/***
* Copyright 2002-2010 jamod development team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
***/
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.ReadInputDiscretesRequest;
import net.wimpi.modbus.msg.ReadInputDiscretesResponse;
import net.wimpi.modbus.net.SerialConnection;
import net.wimpi.modbus.util.SerialParameters;
import net.wimpi.modbus.util.BitVector;
/**
* Class that implements a simple commandline
* tool for reading an analog input.
*
* @author Dieter Wimberger
* @version @version@ (@date@)
*/
public class SerialDITest {
public static void main(String[] args) {
SerialConnection con = null;
ModbusSerialTransaction trans = null;
ReadInputDiscretesRequest req = null;
ReadInputDiscretesResponse 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(115200);
params.setDatabits(7);
params.setParity("None");
params.setStopbits(2);
// params.setEncoding("rtu");
// params.setEcho(true);
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 ReadInputDiscretesRequest(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 = (ReadInputDiscretesResponse) trans.getResponse();
if (Modbus.debug) System.out.println("Response: " + res.getHexMessage());
BitVector inputs = res.getDiscretes();
byte ret[] = new byte[inputs.size()];
for (int i = 0; i < count; i++) {
System.out.println("Bit " + i + " = " + inputs.getBit(i));
}
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