Bugfix: Connect example to add scan mode config

Closes https://github.com/espressif/esp-idf/issues/6595

examples/common_components/protocol_examples_common/Kconfig.projbuild

@@ -20,6 +20,74 @@ menu "Example Connection Configuration"
             help
                 WiFi password (WPA or WPA2) for the example to use.
                 Can be left blank if the network has no security set.
+
+        choice EXAMPLE_WIFI_SCAN_METHOD
+            prompt "WiFi Scan Method"
+            default EXAMPLE_WIFI_SCAN_METHOD_FAST
+            help
+                WiFi scan method:
+
+                If "Fast" is selected, scan will end after find SSID match AP.
+
+                If "All Channel" is selected, scan will end after scan all the channel.
+
+            config EXAMPLE_WIFI_SCAN_METHOD_FAST
+                bool "Fast"
+            config EXAMPLE_WIFI_SCAN_METHOD_ALL_CHANNEL
+                bool "All Channel"
+        endchoice
+
+        menu "WiFi Scan threshold"
+            config EXAMPLE_WIFI_SCAN_RSSI_THRESHOLD
+                int "WiFi minimum rssi"
+                range -127 0
+
+                default -127
+                help
+                    The minimum rssi to accept in the scan mode.
+
+            choice EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD
+                prompt "WiFi Scan auth mode threshold"
+                default EXAMPLE_WIFI_AUTH_OPEN
+                help
+                    The weakest authmode to accept in the scan mode.
+
+                config EXAMPLE_WIFI_AUTH_OPEN
+                    bool "OPEN"
+                config EXAMPLE_WIFI_AUTH_WEP
+                    bool "WEP"
+                config EXAMPLE_WIFI_AUTH_WPA_PSK
+                    bool "WPA PSK"
+                config EXAMPLE_WIFI_AUTH_WPA2_PSK
+                    bool "WPA2 PSK"
+                config EXAMPLE_WIFI_AUTH_WPA_WPA2_PSK
+                    bool "WPA WPA2 PSK"
+                config EXAMPLE_WIFI_AUTH_WPA2_ENTERPRISE
+                    bool "WPA2 ENTERPRISE"
+                config EXAMPLE_WIFI_AUTH_WPA3_PSK
+                    bool "WPA3 PSK"
+                config EXAMPLE_WIFI_AUTH_WPA2_WPA3_PSK
+                    bool "WPA2 WPA3 PSK"
+                config EXAMPLE_WIFI_AUTH_WAPI_PSK
+                    bool "WAPI PSK"
+            endchoice
+        endmenu
+
+        choice EXAMPLE_WIFI_CONNECT_AP_SORT_METHOD
+            prompt "WiFi Connect AP Sort Method"
+            default EXAMPLE_WIFI_CONNECT_AP_BY_SIGNAL
+            help
+                WiFi connect AP sort method:
+
+                If "Signal" is selected, Sort matched APs in scan list by RSSI.
+
+                If "Security" is selected, Sort matched APs in scan list by security mode.
+
+            config EXAMPLE_WIFI_CONNECT_AP_BY_SIGNAL
+                bool "Signal"
+            config EXAMPLE_WIFI_CONNECT_AP_BY_SECURITY
+                bool "Security"
+        endchoice
     endif
 
     config EXAMPLE_CONNECT_ETHERNET

examples/common_components/protocol_examples_common/connect.c

@@ -48,6 +48,38 @@
 
 #define EXAMPLE_DO_CONNECT CONFIG_EXAMPLE_CONNECT_WIFI || CONFIG_EXAMPLE_CONNECT_ETHERNET
 
+#if CONFIG_EXAMPLE_WIFI_SCAN_METHOD_FAST
+#define EXAMPLE_WIFI_SCAN_METHOD WIFI_FAST_SCAN
+#elif CONFIG_EXAMPLE_WIFI_SCAN_METHOD_ALL_CHANNEL
+#define EXAMPLE_WIFI_SCAN_METHOD WIFI_ALL_CHANNEL_SCAN
+#endif
+
+#if CONFIG_EXAMPLE_WIFI_CONNECT_AP_BY_SIGNAL
+#define EXAMPLE_WIFI_CONNECT_AP_SORT_METHOD WIFI_CONNECT_AP_BY_SIGNAL
+#elif CONFIG_EXAMPLE_WIFI_CONNECT_AP_BY_SECURITY
+#define EXAMPLE_WIFI_CONNECT_AP_SORT_METHOD WIFI_CONNECT_AP_BY_SECURITY
+#endif
+
+#if CONFIG_EXAMPLE_WIFI_AUTH_OPEN
+#define EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_OPEN
+#elif CONFIG_EXAMPLE_WIFI_AUTH_WEP
+#define EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WEP
+#elif CONFIG_EXAMPLE_WIFI_AUTH_WPA_PSK
+#define EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA_PSK
+#elif CONFIG_EXAMPLE_WIFI_AUTH_WPA2_PSK
+#define EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA2_PSK
+#elif CONFIG_EXAMPLE_WIFI_AUTH_WPA_WPA2_PSK
+#define EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA_WPA2_PSK
+#elif CONFIG_EXAMPLE_WIFI_AUTH_WPA2_ENTERPRISE
+#define EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA2_ENTERPRISE
+#elif CONFIG_EXAMPLE_WIFI_AUTH_WPA3_PSK
+#define EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA3_PSK
+#elif CONFIG_EXAMPLE_WIFI_AUTH_WPA2_WPA3_PSK
+#define EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WPA2_WPA3_PSK
+#elif CONFIG_EXAMPLE_WIFI_AUTH_WAPI_PSK
+#define EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD WIFI_AUTH_WAPI_PSK
+#endif
+
 static int s_active_interfaces = 0;
 static xSemaphoreHandle s_semph_get_ip_addrs;
 static esp_netif_t *s_example_esp_netif = NULL;
@@ -265,6 +297,10 @@ static esp_netif_t *wifi_start(void)
         .sta = {
             .ssid = CONFIG_EXAMPLE_WIFI_SSID,
             .password = CONFIG_EXAMPLE_WIFI_PASSWORD,
+            .scan_method = EXAMPLE_WIFI_SCAN_METHOD,
+            .sort_method = EXAMPLE_WIFI_CONNECT_AP_SORT_METHOD,
+            .threshold.rssi = CONFIG_EXAMPLE_WIFI_SCAN_RSSI_THRESHOLD,
+            .threshold.authmode = EXAMPLE_WIFI_SCAN_AUTH_MODE_THRESHOLD,
         },
     };
     ESP_LOGI(TAG, "Connecting to %s...", wifi_config.sta.ssid);