linear_range.h File Reference

Map values in a linear range to a range index. More...

#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include <zephyr/sys/util.h>

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Data Structures
struct	linear_range
	Linear range. More...

Macros
#define	LINEAR_RANGE_INIT(_min, _step, _min_idx, _max_idx)
	Initializer for Linear Range.

Functions
static uint32_t	linear_range_values_count (const struct linear_range *r)
	Obtain the number of values representable in a linear range.
static uint32_t	linear_range_group_values_count (const struct linear_range *r, size_t r_cnt)
	Obtain the number of values representable by a group of linear ranges.
static int32_t	linear_range_get_max_value (const struct linear_range *r)
	Obtain the maximum value representable by a linear range.
static int	linear_range_get_value (const struct linear_range *r, uint16_t idx, int32_t *val)
	Obtain value given a linear range index.
static int	linear_range_group_get_value (const struct linear_range *r, size_t r_cnt, uint16_t idx, int32_t *val)
	Obtain value in a group given a linear range index.
static int	linear_range_get_index (const struct linear_range *r, int32_t val, uint16_t *idx)
	Obtain index given a value.
static int	linear_range_group_get_index (const struct linear_range *r, size_t r_cnt, int32_t val, uint16_t *idx)
	Obtain index in a group given a value.
static int	linear_range_get_win_index (const struct linear_range *r, int32_t val_min, int32_t val_max, uint16_t *idx)
	Obtain index given a window of values.
static int	linear_range_group_get_win_index (const struct linear_range *r, size_t r_cnt, int32_t val_min, int32_t val_max, uint16_t *idx)
	Obtain index in a group given a value that must be within a window of values.

Detailed Description

Map values in a linear range to a range index.