From d3f832cdbb76ba1f28c2de78027df62b99c86927 Mon Sep 17 00:00:00 2001
From: LowaSC <sprf555@gmail.com>
Date: Wed, 19 Feb 2025 21:51:55 +0300
Subject: [PATCH] Add connection state verification in command execution

- Check serial connection status before sending commands
- Prevent command execution on closed or inactive connections
- Add informative log message when connection is lost
- Enhance robustness of command sending mechanism
---
 ComConfigCopy.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/ComConfigCopy.py b/ComConfigCopy.py
index 8f5d8a8..b081d59 100644
--- a/ComConfigCopy.py
+++ b/ComConfigCopy.py
@@ -633,6 +633,12 @@ def send_command_and_process_response(
 ):
     attempt = 0
     while attempt < max_attempts:
+        # Проверяем, что соединение всё ещё активно
+        if not serial_connection or not serial_connection.is_open:
+            if log_callback:
+                log_callback("[INFO] Соединение закрыто.\n")
+            return False, None
+            
         msg = f"\nОтправка команды: {cmd}\n"
         if log_callback:
             log_callback(msg)