Mu2e/otsdaq-mu2e
Oct 2024 – Feb 2026
15 Months active
Languages Used
ShellC++TclYAMLCMakeNonebash
Technical Skills
Shell ScriptingCode RefactoringConfiguration ManagementDatabase SecurityDevOpsEmbedded Systems
RYAN RIVERA
PROFILE
Ryan Rivera
Over 15 months, Ryan Rivera engineered and maintained core data acquisition and hardware integration features for the Mu2e/otsdaq-mu2e repository, focusing on embedded systems and real-time event building. He delivered robust C++ and shell scripting solutions for FPGA configuration, ROC programming, and automated hardware setup, emphasizing reliability and maintainability. Rivera enhanced system observability through improved logging, error handling, and UI-driven monitoring, while strengthening deployment integrity with firmware verification scripts. His work included rigorous code refactoring, clang-format compliance, and database security improvements, resulting in a cleaner, more scalable codebase that supports efficient testing, rapid diagnostics, and streamlined hardware-software integration.
Overall Statistics
Feature vs Bugs
79%Features
Repository Contributions
112Total
Bugs
10
Commits
112
Features
38
Lines of code
26,183
Activity Months15
Your Network
60 peopleShared Repositories
20
Work History
February 2026
2 Commits • 2 Features
Feb 1, 2026February 2026 (Mu2e/otsdaq-mu2e): Delivered two key features focused on operational visibility and deployment integrity, enabling improved monitoring, reliability, and faster diagnostics. The work enhances UI access to system state data and validates firmware deployments across devices, aligning with the product's reliability and O&M goals.
2 Commits • 2 Features
Feb 1, 2026February 2026 (Mu2e/otsdaq-mu2e): Delivered two key features focused on operational visibility and deployment integrity, enabling improved monitoring, reliability, and faster diagnostics. The work enhances UI access to system state data and validates firmware deployments across devices, aligning with the product's reliability and O&M goals.
February 2026
January 2026
18 Commits • 4 Features
Jan 1, 2026January 2026 Monthly Summary for Mu2e/otsdaq-mu2e: What was delivered this month focused on improving reliability, developer experience, and data handling, with clear business value through fewer test flakies, faster debugging, and more maintainable code. Key features and improvements: - Test infrastructure and environment variable configuration improvements: Added environment variable definitions for DTC tests and centralized environment variable handling within the otsdaq repo to improve testing reliability and maintainability. - ROC operation user experience improvements: Enhanced feedback for ROC operations and improved error visibility in tests to speed debugging and reduce operator frustration. - Robust JSON handling and escaping improvements: Implemented safer JSON value handling with URI encoding and strengthened string escaping to prevent issues with special characters in data exchange. - Code quality, formatting, and maintainability improvements: Refactored for readability, clang-format adherence, improved logging clarity, and backend structure enhancements to reduce technical debt. Major bugs fixed: - Fixed test flakiness linked to missing environment variables by ensuring reliable env var provisioning for DTC tests. - Improved error visibility for ROC-related failures, including errors shown in buffer tests, reducing debugging time. - Hardened JSON handling to prevent issues with special characters and encoded values, reducing data-parsing errors. - General code quality fixes (formatting, typo reductions, and stability improvements) that minimized noise in code reviews. Overall impact and accomplishments: - More reliable and faster testing cycles with stable environments and clearer error signals. - Reduced debugging time and increased confidence in test results and data handling. - Improved maintainability and readability of the codebase, aligning with longer-term development velocity and risk reduction. Technologies/skills demonstrated: - Environment variable management and test infrastructure - JSON handling, URI encoding, and string escaping for robust data interchange - C++/clang-format based code quality and maintainability improvements - Enhanced logging, error reporting, and debugging workflows
January 2026
18 Commits • 4 Features
Jan 1, 2026January 2026 Monthly Summary for Mu2e/otsdaq-mu2e: What was delivered this month focused on improving reliability, developer experience, and data handling, with clear business value through fewer test flakies, faster debugging, and more maintainable code. Key features and improvements: - Test infrastructure and environment variable configuration improvements: Added environment variable definitions for DTC tests and centralized environment variable handling within the otsdaq repo to improve testing reliability and maintainability. - ROC operation user experience improvements: Enhanced feedback for ROC operations and improved error visibility in tests to speed debugging and reduce operator frustration. - Robust JSON handling and escaping improvements: Implemented safer JSON value handling with URI encoding and strengthened string escaping to prevent issues with special characters in data exchange. - Code quality, formatting, and maintainability improvements: Refactored for readability, clang-format adherence, improved logging clarity, and backend structure enhancements to reduce technical debt. Major bugs fixed: - Fixed test flakiness linked to missing environment variables by ensuring reliable env var provisioning for DTC tests. - Improved error visibility for ROC-related failures, including errors shown in buffer tests, reducing debugging time. - Hardened JSON handling to prevent issues with special characters and encoded values, reducing data-parsing errors. - General code quality fixes (formatting, typo reductions, and stability improvements) that minimized noise in code reviews. Overall impact and accomplishments: - More reliable and faster testing cycles with stable environments and clearer error signals. - Reduced debugging time and increased confidence in test results and data handling. - Improved maintainability and readability of the codebase, aligning with longer-term development velocity and risk reduction. Technologies/skills demonstrated: - Environment variable management and test infrastructure - JSON handling, URI encoding, and string escaping for robust data interchange - C++/clang-format based code quality and maintainability improvements - Enhanced logging, error reporting, and debugging workflows
December 2025
5 Commits • 2 Features
Dec 1, 2025December 2025 monthly summary focusing on key accomplishments and business value for Mu2e/otsdaq-mu2e. This period centered on delivering a user-friendly, scalable ROC targeting workflow and improving code quality to enhance maintainability and reduce onboarding time. Major outcomes include a unified ROC targeting feature that links/ masks ROC selection across frontend macros and the DTC interface, enabling multi-ROC targeting and tighter alignment with the Tracker UI. This involved updating input handling and accompanying documentation to reflect the new workflow, reducing configuration errors and enabling faster test cycles across teams. In parallel, targeted code quality improvements boosted readability and consistency in the codebase, with clang-format compliance ensuring uniform style and easier future maintenance. Overall, these efforts increase system configurability, reduce operational risk in ROC targeting, and improve developer velocity and onboarding for new contributors.
5 Commits • 2 Features
Dec 1, 2025December 2025 monthly summary focusing on key accomplishments and business value for Mu2e/otsdaq-mu2e. This period centered on delivering a user-friendly, scalable ROC targeting workflow and improving code quality to enhance maintainability and reduce onboarding time. Major outcomes include a unified ROC targeting feature that links/ masks ROC selection across frontend macros and the DTC interface, enabling multi-ROC targeting and tighter alignment with the Tracker UI. This involved updating input handling and accompanying documentation to reflect the new workflow, reducing configuration errors and enabling faster test cycles across teams. In parallel, targeted code quality improvements boosted readability and consistency in the codebase, with clang-format compliance ensuring uniform style and easier future maintenance. Overall, these efforts increase system configurability, reduce operational risk in ROC targeting, and improve developer velocity and onboarding for new contributors.
December 2025
November 2025
5 Commits • 1 Features
Nov 1, 2025Month: 2025-11 — Focused on delivering business-value features and robustness improvements for Mu2e/otsdaq-mu2e. Key outcomes include front-end interface improvements, code quality cleanups, and enhanced firmware version retrieval robustness. The work reduces user confusion, prevents runtime errors, and improves maintainability for the team.
November 2025
5 Commits • 1 Features
Nov 1, 2025Month: 2025-11 — Focused on delivering business-value features and robustness improvements for Mu2e/otsdaq-mu2e. Key outcomes include front-end interface improvements, code quality cleanups, and enhanced firmware version retrieval robustness. The work reduces user confusion, prevents runtime errors, and improves maintainability for the team.
October 2025
5 Commits • 2 Features
Oct 1, 2025Month 2025-10 Mu2e/otsdaq-mu2e: Key features delivered include the Permanent Offset parameter for CFO Interface setup to configure a fixed offset in CFO sample timing for Real-Time Framework configurations; and code quality/UX improvements for JTAG USB recovery and DTCFrontEndInterfaceImpl, focusing on readability, guidance, and maintainability. No explicit bug fixes recorded this month; emphasis was on reliability, diagnostics, and developer experience to support future RT Framework tuning.
5 Commits • 2 Features
Oct 1, 2025Month 2025-10 Mu2e/otsdaq-mu2e: Key features delivered include the Permanent Offset parameter for CFO Interface setup to configure a fixed offset in CFO sample timing for Real-Time Framework configurations; and code quality/UX improvements for JTAG USB recovery and DTCFrontEndInterfaceImpl, focusing on readability, guidance, and maintainability. No explicit bug fixes recorded this month; emphasis was on reliability, diagnostics, and developer experience to support future RT Framework tuning.
October 2025
August 2025
4 Commits • 1 Features
Aug 1, 2025Summary for 2025-08 (Mu2e/otsdaq-mu2e): Delivered robust, production-ready enhancements to support timing studies and system stability. Key features include ROC Timing Paddles Interface enhancements with improved error handling and status reporting in CFO and DTC front-ends, plus Plotly-based checkpoint visualization to support real-time progress tracking. Major bugs fixed include a PCIe reset script bug fix that now terminates boardreader processes to prevent resource conflicts and ensure a clean state after resets. Code quality improvements were made through a comprehensive clang-format cleanup across multiple C++ files, enhancing readability and maintainability. Overall, these efforts result in higher reliability for timing studies, reduced downtime during resets, and a clearer maintenance path for the codebase. Technologies demonstrated include front-end robustness, data visualization with Plotly, process management during hardware resets, and C++ code quality practices.
August 2025
4 Commits • 1 Features
Aug 1, 2025Summary for 2025-08 (Mu2e/otsdaq-mu2e): Delivered robust, production-ready enhancements to support timing studies and system stability. Key features include ROC Timing Paddles Interface enhancements with improved error handling and status reporting in CFO and DTC front-ends, plus Plotly-based checkpoint visualization to support real-time progress tracking. Major bugs fixed include a PCIe reset script bug fix that now terminates boardreader processes to prevent resource conflicts and ensure a clean state after resets. Code quality improvements were made through a comprehensive clang-format cleanup across multiple C++ files, enhancing readability and maintainability. Overall, these efforts result in higher reliability for timing studies, reduced downtime during resets, and a clearer maintenance path for the codebase. Technologies demonstrated include front-end robustness, data visualization with Plotly, process management during hardware resets, and C++ code quality practices.
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025 (Mu2e/otsdaq-mu2e): Codebase hygiene cleanup completed with no functional changes. The effort focused on readability and maintainability, applying consistent formatting and cleanup across the repository. No user-facing features were delivered this month. Major bugs fixed: none. Impact: reduced technical debt, clearer codebase, and faster onboarding for new contributors; positions the project for safer future feature work. Technologies/skills demonstrated: code formatting and static analysis readiness (clang-style conventions), refactoring for readability, and adherence to coding standards.
1 Commits • 1 Features
Jul 1, 2025July 2025 (Mu2e/otsdaq-mu2e): Codebase hygiene cleanup completed with no functional changes. The effort focused on readability and maintainability, applying consistent formatting and cleanup across the repository. No user-facing features were delivered this month. Major bugs fixed: none. Impact: reduced technical debt, clearer codebase, and faster onboarding for new contributors; positions the project for safer future feature work. Technologies/skills demonstrated: code formatting and static analysis readiness (clang-style conventions), refactoring for readability, and adherence to coding standards.
July 2025
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for Mu2e/otsdaq-mu2e focused on feature refinement and configuration reliability enhancements. Delivered DTCFrontEndInterface configuration improvements with a refactor of register names and fields, added EventBuilderDeadTime to cluster information registration, and updated tests to reflect the new registration methods. These changes improve maintainability, clarity of configuration, and correctness of event-building metadata, enabling smoother operations and future enhancements.
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for Mu2e/otsdaq-mu2e focused on feature refinement and configuration reliability enhancements. Delivered DTCFrontEndInterface configuration improvements with a refactor of register names and fields, added EventBuilderDeadTime to cluster information registration, and updated tests to reflect the new registration methods. These changes improve maintainability, clarity of configuration, and correctness of event-building metadata, enabling smoother operations and future enhancements.
May 2025
29 Commits • 9 Features
May 1, 2025May 2025 focused on delivering foundational monitoring, SPI/ROC programming capabilities, and code quality improvements for Mu2e/otsdaq-mu2e. The work established visibility into hardware event building, progressed FPGA/bitfile workflows, and set the stage for reliable ROC-based configuration and data collection, while maintaining a clean, maintainable codebase.
29 Commits • 9 Features
May 1, 2025May 2025 focused on delivering foundational monitoring, SPI/ROC programming capabilities, and code quality improvements for Mu2e/otsdaq-mu2e. The work established visibility into hardware event building, progressed FPGA/bitfile workflows, and set the stage for reliable ROC-based configuration and data collection, while maintaining a clean, maintainable codebase.
May 2025
March 2025
13 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for Mu2e/otsdaq-mu2e focusing on DCS ROC testing enhancements and code quality improvements. Delivered an integrated DCS testing framework extension with ROC interaction enhancements, increased test coverage, and improved reliability. Reduced risk by stabilizing test scripts and configuration loading, and improved error visibility for faster troubleshooting. Codebase improvements include standardized formatting, clang-format hygiene, and merge- conflict resolutions to maintainability.
March 2025
13 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for Mu2e/otsdaq-mu2e focusing on DCS ROC testing enhancements and code quality improvements. Delivered an integrated DCS testing framework extension with ROC interaction enhancements, increased test coverage, and improved reliability. Reduced risk by stabilizing test scripts and configuration loading, and improved error visibility for faster troubleshooting. Codebase improvements include standardized formatting, clang-format hygiene, and merge- conflict resolutions to maintainability.
February 2025
14 Commits • 3 Features
Feb 1, 2025February 2025 monthly summary for Mu2e/otsdaq-mu2e highlights the delivery of core emulation/testing infrastructure for DTC/ROC interfaces, an enhanced orchestration layer, and substantial improvements to histogram handling and observability. The work establishes a more robust validation foundation, improves data flow control, and increases system reliability for hardware/software integration across the DTC/ROC pipeline.
14 Commits • 3 Features
Feb 1, 2025February 2025 monthly summary for Mu2e/otsdaq-mu2e highlights the delivery of core emulation/testing infrastructure for DTC/ROC interfaces, an enhanced orchestration layer, and substantial improvements to histogram handling and observability. The work establishes a more robust validation foundation, improves data flow control, and increases system reliability for hardware/software integration across the DTC/ROC pipeline.
February 2025
January 2025
4 Commits • 4 Features
Jan 1, 2025January 2025 monthly summary for Mu2e/otsdaq-mu2e focused on delivering core CFO front-end sequencing improvements, establishing hardware event-building capabilities, improving script observability, and standardizing monitoring outputs to support scalable operations and faster issue diagnosis.
January 2025
4 Commits • 4 Features
Jan 1, 2025January 2025 monthly summary for Mu2e/otsdaq-mu2e focused on delivering core CFO front-end sequencing improvements, establishing hardware event-building capabilities, improving script observability, and standardizing monitoring outputs to support scalable operations and faster issue diagnosis.
December 2024
5 Commits • 4 Features
Dec 1, 2024December 2024 -- Mu2e/otsdaq-mu2e: Delivered five focused improvements to data integrity, reliability, and maintainability. Implemented per-device UID-based naming for buffered data, hardened DBRunInfo lifecycle with timeout and destructor-based closure, automated hardware-setup script standardization for repeatable deployments, logging standardization across modules via COUT macros, and a soft reset at DTC start to ensure clean run information updates. These work items reduce debugging time, prevent data mix-ups, improve resource management, and streamline hardware provisioning, delivering clear business value and technical credibility.
5 Commits • 4 Features
Dec 1, 2024December 2024 -- Mu2e/otsdaq-mu2e: Delivered five focused improvements to data integrity, reliability, and maintainability. Implemented per-device UID-based naming for buffered data, hardened DBRunInfo lifecycle with timeout and destructor-based closure, automated hardware-setup script standardization for repeatable deployments, logging standardization across modules via COUT macros, and a soft reset at DTC start to ensure clean run information updates. These work items reduce debugging time, prevent data mix-ups, improve resource management, and streamline hardware provisioning, delivering clear business value and technical credibility.
December 2024
November 2024
5 Commits • 2 Features
Nov 1, 2024November 2024 milestone: Delivered automation and safeguards across hardware programming, data access, and configuration UX for the Mu2e otsdaq-mu2e stack. The work reduces manual intervention, mitigates security risks, and clarifies operator defaults, enabling faster provisioning and more reliable operation.
November 2024
5 Commits • 2 Features
Nov 1, 2024November 2024 milestone: Delivered automation and safeguards across hardware programming, data access, and configuration UX for the Mu2e otsdaq-mu2e stack. The work reduces manual intervention, mitigates security risks, and clarifies operator defaults, enabling faster provisioning and more reliable operation.
October 2024
1 Commits • 1 Features
Oct 1, 2024Monthly summary for 2024-10 focusing on Mu2e OTS work in the Mu2e/otsdaq-mu2e repository. Delivered an OTS enhancement feature and improved logging to boost operational usability and debuggability.
1 Commits • 1 Features
Oct 1, 2024Monthly summary for 2024-10 focusing on Mu2e OTS work in the Mu2e/otsdaq-mu2e repository. Delivered an OTS enhancement feature and improved logging to boost operational usability and debuggability.
October 2024
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Quality Metrics
Correctness89.0%
Maintainability88.6%
Architecture85.2%
Performance81.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++CMakeNoneShellTclYAMLbash
Technical Skills
C++C++ DevelopmentC++ developmentC++ programmingCI/CDCMakeCode CorrectionCode DocumentationCode FormattingCode RefactoringConfiguration ManagementData AcquisitionData Acquisition SystemsData AnalysisData Visualization
Repositories Contributed To
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