v1.0 HF3

app.py

@@ -10,6 +10,8 @@ try:
 except Exception:
     _APP_CFG = {}
     
+OPCcon = opcua_connector(_APP_CFG)
+
 # Page configuration
 st.set_page_config(
     page_title="OPC UA Robot Control Dashboard",
@@ -114,29 +116,10 @@ else:
     if st.session_state.connection_status != "Disconnected":
         st.session_state.connection_status = "Disconnected"
 
-def add_log(message):
-    """No-op logger (logs disabled for minimal UI)."""
-    return None
-
-def push_button(OPCcon, btn_name):
-    """Push a button on the OPC UA server"""
-    try:
-        if btn_name == 'INIT':
-            OPCcon.adapt_access_rights()
-            add_log(f"🔧 INIT button pressed - Access rights adapted")
-        else:
-            OPCcon.press_btn(btn_name)
-            add_log(f"🔘 {btn_name} button pressed")
-        return True
-    except Exception as e:
-        add_log(f"❌ Error pressing {btn_name} button: {e}")
-        return False
 
 def initialize_connection():
     """Initialize OPC UA connection"""
     try:
-        OPCcon = opcua_connector(_APP_CFG)
-        
         # Connect and check status
         OPCcon.connect()
         if OPCcon.check_connection() == 1:
@@ -154,16 +137,13 @@ def initialize_connection():
 
 def execute_button_action(button_name):
     """Execute button action with proper error handling"""
-    if st.session_state.opcua_connector is None:
+    if button_name == 'INIT':
-        add_log("❌ No connection available. Please initialize first.")
+        OPCcon.adapt_access_rights()
-        return
+        add_log(f"🔧 INIT button pressed - Access rights adapted")
-    
+    else:
-    # Execute directly instead of threading to avoid race conditions
+        OPCcon.press_btn(button_name)
-    try:
+        add_log(f"🔘 {button_name} button pressed")
-        push_button(st.session_state.opcua_connector, button_name)
+    return True
-    except Exception as e:
-        add_log(f"❌ Critical error executing {button_name}: {e}")
-
 
 # Sidebar
 with st.sidebar: