trezor/trezor-firmware
Sep 2025 – Feb 2026
5 Months active
Languages Used
CRustC++CMakeMakefilePython
Technical Skills
API RefactoringC ProgrammingDriver DevelopmentEmbedded SystemsFirmware DevelopmentRust
bleska
PROFILE
Bleska
Jiri Blecha contributed to the trezor/trezor-firmware repository, focusing on embedded systems and firmware development over five months. He restructured touch and display drivers, refactored APIs for type safety, and integrated Rust with C for cross-language maintainability. Jiri overhauled the backlight subsystem using DMA and gamma correction, improving reliability and power efficiency. He modernized build systems with CMake and Python scripting, addressed deprecated tooling, and enhanced debugging capabilities. His work included dynamic display refresh rate scaling and security telemetry improvements, demonstrating depth in low-level programming, hardware interfacing, and driver development. These efforts reduced maintenance risk and improved device stability.
Overall Statistics
Feature vs Bugs
73%Features
Repository Contributions
27Total
Bugs
3
Commits
27
Features
8
Lines of code
3,842
Activity Months5
Your Network
52 peopleWork History
February 2026
2 Commits • 1 Features
Feb 1, 2026February 2026: Strengthened firmware reliability and security telemetry in trezor-firmware. Focused on targeted improvements for DISC2, delivering more accurate display panel configuration and enhanced security monitoring to support better device UX and tamper detection.
2 Commits • 1 Features
Feb 1, 2026February 2026: Strengthened firmware reliability and security telemetry in trezor-firmware. Focused on targeted improvements for DISC2, delivering more accurate display panel configuration and enhanced security monitoring to support better device UX and tamper detection.
February 2026
January 2026
7 Commits • 3 Features
Jan 1, 2026January 2026 monthly summary focusing on key accomplishments and business impact for trezor-firmware. Highlights include delivering a power-efficient display feature, stabilizing backlight PWM, and modernizing the codebase for maintainability and kernel-mode readiness.
January 2026
7 Commits • 3 Features
Jan 1, 2026January 2026 monthly summary focusing on key accomplishments and business impact for trezor-firmware. Highlights include delivering a power-efficient display feature, stabilizing backlight PWM, and modernizing the codebase for maintainability and kernel-mode readiness.
November 2025
2 Commits
Nov 1, 20252025-11 Monthly summary for trezor-firmware. Focused on build system compatibility and code quality improvements to align with updated Nordic tooling, reducing build failures and long-term maintenance risk. No user-facing features shipped this month; primary work targeted at tooling modernization and repository hygiene to boost reliability and developer velocity.
2 Commits
Nov 1, 20252025-11 Monthly summary for trezor-firmware. Focused on build system compatibility and code quality improvements to align with updated Nordic tooling, reducing build failures and long-term maintenance risk. No user-facing features shipped this month; primary work targeted at tooling modernization and repository hygiene to boost reliability and developer velocity.
November 2025
October 2025
11 Commits • 2 Features
Oct 1, 2025October 2025 — trezor-firmware monthly summary highlighting key features, fixes, impact, and skills demonstrated. Focus: backlight subsystem upgrade and reliability enhancements with improved debugging and field-recovery capability.
October 2025
11 Commits • 2 Features
Oct 1, 2025October 2025 — trezor-firmware monthly summary highlighting key features, fixes, impact, and skills demonstrated. Focus: backlight subsystem upgrade and reliability enhancements with improved debugging and field-recovery capability.
September 2025
5 Commits • 2 Features
Sep 1, 2025September 2025 Monthly Summary (trezor/trezor-firmware)
5 Commits • 2 Features
Sep 1, 2025September 2025 Monthly Summary (trezor/trezor-firmware)
September 2025
Activity
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Quality Metrics
Correctness91.0%
Maintainability87.0%
Architecture85.6%
Performance82.2%
AI Usage21.4%
Skills & Technologies
Programming Languages
CC++CMakeMakefilePythonRust
Technical Skills
API RefactoringC ProgrammingC programmingC++ programmingCMakeDMADebuggingDevice DriversDisplay ConfigurationDisplay DriversDisplay TechnologyDriver DevelopmentEmbedded SystemsFirmware DevelopmentHAL
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