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Modern CPP best practise, examples, Do and Don't

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Yocto HOW_TO

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CMake APIs and HOW_TO

Links

• CppCon 2017: Mathieu Ropert “Using Modern CMake Patterns to Enforce a Good Modular Design”

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linux commands used for daily bases development

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Create IAM User (This is uses instead of using the ROOT User)
  1- Search and navigate to IAM page
  2- Choose User then Add User
  3- Select the name "My_OTA_User" for example
  4- For access type Select whatever you like (we can use Paragmmatic access)
  5- Select attach existence policy and search for and select the following
      - AmazonFreeRTOSFullAccess
      - AmazonFreeRTOSOTAUpdate
      - AWSIoTFullAccess
  6- Select Create User and download the credentials CSV file

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sudo apt-get install automake bison chrpath flex g++ git gperf gawk\
libexpat1-dev libncurses5-dev libsdl1.2-dev libtool python2.7-dev texinfo\
help2man libtool libtool-bin libtool-doc

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https://youtu.be/2JqWvl3HFfQ

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Using the latest BFG jar file 
https://rtyley.github.io/bfg-repo-cleaner/
https://github.com/rtyley/bfg-repo-cleaner

1- Clean large files size 
java -jar bfg-1.13.0.jar -b <size> <repo>

2- Rewrite history 
from the repo folder
git reflog expire --expire=now --all && git gc --prune=now --aggressive

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uint32_t reset_cnt __attribute__ ((section (".noinit")));
uint32_t first_run __attribute__ ((section (".noinit")));

void main(void)
{
  if(first_run != 0xDEADBEEFUL)
  {
    reset_cnt = 0;
    first_run = 0xDEADBEEFUL;
  }

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/* USER CODE BEGIN Header */
/** 
  ******************************************************************************
  * File Name       : mbedtls_config.h
  * Description     : the mbedtls custom config header file.
  ******************************************************************************
   * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  * All rights reserved.</center></h2>