redo esp32 disconnect

examples/OnDemandConfigPortal/OnDemandConfigPortal.ino

@@ -14,6 +14,7 @@
 // ESP-01 users please note: the only pins available (0 and 2), are shared 
 // with the bootloader, so always set them HIGH at power-up
 #define TRIGGER_PIN 0
+const char* modes[] = { "NULL", "STA", "AP", "STA+AP" };
 
 
 void setup() {
@@ -21,6 +22,10 @@ void setup() {
   Serial.begin(115200);
   Serial.println("\n Starting");
 
+  Serial.setDebugOutput(true);  
+  Serial.println(modes[WiFi.getMode()]);
+  WiFi.printDiag(Serial);
+
   pinMode(TRIGGER_PIN, INPUT);
 }