callback happens before WiFi.begin()

Author: mcspr

libraries/ESP8266WiFi/examples/WiFiMulti/WiFiMulti.ino

@@ -8,7 +8,7 @@
     - Connect to WiFi with strongest signal (RSSI)
     - Fall back to connect to next WiFi when a connection failed or lost
     - Fall back to connect to hidden SSID's which are not reported by WiFi scan
-    - Static IP assigned depending on which SSID is connected
+    - Connect to WiFi using a static IP configuration
 
     To enable debugging output, select in the Arduino iDE:
     - Tools | Debug Port: Serial
@@ -37,13 +37,14 @@ void setup() {
   wifiMulti.addAP("ssid_from_AP_2", "your_password_for_AP_2");
   wifiMulti.addAP("ssid_from_AP_3", "your_password_for_AP_3");
 
-  wifiMulti.onSSIDSelected(connectedToSSID);
+  // Register custom SSID callback
+  wifiMulti.onSSIDSelected(onSSIDSelected);
 
-  // More is possible
+  // Insert more sketch code
 }
 
-void connectedToSSID(const char *ssid) {
-  // On connecting to the second AP, assign static IP using config(...).
+void onSSIDSelected(const char *ssid) {
+  // Before connecting to the second AP, assign static IP using config(...).
   if (strcmp(ssid, "ssid_from_AP_2") == 0) {
     IPAddress ip2(192, 168, 1, 123);
     IPAddress gw2(192, 168, 1, 1);
@@ -52,7 +53,7 @@ void connectedToSSID(const char *ssid) {
     return;
   }
 
-  // For other SSID DHCP will be used.
+  // Make sure that DHCP is used for other networks.
   WiFi.config(0U, 0U, 0U);
 }