ti_hdc302x.h

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/*
 * Copyright (c) 2025 Psicontrol N.V.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

 
#ifndef ZEPHYR_INCLUDE_DRIVERS_SENSOR_HDC302X_H_
#define ZEPHYR_INCLUDE_DRIVERS_SENSOR_HDC302X_H_
 
#include <zephyr/drivers/sensor.h>
#include <zephyr/drivers/i2c.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define TI_HDC302X_STATUS_REG_BIT_ALERT         0x8000
#define TI_HDC302X_STATUS_REG_BIT_HEATER_ON     0x2000
#define TI_HDC302X_STATUS_REG_BIT_RH_ALERT      0x0800
#define TI_HDC302X_STATUS_REG_BIT_TEMP_ALERT    0x0400
#define TI_HDC302X_STATUS_REG_BIT_RH_HIGH_ALERT 0x0200
#define TI_HDC302X_STATUS_REG_BIT_RH_LOW_ALERT  0x0100
 
#define TI_HDC302X_STATUS_REG_BIT_TEMP_HIGH_ALERT 0x0080
#define TI_HDC302X_STATUS_REG_BIT_TEMP_LOW_ALERT  0x0040
#define TI_HDC302X_STATUS_REG_BIT_RESET_DETECTED  0x0010
#define TI_HDC302X_STATUS_REG_BIT_CRC_FAILED      0x0001
 
enum sensor_attribute_hdc302x {
        /* Sensor low power Mode
         * Rather than set this value directly, can only be set to operate in one of four modes:
         *
         * HDC302X_SENSOR_POWER_MODE_0
         * HDC302X_SENSOR_POWER_MODE_1
         * HDC302X_SENSOR_POWER_MODE_2
         * HDC302X_SENSOR_POWER_MODE_3
         *
         * See datasheet for more info on different modes.
         */
        SENSOR_ATTR_POWER_MODE = SENSOR_ATTR_PRIV_START + 1,
 
        /* Sensor Automatic Measurement Mode
         * Can only be set to one of the following values:
         *
         * HDC302X_SENSOR_MEAS_INTERVAL_MANUAL,
         * HDC302X_SENSOR_MEAS_INTERVAL_0_5,
         * HDC302X_SENSOR_MEAS_INTERVAL_1,
         * HDC302X_SENSOR_MEAS_INTERVAL_2,
         * HDC302X_SENSOR_MEAS_INTERVAL_4,
         * HDC302X_SENSOR_MEAS_INTERVAL_10,
         */
        SENSOR_ATTR_INTEGRATION_TIME,
        /* Sensor status register */
        SENSOR_ATTR_STATUS_REGISTER,
        /* Sensor heater level */
        SENSOR_ATTR_HEATER_LEVEL, /* Heater level (0-14) */
};
 
enum sensor_power_mode_hdc302x {
        HDC302X_SENSOR_POWER_MODE_0, /* (lowest noise) */
        HDC302X_SENSOR_POWER_MODE_1,
        HDC302X_SENSOR_POWER_MODE_2,
        HDC302X_SENSOR_POWER_MODE_3, /* (lowest power) */
 
        HDC302X_SENSOR_POWER_MODE_MAX
};
 
enum sensor_measurement_interval_hdc302x {
        HDC302X_SENSOR_MEAS_INTERVAL_MANUAL, /*  Manual Mode                 */
        HDC302X_SENSOR_MEAS_INTERVAL_0_5,    /*  1 Measurement per 2 Seconds */
        HDC302X_SENSOR_MEAS_INTERVAL_1,      /*  1 Measurement per Second    */
        HDC302X_SENSOR_MEAS_INTERVAL_2,      /*  2 Measurements per Second   */
        HDC302X_SENSOR_MEAS_INTERVAL_4,      /*  4 Measurements per Second   */
        HDC302X_SENSOR_MEAS_INTERVAL_10,     /* 10 Measurements per Second   */
 
        HDC302X_SENSOR_MEAS_INTERVAL_MAX
};
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_SENSOR_HDC302X_H_ */