BREAKING: Add Wrong Password wifi status case (#7652)

* Add Wrong Password wifi status case
* Add wrong password case for status return
* Add wrong password case for debug
* Add Wrong password case to interactive example
* Add case for wrong password to station doc
* Add case for wrong password to resumeFromShutdown
* Add wrong password case to wifi readme
* Update ESP8266WiFiGeneric.cpp

doc/esp8266wifi/readme.rst

@@ -260,8 +260,9 @@ This function returns following codes to describe what is going on with Wi-Fi co
 * 0 : ``WL_IDLE_STATUS`` when Wi-Fi is in process of changing between statuses 
 * 1 : ``WL_NO_SSID_AVAIL``\ in case configured SSID cannot be reached 
 * 3 : ``WL_CONNECTED`` after successful connection is established 
-* 4 : ``WL_CONNECT_FAILED`` if password is incorrect 
+* 4 : ``WL_CONNECT_FAILED`` if connection failed 
-* 6 : ``WL_DISCONNECTED`` if module is not configured in station mode
+* 6 : ``WL_CONNECT_WRONG_PASSWORD`` if password is incorrect 
+* 7 : ``WL_DISCONNECTED`` if module is not configured in station mode
 
 It is a good practice to display and check information returned by functions. Application development and troubleshooting will be easier with that.
 

doc/esp8266wifi/station-class.rst

@@ -251,7 +251,8 @@ Function returns one of the following connection statuses:
 
 - ``WL_CONNECTED`` after successful connection is established 
 - ``WL_NO_SSID_AVAIL`` in case configured SSID cannot be reached
-- ``WL_CONNECT_FAILED`` if password is incorrect 
+- ``WL_CONNECT_FAILED`` if connection failed 
+- ``WL_CONNECT_WRONG_PASSWORD`` if password is incorrect 
 - ``WL_IDLE_STATUS`` when Wi-Fi is in process of changing between statuses 
 - ``WL_DISCONNECTED`` if module is not configured in station mode
 - ``-1`` on timeout

libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp

@@ -827,15 +827,21 @@ bool ESP8266WiFiGenericClass::resumeFromShutdown (WiFiState* state)
             }
         }
         // state->state.fwconfig.bssid is not real bssid (it's what user may have provided when bssid_set==1)
-        if (WiFi.begin((const char*)state->state.fwconfig.ssid,
+        auto beginResult = WiFi.begin((const char*)state->state.fwconfig.ssid,
                        (const char*)state->state.fwconfig.password,
                        state->state.channel,
                        nullptr/*(const uint8_t*)state->state.fwconfig.bssid*/,  // <- try with gw's mac address?
-                       true) == WL_CONNECT_FAILED)
+                       true);
+        if (beginResult == WL_CONNECT_FAILED)
         {
             DEBUG_WIFI("core: resume: WiFi.begin failed\n");
             return false;
         }
+        if (beginResult == WL_WRONG_PASSWORD)
+        {
+            DEBUG_WIFI("core: resume: WiFi.begin wrong password\n");
+            return false;
+        }
     }
 
     if (state->state.mode & WIFI_AP)

libraries/ESP8266WiFi/src/ESP8266WiFiMulti.cpp

@@ -60,6 +60,9 @@ static void printWiFiStatus(wl_status_t status)
         case WL_CONNECT_FAILED:
             DEBUG_WIFI_MULTI("[WIFIM] Connecting failed.\n");
             break;
+        case WL_WRONG_PASSWORD:
+            DEBUG_WIFI_MULTI("[WIFIM] Wrong password.\n");
+            break;
         default:
             DEBUG_WIFI_MULTI("[WIFIM] Connecting failed (%d).\n", status);
             break;

libraries/ESP8266WiFi/src/ESP8266WiFiSTA.cpp

@@ -624,8 +624,9 @@ wl_status_t ESP8266WiFiSTAClass::status() {
         case STATION_NO_AP_FOUND:
             return WL_NO_SSID_AVAIL;
         case STATION_CONNECT_FAIL:
-        case STATION_WRONG_PASSWORD:
             return WL_CONNECT_FAILED;
+        case STATION_WRONG_PASSWORD:
+            return WL_WRONG_PASSWORD;
         case STATION_IDLE:
             return WL_IDLE_STATUS;
         default:

libraries/ESP8266WiFi/src/include/wl_definitions.h

@@ -55,7 +55,8 @@ typedef enum {
     WL_CONNECTED        = 3,
     WL_CONNECT_FAILED   = 4,
     WL_CONNECTION_LOST  = 5,
-    WL_DISCONNECTED     = 6
+    WL_WRONG_PASSWORD   = 6,
+    WL_DISCONNECTED     = 7
 } wl_status_t;
 
 /* Encryption modes */

libraries/esp8266/examples/interactive/interactive.ino

@@ -42,7 +42,8 @@ void setup() {
     "WL_CONNECTED        = 3\n"
     "WL_CONNECT_FAILED   = 4\n"
     "WL_CONNECTION_LOST  = 5\n"
-    "WL_DISCONNECTED     = 6\n"
+    "WL_WRONG_PASSWORD   = 6\n"
+    "WL_DISCONNECTED     = 7\n"
   );
 }