2026-03 monthly summary for nxp-upstream/zephyr. Focused on improving BLE stack configurability by integrating Kconfig-based options. Implemented a mechanism to set BLE stack options according to Zephyr Kconfig settings and wired it into the STM32WBA HCI driver, enabling flexible, customer-specific builds and easier feature toggling at startup. No major bug fixes this month; work centers on feature delivery, code quality, and maintainability. Technologies demonstrated include Zephyr RTOS Kconfig, BLE stack configuration, STM32WBA HCI driver, and embedded C.

January 2026 (2026-01) – Delivered Extended Advertising support for the STM32WB Bluetooth driver in the nrfconnect/sdk-zephyr repository. Implemented Kconfig-driven extended advertising options and wired the BLE stack configuration through ipm_stm32wb.c, enabling richer BLE feature sets and configurability. No major bugs reported for this period; integration achieved with a clean commit and adherence to Zephyr standards. This work enhances product versatility, supports broader customer use cases, and demonstrates strong C driver development, Zephyr/Kconfig expertise, and robust code hygiene.

July 2025, nrfconnect/sdk-zephyr. Key achievement: implemented a no-reset quirk in st,stm32wb-ble-rf devicetree bindings to preserve the Bluetooth BD Address by avoiding an unnecessary HCI RESET. Result: more reliable Bluetooth initialization with no data loss, reducing customer-impact and support tickets. Demonstrated skills: Devicetree bindings, HCI/Bluetooth startup flows, Zephyr integration.

June 2025 monthly summary: Stabilized flash erase behavior in the STM32WBA Flash Manager for nrfconnect/sdk-zephyr. Corrected the erase calculation to erase exactly one sector per operation, preventing unintended data loss and excessive flash wear. The fix was implemented in drivers/flash/stm32wba_fm.c (commit 62a1b8a306ba011f4bc8576dd93c9e2b4cbbd786). Impact: improved reliability of flash operations on STM32WBA targets, smoother platform bring-up, and reduced production risk. Demonstrated strong embedded development skills and disciplined version control across C-based STM32 driver code and Zephyr flash subsystem.