//License
/***
* Java Modbus Library (jamod)
* Copyright (c) 2002-2004, jamod development team
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the author nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS
* IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
***/
package net.wimpi.modbus.cmd;
import java.net.InetAddress;
import net.wimpi.modbus.io.ModbusTCPTransaction;
import net.wimpi.modbus.msg.ReadInputDiscretesRequest;
import net.wimpi.modbus.msg.ReadInputDiscretesResponse;
import net.wimpi.modbus.net.TCPMasterConnection;
import net.wimpi.modbus.Modbus;
/**
* Class that implements a simple commandline
* tool for reading a digital input.
*
* @author Dieter Wimberger
* @version 1.2rc1 (09/11/2004)
*/
public class DITest {
public static void main(String[] args) {
TCPMasterConnection con = null;
ModbusTCPTransaction trans = null;
ReadInputDiscretesRequest req = null;
ReadInputDiscretesResponse res = null;
InetAddress addr = null;
int ref = 0;
int count = 0;
int repeat = 1;
int port = Modbus.DEFAULT_PORT;
try {
//1. Setup the parameters
if (args.length < 3) {
printUsage();
System.exit(1);
} else {
try {
String astr = args[0];
int idx = astr.indexOf(':');
if(idx > 0) {
port = Integer.parseInt(astr.substring(idx+1));
astr = astr.substring(0,idx);
}
addr = InetAddress.getByName(astr);
ref = Integer.parseInt(args[1]);
count = Integer.parseInt(args[2]);
if (args.length == 4) {
repeat = Integer.parseInt(args[3]);
}
} catch (Exception ex) {
ex.printStackTrace();
printUsage();
System.exit(1);
}
}
//2. Open the connection
con = new TCPMasterConnection(addr);
con.setPort(port);
con.connect();
if (Modbus.debug) System.out.println("Connected to " + addr.toString() + ":" + con.getPort());
//3. Prepare the request
req = new ReadInputDiscretesRequest(ref, count);
//ReadCoilsRequest req = new ReadCoilsRequest(ref, count);
req.setUnitID(0);
if (Modbus.debug) System.out.println("Request: " + req.getHexMessage());
//4. Prepare the transaction
trans = new ModbusTCPTransaction(con);
trans.setRequest(req);
trans.setReconnecting(false);
//5. Execute the transaction repeat times
int k = 0;
do {
trans.execute();
res = (ReadInputDiscretesResponse) trans.getResponse();
//ReadCoilsResponse res = (ReadCoilsResponse) trans.getResponse();
if (Modbus.debug) System.out.println("Response: " + res.getHexMessage() );
System.out.println("Digital Inputs Status=" + res.getDiscretes().toString());
//System.out.println("Coils Status=" + res.getCoils().toString());
k++;
} while (k < repeat);
//6. Close the connection
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
}//main
private static void printUsage() {
System.out.println(
"java net.wimpi.modbus.cmd.DITest <address{:<port>} [String]> <register [int16]> <bitcount [int16]> {<repeat [int]>}"
);
}//printUsage
}//class DITest