added Enable/Disable WiFi functionality

wled00/json.cpp

@@ -546,12 +546,19 @@ bool deserializeState(JsonObject root, byte callMode, byte presetId)
     bool apMode = getBoolVal(wifi[F("ap")], apActive);
     if (!apActive && apMode) WLED::instance().initAP();  // start AP mode immediately
     else if (apActive && !apMode) { // stop AP mode immediately
-      dnsServer.stop();
-      WiFi.softAPdisconnect(true);
-      apActive = false;
+      WLED::instance().shutdownAP();
+    }
+    if (!wifi[F("on")].isNull()) {
+      bool sta = getBoolVal(wifi[F("on")], wifiEnabled);
+      if(!sta){
+        if(apActive) {
+          WLED::instance().shutdownAP();
+        } else if (WiFi.isConnected()) {
+          WiFi.disconnect(true);
+        }
+      }
+      wifiEnabled = forceReconnect = sta;
     }
-    //bool restart = wifi[F("restart")] | false;
-    //if (restart) forceReconnect = true;
   }
 
   if (stateChanged) stateUpdated(callMode);

wled00/wled.cpp

@@ -606,6 +606,13 @@ void WLED::initAP(bool resetAP)
   apActive = true;
 }
 
+void WLED::shutdownAP()
+{
+  dnsServer.stop();
+  WiFi.softAPdisconnect(true);
+  apActive = false;
+}
+
 void WLED::initConnection()
 {
   DEBUG_PRINTF_P(PSTR("initConnection() called @ %lus.\n"), millis()/1000);
@@ -645,7 +652,7 @@ void WLED::initConnection()
       initAP();
     } else {
       DEBUG_PRINTLN(F("Access point disabled (init)."));
-      WiFi.softAPdisconnect(true);
+      shutdownAP();
       WiFi.mode(WIFI_STA);
     }
   }
@@ -755,6 +762,7 @@ void WLED::handleConnection()
   #endif
   const bool wifiConfigured = WLED_WIFI_CONFIGURED;
 
+  if (!wifiEnabled) return;
   // ignore connection handling if WiFi is configured and scan still running
   // or within first 2s if WiFi is not configured or AP is always active
   if ((wifiConfigured && multiWiFi.size() > 1 && WiFi.scanComplete() < 0) || (now < 2000 && (!wifiConfigured || apBehavior == AP_BEHAVIOR_ALWAYS)))
@@ -818,17 +826,15 @@ void WLED::handleConnection()
       initConnection();
     }
     if (!apActive && now - lastReconnectAttempt > 12000 && (!wasConnected || apBehavior == AP_BEHAVIOR_NO_CONN)) {
-      if (!(apBehavior == AP_BEHAVIOR_TEMPORARY && now > WLED_AP_TIMEOUT)) {
+      if (!(apBehavior == AP_BEHAVIOR_TEMPORARY && now > WLED_AP_TIMEOUT) && (apBehavior != AP_BEHAVIOR_BUTTON_ONLY)) {
         DEBUG_PRINTF_P(PSTR("Not connected AP (@ %lus).\n"), nowS);
         initAP();  // start AP only within first 5min
       }
     }
     if (apActive && apBehavior == AP_BEHAVIOR_TEMPORARY && now > WLED_AP_TIMEOUT && stac == 0) { // disconnect AP after 5min if no clients connected
       // if AP was enabled more than 10min after boot or if client was connected more than 10min after boot do not disconnect AP mode
       if (now < 2*WLED_AP_TIMEOUT) {
-        dnsServer.stop();
-        WiFi.softAPdisconnect(true);
-        apActive = false;
+        shutdownAP();
         DEBUG_PRINTF_P(PSTR("Temporary AP disabled (@ %lus).\n"), nowS);
       }
     }
@@ -848,9 +854,7 @@ void WLED::handleConnection()
 
     // shut down AP
     if (apBehavior != AP_BEHAVIOR_ALWAYS && apActive) {
-      dnsServer.stop();
-      WiFi.softAPdisconnect(true);
-      apActive = false;
+      shutdownAP();
       DEBUG_PRINTLN(F("Access point disabled (connected)."));
     }
   }
@@ -903,4 +907,4 @@ void WLED::handleStatusLED()
     #endif
   }
 }
-#endif
+#endif

wled00/wled.h

@@ -348,27 +348,30 @@ typedef class WiFiOptions {
       uint8_t apBehavior   : 3;
       bool    noWifiSleep  : 1;
       bool    force802_3g  : 1;
+      bool    wifiEnabled  : 1;
     };
-    WiFiOptions(uint8_t s, uint8_t c, bool h, uint8_t b, bool sl, bool g) {
+    WiFiOptions(uint8_t s, uint8_t c, bool h, uint8_t b, bool sl, bool g, bool e) {
       selectedWiFi = s;
       apChannel = c;
       apHide = h;
       apBehavior = b;
       noWifiSleep = sl;
       force802_3g = g;
+      wifiEnabled = e;
     }
 } __attribute__ ((aligned(1), packed)) wifi_options_t;
   #ifdef ARDUINO_ARCH_ESP32
-WLED_GLOBAL wifi_options_t wifiOpt _INIT_N(({0, 1, false, AP_BEHAVIOR_BOOT_NO_CONN, true, false}));
+WLED_GLOBAL wifi_options_t wifiOpt _INIT_N(({0, 1, false, AP_BEHAVIOR_BOOT_NO_CONN, true, false, true}));
   #else
-WLED_GLOBAL wifi_options_t wifiOpt _INIT_N(({0, 1, false, AP_BEHAVIOR_BOOT_NO_CONN, false, false}));
+WLED_GLOBAL wifi_options_t wifiOpt _INIT_N(({0, 1, false, AP_BEHAVIOR_BOOT_NO_CONN, false, false, true}));
   #endif
 #define selectedWiFi wifiOpt.selectedWiFi
 #define apChannel    wifiOpt.apChannel
 #define apHide       wifiOpt.apHide
 #define apBehavior   wifiOpt.apBehavior
 #define noWifiSleep  wifiOpt.noWifiSleep
 #define force802_3g  wifiOpt.force802_3g
+#define wifiEnabled  wifiOpt.wifiEnabled
 #else
 WLED_GLOBAL int8_t selectedWiFi  _INIT(0);
 WLED_GLOBAL byte apChannel       _INIT(1);                        // 2.4GHz WiFi AP channel (1-13)
@@ -380,6 +383,7 @@ WLED_GLOBAL bool noWifiSleep _INIT(true);                         // disabling m
 WLED_GLOBAL bool noWifiSleep _INIT(false);
   #endif
 WLED_GLOBAL bool force802_3g _INIT(false);
+WLED_GLOBAL bool wifiEnabled _INIT(true);
 #endif // WLED_SAVE_RAM
 #ifdef ARDUINO_ARCH_ESP32
   #if defined(LOLIN_WIFI_FIX) && (defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S2) || defined(CONFIG_IDF_TARGET_ESP32S3))
@@ -1074,6 +1078,7 @@ class WLED {
   void beginStrip();
   void handleConnection();
   void initAP(bool resetAP = false);
+  void shutdownAP();
   void initConnection();
   void initInterfaces();
   #if defined(STATUSLED)