Configure AP fallback at build time

code/espurna/config/general.h

@@ -312,6 +312,9 @@
 #define WIFI_AP_CAPTIVE             1                   // Captive portal enabled when in AP mode
 #endif
 
+#ifndef WIFI_FALLBACK_APMODE
+#define WIFI_FALLBACK_APMODE        1                   // Fallback to AP mode if no STA connection
+#endif
 
 #ifndef WIFI_SLEEP_MODE
 #define WIFI_SLEEP_MODE             WIFI_NONE_SLEEP     // WIFI_NONE_SLEEP, WIFI_LIGHT_SLEEP or WIFI_MODEM_SLEEP

code/espurna/wifi.ino

@@ -40,7 +40,7 @@ void _wifiConfigure() {
     #endif
     jw.setConnectTimeout(WIFI_CONNECT_TIMEOUT);
     wifiReconnectCheck();
-    jw.enableAPFallback(true);
+    jw.enableAPFallback(WIFI_FALLBACK_APMODE);
     jw.cleanNetworks();
 
     _wifi_ap_mode = getSetting("apmode", WIFI_AP_FALLBACK).toInt();