Implement dc-load inactivity display

esphome/lab-ble-proxy.yaml

@@ -18,7 +18,7 @@ esphome:
   comment: ${device_description}
   min_version: 2024.6.0
   includes:
-    - lab-ble-proxy-owon.h
+    - lab-ble-proxy.h
   on_boot:
     priority: 850
     then:
@@ -105,10 +105,16 @@ ble_client:
       then:
         - lambda: |-
             owon_meter.on_connect();
+            id(display_page) = 0;
+            id(lcd).update();
     on_disconnect:
       then:
         - lambda: |-
             owon_meter.on_disconnect();
+            if (id(display_page) == 0 && id(atorch_connected)) {
+              id(display_page) = 1;
+            }
+            id(lcd).update();
 
   - mac_address: ${dl24_mac_address}
     id: atorch_ble_client
@@ -116,11 +122,15 @@ ble_client:
       then:
         - lambda: |-
             id(atorch_connected) = true;
+            id(display_page) = 1;
             id(lcd).update();
     on_disconnect:
       then:
         - lambda: |-
             id(atorch_connected) = false;
+            if (id(display_page) == 1 && owon_meter.connected) {
+              id(display_page) = 0;
+            }
             id(lcd).update();
 
 atorch_dl24: