package com.example.springboot.component;
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import java.util.ArrayList;
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import java.util.List;
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import com.github.xingshuangs.iot.protocol.s7.enums.EPlcType;
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import com.github.xingshuangs.iot.protocol.s7.service.MultiAddressWrite;
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import com.github.xingshuangs.iot.protocol.s7.service.S7PLC;
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public class S7control {
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S7PLC s7PLC; // PLC通讯类实例
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private EPlcType plcType = EPlcType.S1200; // 西门子PLC类型
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private String ip = "127.0.0.1"; // plc ip地址
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private int port = 21; // plc 端口号
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private static volatile S7control instance = null;
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private S7control() {
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if (s7PLC == null)
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s7PLC = new S7PLC(plcType, ip, port);
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}
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// 单例模式 获取类的唯一实例
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public static S7control getinstance() {
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if (instance == null) {
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synchronized (S7control.class) {
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if (instance == null)
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instance = new S7control();
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}
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}
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return instance;
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}
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/**
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* 关闭西门子s7通讯连接
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*/
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public void CloseS7client() {
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if (s7PLC == null)
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s7PLC.close();
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}
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/**
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* 按指定的地址 写入一个word
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*
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* @param address 地址
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* @param data word的值
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*/
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public void WriteWord(String address, short data) {
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if (!s7PLC.checkConnected())
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return;
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s7PLC.writeInt16(address, data);
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}
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/**
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* 从某地址连续 写入多个word
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*
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* @param address 地址
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* @param datas word的值
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*/
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public void WriteWord(String address, List<Short> datas) {
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if (!s7PLC.checkConnected())
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return;
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// s7PLC.write(address, data);
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List<String> addresslist = GetAddressList(address, datas.size(), 16);
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MultiAddressWrite addressWrite = new MultiAddressWrite();
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for (int i = 0; i < datas.size(); i++) {
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addressWrite.addInt16(addresslist.get(i), datas.get(i));
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}
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s7PLC.writeMultiData(addressWrite);
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}
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/**
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* 按指定的地址 写入多个word
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*
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* @param address 地址
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* @param datas word的值
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*/
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public void WriteWord(List<String> address, List<Short> datas) {
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if (!s7PLC.checkConnected())
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return;
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// s7PLC.write(address, data);
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MultiAddressWrite addressWrite = new MultiAddressWrite();
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for (int i = 0; i < address.size(); i++) {
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addressWrite.addInt16(address.get(i), datas.get(i));
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}
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s7PLC.writeMultiData(addressWrite);
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}
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/**
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* 按指定的地址 写入一个Bit
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*
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* @param address 地址
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* @param data Bit的值
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*/
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public void WriteBit(String address, Boolean data) {
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if (!s7PLC.checkConnected())
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return;
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s7PLC.writeBoolean(address, data);
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}
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/**
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* 按指定的地址 写入多个bit
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*
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* @param address 地址
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* @param datas bit的值
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*/
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public void WriteBit(List<String> address, List<Boolean> datas) {
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if (!s7PLC.checkConnected())
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return;
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// s7PLC.write(address, data);
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MultiAddressWrite addressWrite = new MultiAddressWrite();
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for (int i = 0; i < address.size(); i++) {
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addressWrite.addBoolean(address.get(i), datas.get(i));
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}
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s7PLC.writeMultiData(addressWrite);
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}
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/**
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* 从某地址连续 写入多个bit
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*
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* @param address 地址
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* @param datas word的值
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*/
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public void WriteBit(String address, List<Boolean> datas) {
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if (!s7PLC.checkConnected())
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return;
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// s7PLC.write(address, data);
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List<String> addresslist = GetAddressList(address, datas.size(), 1);
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MultiAddressWrite addressWrite = new MultiAddressWrite();
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for (int i = 0; i < datas.size(); i++) {
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addressWrite.addBoolean(addresslist.get(i), datas.get(i));
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}
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s7PLC.writeMultiData(addressWrite);
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}
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/**
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* 按指定的地址 读取word结果集
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*
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* @param address 地址
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* @return 结果
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*/
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public List<Short> ReadWord(List<String> address) {
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if (!s7PLC.checkConnected())
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return null;
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return s7PLC.readInt16(address);
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}
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/**
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* 按指定的地址 读取word结果集
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*
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* @param address 地址
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* @param count 连续读多少个word
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* @return 结果
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*/
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public List<Short> ReadWord(String address, int count) {
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if (!s7PLC.checkConnected())
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return null;
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List<String> addresslist = GetAddressList(address, count, 16);
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return s7PLC.readInt16(addresslist);
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}
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/**
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* 按指定的地址 按bit位 0 flase 1 true 读取结果
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*
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* @param addresslist 地址集
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* @return Boolean结果
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*/
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public List<Boolean> ReadBits(List<String> addresslist) {
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if (!s7PLC.checkConnected())
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return null;
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return s7PLC.readBoolean(addresslist);
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}
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/**
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* 从指定的地址开始 连续按bit位读取
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*
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* @param address 地址
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* @param count 长度
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* @return Boolean结果
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*/
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public List<Boolean> ReadBits(String address, int count) {
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if (!s7PLC.checkConnected())
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return null;
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List<String> addresslist = GetAddressList(address, count, 1);
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return s7PLC.readBoolean(addresslist);
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}
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private List<String> GetAddressList(String address, int count, int addedbit) {
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List<String> addresslist = new ArrayList<>();
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String[] stringdatas = address.split(".");
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if (stringdatas.length < 2 || !address.startsWith("DB"))
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return null;
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int dbwindex = 0;
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int bitindex = 0;
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if (stringdatas.length == 2) {
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dbwindex = Integer.parseInt(stringdatas[1]);
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} else if (stringdatas.length == 3) {
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bitindex = Integer.parseInt(stringdatas[2]);
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} else
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return null;
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for (int i = 0; i < count; i++) {
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int bitcurrent = bitindex + addedbit;
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if (bitcurrent > 7) {
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dbwindex += bitcurrent / 8;
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bitindex = 0;
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} else
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bitindex = bitcurrent;
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addresslist.add(stringdatas[0] + "." + dbwindex + "." + bitindex);
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}
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return addresslist;
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}
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}
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