void rt_hw_interrupt_enable(rt_base_t level)
void rt_hw_interrupt_mask(int vector)
rt_base_t rt_hw_interrupt_disable(void)
void rt_hw_interrupt_init(void)
void rt_hw_interrupt_install(int vector, rt_isr_handler_t new_handler, rt_isr_handler_t *old_handler)
void rt_hw_interrupt_umask(int vector)
void(* rt_isr_handler_t)(int vector, void *param)