Update UI icons & show more wifi status via LED

main/wifi_manager.c

@@ -22,7 +22,6 @@ static const char *TAG = "WIFI_MGR";
 // Event Group
 static EventGroupHandle_t s_wifi_event_group;
 #define WIFI_CONNECTED_BIT BIT0
-#define WIFI_FAIL_BIT      BIT1
 
 // Server Handle for registering handlers
 static httpd_handle_t s_server_handle = NULL;
@@ -44,6 +43,10 @@ static void wifi_init_station(const char* ssid, const char* pass);
 #define NVS_KEY_SSID "ssid"
 #define NVS_KEY_PASS "pass"
 
+bool is_connected(void) {
+    return xEventGroupWaitBits(s_wifi_event_group, WIFI_CONNECTED_BIT, pdFALSE, pdFALSE, 1) & WIFI_CONNECTED_BIT;
+}
+
 // WiFi Event Handler
 static void event_handler(void *arg, esp_event_base_t event_base,
                           int32_t event_id, void *event_data) {