using HH.WCS.Mobox3.pinggao.api;
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using Newtonsoft.Json.Linq;
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using S7.Net;
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using S7.Net.Types;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Web.Services.Description;
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namespace HH.WCS.Mobox3.pinggao.device {
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/// <summary>
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/// 西门子plc
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/// </summary>
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public class S7Helper {
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private static bool debug = true;
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private static S7.Net.Plc plc = null;
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static S7Helper() {
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Init();
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}
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private static Dictionary<string, Plc> plcDic = new Dictionary<string, Plc>();
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private static void Init() {
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//配置文件读取所有的plc进行初始化
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try {
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var plc1 = new Plc(CpuType.S71500, "", 0, 1);
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plcDic.Add("plc1", plc1);
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Link(plc1);
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}
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catch (Exception ex) {
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Console.WriteLine("S7Helper Init err=" + ex.Message);
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}
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}
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private static Plc GetPlc(string plc) {
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if (plcDic.ContainsKey(plc)) {
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return plcDic[plc];
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}
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else {
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return null;
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}
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}
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public static Dictionary<string, string> s7TestData = new Dictionary<string, string>();
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private static void Link(Plc plc) {
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try {
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//if (!plc.IsConnected) {
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plc.Close();
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plc.Open();
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if (plc.IsConnected) {
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Console.WriteLine($"已连接到plc{plc.IP}");
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}
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else {
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Console.WriteLine($"plc{plc.IP}连接失败");
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LogHelper.Info($"plc{plc.IP}连接失败", "Plc");
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}
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//}
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}
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catch (Exception ex) {
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Console.WriteLine($"plc{plc.IP}连接失败，err={ex.Message}");
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LogHelper.Info($"plc{plc.IP}连接失败，err={ex.Message}");
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//Init();
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}
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}
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//https://www.ad.siemens.com.cn/productportal/Prods/S7-1200_PLC_EASY_PLUS/SmartSMS/060.html
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//https://www.ad.siemens.com.cn/productportal/Prods/S7-1200_PLC_EASY_PLUS/07-Program/02-basic/01-Data_Type/09-String.html
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internal static short[] ReadInt(string device, int db, int byteAddr, int count) {
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short[] result = null;
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try {
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if (debug) {
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var s7Key = $"int_{db}_{byteAddr}_{count}";
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if (s7TestData.ContainsKey(s7Key)) {
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var data = s7TestData[s7Key].Split(',');
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if (data.Length == count) {
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result = Array.ConvertAll(data, s => short.Parse(s));
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}
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else {
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result = new short[count];
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s7TestData[s7Key] = string.Join(",", result);
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}
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Console.WriteLine($"读取plc {device}信息成功， addr={byteAddr} data={string.Join(",", result)}");
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}
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}
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else {
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var plc = GetPlc(device);
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if (plc != null) {
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if (plc.IsConnected) {
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result = (short[])plc.Read(DataType.DataBlock, db, byteAddr, VarType.Int, count, 0);
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Console.WriteLine($"读取plc {device}信息成功，ip={plc.IP} addr={byteAddr} data={string.Join(",", result)}");
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if (result.Length == 0) {
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Console.WriteLine($"plc {device}准备重新连接");
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Link(plc);
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}
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}
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else {
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Console.WriteLine($"准备连接plc {device}");
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Link(plc);
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}
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}
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else {
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Console.WriteLine($"plc {device}不存在");
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}
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}
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}
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catch (Exception ex) {
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Console.WriteLine($"ReadInt，device={device} addr={byteAddr} count={count} err={ex.Message}");
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LogHelper.Error($"ReadInt，device={device} addr={byteAddr} count={count} err={ex.Message}", ex);
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}
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return result;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="db"></param>
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/// <param name="byteAddr"></param>
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/// <param name="data"></param>
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/// <returns></returns>
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internal static bool WriteInt(int db, int byteAddr, short data) {
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var result = false;
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try {
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if (plc.IsConnected) {
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plc.Write(DataType.DataBlock, db, byteAddr, data);
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Console.WriteLine($"写入plc信息，ip={plc.IP} addr={byteAddr} data={data} ");
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LogHelper.Info($"写入plc信息，ip={plc.IP} addr={byteAddr} data={data} ");
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if (result) {
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//写完再读一次确认
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var readData = (short)plc.Read(DataType.DataBlock, db, byteAddr, VarType.Int, 1, 0);
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Console.WriteLine($"读取plc信息，ip={plc.IP} addr={byteAddr} data={data} res={string.Join(", ", readData)}");
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LogHelper.Info($"读取plc信息，ip={plc.IP} addr={byteAddr} data={data} res={string.Join(", ", readData)}", "PLC");
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result = readData == data;
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}
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}
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else {
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Console.WriteLine("准备连接plc1");
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Link(plc);
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}
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}
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catch (Exception ex) {
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LogHelper.Error($"写入plc1信息失败，ip={plc.IP} addr={byteAddr} data={data} err={ex.Message}", ex);
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}
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return result;
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}
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public static object ReadBit(string device, int db, int byteAddr, byte bitAddr) {
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object result = null;
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try {
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if (debug) {
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var s7Key = $"bit_{db}_{byteAddr}_{bitAddr}";
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if (s7TestData.ContainsKey(s7Key)) {
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var data = s7TestData[s7Key];
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if (data == "1") {
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result = true;
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}
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else { result = false; }
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Console.WriteLine($"读取plc {device}信息成功， addr={byteAddr} data={result.ToString()}");
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}
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}
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else {
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var plc = GetPlc(device);
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if (plc != null) {
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if (plc.IsConnected) {
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result = plc.Read(DataType.DataBlock, db, byteAddr, VarType.Int, 1, bitAddr);
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Console.WriteLine($"读取plc {device}信息成功，ip={plc.IP} addr={byteAddr} data={result.ToString()}");
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}
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else {
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Console.WriteLine($"准备连接plc {device}");
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Link(plc);
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}
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}
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else {
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Console.WriteLine($"plc {device}不存在");
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}
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}
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}
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catch (Exception ex) {
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Console.WriteLine($"ReadBit，device={device} addr={byteAddr} bit={bitAddr} err={ex.Message}");
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LogHelper.Error($"ReadBit，device={device} addr={byteAddr} bit={bitAddr} err={ex.Message}", ex);
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}
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return result;
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}
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public static string ReadStr(string device, int db, int byteAddr, int count) {
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string result = string.Empty;
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try {
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if (debug) {
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var s7Key = $"str_{db}_{byteAddr}_{count}";
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if (s7TestData.ContainsKey(s7Key)) {
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var data = s7TestData[s7Key];
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if (data.Length == count) {
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result = data;
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Console.WriteLine($"ReadStr 成功， addr={byteAddr} res={result}");
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}
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}
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}
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else {
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if (plc.IsConnected) {
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result = plc.Read(DataType.DataBlock, 100, byteAddr, VarType.String, count, 0).ToString();
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Console.WriteLine($"ReadStr 成功，ip={plc.IP} addr={byteAddr} res={result}");
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if (result.Length == 0) {
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Link(plc);
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}
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}
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else {
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Console.WriteLine("准备连接plc");
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Link(plc);
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}
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}
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}
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catch (Exception ex) {
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Console.WriteLine($"ReadStr，device={device} addr={byteAddr} count={count} err={ex.Message}");
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LogHelper.Error($"ReadStr，device={device} addr={byteAddr} count={count} err={ex.Message}", ex);
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}
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return result;
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}
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#region 用于模拟测试
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/// <summary>
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/// short类型，一个占2个byte
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/// </summary>
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public class DBWModel {
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public int db { get; set; }
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public int byteAddr { get; set; }
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/// <summary>
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/// int类型需要用逗号分开，string不需要
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/// </summary>
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public string value { get; set; }
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}
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/// <summary>
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/// 字符串类型，一个占1个byte
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/// </summary>
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public class DBBModel {
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public int db { get; set; }
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public int byteAddr { get; set; }
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public string value { get; set; }
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}
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public class DBXModel {
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public int db { get; set; }
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public int byteAddr { get; set; }
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public int bitAddr { get; set; }
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/// <summary>
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/// 1:true 0:false
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/// </summary>
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public int value { get; set; }
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}
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public static void s7SetInt(DBWModel model) {
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var data = model.value.Replace(",", "");
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var s7Key = $"int_{model.db}_{model.byteAddr}_{data.Length}";
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if (s7TestData.ContainsKey(s7Key)) {
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s7TestData[s7Key] = model.value;
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}
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else {
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s7TestData.Add(s7Key, model.value);
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}
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}
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internal static void s7SetBit(DBXModel model) {
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var s7Key = $"bit_{model.db}_{model.byteAddr}_{model.bitAddr}";
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var value = model.value == 1 ? "1" : "0";
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if (s7TestData.ContainsKey(s7Key)) {
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s7TestData[s7Key] = value;
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}
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else {
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s7TestData.Add(s7Key, value);
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}
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}
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internal static void s7SetStr(DBBModel model) {
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var s7Key = $"str_{model.db}_{model.byteAddr}_{model.value.Length}";
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if (s7TestData.ContainsKey(s7Key)) {
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s7TestData[s7Key] = model.value;
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}
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else {
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s7TestData.Add(s7Key, model.value);
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}
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}
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}
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#endregion
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}
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