first commit
This commit is contained in:
commit
5893b00dd2
1669 changed files with 1982740 additions and 0 deletions
332
libraries/bsec2/examples/bme68x_demo_sample/utils.cpp
Normal file
332
libraries/bsec2/examples/bme68x_demo_sample/utils.cpp
Normal file
|
|
@ -0,0 +1,332 @@
|
|||
/*!
|
||||
* 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 utils.cpp
|
||||
* @date 03 Jan 2024
|
||||
* @version 2.1.5
|
||||
*
|
||||
* @brief utils
|
||||
*
|
||||
*
|
||||
*/
|
||||
|
||||
#define _GNU_SOURCE
|
||||
|
||||
/* own header include */
|
||||
#include "utils.h"
|
||||
#include <ArduinoJson.h>
|
||||
#include <math.h>
|
||||
|
||||
uint64_t utils::_tick_ms;
|
||||
uint64_t utils::_tick_over_flow_cnt;
|
||||
SdFat utils::_sd;
|
||||
RTC_PCF8523 utils::_rtc;
|
||||
char utils::_file_seed[DATA_LOG_FILE_SEED_SIZE];
|
||||
uint32_t utils::_file_data_pos = 0;
|
||||
bool utils::_is_conf_available;
|
||||
|
||||
/*!
|
||||
* @brief This function creates the random alphanumeric file seed for the log file
|
||||
*/
|
||||
void utils::create_file_seed()
|
||||
{
|
||||
/* setup an alphanumeric characters buffer to choose from */
|
||||
const char *letters = "abcdefghijklmnopqrstuvwxyz0123456789";
|
||||
|
||||
/* for each character of the file seed, randomly select one from the buffer */
|
||||
for (uint32_t seed_char = 0; seed_char < 16; seed_char++)
|
||||
{
|
||||
uint32_t rand_c = random(0, 36);
|
||||
_file_seed[seed_char] = letters[rand_c];
|
||||
}
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief This function is a callback function to set the correct date for modified SD-card files
|
||||
*/
|
||||
void utils::date_time(uint16_t* date, uint16_t* time)
|
||||
{
|
||||
DateTime now = _rtc.now();
|
||||
/* return date using FAT_DATE macro to format fields */
|
||||
*date = FAT_DATE(now.year(), now.month(), now.day());
|
||||
/* return time using FAT_TIME macro to format fields */
|
||||
*time = FAT_TIME(now.hour(), now.minute(), now.second());
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief This function initializes the module
|
||||
*/
|
||||
demo_ret_code utils::begin()
|
||||
{
|
||||
demo_ret_code ret_code = EDK_OK;
|
||||
|
||||
if (!_sd.begin(PIN_SD_CS, SPI_EIGHTH_SPEED))
|
||||
{
|
||||
ret_code = EDK_SD_CARD_INIT_ERROR;
|
||||
}
|
||||
else if (!_rtc.begin())
|
||||
{
|
||||
ret_code = EDK_DATALOGGER_RTC_BEGIN_WARNING;
|
||||
}
|
||||
else if (!_rtc.initialized() || _rtc.lostPower())
|
||||
{
|
||||
_rtc.adjust(DateTime(F(__DATE__), F(__TIME__)) - TimeSpan((int32_t)(TIMEZONE * 3600)));
|
||||
|
||||
ret_code = EDK_DATALOGGER_RTC_ADJUST_WARNING;
|
||||
}
|
||||
|
||||
randomSeed(analogRead(0));
|
||||
|
||||
create_file_seed();
|
||||
|
||||
SdFile::dateTimeCallback(date_time);
|
||||
|
||||
return ret_code;
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief This function retrieves the rtc handle
|
||||
*/
|
||||
RTC_PCF8523& utils::get_rtc()
|
||||
{
|
||||
return _rtc;
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief This function retrieves the created file seed
|
||||
*/
|
||||
String utils::get_file_seed()
|
||||
{
|
||||
return String(_file_seed);
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief This function creates a mac address string
|
||||
*/
|
||||
String utils::get_mac_address()
|
||||
{
|
||||
uint64_t mac = ESP.getEfuseMac();
|
||||
char *mac_ptr = (char*)&mac;
|
||||
char mac_str[13];
|
||||
|
||||
sprintf(mac_str, "%02X%02X%02X%02X%02X%02X", mac_ptr[0], mac_ptr[1], mac_ptr[2], mac_ptr[3], mac_ptr[4], mac_ptr[5]);
|
||||
|
||||
return String(mac_str);
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief This function creates a date string
|
||||
*/
|
||||
String utils::get_date_time()
|
||||
{
|
||||
char time_buffer[20];
|
||||
DateTime date = _rtc.now();
|
||||
|
||||
sprintf(time_buffer, "%d_%02d_%02d_%02d_%02d", date.year(), date.month(), date.day(), date.hour(), date.minute());
|
||||
|
||||
return String(time_buffer);
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief This function retrieves the first file with provided file extension
|
||||
*/
|
||||
bool utils::get_file_with_extension(String& fName, const String& extension)
|
||||
{
|
||||
File root;
|
||||
File file;
|
||||
char file_name[90];
|
||||
|
||||
if (root.open("/"))
|
||||
{
|
||||
|
||||
while (file.openNext(&root, O_READ))
|
||||
{
|
||||
|
||||
if (file.isFile())
|
||||
{
|
||||
file.getName(file_name, sizeof(file_name));
|
||||
|
||||
if (String(file_name).endsWith(extension))
|
||||
{
|
||||
file.close();
|
||||
fName = String(file_name);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
file.close();
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief This function retrieves the latest file with provided file extension
|
||||
*/
|
||||
bool utils::get_latest_file_with_extension(String& fName, const String& extension)
|
||||
{
|
||||
File root;
|
||||
File file;
|
||||
char file_name[90];
|
||||
bool flag = false;
|
||||
|
||||
if (root.open("/"))
|
||||
{
|
||||
|
||||
while (file.openNext(&root, O_READ))
|
||||
{
|
||||
|
||||
if (file.isFile())
|
||||
{
|
||||
file.getName(file_name, sizeof(file_name));
|
||||
|
||||
if (String(file_name).endsWith(extension))
|
||||
{
|
||||
file.close();
|
||||
fName = String(file_name);
|
||||
flag = true;
|
||||
}
|
||||
}
|
||||
file.close();
|
||||
}
|
||||
}
|
||||
|
||||
if (flag)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
else
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief This function retrives the bsec configuration string from the provided file
|
||||
*/
|
||||
demo_ret_code utils::get_bsec_config(const String& file_name, uint8_t config_str[BSEC_MAX_PROPERTY_BLOB_SIZE])
|
||||
{
|
||||
demo_ret_code ret_code = EDK_OK;
|
||||
uint32_t config_str_len;
|
||||
|
||||
File configFile;
|
||||
if (!configFile.open(file_name.c_str(), O_RDWR))
|
||||
{
|
||||
ret_code = EDK_BSEC_CONFIG_STR_FILE_ERROR;
|
||||
}
|
||||
else if (configFile.read(&config_str_len, sizeof(uint32_t)) != sizeof(uint32_t))
|
||||
{
|
||||
ret_code = EDK_BSEC_CONFIG_STR_READ_ERROR;
|
||||
}
|
||||
else if (config_str_len != BSEC_MAX_PROPERTY_BLOB_SIZE)
|
||||
{
|
||||
ret_code = EDK_BSEC_CONFIG_STR_SIZE_ERROR;
|
||||
}
|
||||
else if (configFile.read(config_str, config_str_len) != config_str_len)
|
||||
{
|
||||
ret_code = EDK_BSEC_CONFIG_STR_READ_ERROR;
|
||||
}
|
||||
return ret_code;
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief This function returns the tick value (ms)
|
||||
*/
|
||||
uint64_t utils::get_tick_ms(void)
|
||||
{
|
||||
uint64_t time_ms = millis();
|
||||
|
||||
if (_tick_ms > time_ms) /* An overflow occurred */
|
||||
{
|
||||
_tick_over_flow_cnt++;
|
||||
}
|
||||
_tick_ms = time_ms;
|
||||
return time_ms + (_tick_over_flow_cnt * INT64_C(0xFFFFFFFF));
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief : This function reads the size of bytes from the file of given fileExtension
|
||||
*/
|
||||
demo_ret_code utils::read_file(const String& file_extension, size_t size, char *file_data)
|
||||
{
|
||||
File file;
|
||||
demo_ret_code ret_code;
|
||||
static String file_name;
|
||||
static bool first_time = true;
|
||||
memset(file_data, 0, size); /* Clears the previous data if any */
|
||||
ret_code = utils::begin(); /* Initializes the SD card module */
|
||||
|
||||
size = size - 1;
|
||||
|
||||
if (ret_code >= EDK_OK)
|
||||
{
|
||||
|
||||
if (first_time)
|
||||
{
|
||||
|
||||
if (file_extension == BME68X_LABEL_INFO_FILE_EXT)
|
||||
{
|
||||
/* check for a file with given extension */
|
||||
_is_conf_available = utils::get_latest_file_with_extension(file_name, file_extension);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* check for a file with given extension */
|
||||
_is_conf_available = utils::get_file_with_extension(file_name, file_extension);
|
||||
}
|
||||
}
|
||||
|
||||
if (_is_conf_available)
|
||||
{
|
||||
|
||||
if (!file.open(file_name.c_str(), O_READ)) /* open the given file in read mode */
|
||||
{
|
||||
return EDK_FILE_OPEN_ERROR;
|
||||
}
|
||||
first_time = false;
|
||||
file.seek(_file_data_pos); /* sets the position of the file to a particular byte */
|
||||
|
||||
if (file.available())
|
||||
{
|
||||
file.read(file_data, size); /* reads the given number of bytes of data */
|
||||
_file_data_pos = file.position(); /* save the file position indicator for next read */
|
||||
file.close(); /* closes the file */
|
||||
return EDK_OK;
|
||||
}
|
||||
file.close();
|
||||
_file_data_pos = 0; /* resets the file position indicator */
|
||||
first_time = true;
|
||||
return EDK_END_OF_FILE;
|
||||
}
|
||||
return EDK_EXTENSION_NOT_AVAILABLE;
|
||||
}
|
||||
return ret_code;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue