IP Configuration

lib/WiFiEsp/examples/ConnectWPA/ConnectWPA.ino

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+/*
+ WiFiEsp example: ConnectWPA
+ 
+ This example connects to an encrypted WiFi network using an ESP8266 module.
+ Then it prints the  MAC address of the WiFi shield, the IP address obtained
+ and other network details.
+
+ For more details see: http://yaab-arduino.blogspot.com/p/wifiesp-example-connect.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
+
+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);
+  }
+
+  Serial.println("You're connected to the network");
+}
+
+void loop()
+{
+  // print the network connection information every 10 seconds
+  Serial.println();
+  printCurrentNet();
+  printWifiData();
+  
+  delay(10000);
+}
+
+void printWifiData()
+{
+  // print your WiFi shield's IP address
+  IPAddress ip = WiFi.localIP();
+  Serial.print("IP Address: ");
+  Serial.println(ip);
+
+  // print your MAC address
+  byte mac[6];
+  WiFi.macAddress(mac);
+  char buf[20];
+  sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", mac[5], mac[4], mac[3], mac[2], mac[1], mac[0]);
+  Serial.print("MAC address: ");
+  Serial.println(buf);
+}
+
+void printCurrentNet()
+{
+  // print the SSID of the network you're attached to
+  Serial.print("SSID: ");
+  Serial.println(WiFi.SSID());
+
+  // print the MAC address of the router you're attached to
+  byte bssid[6];
+  WiFi.BSSID(bssid);
+  char buf[20];
+  sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", bssid[5], bssid[4], bssid[3], bssid[2], bssid[1], bssid[0]);
+  Serial.print("BSSID: ");
+  Serial.println(buf);
+
+  // print the received signal strength
+  long rssi = WiFi.RSSI();
+  Serial.print("Signal strength (RSSI): ");
+  Serial.println(rssi);
+}