95 lines
3.7 KiB
C#
95 lines
3.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Web;
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using System.Web.Mvc;
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using Modbus.Net;
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using Modbus.Net.Modbus;
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using TaskManager.Models;
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namespace TaskManager.Controllers
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{
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public class HomeController : Controller
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{
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private static IEnumerable<TaskViewModel> values = new List<TaskViewModel>();
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private static Modbus.Net.TaskManager task;
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public ActionResult Index()
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{
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if (task == null)
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{
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StartTask();
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}
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return View(values.ToList());
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}
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private void StartTask()
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{
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//增加需要通信的PLC地址
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List<AddressUnit> addressUnits = new List<AddressUnit>
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{
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new AddressUnit() {Id = "d0", Name="Variable 1", Area = "4X", Address = 1, CommunicationTag = "D1", DataType = typeof (ushort)},
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new AddressUnit() {Id = "d1", Name="Variable 2", Area = "4X", Address = 2, CommunicationTag = "D2", DataType = typeof (ushort)},
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new AddressUnit() {Id = "d2", Name="Variable 3", Area = "4X", Address = 3, CommunicationTag = "D3", DataType = typeof (ushort)},
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new AddressUnit() {Id = "d3", Name="Variable 4", Area = "4X", Address = 4, CommunicationTag = "D4", DataType = typeof (ushort)},
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};
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values = from unitValue in addressUnits
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select
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new TaskViewModel()
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{
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Id = unitValue.Id,
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Name = unitValue.Name,
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Address = unitValue.Address.ToString(),
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Value = 0,
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Type = unitValue.DataType.Name
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};
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//初始化任务管理器
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task = new Modbus.Net.TaskManager(10, 300, true);
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//向任务管理器中添加设备
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task.AddMachine(new ModbusMachine(ModbusType.Tcp, "192.168.3.10", addressUnits,
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true, 2, 0));
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//增加值返回时的处理函数
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task.ReturnValues += (returnValues) =>
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{
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//唯一的参数包含返回值，是一个唯一标识符（machine的第二个参数），返回值（类型ReturnUnit）的键值对。
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if (returnValues.ReturnValues != null)
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{
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lock (values)
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{
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var unitValues = from val in returnValues.ReturnValues select new Tuple<AddressUnit, double?>(addressUnits.FirstOrDefault(p => p.CommunicationTag == val.Key), val.Value.PlcValue);
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values = from unitValue in unitValues
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select
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new TaskViewModel()
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{
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Id = unitValue.Item1.Id,
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Name = unitValue.Item1.Name,
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Address = unitValue.Item1.Address.ToString(),
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Value = unitValue.Item2 ?? 0,
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Type = unitValue.Item1.DataType.Name
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};
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}
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}
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else
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{
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Console.WriteLine($"ip {returnValues.MachineId} not return value");
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}
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};
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//启动任务
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task.TaskStart();
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}
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[HttpGet]
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public JsonResult Get()
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{
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List<TaskViewModel> ans;
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lock (values)
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{
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ans = values.ToList();
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}
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return Json(ans, JsonRequestBehavior.AllowGet);
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}
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}
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} |