convert_frac.h

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/*
 * SPDX-FileCopyrightText: 2018 Kaspar Schleiser <kaspar@schleiser.de>
 * SPDX-FileCopyrightText: 2018 Eistec AB
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#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