stopwatch.h

/*
 * Copyright (C) 2023 ML!PA Consulting GmbH
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#ifndef ZTIMER_STOPWATCH_H
#define ZTIMER_STOPWATCH_H
 
#include "ztimer.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct {
    ztimer_clock_t *clock;  
    uint32_t start_time;    
} ztimer_stopwatch_t;
 
static inline void ztimer_stopwatch_init(ztimer_clock_t *clock, ztimer_stopwatch_t *timer)
{
    timer->clock = clock;
}
 
static inline void ztimer_stopwatch_start(ztimer_stopwatch_t *timer)
{
    ztimer_acquire(timer->clock);
    timer->start_time = ztimer_now(timer->clock);
}
 
static inline uint32_t ztimer_stopwatch_measure(ztimer_stopwatch_t *timer)
{
    return ztimer_now(timer->clock) - timer->start_time;
}
 
static inline uint32_t ztimer_stopwatch_reset(ztimer_stopwatch_t *timer)
{
    uint32_t now = ztimer_now(timer->clock);
    uint32_t diff = now - timer->start_time;
 
    timer->start_time = now;
    return diff;
}
 
static inline void ztimer_stopwatch_stop(ztimer_stopwatch_t *timer)
{
    ztimer_release(timer->clock);
}
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZTIMER_STOPWATCH_H */