update AddrList and examples (#5422)

libraries/ESP8266WiFi/examples/IPv6/IPv6.ino

@@ -66,11 +66,11 @@ void status(Print& out) {
   out.println(F("(with 'telnet <addr> or 'nc -u <addr> 23')"));
   for (auto a : addrList) {
     out.printf("IF='%s' IPv6=%d local=%d hostname='%s' addr= %s",
-               a.iface().c_str(),
-               !a.addr().isV4(),
-               a.addr().isLocal(),
-               a.hostname(),
-               a.addr().toString().c_str());
+               a.ifname().c_str(),
+               a.isV6(),
+               a.isLocal(),
+               a.ifhostname(),
+               a.toString().c_str());
 
     if (a.isLegacy()) {
       out.printf(" / mask:%s / gw:%s",
@@ -79,6 +79,7 @@ void status(Print& out) {
     }
 
     out.println();
+
   }
 
   // lwIP's dns client will ask for IPv4 first (by default)
@@ -96,12 +97,14 @@ void setup() {
   Serial.println();
   Serial.println(ESP.getFullVersion());
 
+  Serial.printf("IPV6 is%s enabled\n", LWIP_IPV6 ? emptyString.c_str() : " NOT");
+
   WiFi.mode(WIFI_STA);
   WiFi.begin(STASSID, STAPSK);
 
   status(Serial);
 
-#if 0
+#if 0 // 0: legacy connecting loop - 1: wait for IPv6
 
   // legacy loop (still valid with IPv4 only)
 

libraries/ESP8266httpUpdate/examples/httpUpdateSigned/httpUpdateSigned.ino

@@ -21,6 +21,11 @@
 #include <ESP8266HTTPClient.h>
 #include <ESP8266httpUpdate.h>
 
+#ifndef STASSID
+#define STASSID "your-ssid"
+#define STAPSK  "your-password"
+#endif
+
 ESP8266WiFiMulti WiFiMulti;
 
 #define MANUAL_SIGNING 0
@@ -66,7 +71,7 @@ void setup() {
   }
 
   WiFi.mode(WIFI_STA);
-  WiFiMulti.addAP("SSID", "PASS");
+  WiFiMulti.addAP(STASSID, STAPSK);
 
   #if MANUAL_SIGNING
   signPubKey = new BearSSL::PublicKey(pubkey);