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libraries/bsec2/examples/bme68x_demo_sample/bsec_datalogger.h Normal file
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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 bsec_datalogger.h
* @date 03 Jan 2024
* @version 2.1.5
*
* @brief Header file for the bsec datalogger
*
*
*/
#ifndef BSEC_DATALOGGER_H
#define BSEC_DATALOGGER_H
/* Include of Arduino Core */
#include "Arduino.h"
#include <SdFat.h>
#include <RTClib.h>
#include <base64.h>
#include <ArduinoJson.h>
#include "utils.h"
#include "demo_app.h"
#include "label_provider.h"
#include <sstream>
#include <iostream>
/* Number of sensors to operate*/
#define NUM_OF_SENS UINT8_C(4)
#define COUNT_MAX_SIZE UINT8_C(2)
/*!
* @brief Class library that holds functionality of the bsec datalogger
*/
class bsecDataLogger
{
private:
String _ai_config_name, _ai_file_name, _bme_file_name, _label_file_name;
std::stringstream _bs, _ba;
uint32_t _ai_data_pos = 0, _bme_data_pos = 0;
uint32_t _bme_file_counter = 1;
uint32_t _bsec_file_counter = 1;
bool _first_line = false;
bsec_version_t _version;
bool _end_of_line = false;
String config_string;
/*!
* @brief : This function creates a bsec output file
*
* @return bosch error code
*/
demo_ret_code create_bsec_file();
/*!
* @brief : This function creates a bme68x datalogger output file
*
* @param[in] sensorNum : Selected sensor number
*
* @return bosch error code
*/
demo_ret_code create_raw_data_file(uint8_t sensor_num);
/*!
* @brief : Fuction that parses the config data from aiConfig file and creates config header and body
*
* @param[in] sensorNum : Selected sensor number
*
* @return bosch error code
*/
demo_ret_code prepare_config_content(uint8_t sensor_num);
public:
/*!
* @brief structure which comprises sensor input and output data to write into SD card
*/
typedef struct
{
/*! sensor number */
uint8_t sensor_num;
/*! sensor Index */
uint32_t sensor_id;
/*! bsec output structure*/
bsecOutputs outputs;
/*! return code */
demo_ret_code code;
/*! start time since power on */
uint32_t start_time_since_power_on;
/*! end time since power on */
uint32_t end_time_since_power_on;
/*! ground truth */
uint16_t ground_truth;
} sensor_io_data;
uint8_t scanCycles = 0;
/* Holds the aiconfig type (clasification / regression) */
char ai_config_type[15] = {};
/*!
* @brief :The constructor of the bsec_datalogger class
* Creates an instance of the class
*/
bsecDataLogger();
/*!
* @brief : This function configures the bsec datalogger using the provided bsec config string file.
*
* @param[in] configName : sensor configuration file
* @param[in] bsecVersion : reference to bsec version
* @param[in] sensorNum : selected sensor number
*
* @return bosch error code
*/
demo_ret_code begin(const String& config_name, const bsec_version_t& bsec_version, uint8_t sensor_num);
/*!
* @brief : This function flushes the buffered sensor data to the current log file
*
* @return bosch error code
*/
demo_ret_code flush_sensor_data(uint8_t sensor_num);
/*!
* @brief : This function writes the bsec output to the current log file.
*
* @param[in] buffData : reference to the buffered data
*
* @return bosch error code
*/
demo_ret_code write_bsec_output(sensor_io_data& buff_data);
/*!
* @brief : This function writes the sensor data to the current log file.
*
* @param[in] num : sensor number
* @param[in] sensorId : pointer to sensor id, if NULL a null json object is inserted
* @param[in] sensorMode : pointer to sensor operation mode, if NULL a null json object is inserted
* @param[in] bme68xData : pointer to bme68x data, if NULL a null json object is inserted
* @param[in] scanCycleIndex : pointer to sensor scanning cycle index
* @param[in] label : class label
* @param[in] code : application return code
*
* @return bosch error code
*/
demo_ret_code write_sensor_data(const uint8_t* num, const uint32_t* sensor_id, const bme68x_data* bme68xData,
const uint32_t* scan_cycle_index, uint32_t ground_truth, demo_ret_code code,
sensor_io_data& buff_data);
/*!
* @brief : This function creates a bme68x label information file with .bmelabelinfo extension
*
* @return bosch error code
*/
demo_ret_code create_label_info_file();
};
#endif