convert_frac.h

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/*
 * Copyright (C) 2018 Kaspar Schleiser <kaspar@schleiser.de>
 * Copyright (C) 2018 Eistec AB
 *
 * 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.
 */
 
#pragma once
 
#include <stdint.h>
#include "ztimer.h"
#include "ztimer/convert.h"
#include "ztimer/convert_frac.h"
#include "frac.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct {
    ztimer_convert_t super;
    frac_t scale_now;
    frac_t scale_set;
    uint32_t round;
} ztimer_convert_frac_t;
 
void ztimer_convert_frac_init(ztimer_convert_frac_t *self,
                              ztimer_clock_t *lower,
                              uint32_t freq_self, uint32_t freq_lower);
 
void ztimer_convert_frac_change_rate(ztimer_convert_frac_t *self,
                                     uint32_t freq_self, uint32_t freq_lower);
 
#ifdef __cplusplus
}
#endif