226 lines
7.9 KiB
C
226 lines
7.9 KiB
C
/**
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* Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names of the
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
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* OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
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*
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* The information provided is believed to be accurate and reliable.
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* The copyright holder assumes no responsibility
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* for the consequences of use
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* of such information nor for any infringement of patents or
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* other rights of third parties which may result from its use.
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* No license is granted by implication or otherwise under any patent or
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* patent rights of the copyright holder.
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*
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* @file bme680.h
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* @date 19 Jun 2018
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* @version 3.5.9
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* @brief
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*
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*/
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/*! @file bme680.h
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@brief Sensor driver for BME680 sensor */
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/*!
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* @defgroup BME680 SENSOR API
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* @{*/
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#ifndef BME680_H_
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#define BME680_H_
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/*! CPP guard */
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Header includes */
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#include "bme680_defs.h"
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/* function prototype declarations */
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/*!
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* @brief This API is the entry point.
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* It reads the chip-id and calibration data from the sensor.
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*
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* @param[in,out] dev : Structure instance of bme680_dev
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*
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* @return Result of API execution status
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* @retval zero -> Success / +ve value -> Warning / -ve value -> Error
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*/
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int8_t bme680_init(struct bme680_dev *dev);
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/*!
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* @brief This API writes the given data to the register address
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* of the sensor.
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*
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* @param[in] reg_addr : Register address from where the data to be written.
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* @param[in] reg_data : Pointer to data buffer which is to be written
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* in the sensor.
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* @param[in] len : No of bytes of data to write..
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* @param[in] dev : Structure instance of bme680_dev.
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*
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* @return Result of API execution status
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* @retval zero -> Success / +ve value -> Warning / -ve value -> Error
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*/
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int8_t bme680_set_regs(const uint8_t *reg_addr, const uint8_t *reg_data, uint8_t len, struct bme680_dev *dev);
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/*!
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* @brief This API reads the data from the given register address of the sensor.
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*
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* @param[in] reg_addr : Register address from where the data to be read
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* @param[out] reg_data : Pointer to data buffer to store the read data.
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* @param[in] len : No of bytes of data to be read.
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* @param[in] dev : Structure instance of bme680_dev.
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*
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* @return Result of API execution status
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* @retval zero -> Success / +ve value -> Warning / -ve value -> Error
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*/
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int8_t bme680_get_regs(uint8_t reg_addr, uint8_t *reg_data, uint16_t len, struct bme680_dev *dev);
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/*!
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* @brief This API performs the soft reset of the sensor.
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*
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* @param[in] dev : Structure instance of bme680_dev.
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*
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* @return Result of API execution status
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* @retval zero -> Success / +ve value -> Warning / -ve value -> Error.
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*/
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int8_t bme680_soft_reset(struct bme680_dev *dev);
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/*!
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* @brief This API is used to set the power mode of the sensor.
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*
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* @param[in] dev : Structure instance of bme680_dev
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* @note : Pass the value to bme680_dev.power_mode structure variable.
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*
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* value | mode
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* -------------|------------------
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* 0x00 | BME680_SLEEP_MODE
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* 0x01 | BME680_FORCED_MODE
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*
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* * @return Result of API execution status
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* @retval zero -> Success / +ve value -> Warning / -ve value -> Error
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*/
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int8_t bme680_set_sensor_mode(struct bme680_dev *dev);
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/*!
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* @brief This API is used to get the power mode of the sensor.
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*
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* @param[in] dev : Structure instance of bme680_dev
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* @note : bme680_dev.power_mode structure variable hold the power mode.
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*
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* value | mode
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* ---------|------------------
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* 0x00 | BME680_SLEEP_MODE
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* 0x01 | BME680_FORCED_MODE
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*
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* @return Result of API execution status
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* @retval zero -> Success / +ve value -> Warning / -ve value -> Error
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*/
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int8_t bme680_get_sensor_mode(struct bme680_dev *dev);
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/*!
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* @brief This API is used to set the profile duration of the sensor.
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*
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* @param[in] dev : Structure instance of bme680_dev.
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* @param[in] duration : Duration of the measurement in ms.
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*
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* @return Nothing
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*/
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void bme680_set_profile_dur(uint16_t duration, struct bme680_dev *dev);
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/*!
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* @brief This API is used to get the profile duration of the sensor.
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*
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* @param[in] dev : Structure instance of bme680_dev.
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* @param[in] duration : Duration of the measurement in ms.
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*
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* @return Nothing
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*/
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void bme680_get_profile_dur(uint16_t *duration, const struct bme680_dev *dev);
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/*!
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* @brief This API reads the pressure, temperature and humidity and gas data
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* from the sensor, compensates the data and store it in the bme680_data
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* structure instance passed by the user.
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*
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* @param[out] data: Structure instance to hold the data.
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* @param[in] dev : Structure instance of bme680_dev.
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*
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* @return Result of API execution status
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* @retval zero -> Success / +ve value -> Warning / -ve value -> Error
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*/
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int8_t bme680_get_sensor_data(struct bme680_field_data *data, struct bme680_dev *dev);
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/*!
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* @brief This API is used to set the oversampling, filter and T,P,H, gas selection
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* settings in the sensor.
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*
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* @param[in] dev : Structure instance of bme680_dev.
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* @param[in] desired_settings : Variable used to select the settings which
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* are to be set in the sensor.
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*
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* Macros | Functionality
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*---------------------------------|----------------------------------------------
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* BME680_OST_SEL | To set temperature oversampling.
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* BME680_OSP_SEL | To set pressure oversampling.
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* BME680_OSH_SEL | To set humidity oversampling.
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* BME680_GAS_MEAS_SEL | To set gas measurement setting.
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* BME680_FILTER_SEL | To set filter setting.
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* BME680_HCNTRL_SEL | To set humidity control setting.
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* BME680_RUN_GAS_SEL | To set run gas setting.
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* BME680_NBCONV_SEL | To set NB conversion setting.
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* BME680_GAS_SENSOR_SEL | To set all gas sensor related settings
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*
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* @note : Below are the macros to be used by the user for selecting the
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* desired settings. User can do OR operation of these macros for configuring
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* multiple settings.
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*
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* @return Result of API execution status
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* @retval zero -> Success / +ve value -> Warning / -ve value -> Error.
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*/
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int8_t bme680_set_sensor_settings(uint16_t desired_settings, struct bme680_dev *dev);
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/*!
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* @brief This API is used to get the oversampling, filter and T,P,H, gas selection
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* settings in the sensor.
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*
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* @param[in] dev : Structure instance of bme680_dev.
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* @param[in] desired_settings : Variable used to select the settings which
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* are to be get from the sensor.
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*
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* @return Result of API execution status
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* @retval zero -> Success / +ve value -> Warning / -ve value -> Error.
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*/
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int8_t bme680_get_sensor_settings(uint16_t desired_settings, struct bme680_dev *dev);
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#ifdef __cplusplus
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}
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#endif /* End of CPP guard */
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#endif /* BME680_H_ */
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/** @}*/
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