V1.0.1.8 -- 2025/12/20

* BMS History Function Improved

LFP_Manager/Threads/CsRs232Thread124050.cs

@@ -1,7 +1,8 @@
 using System;
 using System.Threading;
+using System.Threading.Tasks;
 using System.IO.Ports;
-using System.Windows.Forms;
+
 using LFP_Manager.DataStructure;
 using LFP_Manager.Function;
 using LFP_Manager.Utils;
@@ -460,10 +461,11 @@ namespace LFP_Manager.Threads
                     break;
 
                 case 2: // Firmware update packet
-                    if (OnPrint != null)
-                    {
-                        OnPrint(this, csLog.trx_data_print(_readBuffer, _readPosition, 1));
-                    }
+                    SafeRaiseOnPrint(csLog.trx_data_print(_readBuffer, _readPosition, 1));
+                    //if (OnPrint != null)
+                    //{
+                    //    OnPrint(this, csLog.trx_data_print(_readBuffer, _readPosition, 1));
+                    //}
                     _timeoutCount = 0;
                     ProcessFirmwareResponse();
                     break;
@@ -702,5 +704,22 @@ namespace LFP_Manager.Threads
         }
 
         #endregion
+
+        #region SAFE CALLS
+        private void SafeRaiseOnPrint(string msg)
+        {
+            var handler = OnPrint; // 복사
+            if (handler == null) return;
+
+            // 비차단 + 예외격리: 핸들러를 ThreadPool에서 실행
+            Task.Run(() =>
+            {
+                try { handler.Invoke(this, msg); }
+                catch (Exception ex) { /* 내부 로깅 */ }
+            });
+        }
+
+        #endregion
+
     }
 }