systick_porting.h

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#ifndef SYSTICK_PORTING_H
#define SYSTICK_PORTING_H
 
#include <stdint.h>
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
 
#define RTC_TIME_OUT_H     0x40005018
#define RTC_TIME_OUT_L     0x4000501C
#define MS_PER_S                    1000
#define US_PER_MS                   1000
 
uintptr_t systick_porting_base_addr_get(void);
 
void systick_port_cali_xclk(void);
 
uint32_t systick_clock_get(void);
 
void systick_clock_set(uint32_t clock);
 
static inline uint64_t convert_s_2_count(uint64_t sec)
{
    return sec * systick_clock_get();
}
 
static inline uint64_t convert_count_2_s(uint64_t count)
{
    return count / systick_clock_get();
}
 
static inline uint64_t convert_ms_2_count(uint64_t msec)
{
    return msec * systick_clock_get() / MS_PER_S;
}
 
static inline uint64_t convert_count_2_ms(uint64_t count)
{
    return count * MS_PER_S / systick_clock_get();
}
 
static inline uint64_t convert_us_2_count(uint64_t usec)
{
    return usec * systick_clock_get() / (MS_PER_S * US_PER_MS);
}
 
static inline uint64_t convert_count_2_us(uint64_t count)
{
    return count * MS_PER_S * US_PER_MS / systick_clock_get();
}
 
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
 
#endif