java - Why my usb to serial port is not recognized in Ubuntu? -


i have continue development of specific java embedded project talks serial external devices.

previous development done using windows , try run using ubuntu. have port issue when using code:

    string comport = gateway.config.gethardwarerevision() <= 1 ? "com0" : "com1";      string ports = system.getproperty("microedition.commports");     log.log("---available ports: " + ports);      serial = (commconnection) connector .open("comm:" + comport + ";blocking=on;baudrate=" + baud_rates[baudrate]                     + ";autocts=off;autorts=off");     instream = serial.openinputstream();      outstream = serial.openoutputstream();

basically connect usb serial cable, noticed ubuntu assigning port /dev/ttyusb0 change code to:

    `string comport = gateway.config.gethardwarerevision() <= 1 ? "/dev/ttyusb0" : "com1";`

because hw revision <=1 should load port. unfortunately after many tries still receive:

could not find serial port /dev/ttyusb0 java.io.ioexception: gnu.io.nosuchportexception     @ javax.microedition.io.serialconnection.open(serialconnection.java:57)     @ javax.microedition.io.serialconnection.<init>(serialconnection.java:19)     @ javax.microedition.io.connector.open(connector.java:43)     @ javax.microedition.io.connector.open(connector.java:13)

i read have use rxtx if developing linux can't believe should rewrite java code because change dev environment.

do have ideas make work without refactoring?


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