166 lines
8.0 KiB
C
166 lines
8.0 KiB
C
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/*
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* Copyright (C) 2017 Robert Bosch. All Rights Reserved.
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*
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* Disclaimer
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*
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* Common:
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* Bosch Sensortec products are developed for the consumer goods industry. They may only be used
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* within the parameters of the respective valid product data sheet. Bosch Sensortec products are
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* provided with the express understanding that there is no warranty of fitness for a particular purpose.
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* They are not fit for use in life-sustaining, safety or security sensitive systems or any system or device
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* that may lead to bodily harm or property damage if the system or device malfunctions. In addition,
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* Bosch Sensortec products are not fit for use in products which interact with motor vehicle systems.
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* The resale and/or use of products are at the purchasers own risk and his own responsibility. The
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* examination of fitness for the intended use is the sole responsibility of the Purchaser.
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*
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* The purchaser shall indemnify Bosch Sensortec from all third party claims, including any claims for
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* incidental, or consequential damages, arising from any product use not covered by the parameters of
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* the respective valid product data sheet or not approved by Bosch Sensortec and reimburse Bosch
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* Sensortec for all costs in connection with such claims.
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*
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* The purchaser must monitor the market for the purchased products, particularly with regard to
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* product safety and inform Bosch Sensortec without delay of all security relevant incidents.
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*
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* Engineering Samples are marked with an asterisk (*) or (e). Samples may vary from the valid
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* technical specifications of the product series. They are therefore not intended or fit for resale to third
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* parties or for use in end products. Their sole purpose is internal client testing. The testing of an
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* engineering sample may in no way replace the testing of a product series. Bosch Sensortec
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* assumes no liability for the use of engineering samples. By accepting the engineering samples, the
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* Purchaser agrees to indemnify Bosch Sensortec from all claims arising from the use of engineering
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* samples.
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*
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* Special:
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* This software module (hereinafter called "Software") and any information on application-sheets
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* (hereinafter called "Information") is provided free of charge for the sole purpose to support your
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* application work. The Software and Information is subject to the following terms and conditions:
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*
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* The Software is specifically designed for the exclusive use for Bosch Sensortec products by
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* personnel who have special experience and training. Do not use this Software if you do not have the
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* proper experience or training.
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*
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* This Software package is provided `` as is `` and without any expressed or implied warranties,
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* including without limitation, the implied warranties of merchantability and fitness for a particular
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* purpose.
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*
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* Bosch Sensortec and their representatives and agents deny any liability for the functional impairment
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* of this Software in terms of fitness, performance and safety. Bosch Sensortec and their
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* representatives and agents shall not be liable for any direct or indirect damages or injury, except as
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* otherwise stipulated in mandatory applicable law.
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*
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* The Information provided is believed to be accurate and reliable. Bosch Sensortec assumes no
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* responsibility for the consequences of use 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. No license is granted by implication or
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* otherwise under any patent or patent rights of Bosch. Specifications mentioned in the Information are
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* subject to change without notice.
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*
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* It is not allowed to deliver the source code of the Software to any third party without permission of
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* Bosch Sensortec.
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*
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*/
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/*!
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* @file bsec_integration.h
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*
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* @brief
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* Contains BSEC integration API
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*/
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/*!
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* @addtogroup bsec_examples BSEC Examples
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* @brief BSEC usage examples
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* @{*/
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#ifndef __BSEC_INTEGRATION_H__
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#define __BSEC_INTEGRATION_H__
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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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/**********************************************************************************************************************/
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/* header files */
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/**********************************************************************************************************************/
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/* Use the following bme680 driver: https://github.com/BoschSensortec/BME680_driver/releases/tag/bme680_v3.5.1 */
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#include "bme680.h"
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/* BSEC header files are available in the inc/ folder of the release package */
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#include "bsec_interface.h"
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#include "bsec_datatypes.h"
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/**********************************************************************************************************************/
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/* type definitions */
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/**********************************************************************************************************************/
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/* function pointer to the system specific sleep function */
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typedef void (*sleep_fct)(uint32_t t_ms);
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/* function pointer to the system specific timestamp derivation function */
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typedef int64_t (*get_timestamp_us_fct)();
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/* function pointer to the function processing obtained BSEC outputs */
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typedef void (*output_ready_fct)(int64_t timestamp, float iaq, uint8_t iaq_accuracy, float temperature, float humidity,
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float pressure, float raw_temperature, float raw_humidity, float gas, bsec_library_return_t bsec_status,
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float static_iaq, float co2_equivalent, float breath_voc_equivalent);
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/* function pointer to the function loading a previous BSEC state from NVM */
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typedef uint32_t (*state_load_fct)(uint8_t *state_buffer, uint32_t n_buffer);
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/* function pointer to the function saving BSEC state to NVM */
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typedef void (*state_save_fct)(const uint8_t *state_buffer, uint32_t length);
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/* function pointer to the function loading the BSEC configuration string from NVM */
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typedef uint32_t (*config_load_fct)(uint8_t *state_buffer, uint32_t n_buffer);
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/* structure definitions */
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/* Structure with the return value from bsec_iot_init() */
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typedef struct{
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/*! Result of API execution status */
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int8_t bme680_status;
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/*! Result of BSEC library */
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bsec_library_return_t bsec_status;
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}return_values_init;
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/**********************************************************************************************************************/
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/* function declarations */
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/**********************************************************************************************************************/
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/*!
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* @brief Initialize the BME680 sensor and the BSEC library
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*
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* @param[in] sample_rate mode to be used (either BSEC_SAMPLE_RATE_ULP or BSEC_SAMPLE_RATE_LP)
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* @param[in] temperature_offset device-specific temperature offset (due to self-heating)
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* @param[in] bus_write pointer to the bus writing function
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* @param[in] bus_read pointer to the bus reading function
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* @param[in] sleep pointer to the system-specific sleep function
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* @param[in] state_load pointer to the system-specific state load function
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*
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* @return zero if successful, negative otherwise
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*/
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return_values_init bsec_iot_init(float sample_rate, float temperature_offset, bme680_com_fptr_t bus_write, bme680_com_fptr_t bus_read,
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sleep_fct sleep, state_load_fct state_load, config_load_fct config_load);
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/*!
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* @brief Runs the main (endless) loop that queries sensor settings, applies them, and processes the measured data
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*
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* @param[in] sleep pointer to the system-specific sleep function
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* @param[in] get_timestamp_us pointer to the system-specific timestamp derivation function
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* @param[in] output_ready pointer to the function processing obtained BSEC outputs
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* @param[in] state_save pointer to the system-specific state save function
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* @param[in] save_intvl interval at which BSEC state should be saved (in samples)
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*
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* @return return_values_init struct with the result of the API and the BSEC library
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*/
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void bsec_iot_loop(sleep_fct sleep, get_timestamp_us_fct get_timestamp_us, output_ready_fct output_ready,
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state_save_fct state_save, uint32_t save_intvl);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BSEC_INTEGRATION_H__ */
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/*! @}*/
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