HJ212 Length Limit

Modbus.Net/Modbus.Net.HJ212/HJ212Controller.cs

@@ -1,6 +1,6 @@
 namespace Modbus.Net.HJ212
 {
-    public class HJ212Controller : FifoController
+    public class HJ212Controller : NoResponseController
     {
         public HJ212Controller(string ip, int port) : base(int.Parse(ConfigurationReader.GetValue("TCP:" + ip + ":" + port, "FetchSleepTime")))
         {

Modbus.Net/Modbus.Net.HJ212/HJ212ProtocolLinker.cs

@@ -1,4 +1,10 @@
-namespace Modbus.Net.HJ212
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Modbus.Net.HJ212
 {
     /// <summary>
     ///     HJ212协议连接器
@@ -9,6 +15,45 @@
         {
         }
 
+        public override async Task<byte[]> SendReceiveAsync(byte[] content)
+        {
+            if (content.Length <= 1000)
+                return await base.SendReceiveAsync(content);
+            else
+            {
+                string contentString = Encoding.ASCII.GetString(content);
+                string[] formats = { "yyyyMMddHHmmssffff", "yyyyMMddHHmmssfff", "yyyyMMddHHmmss" };
+                DateTime startTime = DateTime.ParseExact(contentString.Substring(3, 18), formats, CultureInfo.InvariantCulture, DateTimeStyles.None);
+                int dataStartIdx = contentString.IndexOf("&&") + 2;
+                string head = contentString.Substring(0, dataStartIdx).Substring(21);
+                string[] contentUnitAll = contentString.Substring(dataStartIdx).Split(';')[1].Split(',');
+                List<string> contentSplitAll = new List<string>();
+                string newContent = "DataTime=" + startTime.ToString("yyyyMMddHHmmss") + ";";
+                foreach (var contentUnit in contentUnitAll)
+                {
+                    if (newContent.Length + contentUnit.Length > 1000 - dataStartIdx)
+                    {
+                        contentSplitAll.Add("QN=" + startTime.ToString("yyyyMMddHHmmssffff") + head + newContent[..^1]);
+                        startTime = startTime.AddSeconds(1);
+                        newContent = "DataTime=" + startTime.ToString("yyyyMMddHHmmss") + ";" + contentUnit + ",";
+                    }
+                    else
+                    {
+                        newContent += contentUnit + ",";
+                    }
+                }
+                contentSplitAll.Add("QN=" + startTime.ToString("yyyyMMddHHmmssffff") + head + newContent[..^1]);
+                var receiveBytesAll = new List<byte>();
+                foreach (var contentSplit in contentSplitAll)
+                {
+                    var extBytes = BytesExtend(Encoding.ASCII.GetBytes(contentSplit));
+                    var receiveBytes = await SendReceiveWithoutExtAndDecAsync(extBytes);
+                    receiveBytesAll.AddRange(receiveBytes == null ? null : receiveBytes.Length == 0 ? receiveBytes : BytesDecact(receiveBytes));
+                }
+                return receiveBytesAll.ToArray();
+            }
+        }
+
         /// <summary>
         ///     检查接收的数据是否正确
         /// </summary>

Modbus.Net/Modbus.Net.HJ212/HJ212Utility.cs

@@ -33,14 +33,14 @@ namespace Modbus.Net.HJ212
             {
                 var writeRequestHJ212InputStruct =
                     new WriteRequestHJ212InputStruct((string)setContents[0], (string)setContents[1], (string)setContents[2], (string)setContents[3], (List<Dictionary<string, string>>)setContents[4], (DateTime)setContents[5]);
-                var writeRequestOpcOutputStruct =
+                var writeRequestHJ212OutputStruct =
                     await
                         Wrapper.SendReceiveAsync<WriteRequestHJ212OutputStruct>(Wrapper[typeof(WriteRequestHJ212Protocol)],
                             writeRequestHJ212InputStruct);
                 return new ReturnStruct<bool>
                 {
-                    Datas = writeRequestOpcOutputStruct?.GetValue != null,
+                    Datas = writeRequestHJ212OutputStruct?.GetValue != null,
-                    IsSuccess = writeRequestOpcOutputStruct?.GetValue != null,
+                    IsSuccess = writeRequestHJ212OutputStruct?.GetValue != null,
                     ErrorCode = 0,
                     ErrorMsg = null,
                 };