Add LED effect when retrying time synchronization

src/lib/config.cpp

@@ -279,6 +279,7 @@ void syncTime()
 
   while (!getLocalTime(&timeinfo))
   {
+    queueLedEffect(LED_EFFECT_CONFIGURING);
     configTime(preferences.getInt("gmtOffset", DEFAULT_TIME_OFFSET_SECONDS), 0,
                NTP_SERVER);
     delay(500);

src/lib/led_handler.cpp

@@ -333,6 +333,26 @@ void ledTask(void *parameter)
           blinkDelayTwoColor(100, 3, pixels.Color(8, 161, 236),
                              pixels.Color(255, 0, 0));
           break;
+        case LED_EFFECT_CONFIGURING:
+          for (int i = NEOPIXEL_COUNT; i--; i > 0)
+          {
+            for (int j = NEOPIXEL_COUNT; j--; j > 0)
+            {
+              uint32_t c = pixels.Color(0, 0, 0);
+              if (i == j)
+                c = pixels.Color(0, 0, 255);
+
+              pixels.setPixelColor(j, c);
+            }
+
+            pixels.show();
+
+            delay(100);
+          }
+
+          pixels.clear();
+          pixels.show();
+          break;
         case LED_FLASH_ERROR:
           blinkDelayColor(250, 3, 255, 0, 0);
           break;

src/lib/led_handler.hpp

@@ -18,10 +18,13 @@
 const int LED_FLASH_ERROR = 0;
 const int LED_FLASH_SUCCESS = 1;
 const int LED_FLASH_UPDATE = 2;
-const int LED_FLASH_BLOCK_NOTIFY = 3;
+
-const int LED_EFFECT_START_TIMER = 4;
+const int LED_EFFECT_CONFIGURING = 10;
-const int LED_EFFECT_PAUSE_TIMER = 5;
+
-const int LED_EFFECT_HEARTBEAT = 6;
+const int LED_FLASH_BLOCK_NOTIFY = 4;
+const int LED_EFFECT_START_TIMER = 5;
+const int LED_EFFECT_PAUSE_TIMER = 6;
+const int LED_EFFECT_HEARTBEAT = 7;
 const int LED_EFFECT_WIFI_WAIT_FOR_CONFIG = 100;
 const int LED_EFFECT_WIFI_CONNECTING = 101;
 const int LED_EFFECT_WIFI_CONNECT_ERROR = 102;