diff -r 382697f556bb -r e63b17b80244 main/task_wifi.c
--- a/main/task_wifi.c	Mon May 31 16:52:10 2021 +0200
+++ b/main/task_wifi.c	Thu Jun 24 14:07:49 2021 +0200
@@ -16,6 +16,8 @@
 wifi_ap_record_t		*accessp_records;		///< [MAX_AP_NUM] records array with scan results.
 wifi_config_t			*task_wifi_ConfigSTA = NULL;	///< Current STA configuration.
 WIFI_State			*wifi_state = NULL;		///< Public state for other tasks.
+esp_netif_t			*sta_netif = NULL;		///< Station interface
+
 
 wifi_scan_config_t scan_config = {
 	.ssid = 0,
@@ -88,7 +90,7 @@
 	case WIFI_EVENT_STA_START:
 		ESP_LOGI(TAG, "Event wifi START");
         	// Set the configured hostname for the dhcp client.
-        	ESP_ERROR_CHECK(tcpip_adapter_set_hostname(TCPIP_ADAPTER_IF_STA, config.hostname));
+        	ESP_ERROR_CHECK(esp_netif_set_hostname(sta_netif, config.hostname));
         	esp_wifi_connect();
 		break;
 
@@ -149,9 +151,9 @@
 		ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
 		if (xSemaphoreTake(xSemaphoreWiFi, 25) == pdTRUE) {
 			wifi_state->STA_online = true;
-			snprintf(wifi_state->STA_ip, 16, "%s", ip4addr_ntoa(&event->ip_info.ip));
-			snprintf(wifi_state->STA_nm, 16, "%s", ip4addr_ntoa(&event->ip_info.netmask));
-			snprintf(wifi_state->STA_gw, 16, "%s", ip4addr_ntoa(&event->ip_info.gw));
+			snprintf(wifi_state->STA_ip, 16, IPSTR, IP2STR(&event->ip_info.ip));
+			snprintf(wifi_state->STA_nm, 16, IPSTR, IP2STR(&event->ip_info.netmask));
+			snprintf(wifi_state->STA_gw, 16, IPSTR, IP2STR(&event->ip_info.gw));
 			xSemaphoreGive(xSemaphoreWiFi);
 		} else {
 			ESP_LOGE(TAG, "got_ip_event_handler() lock error IP_EVENT_STA_GOT_IP");
@@ -193,8 +195,10 @@
     /* event handler and event group for the wifi driver */
     xEventGroupWifi = xEventGroupCreate();
     /* initialize the tcp stack */
-    tcpip_adapter_init();
+    ESP_ERROR_CHECK(esp_netif_init());
     ESP_ERROR_CHECK(esp_event_loop_create_default());
+    sta_netif = esp_netif_create_default_wifi_sta();
+    assert(sta_netif);
 
     /*
      * memory allocation of objects used by the task 
@@ -207,18 +211,16 @@
     wifi_state = malloc(sizeof(WIFI_State));
     memset(wifi_state, 0x00, sizeof(WIFI_State));
 
-    /* stop dhcp server and start dhcp client */
-    ESP_ERROR_CHECK(tcpip_adapter_dhcps_stop(TCPIP_ADAPTER_IF_AP));
-    ESP_ERROR_CHECK(tcpip_adapter_dhcpc_start(TCPIP_ADAPTER_IF_STA));
-
     /*
      * init wifi as station
      */
     wifi_init_config_t wifi_init_config = WIFI_INIT_CONFIG_DEFAULT();
     ESP_ERROR_CHECK(esp_wifi_init(&wifi_init_config));
 
-    ESP_ERROR_CHECK( esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL) );
-    ESP_ERROR_CHECK( esp_event_handler_register(IP_EVENT, ESP_EVENT_ANY_ID, &got_ip_event_handler, NULL) );
+    esp_event_handler_instance_t instance_any_id;
+    esp_event_handler_instance_t instance_got_ip;
+    ESP_ERROR_CHECK( esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL, &instance_any_id) );
+    ESP_ERROR_CHECK( esp_event_handler_instance_register(IP_EVENT, ESP_EVENT_ANY_ID, &got_ip_event_handler, NULL, &instance_got_ip) );
 
     ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM));
     ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));