Serial protocol definition
Click on "Serial protocol setup" button or select "Serial    
protocol" from "Setup" menu and add a new 'send' serial protocol    
and edit it.
   
        
   
The symbol of this protocol is 's0' which is generated automatically by this    
program.
The data protocol is
| Value | STX (or 0x02) | text data | ETX (or 0x03) | 
| Size (byte) | 1 | unknown | 1 | 
| Note | flag | read from a Serial Text Field (length unknown) | flag | 
then the serial protocol edit in HelloDevice IDE is
   

  
  
When you presses the Serial Gate Button (send protocol symbol property of this    
button is 's0' and the symbol of above protocol is 's0') in the final product    
Java application of this example, it will compose a serial data which consists    
of 0x02, a text data and 0x03. The text data will be read from the Serial Text    
Field which has been already put on the design panel and the write destination  
of which is    
'v0'.
Java application deployment
Select "Deploy -> make application" menu or press "make    
application" button in the tool box.
   
Then, a dialog box titled "Create application" will pop up.
Set parameters as following.
   
        
   
Select a folder where the output files are to be stored and set Application    
title 'Online_sign-board'.
   
The device type is HD1300 (means serial communication).
   
It will be a client to a HelloDevice therefore turn off the server function.
   
The default host address is '211.116.26.212' which is the real IP address of    
HelloDevice which is connected to the online demo sign-board in our web site.
   
The port number is 6001.