firmware test

2025-02-28 18:00:17 +03:00
parent e9f3a8d350
commit 80bf64b7d5
6 changed files with 257 additions and 12 deletions
--- a/Update.cs
+++ b/Update.cs
@@ -0,0 +1,83 @@
+using Gidrolock_Modbus_Scanner;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.IO.Ports;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Gidrolock_Modbus_Configurator
+{
+    public class Update
+    {
+        bool isAwaitingResponse = false;
+        ModbusResponseEventArgs latestMessage;
+        SerialPort port = Modbus.port;
+
+        public void UpdateFirmware(Stream fileStream)
+        {
+            Modbus.ResponseReceived += (sndr, msg) => { isAwaitingResponse = false; latestMessage = msg; };
+            int offset = 0;
+            byte[] buffer;
+            byte[] preCRC;
+            byte[] message;
+            byte[] CRC = new byte[2];
+
+            long bytesLeft = fileStream.Length;
+            
+            while (bytesLeft > 0)
+            {
+                int count = bytesLeft > 64 ? 64 : (int)bytesLeft;
+                buffer = new byte[count];
+
+                fileStream.Read(buffer, offset, count);
+
+                preCRC = new byte[7 + buffer.Length];
+
+                preCRC[0] = 0x1E; // Modbus ID
+                preCRC[1] = 0x10; // Function code
+                preCRC[2] = 0xFF; // Address 01
+                preCRC[3] = 0xFF; // Address 02
+                preCRC[4] = 0x00; // Cnt01
+                preCRC[5] = 0x21; // Cnt02
+                preCRC[6] = 0x42; // byte count
+
+                for (int i = 0; i < count; i++)
+                {
+                    preCRC[i+7] = buffer[i];
+                }
+                Modbus.GetCRC(preCRC, ref CRC);
+                message = new byte[preCRC.Length + 2];
+
+                for (int i = 0; i < preCRC.Length; i++)
+                {
+                    message[i] = preCRC[i];
+                }
+                message[message.Length - 2] = CRC[0];
+                message[message.Length - 1] = CRC[1];
+
+                isAwaitingResponse = true;
+                port.Write(message, 0, message.Length);
+
+                var delay = Task.Delay(2000).ContinueWith(_ =>
+                {
+                    if (isAwaitingResponse)
+                    {
+                        MessageBox.Show("Превышено время ожидания ответа от устройства.");
+                        isAwaitingResponse = false;
+                    }
+                });
+                while (isAwaitingResponse) { continue; }
+
+                if (latestMessage != null && latestMessage.Status != ModbusStatus.Error)
+                {
+                    bytesLeft -= count;
+                    offset += count;
+                }                
+            }
+        }
+    }
+}