99 lines
3.4 KiB
C#
99 lines
3.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.IO.Ports;
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using System.Linq;
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using System.Runtime.Remoting.Messaging;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Gidrolock_Modbus_Scanner
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{
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public partial class Datasheet : Form
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{
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int timeout = 3000;
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int pollDelay = 250; // delay between each entry poll, ms
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byte slaveID;
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Device device = App.device;
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List<Entry> entries;
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SerialPort port = App.port;
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public Datasheet(byte slaveID)
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{
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this.slaveID = slaveID;
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entries = device.entries;
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InitializeComponent();
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DGV_Device.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
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DGV_Device.MultiSelect = false;
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DGV_Device.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders;
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DGV_Device.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
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DGV_Device.Columns.Add("#", "#");
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DGV_Device.Columns[0].FillWeight = 20;
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DGV_Device.Columns.Add("Name", "Имя");
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DGV_Device.Columns[1].FillWeight = 40;
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DGV_Device.Columns.Add("Value", "Значение");
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DGV_Device.Columns[2].FillWeight = 60;
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DGV_Device.Columns.Add("Address", "Адрес");
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DGV_Device.Columns[3].FillWeight = 30;
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DGV_Device.Columns.Add(new DataGridViewCheckBoxColumn());
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DGV_Device.Columns[4].Name = "Опрос";
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DGV_Device.Columns[4].FillWeight = 20;
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for (int i = 0; i < entries.Count; i++)
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{
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DGV_Device.Rows.Add(i.ToString(), entries[i].name, "", entries[i].address);
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}
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Task.Delay(1000).ContinueWith(_ => AutoPollAsync());
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}
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public async Task<bool> AutoPollAsync()
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{
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port.Open();
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while (true)
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{
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for (int i = 0; i < entries.Count; i++)
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{
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if ((bool)DGV_Device.Rows[i].Cells[4].Value)
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{
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DGV_Device.Rows[i].Cells[2].Value = await PollForEntry(entries[i]);
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await Task.Delay(pollDelay);
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}
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}
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}
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}
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public async Task<string> PollForEntry(Entry entry)
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{
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byte[] result = new byte[] { 0xFF };
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try
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{
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await Modbus.ReadRegAsync(port, slaveID, (FunctionCode)entry.registerType, entry.address, entry.length);
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var task = Task.Delay(10).ContinueWith(_ =>
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{
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result = new byte[port.BytesToRead];
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port.Read(result, 0, port.BytesToRead);
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});
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if (await Task.WhenAny(Task.Delay(timeout + 10), task) == task)
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{
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if (result.Length > 5)
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{
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return Modbus.ByteArrayToString(result);
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}
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else return "N/A";
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}
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else return "N/A";
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}
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catch (Exception err)
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{
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MessageBox.Show(err.Message);
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return "N/A";
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}
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}
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}
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} |