================= Architecture APIs ================= The file ``include/nuttx/arch.h`` identifies by prototype all of the APIs that must be provided by the architecture specific logic. The internal OS APIs that architecture-specific logic must interface with also also identified in ``include/nuttx/arch.h`` or in other header files. .. toctree:: conventions.rst arch.rst board.rst time_clock.rst wqueue.rst addrenv.rst nuttx.rst app_vs_os.rst smp.rst shm.rst paging.rst led.rst iob.rst