Air quality sensor
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/**
* Copyright (c) 2021 Bosch Sensortec GmbH. All rights reserved.
*
* BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @file bme68x.h
* @date 2021-11-09
* @version v4.4.7
*
*/
/*!
* @defgroup bme68x BME68X
* @brief <a href="https://www.bosch-sensortec.com/bst/products/all_products/bme680">Product Overview</a>
* and <a href="https://github.com/BoschSensortec/BME68x-Sensor-API">Sensor API Source Code</a>
*/
#ifndef BME68X_H_
#define BME68X_H_
#include "bme68x_defs.h"
/* CPP guard */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \ingroup bme68x
* \defgroup bme68xApiInit Initialization
* @brief Initialize the sensor and device structure
*/
/*!
* \ingroup bme68xApiInit
* \page bme68x_api_bme68x_init bme68x_init
* \code
* int8_t bme68x_init(struct bme68x_dev *dev);
* \endcode
* @details This API reads the chip-id of the sensor which is the first step to
* verify the sensor and also calibrates the sensor
* As this API is the entry point, call this API before using other APIs.
*
* @param[in,out] dev : Structure instance of bme68x_dev
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_init(struct bme68x_dev *dev);
/**
* \ingroup bme68x
* \defgroup bme68xApiRegister Registers
* @brief Generic API for accessing sensor registers
*/
/*!
* \ingroup bme68xApiRegister
* \page bme68x_api_bme68x_set_regs bme68x_set_regs
* \code
* int8_t bme68x_set_regs(const uint8_t reg_addr, const uint8_t *reg_data, uint32_t len, struct bme68x_dev *dev)
* \endcode
* @details This API writes the given data to the register address of the sensor
*
* @param[in] reg_addr : Register addresses to where the data is to be written
* @param[in] reg_data : Pointer to data buffer which is to be written
* in the reg_addr of sensor.
* @param[in] len : No of bytes of data to write
* @param[in,out] dev : Structure instance of bme68x_dev
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_set_regs(const uint8_t *reg_addr, const uint8_t *reg_data, uint32_t len, struct bme68x_dev *dev);
/*!
* \ingroup bme68xApiRegister
* \page bme68x_api_bme68x_get_regs bme68x_get_regs
* \code
* int8_t bme68x_get_regs(uint8_t reg_addr, uint8_t *reg_data, uint32_t len, struct bme68x_dev *dev)
* \endcode
* @details This API reads the data from the given register address of sensor.
*
* @param[in] reg_addr : Register address from where the data to be read
* @param[out] reg_data : Pointer to data buffer to store the read data.
* @param[in] len : No of bytes of data to be read.
* @param[in,out] dev : Structure instance of bme68x_dev.
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_get_regs(uint8_t reg_addr, uint8_t *reg_data, uint32_t len, struct bme68x_dev *dev);
/**
* \ingroup bme68x
* \defgroup bme68xApiSystem System
* @brief API that performs system-level operations
*/
/*!
* \ingroup bme68xApiSystem
* \page bme68x_api_bme68x_soft_reset bme68x_soft_reset
* \code
* int8_t bme68x_soft_reset(struct bme68x_dev *dev);
* \endcode
* @details This API soft-resets the sensor.
*
* @param[in,out] dev : Structure instance of bme68x_dev.
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_soft_reset(struct bme68x_dev *dev);
/**
* \ingroup bme68x
* \defgroup bme68xApiOm Operation mode
* @brief API to configure operation mode
*/
/*!
* \ingroup bme68xApiOm
* \page bme68x_api_bme68x_set_op_mode bme68x_set_op_mode
* \code
* int8_t bme68x_set_op_mode(const uint8_t op_mode, struct bme68x_dev *dev);
* \endcode
* @details This API is used to set the operation mode of the sensor
* @param[in] op_mode : Desired operation mode.
* @param[in] dev : Structure instance of bme68x_dev
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_set_op_mode(const uint8_t op_mode, struct bme68x_dev *dev);
/*!
* \ingroup bme68xApiOm
* \page bme68x_api_bme68x_get_op_mode bme68x_get_op_mode
* \code
* int8_t bme68x_get_op_mode(uint8_t *op_mode, struct bme68x_dev *dev);
* \endcode
* @details This API is used to get the operation mode of the sensor.
*
* @param[out] op_mode : Desired operation mode.
* @param[in,out] dev : Structure instance of bme68x_dev
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_get_op_mode(uint8_t *op_mode, struct bme68x_dev *dev);
/*!
* \ingroup bme68xApiConfig
* \page bme68x_api_bme68x_get_meas_dur bme68x_get_meas_dur
* \code
* uint32_t bme68x_get_meas_dur(const uint8_t op_mode, struct bme68x_conf *conf, struct bme68x_dev *dev);
* \endcode
* @details This API is used to get the remaining duration that can be used for heating.
*
* @param[in] op_mode : Desired operation mode.
* @param[in] conf : Desired sensor configuration.
* @param[in] dev : Structure instance of bme68x_dev
*
* @return Measurement duration calculated in microseconds
*/
uint32_t bme68x_get_meas_dur(const uint8_t op_mode, struct bme68x_conf *conf, struct bme68x_dev *dev);
/**
* \ingroup bme68x
* \defgroup bme68xApiData Data Read out
* @brief Read our data from the sensor
*/
/*!
* \ingroup bme68xApiData
* \page bme68x_api_bme68x_get_data bme68x_get_data
* \code
* int8_t bme68x_get_data(uint8_t op_mode, struct bme68x_data *data, uint8_t *n_data, struct bme68x_dev *dev);
* \endcode
* @details This API reads the pressure, temperature and humidity and gas data
* from the sensor, compensates the data and store it in the bme68x_data
* structure instance passed by the user.
*
* @param[in] op_mode : Expected operation mode.
* @param[out] data : Structure instance to hold the data.
* @param[out] n_data : Number of data instances available.
* @param[in,out] dev : Structure instance of bme68x_dev
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_get_data(uint8_t op_mode, struct bme68x_data *data, uint8_t *n_data, struct bme68x_dev *dev);
/**
* \ingroup bme68x
* \defgroup bme68xApiConfig Configuration
* @brief Configuration API of sensor
*/
/*!
* \ingroup bme68xApiConfig
* \page bme68x_api_bme68x_set_conf bme68x_set_conf
* \code
* int8_t bme68x_set_conf(struct bme68x_conf *conf, struct bme68x_dev *dev);
* \endcode
* @details This API is used to set the oversampling, filter and odr configuration
*
* @param[in] conf : Desired sensor configuration.
* @param[in,out] dev : Structure instance of bme68x_dev.
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_set_conf(struct bme68x_conf *conf, struct bme68x_dev *dev);
/*!
* \ingroup bme68xApiConfig
* \page bme68x_api_bme68x_get_conf bme68x_get_conf
* \code
* int8_t bme68x_get_conf(struct bme68x_conf *conf, struct bme68x_dev *dev);
* \endcode
* @details This API is used to get the oversampling, filter and odr
* configuration
*
* @param[out] conf : Present sensor configuration.
* @param[in,out] dev : Structure instance of bme68x_dev.
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_get_conf(struct bme68x_conf *conf, struct bme68x_dev *dev);
/*!
* \ingroup bme68xApiConfig
* \page bme68x_api_bme68x_set_heatr_conf bme68x_set_heatr_conf
* \code
* int8_t bme68x_set_heatr_conf(uint8_t op_mode, const struct bme68x_heatr_conf *conf, struct bme68x_dev *dev);
* \endcode
* @details This API is used to set the gas configuration of the sensor.
*
* @param[in] op_mode : Expected operation mode of the sensor.
* @param[in] conf : Desired heating configuration.
* @param[in,out] dev : Structure instance of bme68x_dev.
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_set_heatr_conf(uint8_t op_mode, const struct bme68x_heatr_conf *conf, struct bme68x_dev *dev);
/*!
* \ingroup bme68xApiConfig
* \page bme68x_api_bme68x_get_heatr_conf bme68x_get_heatr_conf
* \code
* int8_t bme68x_get_heatr_conf(const struct bme68x_heatr_conf *conf, struct bme68x_dev *dev);
* \endcode
* @details This API is used to get the gas configuration of the sensor.
*
* @param[out] conf : Current configurations of the gas sensor.
* @param[in,out] dev : Structure instance of bme68x_dev.
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_get_heatr_conf(const struct bme68x_heatr_conf *conf, struct bme68x_dev *dev);
/*!
* \ingroup bme68xApiSystem
* \page bme68x_api_bme68x_selftest_check bme68x_selftest_check
* \code
* int8_t bme68x_selftest_check(const struct bme68x_dev *dev);
* \endcode
* @details This API performs Self-test of low gas variant of BME68X
*
* @param[in, out] dev : Structure instance of bme68x_dev
*
* @return Result of API execution status
* @retval 0 -> Success
* @retval < 0 -> Fail
*/
int8_t bme68x_selftest_check(const struct bme68x_dev *dev);
#ifdef __cplusplus
}
#endif /* End of CPP guard */
#endif /* BME68X_H_ */