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Java Communications API – Configuration How To

Java Communication API is an extension from Sun to program for Serial/Parallel ports. Sun’s implementation of this specification can be found at " http://java.sun.com/products/javacomm ", there is also a third party Open Source implementation available at " http://rxtx.qbang.org/wiki/index.php/Main_Page ". Java is platform Independent, but you need some platform specific implementation to access Serial/Parallel ports, and that is why you need to do some extra work to use Java Communication API. First download the API binaries from " http://rxtx.qbang.org/wiki/index.php/Download " page. Extract it and follow the steps given below for Windows platform. If you are just trying execute programs already written using just JRE, then Copy rxtxParallel.dll to JRE_HOME\bin\ Copy rxtxSerial.dll to JRE_HOME\bin\ Copy RXTXcomm.jar to JRE_HOME\lib\ext\ If you are writing you own applications/programs, compiling and executing them, then Copy rxtxParalle