package com.ld.igds.protocol.modbus;
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import com.serotonin.modbus4j.ModbusFactory;
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import com.serotonin.modbus4j.ModbusMaster;
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import com.serotonin.modbus4j.exception.ErrorResponseException;
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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.ip.IpParameters;
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import com.serotonin.modbus4j.locator.BaseLocator;
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import com.serotonin.modbus4j.msg.*;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Component;
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import java.util.HashMap;
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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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@Slf4j
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public class ModbusUtil2 {
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//从机默认值
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private static Integer slaveId = 1;
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private static HashMap<String, ModbusMaster> masterMap = new HashMap<>();
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/**
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* 工厂
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*/
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static ModbusFactory modbusFactory;
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//static ModbusMaster modbusMaster;
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static {
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if (modbusFactory == null) {
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modbusFactory = new ModbusFactory();
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}
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}
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/**
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* 获取master
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*
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* @return
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*/
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public static ModbusMaster getMaster(String ip, int port) throws ModbusInitException {
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String key = ip;
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ModbusMaster modbusMaster = masterMap.get(key);
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if (modbusMaster == null || !modbusMaster.isConnected()) {
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IpParameters ipParameters = new IpParameters();
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ipParameters.setHost(ip);
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ipParameters.setPort(port);
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modbusMaster = modbusFactory.createTcpMaster(ipParameters, true);
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modbusMaster.init();
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masterMap.put(key, modbusMaster);
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return modbusMaster;
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}
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return modbusMaster;
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}
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/**
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* 读取线圈开关状态数据 0x01
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*
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* @param offset
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* @return
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* @throws ModbusInitException
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* @throws ModbusTransportException
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* @throws ErrorResponseException
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*/
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public static Boolean readCoilStatus(String ip, int port, int offset) throws ModbusInitException, ModbusTransportException, ErrorResponseException {
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BaseLocator<Boolean> coilStatus = BaseLocator.coilStatus(slaveId, offset);
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Boolean res = getMaster(ip, port).getValue(coilStatus);
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return res;
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}
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/**
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* 读离散输入寄存器状态数据 0x02
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*
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* @param offset
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* @return
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* @throws ModbusInitException
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* @throws ModbusTransportException
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* @throws ErrorResponseException
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*/
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public static Boolean readInputStatus(String ip, int port, int offset) throws ModbusInitException, ModbusTransportException, ErrorResponseException {
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BaseLocator<Boolean> inputStatus = BaseLocator.inputStatus(slaveId, offset);
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Boolean res = getMaster(ip, port).getValue(inputStatus);
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return res;
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}
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/**
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* 读保持寄存器数据 0x03
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*
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* @param offset
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* @param dataType
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* @return
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* @throws ModbusInitException
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* @throws ModbusTransportException
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* @throws ErrorResponseException
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*/
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public static Number readHoldingRegister(String ip, int port, int offset, int dataType) throws ModbusInitException, ModbusTransportException, ErrorResponseException {
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BaseLocator<Number> holdingRegister = BaseLocator.holdingRegister(slaveId, offset, dataType);
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Number value = getMaster(ip, port).getValue(holdingRegister);
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return value;
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}
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/**
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* 读输入寄存器数据 0x04
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*
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* @param offset
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* @param dataType
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* @return
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* @throws ModbusInitException
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* @throws ModbusTransportException
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* @throws ErrorResponseException
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*/
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public static Number readInputRegister(String ip, int port, int offset, int dataType) throws ModbusInitException, ModbusTransportException, ErrorResponseException {
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BaseLocator<Number> inputRegister = BaseLocator.inputRegister(slaveId, offset, dataType);
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Number value = getMaster(ip, port).getValue(inputRegister);
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return value;
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}
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/**
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* 写线圈开关状态数据 0x05
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*
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* @param offset
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* @param status
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* @return
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* @throws ModbusTransportException
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* @throws ModbusInitException
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*/
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public static Boolean writeCoilStatus(String ip, int port, int offset, boolean status) throws ModbusTransportException, ModbusInitException {
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boolean coilValue = status;
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WriteCoilRequest coilRequest = new WriteCoilRequest(slaveId, offset, coilValue);
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WriteCoilResponse coilResponse = (WriteCoilResponse) getMaster(ip, port).send(coilRequest);
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return !coilResponse.isException();
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}
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/**
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* 写单个保持寄存器数据 0x06
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*
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* @param offset
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* @param value
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* @return
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* @throws ModbusTransportException
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* @throws ModbusInitException
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*/
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public static Boolean writeRegister(String ip, int port, int offset, int value) throws ModbusTransportException, ModbusInitException {
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WriteRegisterRequest registerRequest = new WriteRegisterRequest(slaveId, offset, value);
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WriteRegisterResponse registerResponse = (WriteRegisterResponse) getMaster(ip, port).send(registerRequest);
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return !registerResponse.isException();
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}
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/**
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* 写线圈开关状态数据【多】 0x0f
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*
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* @param offset
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* @param booleans
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* @return
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* @throws ModbusTransportException
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* @throws ModbusInitException
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*/
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public static Boolean writeCoils(String ip, int port, int offset, boolean[] booleans) throws ModbusTransportException, ModbusInitException {
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WriteCoilsRequest writeCoils = new WriteCoilsRequest(slaveId, offset, booleans);
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WriteCoilsResponse coilsResponse = (WriteCoilsResponse) getMaster(ip, port).send(writeCoils);
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return !coilsResponse.isException();
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}
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/**
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* 写保存寄存器数据【多】 0x10
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*
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* @param offset
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* @param nums
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* @return
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* @throws ModbusTransportException
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* @throws ModbusInitException
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*/
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public static Boolean writeRegisters(String ip, int port, int offset, short[] nums) throws ModbusTransportException, ModbusInitException {
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WriteRegistersRequest writeRegisters = new WriteRegistersRequest(slaveId, offset, nums);
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WriteRegistersResponse registersResponse = (WriteRegistersResponse) getMaster(ip, port).send(writeRegisters);
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return !registersResponse.isException();
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}
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}
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