Added "waiting for data screen"

weatherman.yaml

@@ -24,6 +24,10 @@ globals:
     type: bool
     restore_value: no
     initial_value: 'false'
+  - id: initial_data_received
+    type: bool
+    restore_value: no
+    initial_value: 'false'
 
 time:
   - platform: homeassistant
@@ -35,6 +39,7 @@ time:
               condition:
                 lambda: 'return id(data_updated) == true;'
               then:
+                - lambda: 'id(initial_data_received) = true;'
                 - logger.log: "Sensor data updated: Refreshing display..."
                 - component.update: eink_display
                 - lambda: 'id(data_updated) = false;'
@@ -399,6 +404,12 @@ display:
       // Fill background in black.
       it.fill(color_black);
 
+      if (id(initial_data_received) == false) {
+        // ATTENTION!
+        // Please adjust coordinates I have a different display!
+        // ATTENTION!
+        it.printf(0, 420, id(font_small_bold), color_white, TextAlign::TOP_CENTER, "Waiting for data...");
+      } else {
         // Weather Section
         it.image(0, 88, id(title_weather)); 
 
@@ -438,5 +449,5 @@ display:
         it.printf(330, 652, id(font_medium_bold), color_white, TextAlign::TOP_CENTER, "%2.0f MIN", id(train_canarsie_next_train_due_in).state);
         it.printf(150, 684, id(font_small_book), color_white, TextAlign::TOP_CENTER, "%s", id(train_manhattan_next_train_due_at).state.c_str());
         it.printf(330, 684, id(font_small_book), color_white, TextAlign::TOP_CENTER, "%s", id(train_canarsie_next_train_due_at).state.c_str());
-
+      }
 captive_portal: