IP Configuration

lib/WiFiEsp/examples/WebClientSSL/WebClientSSL.ino

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+/*
+ WiFiEsp example: WebClient
+
+ This sketch connects to google website using an ESP8266 module to
+ perform a simple web search.
+
+ For more details see: http://yaab-arduino.blogspot.com/p/wifiesp-example-client.html
+*/
+
+#include "WiFiEsp.h"
+
+// Emulate Serial1 on pins 6/7 if not present
+#ifndef HAVE_HWSERIAL1
+#include "SoftwareSerial.h"
+SoftwareSerial Serial1(6, 7); // RX, TX
+#endif
+
+char ssid[] = "Twim";            // your network SSID (name)
+char pass[] = "12345678";        // your network password
+int status = WL_IDLE_STATUS;     // the Wifi radio's status
+
+char server[] = "www.google.com";
+
+// Initialize the Ethernet client object
+WiFiEspClient client;
+
+void setup()
+{
+  // initialize serial for debugging
+  Serial.begin(115200);
+  // initialize serial for ESP module
+  Serial1.begin(9600);
+  // initialize ESP module
+  WiFi.init(&Serial1);
+
+  // check for the presence of the shield
+  if (WiFi.status() == WL_NO_SHIELD) {
+    Serial.println("WiFi shield not present");
+    // don't continue
+    while (true);
+  }
+
+  // attempt to connect to WiFi network
+  while ( status != WL_CONNECTED) {
+    Serial.print("Attempting to connect to WPA SSID: ");
+    Serial.println(ssid);
+    // Connect to WPA/WPA2 network
+    status = WiFi.begin(ssid, pass);
+  }
+
+  // you're connected now, so print out the data
+  Serial.println("You're connected to the network");
+  
+  printWifiStatus();
+
+  Serial.println();
+  Serial.println("Starting connection to server...");
+  // if you get a connection, report back via serial
+  if (client.connectSSL(server, 443)) {
+    Serial.println("Connected to server");
+    // Make a HTTP request
+    client.println("GET / HTTP/1.1");
+    client.println("Host: www.google.com");
+    client.println("Connection: close");
+    client.println();
+  }
+}
+
+void loop()
+{
+  // if there are incoming bytes available
+  // from the server, read them and print them
+  while (client.available()) {
+    char c = client.read();
+    Serial.write(c);
+  }
+
+  // if the server's disconnected, stop the client
+  if (!client.connected()) {
+    Serial.println();
+    Serial.println("Disconnecting from server...");
+    client.stop();
+
+    // do nothing forevermore
+    while (true);
+  }
+}
+
+
+void printWifiStatus()
+{
+  // print the SSID of the network you're attached to
+  Serial.print("SSID: ");
+  Serial.println(WiFi.SSID());
+
+  // print your WiFi shield's IP address
+  IPAddress ip = WiFi.localIP();
+  Serial.print("IP Address: ");
+  Serial.println(ip);
+
+  // print the received signal strength
+  long rssi = WiFi.RSSI();
+  Serial.print("Signal strength (RSSI):");
+  Serial.print(rssi);
+  Serial.println(" dBm");
+}