support held button

buttons.py

@@ -31,8 +31,20 @@ def button_callback_2(channel):
     control_player(client, "SKIP")
     control_player(client, "PLAY")
 
+# Handling button 3 with a hold check
 def button_callback_3(channel):
-    print("Button 3 pressed!")
+    start_time = time.time()
+    
+    # Wait until the button is released or held for more than 3 seconds
+    while GPIO.input(BUTTON_PINS[2]) == GPIO.LOW:  # Button is pressed (active low)
+        if time.time() - start_time >= 3:  # Check if 3 seconds have passed
+            print("Button 3 held for 3 seconds! Sending RADIO2.")
+            client = create_client()
+            control_player(client, "RADIO2")
+            return  # Exit after sending RADIO2
+    
+    # If button was not held for 3 seconds, send RADIO
+    print("Button 3 pressed briefly! Sending RADIO.")
     client = create_client()
     control_player(client, "RADIO")