Ruijia Wang developed and stabilized key components in the zephyrproject-rtos/hal_nxp repository, focusing on embedded systems and driver development using C and cmake. Over two months, Ruijia delivered RTWDOG driver support for the RT1180, enabling configurable watchdog timer functionality and addressing a register synchronization issue to prevent race conditions. This work improved the reliability and maintainability of the watchdog peripheral. Additionally, Ruijia fixed an off-by-one bug in XSPI cache management, ensuring correct end address calculation and enhancing data integrity. The updates included clear documentation and commit practices, reflecting a methodical approach to embedded software reliability and maintainability.