In this tutorial we will interface a MSP430 launchpad containing MSP430G2553 with a RS485 decoder chip from Maxim (MAX 485) and send data to an x86 PC through an RS485 Link.
Software running on the PC receives the data and displays the data on screen
Full Tutorial along with Source codes an be found here
http://xanthium.in/RS485-communication-using-MAX485-and-MSP430-Launchpad