add ntp time to dev example

WiFiManager.h

@@ -31,7 +31,7 @@
 
 // #include "soc/efuse_reg.h" // include to add efuse chip rev to info, getChipRevision() is almost always the same though, so not sure why it matters.
 
-// #define esp32autoreconnect    // implement esp32 autoreconnect event listener kludge, deprecated
+// #define esp32autoreconnect    // implement esp32 autoreconnect event listener kludge, @DEPRECATED
 // autoreconnect is WORKING https://github.com/espressif/arduino-esp32/issues/653#issuecomment-405604766
 
 #define WM_WEBSERVERSHIM      // use webserver shim lib

examples/Advanced/Advanced.ino

@@ -69,11 +69,11 @@ void setup() {
 void checkButton(){
   // check for button press
   if ( digitalRead(TRIGGER_PIN) == LOW ) {
-    // poor mans debounce/press-hold, not recommended for production code
+    // poor mans debounce/press-hold, code not ideal for production
     delay(50);
     if( digitalRead(TRIGGER_PIN) == LOW ){
     
-      // holding button 3000 ms, reset settings
+      // still holding button for 3000 ms, reset settings, code not ideaa for production
       delay(3000); // reset delay hold
       if( digitalRead(TRIGGER_PIN) == LOW ){
         Serial.println("Erasing Config");

examples/DEV/OnDemandConfigPortal/OnDemandConfigPortal.ino

@@ -2,39 +2,17 @@
  * This is a kind of unit test for DEV for now
  */
 #include <WiFiManager.h> // https://github.com/tzapu/WiFiManager
+#include <time.h>
 
 #define TRIGGER_PIN 0
 const char* modes[] = { "NULL", "STA", "AP", "STA+AP" };
 
 WiFiManager wm;
-bool TEST_CP = true; // always start the configportal
-
+bool TEST_CP  = false; // always start the configportal
+bool TEST_NET = true; // do a network test, get ntp time
 char ssid[] = "*************";  //  your network SSID (name)
 char pass[] = "********";       // your network password
 
-void debugchipid(){
-  // WiFi.mode(WIFI_STA);
-  // WiFi.printDiag(Serial);
-  // Serial.println(modes[WiFi.getMode()]);
-  
-  // ESP.eraseConfig();
-  // wm.resetSettings();
-  // wm.erase(true);
-  WiFi.mode(WIFI_AP);
-  // WiFi.softAP();
-  WiFi.enableAP(true);
-  delay(500);
-  // esp_wifi_start();
-  delay(1000);
-  WiFi.printDiag(Serial);
-  delay(60000);
-  ESP.restart();
-
-  // AP esp_267751
-  // 507726A4AE30
-  // ESP32 Chip ID = 507726A4AE30
-}
-
 void saveWifiCallback(){
   Serial.println("[CALLBACK] saveCallback fired");
 }
@@ -68,12 +46,8 @@ void setup() {
   Serial.setDebugOutput(true);  
   // delay(3000);
   Serial.println("\n Starting");
-  // WiFi.setSleepMode(WIFI_NONE_SLEEP);
+  // WiFi.setSleepMode(WIFI_NONE_SLEEP); // disable sleep, can improve ap stability
   
-  //WiFiManager
-  //Local intialization. Once its business is done, there is no need to keep it around
-  // WiFiManager wm;
-
   wm.debugPlatformInfo();
 
   //Local intialization. Once its business is done, there is no need to keep it around
@@ -90,12 +64,12 @@ void setup() {
   // wm.setConnectTimeout(5);
   // wm.setShowStaticFields(true);
 
-  WiFiManagerParameter custom_html("<p>This Is Custom HTML</p>");
+  WiFiManagerParameter custom_html("<p>This Is Custom HTML</p>"); // only custom html
   WiFiManagerParameter custom_mqtt_server("server", "mqtt server", "", 40);
   WiFiManagerParameter custom_mqtt_port("port", "mqtt port", "", 6);
   WiFiManagerParameter custom_token("api_token", "api token", "", 16);
   WiFiManagerParameter custom_tokenb("invalid token", "invalid token", "", 0); // id is invalid, cannot contain spaces
-  WiFiManagerParameter custom_ipaddress("input_ip", "input IP", "", 15,"pattern='\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}'");
+  WiFiManagerParameter custom_ipaddress("input_ip", "input IP", "", 15,"pattern='\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}'"); // custom input attrs (ip mask)
 
   // callbacks
   wm.setAPCallback(configModeCallback);
@@ -114,11 +88,12 @@ void setup() {
   custom_html.setValue("test",4);
   custom_token.setValue("test",4);
 
+  // Set cutom menu via menu[] or vector
   // const char* menu[] = {"wifi","wifinoscan","info","param","close","sep","erase","restart","exit"};
-  // wm.setMenu(menu,9);
+  // wm.setMenu(menu,9); // custom menu array must provide length
 
   std::vector<const char *> menu = {"wifi","wifinoscan","info","param","close","sep","erase","restart","exit"};
-  // wm.setMenu(menu);
+  // wm.setMenu(menu); // custom menu, pass vector
   
   // set static sta ip
   // wm.setSTAStaticIPConfig(IPAddress(10,0,1,99), IPAddress(10,0,1,1), IPAddress(255,255,255,0));
@@ -153,7 +128,10 @@ void setup() {
     wm.setConfigPortalTimeout(60);
     wm.startConfigPortal();
   }
-
+  else {
+    //if you get here you have connected to the WiFi
+     Serial.println("connected...yeey :)");
+  }
   pinMode(TRIGGER_PIN, INPUT);
 }
 
@@ -161,22 +139,8 @@ void loop() {
   // is configuration portal requested?
   if ( digitalRead(TRIGGER_PIN) == LOW ) {
     Serial.println("BUTTON PRESSED");
-    //WiFiManager
-    //Local intialization. Once its business is done, there is no need to keep it around
-    //reset settings - for testing
-    //wm.resetSettings();
-
-    //sets timeout until configuration portal gets turned off
-    //useful to make it all retry or go to sleep, in seconds
     wm.setConfigPortalTimeout(120);
 
-    //it starts an access point with the specified name
-    //here  "AutoConnectAP"
-    //and goes into a blocking loop awaiting configuration
-
-    //WITHOUT THIS THE AP DOES NOT SEEM TO WORK PROPERLY WITH SDK 1.5 , update to at least 1.5.1
-    //WiFi.mode(WIFI_STA);
-    
     // disable captive portal redirection
     // wm.setCaptivePortalEnable(false);
     
@@ -186,9 +150,58 @@ void loop() {
     } else {
       //if you get here you have connected to the WiFi
       Serial.println("connected...yeey :)");
-    }  
+      getTime();
+    }
   }
 
+  if(WiFi.status() == WL_CONNECTED)  getTime();
   // put your main code here, to run repeatedly:
   delay(5000);
 }
+
+void getTime() {
+  int tz           = -5;
+  int dst          = 0;
+  time_t now       = time(nullptr);
+  unsigned timeout = 5000;
+  unsigned start   = millis();  
+  configTime(tz * 3600, dst * 3600, "pool.ntp.org", "time.nist.gov");
+  Serial.print("Waiting for NTP time sync: ");
+  while (now < 8 * 3600 * 2 ) {
+    delay(100);
+    Serial.print(".");
+    now = time(nullptr);
+    if((millis() - start) > timeout){
+      Serial.println("[ERROR] Failed to get NTP time.");
+      return;
+    }  
+  }
+  Serial.println("");
+  struct tm timeinfo;
+  gmtime_r(&now, &timeinfo);
+  Serial.print("Current time: ");
+  Serial.print(asctime(&timeinfo));
+}
+
+void debugchipid(){
+  // WiFi.mode(WIFI_STA);
+  // WiFi.printDiag(Serial);
+  // Serial.println(modes[WiFi.getMode()]);
+  
+  // ESP.eraseConfig();
+  // wm.resetSettings();
+  // wm.erase(true);
+  WiFi.mode(WIFI_AP);
+  // WiFi.softAP();
+  WiFi.enableAP(true);
+  delay(500);
+  // esp_wifi_start();
+  delay(1000);
+  WiFi.printDiag(Serial);
+  delay(60000);
+  ESP.restart();
+
+  // AP esp_267751
+  // 507726A4AE30
+  // ESP32 Chip ID = 507726A4AE30
+}