// Copyright (c) 2023 - 2025 kio@little-bat.de
// BSD-2-Clause license
// https://opensource.org/licenses/BSD-2-Clause

#pragma once
#include "basic_math.h"
#include "standard_types.h"

/* get 32 bit microsecond timestamp. overflows every ~71 minutes
*/
extern uint32 time_us_32();
extern uint64 time_us_64();

/* get char from stdin  
*/
extern int getchar_timeout_us(uint32 timeout_us);

extern uint64 make_timeout_time_us(uint32 timeout_us);
extern bool	  best_effort_wfe_or_timeout(uint64);


// #######################################################################

namespace kilipili
{

inline CC	now() noexcept { return CC(time_us_32()); }
inline void sleep_us(int usec) noexcept { (void)usec; }
inline void wfe() noexcept {}
inline void __wfe() noexcept {}
inline void __sev() noexcept {}
inline void __dmb() noexcept {}

// these are defined in the unit test:
extern void flash_range_erase(uint32 flash_offs, uint32 count);
extern void flash_range_program(uint32 flash_offs, const uint8* data, uint32 count);

} // namespace kilipili


#define kilipili_lock_spinlock()   (void)0
#define kilipili_unlock_spinlock() (void)0

#define save_and_disable_interrupts() 0
#define restore_interrupts(o)		  (void)(o)
#define get_core_num()				  0

/*























*/