From 83deae717de8b940b0cb04d1d1989b0a4c250e35 Mon Sep 17 00:00:00 2001 From: Josh Rahm Date: Fri, 4 Dec 2020 20:34:20 -0700 Subject: Add systick/... --- include/kern/systick/systick_manager.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 include/kern/systick/systick_manager.h (limited to 'include/kern/systick/systick_manager.h') diff --git a/include/kern/systick/systick_manager.h b/include/kern/systick/systick_manager.h new file mode 100644 index 0000000..e46fffb --- /dev/null +++ b/include/kern/systick/systick_manager.h @@ -0,0 +1,25 @@ +#ifndef KERN_SYSTICK_SYSTICK_MANAGER_H_ +#define KERN_SYSTICK_SYSTICK_MANAGER_H_ + +#include "kern/common.h" + +/* + * Enable the systick timer. + * + * The systick counter counts down from the counter. When the counter + * hits 0, an interrupt is and the callbacks are fired. + */ +void enable_systick(uint32_t systick_counter); + +/* + * Disables the systick timer. + */ +void disable_systick(); + +/* + * Add a callback to the systick system. These callbacks will + * be callled when the interrupt is raised. + */ +void systick_add_callback(void(*callback)(void*), void* arg); + +#endif /* KERN_SYSTICK_SYSTICK_MANAGER_H_ */ -- cgit