//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 net.wimpi.modbus.ModbusCoupler;
import net.wimpi.modbus.Modbus;
import net.wimpi.modbus.io.ModbusSerialTransaction;
import net.wimpi.modbus.msg.ReadInputRegistersRequest;
import net.wimpi.modbus.msg.ReadInputRegistersResponse;
import net.wimpi.modbus.net.SerialConnection;
import net.wimpi.modbus.util.SerialParameters;
/**
* Class that implements a simple commandline
* tool for reading an analog input.
*
* @author Dieter Wimberger
* @version 1.2rc1 (09/11/2004)
*/
public class SerialAITest {
public static void main(String[] args) {
SerialConnection con = null;
ModbusSerialTransaction trans = null;
ReadInputRegistersRequest req = null;
ReadInputRegistersResponse res = null;
String portname = null;
int unitid = 0;
int ref = 0;
int count = 0;
int repeat = 1;
try {
//1. Setup the parameters
if (args.length < 4) {
printUsage();
System.exit(1);
} else {
try {
portname = args[0];
unitid = Integer.parseInt(args[1]);
ref = Integer.parseInt(args[2]);
count = Integer.parseInt(args[3]);
if (args.length == 5) {
repeat = Integer.parseInt(args[4]);
}
} catch (Exception ex) {
ex.printStackTrace();
printUsage();
System.exit(1);
}
}
//2. Set slave identifier for master response parsing
ModbusCoupler.getReference().setUnitID(unitid);
System.out.println("net.wimpi.modbus.debug set to: " +
System.getProperty("net.wimpi.modbus.debug"));
//3. Setup serial parameters
SerialParameters params = new SerialParameters();
params.setPortName(portname);
params.setBaudRate(9600);
params.setDatabits(8);
params.setParity("None");
params.setStopbits(1);
params.setEncoding("ascii");
params.setEcho(false);
if (Modbus.debug) System.out.println("Encoding [" + params.getEncoding() + "]");
//4. Open the connection
con = new SerialConnection(params);
con.open();
//5. Prepare a request
req = new ReadInputRegistersRequest(ref, count);
req.setUnitID(unitid);
req.setHeadless();
if (Modbus.debug) System.out.println("Request: " + req.getHexMessage());
//6. Prepare the transaction
trans = new ModbusSerialTransaction(con);
trans.setRequest(req);
//7. Execute the transaction repeat times
int k = 0;
do {
trans.execute();
res = (ReadInputRegistersResponse) trans.getResponse();
if (Modbus.debug)
System.out.println("Response: " + res.getHexMessage());
for (int n = 0; n < res.getWordCount(); n++) {
System.out.println("Word " + n + "=" + res.getRegisterValue(n));
}
k++;
} while (k < repeat);
//8. Close the connection
con.close();
} catch (Exception ex) {
ex.printStackTrace();
// Close the connection
con.close();
}
}//main
private static void printUsage() {
System.out.println(
"java net.wimpi.modbus.cmd.SerialAITest <portname [String]> <Unit Address [int8]> <register [int16]> <wordcount [int16]> {<repeat [int]>}"
);
}//printUsage
}//class SerialAITest