philips-software/amp-hal-st
Mar 2025 – Apr 2025
2 Months active
Languages Used
C++C
Technical Skills
Bluetooth Low Energy (BLE)Embedded SystemsFirmware DevelopmentDevice DriversHAL/LL DriversRTOS
Yu Yi
PROFILE
Yu Yi
During a two-month period, D.C. Ayiyu contributed to the philips-software/amp-hal-st repository, focusing on Bluetooth Low Energy (BLE) stack reliability and embedded firmware enhancements. He implemented a driver for the STM32WB55 that coordinates flash memory access with the BLE stack using hardware semaphores, enabling safe flash writes and erases without disrupting BLE connectivity. Additionally, he improved post-connection sequencing by ensuring MTU exchange and data length configuration occur after connection establishment, addressing reliability issues across standard and enhanced events. His work, primarily in C and C++, demonstrated depth in embedded systems, device drivers, and real-time operating system integration.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
2Total
Bugs
1
Commits
2
Features
1
Lines of code
422
Activity Months2
Your Network
7 people
Work History
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary: Delivered the STM32WB55 flash access coordination feature (FlashInternalStmBle) enabling safe flash writes/erases while BLE remains connected. Implemented FlashInternalStmBle driver to coordinate flash memory access with the BLE stack via hardware semaphores, preventing conflicts, and updated the GAP peripheral to support dynamic connection parameter adjustments with improved watchdog integration for flash operations. This work enhances reliability, enables non-disruptive firmware updates and data retention, and lays the groundwork for power-efficient operation.
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary: Delivered the STM32WB55 flash access coordination feature (FlashInternalStmBle) enabling safe flash writes/erases while BLE remains connected. Implemented FlashInternalStmBle driver to coordinate flash memory access with the BLE stack via hardware semaphores, preventing conflicts, and updated the GAP peripheral to support dynamic connection parameter adjustments with improved watchdog integration for flash operations. This work enhances reliability, enables non-disruptive firmware updates and data retention, and lays the groundwork for power-efficient operation.
April 2025
March 2025
1 Commits
Mar 1, 2025March 2025 (philips-software/amp-hal-st): Focused on stabilizing BLE post-connection sequencing to improve reliability and throughput planning. Implemented and verified a fix ensuring MTU exchange and data length configuration are scheduled after a connection is established, regardless of whether standard or enhanced connection complete events occur. This eliminates a root cause of flaky post-connection setup and enhances downstream data transfer stability.
March 2025
1 Commits
Mar 1, 2025March 2025 (philips-software/amp-hal-st): Focused on stabilizing BLE post-connection sequencing to improve reliability and throughput planning. Implemented and verified a fix ensuring MTU exchange and data length configuration are scheduled after a connection is established, regardless of whether standard or enhanced connection complete events occur. This eliminates a root cause of flaky post-connection setup and enhances downstream data transfer stability.
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Quality Metrics
Correctness90.0%
Maintainability80.0%
Architecture85.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
CC++
Technical Skills
Bluetooth Low Energy (BLE)Device DriversEmbedded SystemsFirmware DevelopmentHAL/LL DriversRTOS
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