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Brian van der Beek

PROFILE

Brian Van Der Beek

Over four months, contributed to philips-software’s amp-hal-st and amp-embedded-infra-lib repositories by building and enhancing embedded firmware features in C and C++. Developed BLE GATT server descriptor support and extended BLE GAP advertisement formatting to improve device interoperability and discoverability. Implemented low-power timer support for the WB55 MCU, adapting initialization and interrupt handling for microcontroller-specific requirements. Addressed reliability by fixing HSI48 oscillator lifecycle management and stabilizing TLS session ticket handling, reducing failures in embedded TLS handshakes. Emphasized robust unit testing, conditional compilation, and hardware abstraction layer improvements, demonstrating expertise in Bluetooth Low Energy, STM32 microcontroller programming, and secure network protocols.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

7Total
Bugs
2
Commits
7
Features
5
Lines of code
388
Activity Months4

Work History

February 2026

1 Commits

Feb 1, 2026

February 2026: Stabilized TLS session handling in philips-software/amp-embedded-infra-lib to prevent TLS write failures when new session tickets arrive. Implemented robust session ticket handling in the Mbed TLS connection logic, ensuring the client session is obtained and validated when a new session ticket is received. This work improves reliability and security in TLS handshakes and session resumption across embedded deployments.

October 2025

3 Commits • 3 Features

Oct 1, 2025

February 2025? No, this is October 2025. Monthly summary for 2025-10 focusing on BLE GATT enhancements and reliability improvements across two repos. Delivered key BLE capabilities and increased configurability to support varied product needs.

September 2025

2 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary (repos: amp-hal-st, amp-embedded-infra-lib). Delivered two cross-repo features with clear business value and robust unit tests. Key features: LpTimerStm support for WB55 MCU (amp-hal-st) and BLE GAP advertisement appearance support (amp-embedded-infra-lib). No separate major bugs fixed were reported in the provided data. Overall impact: enabled WB55 deployments with a low-power timing path and enhanced device discoverability through richer BLE advertising data; both changes delivered with targeted tests and clean integration paths. Technologies/skills demonstrated: MCU-specific initialization and conditional compilation strategies, interrupt handling adaptations, BLE advertising data modeling, extension of formatters and parsers, and unit test coverage. Commits: a5742830e66049c0f982327c8bde2b99021b7fee; a17fb5539ca04aca2fc5dbafe560b634090aeb11. Repositories: philips-software/amp-hal-st; philips-software/amp-embedded-infra-lib.

August 2025

1 Commits

Aug 1, 2025

August 2025: Delivered a targeted reliability fix for the HSI48 oscillator within philips-software/amp-hal-st, introducing HSI48Enabler to manage oscillator lifecycle and prevent unintended deactivation by the RNG. The change enhances RNG stability, reduces spurious oscillator events, and strengthens the hardware abstraction layer for embedded systems.

Activity

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Quality Metrics

Correctness92.8%
Maintainability85.6%
Architecture85.6%
Performance78.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

CC++

Technical Skills

Bluetooth Low EnergyBluetooth Low Energy (BLE)C++ DevelopmentEmbedded SystemsFirmware DevelopmentGATT Server ImplementationHAL DevelopmentHardware Abstraction LayerLow Power TimerMicrocontroller ProgrammingSTM32TLS/SSLembedded systemsnetwork programming

Repositories Contributed To

2 repos

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

philips-software/amp-hal-st

Aug 2025 Oct 2025
3 Months active

Languages Used

C++C

Technical Skills

Embedded SystemsHardware Abstraction LayerSTM32HAL DevelopmentLow Power TimerMicrocontroller Programming

philips-software/amp-embedded-infra-lib

Sep 2025 Feb 2026
3 Months active

Languages Used

C++

Technical Skills

Bluetooth Low Energy (BLE)C++ DevelopmentEmbedded SystemsFirmware DevelopmentGATT Server ImplementationTLS/SSL