Modbus4jWriteUtils.java
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package com.huaheng.api.dianqi;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.serotonin.modbus4j.ModbusFactory;
import com.serotonin.modbus4j.ModbusMaster;
import com.serotonin.modbus4j.code.DataType;
import com.serotonin.modbus4j.exception.ErrorResponseException;
import com.serotonin.modbus4j.exception.ModbusInitException;
import com.serotonin.modbus4j.exception.ModbusTransportException;
import com.serotonin.modbus4j.ip.IpParameters;
import com.serotonin.modbus4j.locator.BaseLocator;
import com.serotonin.modbus4j.msg.ModbusResponse;
import com.serotonin.modbus4j.msg.WriteCoilRequest;
import com.serotonin.modbus4j.msg.WriteCoilResponse;
import com.serotonin.modbus4j.msg.WriteCoilsRequest;
import com.serotonin.modbus4j.msg.WriteCoilsResponse;
import com.serotonin.modbus4j.msg.WriteRegisterRequest;
import com.serotonin.modbus4j.msg.WriteRegisterResponse;
import com.serotonin.modbus4j.msg.WriteRegistersRequest;
/**
* modbus4j写入数据
* @author xq
*/
public class Modbus4jWriteUtils {
static Log log = LogFactory.getLog(Modbus4jWriteUtils.class);
/**
* 工厂
*/
static ModbusFactory modbusFactory;
static {
if (modbusFactory == null) {
modbusFactory = new ModbusFactory();
}
}
/**
* 获取tcpMaster
*/
public static ModbusMaster getMaster() throws ModbusInitException {
IpParameters params = new IpParameters();
params.setHost("localhost");
params.setPort(502);
ModbusMaster tcpMaster = modbusFactory.createTcpMaster(params, false);
tcpMaster.init();
return tcpMaster;
}
/**
* 写 [01 Coil Status(0x)] 写多个 function ID = 5
* @param slaveId slave的地址
* @param writeOffset 位置
* @param writeValue 值 true/false
* @return 是否写入成功
*/
public static boolean writeCoil(int slaveId, int writeOffset, boolean writeValue) throws ModbusTransportException, ModbusInitException {
// 获取master
ModbusMaster tcpMaster = getMaster();
// 创建请求
WriteCoilRequest request = new WriteCoilRequest(slaveId, writeOffset, writeValue);
// 发送请求并获取响应对象
WriteCoilResponse response = (WriteCoilResponse) tcpMaster.send(request);
if (response.isException()) {
return false;
} else {
return true;
}
}
/**
* 写[01 Coil Status(0x)] 写多个 function ID = 15
* @param slaveId slaveId
* @param startOffset 开始位置
* @param bdata 写入的数据 boolean[] true/false
* @return 是否写入成功
*/
public static boolean writeCoils(int slaveId, int startOffset, boolean[] bdata) throws ModbusTransportException, ModbusInitException {
// 获取master
ModbusMaster tcpMaster = getMaster();
// 创建请求
WriteCoilsRequest request = new WriteCoilsRequest(slaveId, startOffset, bdata);
// 发送请求并获取响应对象
WriteCoilsResponse response = (WriteCoilsResponse) tcpMaster.send(request);
if (response.isException()) {
return false;
} else {
return true;
}
}
/***
* 写[03 Holding Register(4x)] 写一个 function ID = 6
* @param slaveId slaveId
* @param writeOffset 开始位置
* @param writeValue 写入的数据
* @return 是否写入成功
*/
public static boolean writeRegister(int slaveId, int writeOffset, short writeValue) throws ModbusTransportException, ModbusInitException {
// 获取master
ModbusMaster tcpMaster = getMaster();
// 创建请求对象
WriteRegisterRequest request = new WriteRegisterRequest(slaveId, writeOffset, writeValue);
WriteRegisterResponse response = (WriteRegisterResponse) tcpMaster.send(request);
if (response.isException()) {
log.error(response.getExceptionMessage());
return false;
} else {
return true;
}
}
/**
* 写入[03 Holding Register(4x)]写多个 function ID=16
* @param slaveId modbus的slaveID
* @param startOffset 起始位置偏移量
* @param sdata 写入的数据
* @return 返回是否写入成功
*/
public static boolean writeRegisters(int slaveId, int startOffset, short[] sdata) throws ModbusTransportException, ModbusInitException {
// 获取master
ModbusMaster tcpMaster = getMaster();
// 创建请求对象
WriteRegistersRequest request = new WriteRegistersRequest(slaveId, startOffset, sdata);
// 发送请求并获取响应对象
ModbusResponse response = tcpMaster.send(request);
if (response.isException()) {
log.error(response.getExceptionMessage());
return false;
} else {
return true;
}
}
/**
* 写入数字类型的模拟量(如:写入Float类型的模拟量、Double类型模拟量、整数类型Short、Integer、Long)
* @param slaveId
* @param offset
* @param value 写入值,Number的子类,例如写入Float浮点类型,Double双精度类型,以及整型short,int,long
*/
public static void writeHoldingRegister(int slaveId, int offset, Number value, int dataType)
throws ModbusTransportException, ErrorResponseException, ModbusInitException {
// 获取master
ModbusMaster tcpMaster = getMaster();
// 类型
BaseLocator<Number> locator = BaseLocator.holdingRegister(slaveId, offset, dataType);
tcpMaster.setValue(locator, value);
}
public static void main(String[] args) {
try {
//写入单个线圈
// boolean t01 = writeCoil(1, 0, false);
// System.out.println("T01:" + t01);
//批量写入线圈
// boolean t02 = writeCoils(1, 0, new boolean[] { true, false, true });
// System.out.println("T02:" + t02);
//写入单个保持寄存器 short类型 signed有符号
// short v = -3;
// boolean t03 = writeRegister(1, 0, v);
// System.out.println("T03:" + t03);
//批量写入保持寄存器 short类型
// boolean t04 = writeRegisters(1, 0, new short[] { -3, 3, 9 });
// System.out.println("t04:" + t04);
//写入单个保持寄存器 类型自定义
writeHoldingRegister(1,0, 10.1f, DataType.FOUR_BYTE_FLOAT);
} catch (Exception e) {
e.printStackTrace();
}
}
}