, robust SD card mounting and log file creation, ensures non-interference by disabling CAN during logging, and refactors the XBee loop for future features. Submodule management and codebase alignment were performed to fix submodule configuration and adopt DASH code.
August 2025
3 Commits • 2 Features
Aug 1, 2025August 2025 performance summary for FEB_Firmware_SN4: Delivered two integrated feature tracks that improve data observability, data integrity, and readiness for future features. CAN Bus Enhancements and UI Integration adds a new CAN message for raw PCU accelerometer data, LV bus voltage filtering, and UI display improvements with updated tooling; Data Logger Enhancements enables default data logging, robust SD card mounting and log file creation, ensures non-interference by disabling CAN during logging, and refactors the XBee loop for future features. Submodule management and codebase alignment were performed to fix submodule configuration and adopt DASH code.
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025: Focused on stabilizing critical CAN data paths and correcting BMS control logic for FEB_Firmware_SN4. Delivered a CAN-based accelerator pedal data transmission feature and applied a high-priority bug fix to BMS initialization and torque computation, with updated debugging configurations to support faster validation. These changes improve real-time control accuracy, data integrity, and development efficiency.
2 Commits • 1 Features
Jul 1, 2025July 2025: Focused on stabilizing critical CAN data paths and correcting BMS control logic for FEB_Firmware_SN4. Delivered a CAN-based accelerator pedal data transmission feature and applied a high-priority bug fix to BMS initialization and torque computation, with updated debugging configurations to support faster validation. These changes improve real-time control accuracy, data integrity, and development efficiency.
July 2025
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary: Delivered Battery Pack Voltage-Based Power Limiting feature for FEB_Firmware_SN4 to dynamically cap torque based on pack voltage, protecting battery health and ensuring safe operation under voltage fluctuations. The work enhances safety, reliability, and performance consistency in varying operating conditions, and sets the foundation for voltage-aware control strategies.
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary: Delivered Battery Pack Voltage-Based Power Limiting feature for FEB_Firmware_SN4 to dynamically cap torque based on pack voltage, protecting battery health and ensuring safe operation under voltage fluctuations. The work enhances safety, reliability, and performance consistency in varying operating conditions, and sets the foundation for voltage-aware control strategies.
May 2025
2 Commits • 1 Features
May 1, 2025May 2025 Monthly Summary for FEB_Firmware_SN4: Delivered CAN TPS Telemetry with Heartbeat signaling and calibration adjustments to enhance system visibility, safety, and control reliability. Implemented TPS data transmission over CAN and corrected pedal/throttle calibrations to improve data accuracy for downstream control loops.
2 Commits • 1 Features
May 1, 2025May 2025 Monthly Summary for FEB_Firmware_SN4: Delivered CAN TPS Telemetry with Heartbeat signaling and calibration adjustments to enhance system visibility, safety, and control reliability. Implemented TPS data transmission over CAN and corrected pedal/throttle calibrations to improve data accuracy for downstream control loops.
May 2025
March 2025
4 Commits • 3 Features
Mar 1, 2025March 2025 performance summary for FEB_Firmware_SN4 focusing on delivering core platform capabilities, code quality improvements, and robust data handling that enable faster hardware integration and safer product releases.
March 2025
4 Commits • 3 Features
Mar 1, 2025March 2025 performance summary for FEB_Firmware_SN4 focusing on delivering core platform capabilities, code quality improvements, and robust data handling that enable faster hardware integration and safer product releases.
Activity
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Quality Metrics
Correctness80.8%
Maintainability80.0%
Architecture79.2%
Performance70.8%
AI Usage20.0%
Skills & Technologies
Programming Languages
CPythonXML
Technical Skills
C ProgrammingCAN BusCAN Bus CommunicationCode GenerationData LoggingDebuggingDebugging ConfigurationDevice DriversEmbedded SystemsFirmware DevelopmentLow-Level HardwareLow-Level ProgrammingMicrocontroller ConfigurationMicrocontroller ProgrammingSensor Calibration
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