Nuclei embedded Software Development Kit, Release 0.2.1

This is release 0.2.1 of Nuclei SDK.

• Build System

  • Add extra linker options -u _isatty -u _write -u _sbrk -u _read -u _close -u _fstat -u _lseek
    in Makefile.conf to make sure if you pass extra -flto compile option, link phase will not fail

• Documentation

  • Add documentation about how to optimize for code size in application development, using demo_eclic
    as example.

• OS

  • Update FreeRTOS to version V10.3.1
  • Update FreeRTOS portable code

• NMSIS

  • Update NMSIS to release v1.0.0-beta1