Merge branch 'optimization/example_for_wifi_station' into 'master'

wi-fi:optimization example of wifi station

See merge request espressif/esp-idf!15457

examples/wifi/getting_started/station/main/Kconfig.projbuild

@@ -17,4 +17,29 @@ menu "Example Configuration"
         default 5
         help
             Set the Maximum retry to avoid station reconnecting to the AP unlimited when the AP is really inexistent.
+
+    choice ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD
+        prompt "WiFi Scan auth mode threshold"
+        default ESP_WIFI_AUTH_OPEN
+        help
+            The weakest authmode to accept in the scan mode.
+
+        config ESP_WIFI_AUTH_OPEN
+            bool "OPEN"
+        config ESP_WIFI_AUTH_WEP
+            bool "WEP"
+        config ESP_WIFI_AUTH_WPA_PSK
+            bool "WPA PSK"
+        config ESP_WIFI_AUTH_WPA2_PSK
+            bool "WPA2 PSK"
+        config ESP_WIFI_AUTH_WPA_WPA2_PSK
+            bool "WPA/WPA2 PSK"
+        config ESP_WIFI_AUTH_WPA3_PSK
+            bool "WPA3 PSK"
+        config ESP_WIFI_AUTH_WPA2_WPA3_PSK
+            bool "WPA2/WPA3 PSK"
+        config ESP_WIFI_AUTH_WAPI_PSK
+            bool "WAPI PSK"
+    endchoice
+
 endmenu

examples/wifi/getting_started/station/main/station_example_main.c

@@ -28,6 +28,24 @@
 #define EXAMPLE_ESP_WIFI_PASS      CONFIG_ESP_WIFI_PASSWORD
 #define EXAMPLE_ESP_MAXIMUM_RETRY  CONFIG_ESP_MAXIMUM_RETRY
 
+#if CONFIG_ESP_WIFI_AUTH_OPEN
+#define ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_OPEN
+#elif CONFIG_ESP_WIFI_AUTH_WEP
+#define ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WEP
+#elif CONFIG_ESP_WIFI_AUTH_WPA_PSK
+#define ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA_PSK
+#elif CONFIG_ESP_WIFI_AUTH_WPA2_PSK
+#define ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA2_PSK
+#elif CONFIG_ESP_WIFI_AUTH_WPA_WPA2_PSK
+#define ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA_WPA2_PSK
+#elif CONFIG_ESP_WIFI_AUTH_WPA3_PSK
+#define ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA3_PSK
+#elif CONFIG_ESP_WIFI_AUTH_WPA2_WPA3_PSK
+#define ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA2_WPA3_PSK
+#elif CONFIG_ESP_WIFI_AUTH_WAPI_PSK
+#define ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WAPI_PSK
+#endif
+
 /* FreeRTOS event group to signal when we are connected*/
 static EventGroupHandle_t s_wifi_event_group;
 
@@ -41,6 +59,7 @@ static const char *TAG = "wifi station";
 
 static int s_retry_num = 0;
 
+
 static void event_handler(void* arg, esp_event_base_t event_base,
                                 int32_t event_id, void* event_data)
 {
@@ -95,7 +114,7 @@ void wifi_init_sta(void)
             /* Setting a password implies station will connect to all security modes including WEP/WPA.
              * However these modes are deprecated and not advisable to be used. Incase your Access point
              * doesn't support WPA2, these mode can be enabled by commenting below line */
-	     .threshold.authmode = WIFI_AUTH_WPA2_PSK,
+	     .threshold.authmode = ESP_WIFI_SCAN_AUTH_MODE_THRESHOLD,
         },
     };
     ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA) );
@@ -123,11 +142,6 @@ void wifi_init_sta(void)
     } else {
         ESP_LOGE(TAG, "UNEXPECTED EVENT");
     }
-
-    /* The event will not be processed after unregister */
-    ESP_ERROR_CHECK(esp_event_handler_instance_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, instance_got_ip));
-    ESP_ERROR_CHECK(esp_event_handler_instance_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, instance_any_id));
-    vEventGroupDelete(s_wifi_event_group);
 }
 
 void app_main(void)