CODEWITHSUNDEEP
javaserial-port
AJAY MAHALLE
AJAY MAHALLE

Reputation: 43

How to use Eclipse Indigo with Java communication API

I am working with Java communication API in Eclipse. This is my sample program to get all available ports for communication but the program exits because CommPortIdentifier.getPortIdentifiers() doesn't return anything. Enumeration enu_ports is null and program exits.

Steps I have done:

If any step is incorrect please provide steps to use Eclipse Indigo with Java communication API.

import java.util.Enumeration;

import javax.comm.CommPortIdentifier;

class GetAvailableComPorts {

    public static void getComPorts(){
        String     port_type;
        Enumeration  enu_ports  = CommPortIdentifier.getPortIdentifiers();

        while (enu_ports.hasMoreElements()) {
            CommPortIdentifier port_identifier = (CommPortIdentifier) enu_ports.nextElement();

            switch(port_identifier.getPortType()){
                case CommPortIdentifier.PORT_SERIAL:
                    port_type   =   "Serial";
                    break;
                case CommPortIdentifier.PORT_PARALLEL:
                    port_type   =   "Parallel";
                    break;

                default:
                    port_type   =   "Unknown";
                    break;
            }

            System.out.println("Port : "+port_identifier.getName() +" Port type : "+port_type);
        }
    }
    public static void main(String[] args) {
        getComPorts();
    }
}

Upvotes: 0

Views: 1053

Answers (1)

jawi
jawi

Reputation: 360

The problem most certainly isn't related to Eclipse. What serial library are you using? It doesn't seem to be RXTX. Did you try alternative libraries, like PureJavacomm, or NrJavaSerial? Does that resolve your issue?

Upvotes: 1

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