scsd-cdh/OBC
Nov 2024 – Mar 2026
11 Months active
Languages Used
CC++XMLArduinoAssemblybash
Technical Skills
CC++Embedded SystemsFile SystemsMicrocontroller ProgrammingSPI Communication
Brendan Kelly
PROFILE
Brendan Kelly
Brew Kelly developed and maintained embedded systems features for the scsd-cdh/OBC repository, focusing on battery management, telemetry, and hardware integration. He engineered cross-platform firmware using C and C++, implementing I2C and SPI communication protocols for real-time data acquisition and control. His work included integrating ADC drivers, expanding support for multiple microcontroller variants, and establishing robust build and debugging environments. By refactoring interrupt handling and introducing middleware for device drivers, Brew improved system reliability and maintainability. He also addressed Linux scripting compatibility, enabling smoother development workflows. The depth of his contributions reflects strong embedded systems expertise and attention to integration challenges.
Overall Statistics
Feature vs Bugs
86%Features
Repository Contributions
50Total
Bugs
3
Commits
50
Features
19
Lines of code
218,037
Activity Months11
Your Network
7 peopleShared Repositories
7
Work History
March 2026
2 Commits • 1 Features
Mar 1, 2026Month: 2026-03 – concise monthly summary for scsd-cdh/OBC focusing on feature delivery and business value. Key features delivered: MSP430FR5969 I2C master bit-banging support for the Battery Management System, with default target aligned to MSP430FR5969 to ensure compatibility with new device settings and debugging configurations. Major bugs fixed: none this month. Overall impact and accomplishments: enables reliable I2C communication on MSP430FR5969 within the BMS, reduces integration risk for new devices, and improves debugging and maintenance workflows. Technologies/skills demonstrated: embedded C, MSP430 microcontroller, I2C bit-banging, build target configuration, CCS/IDE usage. Commit traceability: a8f097483c8695a9d5a8786195ad2d238f2b7f6c (BMS: Support bitbanging master i2c on 5969); 748f8fb13eda45e16d7d7a1ffd05b105fdb1a093 (MSP+CCS: Switch to default 5969).
2 Commits • 1 Features
Mar 1, 2026Month: 2026-03 – concise monthly summary for scsd-cdh/OBC focusing on feature delivery and business value. Key features delivered: MSP430FR5969 I2C master bit-banging support for the Battery Management System, with default target aligned to MSP430FR5969 to ensure compatibility with new device settings and debugging configurations. Major bugs fixed: none this month. Overall impact and accomplishments: enables reliable I2C communication on MSP430FR5969 within the BMS, reduces integration risk for new devices, and improves debugging and maintenance workflows. Technologies/skills demonstrated: embedded C, MSP430 microcontroller, I2C bit-banging, build target configuration, CCS/IDE usage. Commit traceability: a8f097483c8695a9d5a8786195ad2d238f2b7f6c (BMS: Support bitbanging master i2c on 5969); 748f8fb13eda45e16d7d7a1ffd05b105fdb1a093 (MSP+CCS: Switch to default 5969).
March 2026
January 2026
1 Commits
Jan 1, 2026January 2026: Focused on improving cross-platform script execution in the OBC project. Resolved Linux compatibility issues in CLion by updating script commands to bash, reducing environment-specific errors and enabling smoother remote development workflow.
January 2026
1 Commits
Jan 1, 2026January 2026: Focused on improving cross-platform script execution in the OBC project. Resolved Linux compatibility issues in CLion by updating script commands to bash, reducing environment-specific errors and enabling smoother remote development workflow.
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025 monthly summary focusing on hardware-software integration for the OBC BMS in scsd-cdh/OBC. Implemented initialization enhancements to improve communication with the SAMV71 master and ensure stable operation through TI GPIO driver usage and 16MHz clock initialization.
1 Commits • 1 Features
Oct 1, 2025October 2025 monthly summary focusing on hardware-software integration for the OBC BMS in scsd-cdh/OBC. Implemented initialization enhancements to improve communication with the SAMV71 master and ensure stable operation through TI GPIO driver usage and 16MHz clock initialization.
October 2025
September 2025
15 Commits • 5 Features
Sep 1, 2025September 2025 performance summary for scsd-cdh/OBC: Focused on delivering core BMS capabilities, expanding ADC data visibility, and stabilizing timekeeping on the MSP MCU platform. Implemented ADS7138 integration via SWI2C with new driver and middleware, enabling external ADC reads and batch reads with telemetry paths. Migrated BMS timekeeping to RTC_C on MSP430FR5989, aligning with platform support and updating configuration. Adjusted Heater PWM timing to meet spec (99 instead of 1000) to ensure reliable heater control. Refactored non-blocking BMS architecture by moving long-running data collection out of ISR and introducing trigger flags, improving responsiveness and reliability. Performed codebase cleanup, added observability enhancements, and improved diagnostics for PWM/ADC to facilitate maintenance and faster MTTR.
September 2025
15 Commits • 5 Features
Sep 1, 2025September 2025 performance summary for scsd-cdh/OBC: Focused on delivering core BMS capabilities, expanding ADC data visibility, and stabilizing timekeeping on the MSP MCU platform. Implemented ADS7138 integration via SWI2C with new driver and middleware, enabling external ADC reads and batch reads with telemetry paths. Migrated BMS timekeeping to RTC_C on MSP430FR5989, aligning with platform support and updating configuration. Adjusted Heater PWM timing to meet spec (99 instead of 1000) to ensure reliable heater control. Refactored non-blocking BMS architecture by moving long-running data collection out of ISR and introducing trigger flags, improving responsiveness and reliability. Performed codebase cleanup, added observability enhancements, and improved diagnostics for PWM/ADC to facilitate maintenance and faster MTTR.
August 2025
3 Commits • 1 Features
Aug 1, 20252025-08 monthly summary for scsd-cdh/OBC focusing on deliverables, fixes, and impact. This period highlights driver integration for ADSIRTER7138 with I2C interface and data paths for thermistor/external ADC data, along with a stability fix in RoutineCycle_Process to reset stale flags at the start of each collection cycle. The work improves sensor data fidelity, BMS interoperability, and overall reliability of the data collection pipeline.
3 Commits • 1 Features
Aug 1, 20252025-08 monthly summary for scsd-cdh/OBC focusing on deliverables, fixes, and impact. This period highlights driver integration for ADSIRTER7138 with I2C interface and data paths for thermistor/external ADC data, along with a stability fix in RoutineCycle_Process to reset stale flags at the start of each collection cycle. The work improves sensor data fidelity, BMS interoperability, and overall reliability of the data collection pipeline.
August 2025
July 2025
5 Commits • 1 Features
Jul 1, 2025Month: 2025-07 — Performance review-focused monthly summary for the OBC repository. This period concentrated on delivering a robust development environment for BMS on CCS and reinforcing core stability of communication and timekeeping subsystems.
July 2025
5 Commits • 1 Features
Jul 1, 2025Month: 2025-07 — Performance review-focused monthly summary for the OBC repository. This period concentrated on delivering a robust development environment for BMS on CCS and reinforcing core stability of communication and timekeeping subsystems.
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for scsd-cdh/OBC: Delivered end-to-end PWM-based heater control communication between Pico Master and BMS, enabling precise heater actuation and automated control. Implemented data integrity validation for PWM transmissions and added a dedicated PWM data test set. Enabled BMS to emit PWM signals on master request, providing active control of heaters and reducing manual tuning. This work improves safety, responsiveness, and energy efficiency, and establishes a scalable foundation for future control features.
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for scsd-cdh/OBC: Delivered end-to-end PWM-based heater control communication between Pico Master and BMS, enabling precise heater actuation and automated control. Implemented data integrity validation for PWM transmissions and added a dedicated PWM data test set. Enabled BMS to emit PWM signals on master request, providing active control of heaters and reducing manual tuning. This work improves safety, responsiveness, and energy efficiency, and establishes a scalable foundation for future control features.
June 2025
May 2025
14 Commits • 4 Features
May 1, 2025May 2025 monthly summary for scsd-cdh/OBC: Delivered core BMS telemetry integration with real ADC readings and GPIO flag telemetry, established CDH project foundations, added SAMV71 platform drivers, and shipped a system heartbeat indicator. The work improves telemetry accuracy, enables real-time monitoring, and lays groundwork for scalable command-and-data handling across the stack.
May 2025
14 Commits • 4 Features
May 1, 2025May 2025 monthly summary for scsd-cdh/OBC: Delivered core BMS telemetry integration with real ADC readings and GPIO flag telemetry, established CDH project foundations, added SAMV71 platform drivers, and shipped a system heartbeat indicator. The work improves telemetry accuracy, enables real-time monitoring, and lays groundwork for scalable command-and-data handling across the stack.
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for scsd-cdh/OBC: delivered hardware-level enhancements to Battery Management System with ADC pin expansion and cross-MCU compatibility, and implemented RTC initialization logic tailored to each MCU variant. All changes mapped to a single commit for traceability.
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for scsd-cdh/OBC: delivered hardware-level enhancements to Battery Management System with ADC pin expansion and cross-MCU compatibility, and implemented RTC initialization logic tailored to each MCU variant. All changes mapped to a single commit for traceability.
April 2025
March 2025
4 Commits • 3 Features
Mar 1, 2025March 2025 (scsd-cdh/OBC): Implemented foundational BMS integration and telemetry capabilities, establishing the essential interfaces and workflows for future remote data access and control. Key features delivered include an I2C-based BMS communication framework with Tinyprotocol telemetry/telecommand support, telemetry-driven current/power status monitoring reported to the CDH, and development/build tooling with CCS project configuration to streamline BMS development. No major bugs reported this month; focus was on delivering robust foundational capabilities with clear upgrade paths. Business value and impact: Enables remote monitoring and control of the Battery Management System, improves system visibility, accelerates integration with hardware, and ensures reproducible builds for faster iteration and reduced maintenance cost.
March 2025
4 Commits • 3 Features
Mar 1, 2025March 2025 (scsd-cdh/OBC): Implemented foundational BMS integration and telemetry capabilities, establishing the essential interfaces and workflows for future remote data access and control. Key features delivered include an I2C-based BMS communication framework with Tinyprotocol telemetry/telecommand support, telemetry-driven current/power status monitoring reported to the CDH, and development/build tooling with CCS project configuration to streamline BMS development. No major bugs reported this month; focus was on delivering robust foundational capabilities with clear upgrade paths. Business value and impact: Enables remote monitoring and control of the Battery Management System, improves system visibility, accelerates integration with hardware, and ensures reproducible builds for faster iteration and reduced maintenance cost.
November 2024
1 Commits • 1 Features
Nov 1, 2024November 2024 monthly summary for repo scsd-cdh/OBC. Delivered an end-to-end LittleFS + MRAM persistence example for Raspberry Pi Pico, demonstrating integration of the LittleFS filesystem with MRAM storage for persistent data. The deliverable includes LittleFS library files and an Arduino sketch to manage MRAM read/write, providing a concrete reference for edge-device persistence and data durability.
1 Commits • 1 Features
Nov 1, 2024November 2024 monthly summary for repo scsd-cdh/OBC. Delivered an end-to-end LittleFS + MRAM persistence example for Raspberry Pi Pico, demonstrating integration of the LittleFS filesystem with MRAM storage for persistent data. The deliverable includes LittleFS library files and an Arduino sketch to manage MRAM read/write, providing a concrete reference for edge-device persistence and data durability.
November 2024
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Quality Metrics
Correctness87.0%
Maintainability86.2%
Architecture81.8%
Performance81.6%
AI Usage20.4%
Skills & Technologies
Programming Languages
ArduinoAssemblyCC++XMLbash
Technical Skills
ADCADC IntegrationAPI DevelopmentAnalog-to-Digital Converter (ADC)Atmel Start FrameworkBit ManipulationBuild System ConfigurationBuild SystemsCC ProgrammingC programmingC++C/C++Clock System ConfigurationCommunication Protocols
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