Fix hangup on no internet

lib/ESP32Ping/examples/SimplePing/SimplePing.ino

@@ -0,0 +1,44 @@
+/*
+ * With this library an ESP8266 can ping a remote machine and know if it's reachable. 
+ * It provides some basic measurements on ping messages (avg response time).
+ */
+
+#include <WiFi.h>
+#include <ESP32Ping.h>
+
+const char* ssid     = "ssid";
+const char* password = "passphrase";
+
+const IPAddress remote_ip(192, 168, 0, 1);
+
+void setup() {
+  Serial.begin(115200);
+  delay(10);
+
+  // We start by connecting to a WiFi network
+
+  Serial.println();
+  Serial.println("Connecting to WiFi");
+  
+  WiFi.begin(ssid, password);
+  
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(100);
+    Serial.print(".");
+  }
+
+  Serial.println();
+  Serial.print("WiFi connected with ip ");  
+  Serial.println(WiFi.localIP());
+
+  Serial.print("Pinging ip ");
+  Serial.println(remote_ip);
+
+  if(Ping.ping(remote_ip)) {
+    Serial.println("Success!!");
+  } else {
+    Serial.println("Error :(");
+  }
+}
+
+void loop() { }