added config mode callback

README.md

@@ -21,10 +21,10 @@ First attempt at a library. Lots more changes and fixes to do. Contributions are
 - add ability to configure more parameters than ssid/password
 - maybe allow setting ip of ESP after reboot
 
-This works with the ESP8266 Arduino platform https://github.com/esp8266/Arduino
+This works with the ESP8266 Arduino platform with a recent stable release(2.0.0 or newer) https://github.com/esp8266/Arduino
 
 ## Releases
-#### v0.3
+#### v0.3 and head
  - removed the need for EEPROM and works with the 2.0.0 and above stable release of the ESP8266 for Arduino IDE package
  - removed restart on save of credentials
  - updated examples
@@ -88,6 +88,10 @@ This will set your captive portal to a specific IP should you need/want such a f
 //set custom ip for portal
 wifiManager.setAPConfig(IPAddress(10,0,1,1), IPAddress(10,0,1,1), IPAddress(255,255,255,0));
 ```
+### Contributions and thanks
+[alltheblinkythings](https://github.com/alltheblinkythings)
+[Niklas Wall](https://github.com/niklaswall)
+[Jakub Piasecki](https://github.com/zaporylie)
 
 #### Inspiration
 - http://www.esp8266.com/viewtopic.php?f=29&t=2520

WiFiManager.cpp

@@ -88,7 +88,10 @@ boolean WiFiManager::autoConnect(char const *apName) {
   //not connected
   //setup AP
   WiFi.mode(WIFI_AP);
-
+  //notify we entered AP mode
+  if( _apcallback != NULL) {
+    _apcallback();
+  }
   connect = false;
   begin(apName);
 
@@ -423,6 +426,11 @@ boolean WiFiManager::captivePortal() {
   return false;
 }
 
+//start up config portal callback
+void WiFiManager::setAPCallback( void (*func)(void) ) {
+  _apcallback = func;
+}
+
 
 template <typename Generic>
 void WiFiManager::DEBUG_PRINT(Generic text) {

WiFiManager.h

@@ -24,10 +24,7 @@ class WiFiManager
 {
 public:
     WiFiManager();
-    
-    void    begin();
-    void    begin(char const *apName);
-    
+        
     boolean autoConnect();
     boolean autoConnect(char const *apName);
     
@@ -52,6 +49,7 @@ public:
 
     //sets a custom ip /gateway /subnet configuration
     void    setAPConfig(IPAddress ip, IPAddress gw, IPAddress sn);
+    void    setAPCallback( void (*func)(void) );    
     
     int     serverLoop();
 
@@ -75,6 +73,9 @@ private:
     //const char HTTP_END[] PROGMEM = R"=====(
     //</body></html>
     //)=====";
+
+    void    begin();
+    void    begin(char const *apName);
     
     int _eepromStart;
     const char* _apName = "no-net";
@@ -109,6 +110,8 @@ private:
     boolean connect;
     boolean _debug = true;
 
+    void (*_apcallback)(void) = NULL;
+
     template <typename Generic>
     void DEBUG_PRINT(Generic text);
 };

examples/AutoConnectWithFeedback/AutoConnectWithFeedback.ino

@@ -0,0 +1,44 @@
+#include <ESP8266WiFi.h>          //https://github.com/esp8266/Arduino
+
+//needed for library
+#include <DNSServer.h>
+#include <ESP8266WebServer.h>
+#include <WiFiManager.h>          //https://github.com/tzapu/WiFiManager
+
+void configModeCallback () {
+  Serial.println("Entered config mode");
+  Serial.println(WiFi.softAPIP());
+}
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(115200);
+  
+  //WiFiManager
+  //Local intialization. Once its business is done, there is no need to keep it around
+  WiFiManager wifiManager;
+  //reset settings - for testing
+  //wifiManager.resetSettings();
+
+  //set callback that gets called when connecting to previous WiFi fails, and enters Access Point mode
+  wifiManager.setAPCallback(configModeCallback);
+  //fetches ssid and pass and tries to connect
+  //if it does not connect it starts an access point with the specified name
+  //here  "AutoConnectAP"
+  //and goes into a blocking loop awaiting configuration
+  if(!wifiManager.autoConnect("AutoConnectAP")) {
+    Serial.println("failed to connect and hit timeout");
+    //reset and try again, or maybe put it to deep sleep
+    ESP.reset();
+    delay(1000);
+  } 
+
+  //if you get here you have connected to the WiFi
+  Serial.println("connected...yeey :)");
+ 
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+
+}