SPINLOCK.H

//this is Coto's spinlock , requires spinlock_sched() to be glued to some kind of irq trigger so it runs regardless the main program core.

#ifndef SPINLOCK_COTO
#define SPINLOCK_COTO

#define spinlock_elements (10)
#define spinlock_linearelements (spinlock_elements-1)

#define NULL_VAR 0

//spinlock example

typedef volatile struct{
    u8 spinlock_id;
    u8 status;  //0 unlocked | 1 locked
    u32 func_ptr;
} spinlock_table;

typedef u32 (*u32cback_ptr)();

#endif

#ifdef __cplusplus
extern "C" {
#endif

extern u32 __attribute__ ((hot)) spinlock_sched();
extern u32 spinlock_perm(u8 process_id,u8 status);
extern u32 spinlock_createproc(u8 process_id,u8 status,u32cback_ptr new_callback);
extern u32 spinlock_modifyproc(u8 process_id,u8 status,u32cback_ptr new_callback);
extern u32 spinlock_deleteproc(u8 process_id);

extern volatile spinlock_table spinlock_handler[spinlock_elements];

#ifdef __cplusplus
}
#endif