w1_sensor.h

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/*
 * Copyright (c) 2022, Thomas Stranger
 *
 * SPDX-License-Identifier: Apache-2.0
 */

 
#ifndef ZEPHYR_INCLUDE_DRIVERS_SENSOR_W1_SENSOR_H_
#define ZEPHYR_INCLUDE_DRIVERS_SENSOR_W1_SENSOR_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <zephyr/drivers/sensor.h>
#include <zephyr/drivers/w1.h>


enum sensor_attribute_w1 {
        SENSOR_ATTR_W1_ROM = SENSOR_ATTR_PRIV_START,
};

static inline void w1_rom_to_sensor_value(const struct w1_rom *rom,
                                          struct sensor_value *val)
{
        val->val1 = sys_get_be64((uint8_t *)rom) & BIT64_MASK(32);
        val->val2 = sys_get_be64((uint8_t *)rom) >> 32;
}

static inline void w1_sensor_value_to_rom(const struct sensor_value *val,
                                          struct w1_rom *rom)
{
        uint64_t temp64 = ((uint64_t)((uint32_t)val->val2) << 32)
                          | (uint32_t)val->val1;
        sys_put_be64(temp64, (uint8_t *)rom);
}

 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_SENSOR_W1_SENSOR_H_ */