config BR2_PACKAGE_RS485CONF
  	bool "rs485conf"
  	help
  	  rs485conf is intended to be used on embedded boards with RS485
  	  interface. It can show as well as modify RS485 configuration
  	  parameters of TTY device with easy to use command line
  	  options.
  
  	  https://github.com/mniestroj/rs485conf