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January 2, 2019 16:35
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CLI test for MODBUS RTU FC05 "Write Single Coils" with JAMOD
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/** | |
* 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.Modbus; | |
import net.wimpi.modbus.ModbusCoupler; | |
import net.wimpi.modbus.io.ModbusSerialTransaction; | |
import net.wimpi.modbus.msg.ModbusRequest; | |
import net.wimpi.modbus.msg.WriteCoilRequest; | |
import net.wimpi.modbus.net.SerialConnection; | |
// import net.wimpi.modbus.util.BitVector; | |
import net.wimpi.modbus.util.SerialParameters; | |
/** | |
* Class that implements a simple commandline | |
* tool for reading an analog input. | |
* | |
* @author Dieter Wimberger | |
* @version @version@ (@date@) | |
*/ | |
public class SerialDOTest { | |
public static void main(String[] args) { | |
SerialConnection con = null; | |
ModbusSerialTransaction trans = null; | |
ModbusRequest req = null; | |
String portname = null; | |
int unitid = 0; | |
int ref = 0; | |
boolean count = false; | |
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 = "true".equals(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("rtu"); | |
// 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 WriteCoilRequest(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(); | |
// if (Modbus.debug) { | |
System.out.println("Response: " + trans.getResponse().getHexMessage()); | |
// } | |
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.SerialDOTest <portname [String]> <address{:<port>} [String]> <register [int16]> <state [boolean]> {<repeat [int]>}"); | |
}// printUsage | |
}// class SerialDOTest | |
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