Put rxtxParallel.dll and rxtxSerial.dll into {$JAVA_JRE_PATH}/bin In Eclipse, Project->Properties->Java Build Path->Libraries->Add JARS, add the RXTXcomm.jar into the Libraries.

• Step 1: Read in commands from .txt for controling the steering motor corresponding pins
• Step 2: Create the same number of threads as COM ports, where one thread handles one COM ports business
• Step 3: Distribute the Commands to each thread. Each thread only get and execute its own commands, while leave other commands unconsumed.

cmdReader

CmdReader.java: The major file for .txt commands read in and storing;
ReadInCmd.java: Read in the commands from .txt files; Change the command .txt file path at here
string2DataPacket.java: Convert the string to standardlize commands.

comPortWriter

ContinueWrite.java: The main file contains the main function for all program logic process; Create threads corresponding to COM number at here
ComPortDataPackage.java: Define the data packet format for steering motor control;
Tuple.java: Define the utilities data structure used by this projects.

controlPanel

ControlPanel.java: A legacy file currently unused by this project, it is just a simple panel for controling the steering motors;
comPortWriter/ShowUtils.java: A legacy file currently unused by this project.