bm_timer.h

/*
 * Copyright (c) 2025 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef BM_TIMER_H__
#define BM_TIMER_H__
 
#include <stdint.h>
#include <zephyr/kernel.h>
#include <zephyr/sys/time_units.h>
#include <zephyr/sys/util.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define BM_TIMER_MIN_TIMEOUT_US (uint32_t)((5 * 1000000) / 32768)
 
#define BM_TIMER_MIN_TIMEOUT_TICKS k_us_to_ticks_ceil32(BM_TIMER_MIN_TIMEOUT_US)
 
#define BM_TIMER_MS_TO_TICKS(ms) k_ms_to_ticks_floor32(ms)
 
#define BM_TIMER_US_TO_TICKS(us) k_us_to_ticks_floor32(us)
 
enum bm_timer_mode {
        BM_TIMER_MODE_SINGLE_SHOT,
        BM_TIMER_MODE_REPEATED,
};
 
typedef void (*bm_timer_timeout_handler_t)(void *context);
 
struct bm_timer {
        struct k_timer timer;
        enum bm_timer_mode mode;
        bm_timer_timeout_handler_t handler;
};
 
int bm_timer_init(struct bm_timer *timer, enum bm_timer_mode mode,
                    bm_timer_timeout_handler_t timeout_handler);
 
int bm_timer_start(struct bm_timer *timer, uint32_t timeout_ticks, void *context);
 
int bm_timer_stop(struct bm_timer *timer);
 
#ifdef __cplusplus
}
#endif
 
#endif /* BM_TIMER_H__ */