package com.ld.igds.protocol.modbus;
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import com.serotonin.modbus4j.ModbusMaster;
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import com.serotonin.modbus4j.exception.ModbusInitException;
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import com.serotonin.modbus4j.exception.ModbusTransportException;
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import com.serotonin.modbus4j.msg.ReadCoilsRequest;
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import com.serotonin.modbus4j.msg.ReadCoilsResponse;
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import com.serotonin.modbus4j.msg.ReadDiscreteInputsRequest;
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import com.serotonin.modbus4j.msg.ReadDiscreteInputsResponse;
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import com.serotonin.modbus4j.msg.ReadHoldingRegistersRequest;
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import com.serotonin.modbus4j.msg.ReadHoldingRegistersResponse;
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import com.serotonin.modbus4j.msg.ReadInputRegistersRequest;
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import com.serotonin.modbus4j.msg.ReadInputRegistersResponse;
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import com.serotonin.modbus4j.msg.WriteCoilRequest;
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import com.serotonin.modbus4j.msg.WriteCoilResponse;
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import com.serotonin.modbus4j.msg.WriteCoilsRequest;
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import com.serotonin.modbus4j.msg.WriteCoilsResponse;
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import com.serotonin.modbus4j.msg.WriteRegisterRequest;
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import com.serotonin.modbus4j.msg.WriteRegisterResponse;
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import com.serotonin.modbus4j.msg.WriteRegistersRequest;
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import com.serotonin.modbus4j.msg.WriteRegistersResponse;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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/**
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* @Desc: 工具类
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* @author: Andy
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* @update-time: 2023/8/11
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*/
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@Component
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public class ModbusUtil {
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//从机默认值
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private Integer slaveId = 1;
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@Autowired
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private ModbusConfig modbusConfig;
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public boolean[] readCoilStatus(String ip, int port, int offset, int numberOfRegister) throws ModbusTransportException {
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ModbusMaster master = modbusConfig.getMaster(ip, port);
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ReadCoilsRequest request = new ReadCoilsRequest(slaveId, offset, numberOfRegister);
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ReadCoilsResponse response = (ReadCoilsResponse) master.send(request);
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boolean[] booleans = response.getBooleanData();
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return valueRegroup(numberOfRegister, booleans);
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}
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/**
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* @Description: 读取外围设备输入的开关量，相当于功能码：02H-读离散输入状态
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* @Param: [ip, offset, numberOfRegister]
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* @return: boolean[]
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* @throws:
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* @Author: Ricardo.Liu
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* @Date: 2020/5/8
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*/
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public boolean[] readInputStatus(String ip, int port, int offset, int numberOfRegister) throws ModbusTransportException {
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ModbusMaster master = modbusConfig.getMaster(ip, port);
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ReadDiscreteInputsRequest request = new ReadDiscreteInputsRequest(slaveId, offset, numberOfRegister);
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ReadDiscreteInputsResponse response = (ReadDiscreteInputsResponse) master.send(request);
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boolean[] booleans = response.getBooleanData();
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return valueRegroup(numberOfRegister, booleans);
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}
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/**
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* @Description: 读取保持寄存器数据，相当于功能码：03H-读保持寄存器
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* @Param: [ip, offset, numberOfRegister]
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* @return: short[]
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* @throws:
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* @Author: Ricardo.Liu
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* @Date: 2020/5/8
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*/
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public short[] readHoldingRegister(String ip, int port, int offset, int numberOfRegister) throws ModbusTransportException {
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ModbusMaster master = modbusConfig.getMaster(ip, port);
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ReadHoldingRegistersRequest request = new ReadHoldingRegistersRequest(slaveId, offset, numberOfRegister);
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ReadHoldingRegistersResponse response = (ReadHoldingRegistersResponse) master.send(request);
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return response.getShortData();
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}
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/**
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* @Description: 读取外围设备输入的数据，相当于功能码：04H-读输入寄存器
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* @Param: [ip, offset, numberOfRegister]
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* @return: short[]
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* @throws:
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* @Author: Ricardo.Liu
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* @Date: 2020/5/8
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*/
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public short[] readInputRegisters(String ip, int port, int offset, int numberOfRegister) throws ModbusTransportException {
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ModbusMaster master = modbusConfig.getMaster(ip, port);
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ReadInputRegistersRequest request = new ReadInputRegistersRequest(slaveId, offset, numberOfRegister);
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ReadInputRegistersResponse response = (ReadInputRegistersResponse) master.send(request);
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return response.getShortData();
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}
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/**
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* @Description: 写单个（线圈）开关量数据，相当于功能码：05H-写单个线圈
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* @Param: [ip, writeOffset, writeValue]
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* @return: boolean
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* @throws:
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* @Author: Ricardo.Liu
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* @Date: 2020/5/8
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*/
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public boolean writeCoil(String ip, int port, int writeOffset, boolean writeValue) throws ModbusTransportException {
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ModbusMaster tcpMaster = modbusConfig.getMaster(ip, port);
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WriteCoilRequest request = new WriteCoilRequest(slaveId, writeOffset, writeValue);
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WriteCoilResponse response = (WriteCoilResponse) tcpMaster.send(request);
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return !response.isException();
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}
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/**
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* @Description: 写多个开关量数据（线圈），相当于功能码：0FH-写多个线圈
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* @Param: [ip, startOffset, data]
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* @return: boolean
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* @throws:
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* @Author: Ricardo.Liu
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* @Date: 2020/5/8
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*/
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public boolean writeCoils(String ip, int port, int startOffset, boolean[] data) throws ModbusTransportException {
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ModbusMaster tcpMaster = modbusConfig.getMaster(ip, port);
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WriteCoilsRequest request = new WriteCoilsRequest(slaveId, startOffset, data);
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WriteCoilsResponse response = (WriteCoilsResponse) tcpMaster.send(request);
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return !response.isException();
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}
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/**
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* @Description: 写单个保持寄存器，相当于功能码：06H-写单个保持寄存器
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* @Param: [ip, writeOffset, writeValue]
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* @return: boolean
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* @throws:
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* @Author: Ricardo.Liu
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* @Date: 2020/5/8
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*/
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public boolean writeHoldingRegister(String ip, int port,int writeOffset, short writeValue) throws ModbusTransportException, ModbusInitException {
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ModbusMaster tcpMaster = modbusConfig.getMaster(ip, port);
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WriteRegisterRequest request = new WriteRegisterRequest(slaveId, writeOffset, writeValue);
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WriteRegisterResponse response = (WriteRegisterResponse) tcpMaster.send(request);
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return !response.isException();
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}
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/**
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* @Description: 写多个保持寄存器，相当于功能码：10H-写多个保持寄存器
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* @Param: [ip, startOffset, data]
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* @return: boolean
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* @throws:
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* @Author: Ricardo.Liu
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* @Date: 2020/5/8
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*/
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public boolean writeHoldingRegisters(String ip,int port, int startOffset, short[] data) throws ModbusTransportException, ModbusInitException {
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ModbusMaster tcpMaster = modbusConfig.getMaster(ip, port);
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WriteRegistersRequest request = new WriteRegistersRequest(slaveId, startOffset, data);
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WriteRegistersResponse response = (WriteRegistersResponse) tcpMaster.send(request);
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return !response.isException();
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}
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/**
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* @Description: 转换工具，将Boolean转换成0，1
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* @Param: [numberOfBits, values]
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* @return: boolean[]
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* @throws:
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* @Author: Ricardo.Liu
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* @Date: 2020/5/8
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*/
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private boolean[] valueRegroup(int numberOfBits, boolean[] values) {
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boolean[] bs = new boolean[numberOfBits];
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int temp = 1;
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for (boolean b : values) {
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bs[temp - 1] = b;
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temp++;
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if (temp > numberOfBits) {
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break;
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}
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}
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return bs;
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}
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}
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