
Developed a memory-efficient Wi-Fi scanning feature for the zephyrproject-rtos/zephyr repository, focusing on robust operation in high-density environments. The work involved refactoring the scan logic in C to retrieve Access Point records iteratively, replacing large pre-allocated buffers with stack-allocated structures. This approach reduced peak heap usage and improved reliability under memory constraints. The implementation processed AP records in a loop using esp_wifi_scan_get_ap_record and ensured proper hardware resource cleanup with esp_wifi_clear_ap_list. Warning logs were added to enhance observability and aid troubleshooting of scan failures. The project demonstrated expertise in C programming, Wi-Fi driver development, and embedded systems.
January 2026 monthly summary: Implemented a robust, memory-efficient Wi-Fi scanning feature for the Zephyr RTOS (zephyrproject-rtos/zephyr). Refactored the scan logic to retrieve Access Point records iteratively, reducing peak heap usage and improving reliability in high-density environments. The solution uses stack-allocated wifi_ap_record_t, processes entries with a loop calling esp_wifi_scan_get_ap_record, and frees hardware resources via esp_wifi_clear_ap_list after completion. Added warning logging for unexpected scan failures to aid observability and troubleshooting.
January 2026 monthly summary: Implemented a robust, memory-efficient Wi-Fi scanning feature for the Zephyr RTOS (zephyrproject-rtos/zephyr). Refactored the scan logic to retrieve Access Point records iteratively, reducing peak heap usage and improving reliability in high-density environments. The solution uses stack-allocated wifi_ap_record_t, processes entries with a loop calling esp_wifi_scan_get_ap_record, and frees hardware resources via esp_wifi_clear_ap_list after completion. Added warning logging for unexpected scan failures to aid observability and troubleshooting.

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