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PROFILE

Etsound

Worked on SunDevilRocketry’s Flight-Computer-Firmware and mod repositories, delivering embedded systems features and reliability improvements across flight control, GPS parsing, and servo control. Applied C and Python to refactor core modules, unify servo interfaces, and implement persistent configuration storage in flash memory. Enhanced CI/CD pipelines using GitHub Actions and Makefile-driven builds, expanded automated testing, and overhauled test infrastructure for maintainability. Addressed critical bugs in apogee detection and error handling, modernized code hygiene, and improved submodule orchestration for smoother releases. These efforts reduced deployment risk, improved build reliability, and accelerated iteration cycles for firmware and hardware integration in aerospace applications.

Overall Statistics

Feature vs Bugs

68%Features

Repository Contributions

94Total
Bugs
12
Commits
94
Features
25
Lines of code
2,771,340
Activity Months7

Work History

June 2026

35 Commits • 9 Features

Jun 1, 2026

June 2026 performance highlights for SunDevilRocketry/Flight-Computer-Firmware. Delivered architectural submodule orchestration and environment-ready build improvements, enabling reliable testing, faster iteration, and smoother releases. Key outcomes include a comprehensive submodule integration (pulling up submodules and emulator, integrating SDEC submodule, and a complete rewrite of the test submodule to raise quality), targeted CI/QA enhancements, and a focused codebase refactor to improve reuse and maintainability. Build reliability was strengthened through SDEC environment fixes, an emulator build fix, and a non-Cygwin terminal Makefile path resolution hotfix. Stability and quality improvements were achieved by addressing coast state errors, code formatting cleanups, and proactive submodule pointer/config alignment for merge readiness. These efforts collectively reduced build failures, improved test coverage, and accelerated release readiness.

May 2026

24 Commits • 7 Features

May 1, 2026

May 2026 monthly summary for SunDevilRocketry across Flight-Computer-Firmware and mod repositories. Key deliverables include a comprehensive test infrastructure overhaul (FCF test framework, relocated driver tests, removal of obsolete test submodule), CI/CodeQL and checkout tooling fixes ensuring submodule integrity and accurate code scanning, updates to documentation templates, auto-assignment of Nich to triage, a new validation routine for revision 3 flash data, guard pattern modernization, expanded test coverage for assert macros, and CI module refactor to reduce duplication. In the mod repository, a critical fix widened the error callback table iterator from uint8_t to uint16_t to prevent overflow during error handling. These changes reduce risk, improve quality and security, speed up triage and testing, and demonstrate strong proficiency in embedded firmware, CI/CD, test automation, and code quality tooling.

September 2025

5 Commits • 1 Features

Sep 1, 2025

September 2025 — Delivered critical accuracy and CI improvements for the SunDevilRocketry Flight-Computer-Firmware. Major outcomes include a corrected apogee detection algorithm, and expanded automated testing and CI coverage to improve reliability and deployment speed. These efforts reduce risk in flight data interpretation and accelerate iteration cycles.

August 2025

14 Commits • 3 Features

Aug 1, 2025

August 2025 performance summary: Delivered core flight control overhaul with dual deployment enhancements, expanded apogee detection, and PID stability improvements; strengthened CI/test infrastructure and testability; and extended error reporting for ignition continuity in dual deploy systems. These changes reduce deployment risk, improve flight reliability, and accelerate development feedback loops.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025 performance summary for SunDevilRocketry/mod: Delivered a major refactor of the servo control system by unifying multiple servo drive calls into a single generalized motor_drive function that accepts a ServoID enum. This reduces code duplication, improves maintainability, and enables easier future enhancements. Addressed review findings to stabilize the servo driver path and prepared groundwork for broader servo control changes. Key commits contributing to this work: 4f0862562b6b7531a8880213b2afeea8dfd6d73a (Review Fixes) and 228d0bd1007b7128d94e0b223886590add77aa9f (Changes in progress). Overall impact: lower maintenance cost, faster iteration cycles for future actuator support, and improved reliability of motion control in the SunDevilRocketry mod repository. Technologies/skills demonstrated: API design (ServoID enum), refactoring for maintainability, code-review driven QA, embedded systems development practices, and clean commit hygiene.

June 2025

1 Commits

Jun 1, 2025

June 2025 monthly summary for SunDevilRocketry/Flight-Computer-Firmware: Delivered robust configuration validation and early error handling to fail-fast on invalid configurations, preventing unsafe flight operations. Implemented explicit error handling during configuration validity checks, flagging invalid setups early and stopping progression to flight controls. Result: improved reliability, safety, and maintainability with clearer failure signaling.

March 2025

13 Commits • 4 Features

Mar 1, 2025

March 2025 performance summary: Delivered critical GPS reliability improvements, expanded test coverage, and automation across two SunDevilRocketry repos. Implemented persistent preset configuration in flash, streamlined regression testing, and cleaned test scaffolding to reduce maintenance overhead. These efforts enhanced reliability in field operation, enabled faster iteration, and strengthened release quality.

Activity

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Quality Metrics

Correctness91.4%
Maintainability90.6%
Architecture88.0%
Performance88.0%
AI Usage20.6%

Skills & Technologies

Programming Languages

CGitJSONMakefileMarkdownNonePythonUnknownYAML

Technical Skills

Build ManagementC ProgrammingC programmingCI/CDCode CleanupCode QualityContinuous IntegrationControl SystemsDependency ManagementDevOpsDriver DevelopmentEmbedded SystemsEmbedded Systems DevelopmentError HandlingFirmware Development

Repositories Contributed To

2 repos

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

SunDevilRocketry/Flight-Computer-Firmware

Mar 2025 Jun 2026
6 Months active

Languages Used

CMakefileYAMLGitMarkdownNonePythonJSON

Technical Skills

C ProgrammingCI/CDEmbedded SystemsFirmware DevelopmentFlash Memory ManagementGPS Integration

SunDevilRocketry/mod

Mar 2025 May 2026
4 Months active

Languages Used

C

Technical Skills

C ProgrammingEmbedded SystemsGPS ParsingDriver DevelopmentFirmware DevelopmentError Handling