Class WiFiClient
WiFiClient Class
Members
Public Constructors |
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|---|---|
WiFiClient::WiFiClient |
Constructs a WiFiClient instance that connects to the specified IP address and port. |
Public Methods |
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WiFiClient::connect |
Connect to the IP address and port |
WiFiClient::write |
Write a single byte into the packet |
WiFiClient::available |
Number of bytes remaining in the current packet |
WiFiClient::read |
Read a single byte from the current packet |
WiFiClient:: peek |
Return the next byte from the current packet without moving on to the next byte |
WiFiClient:: flush |
Finish reading the current packet |
WiFiClient::stop |
Stop client connection |
WiFiClient::connected |
Check if client is connected, return 1 if connected, 0 if not |
WiFiClient::setRecvTimeout |
Set receiving timeout |
WiFiClient::WiFiClient
#include <WiFi.h>
char ssid[] = “yourNetwork”; // your network SSID (name)
char pass[] = “password”; // your network password (use for WPA, or use as key for WEP)
int keyIndex = 0; // your network key Index number (needed only for WEP)
int status = WL_IDLE_STATUS;
//IPAddress server(64,233,189,94); // numeric IP for Google (no DNS)
char server[] = “www.google.com”; // name address for Google (using DNS)
WiFiClient client;
void setup() {
//Initialize serial and wait for port to open:
Serial.begin(9600);
while (!Serial) {
;
}
// check for the presence of the shield:
if (WiFi.status() == WL_NO_SHIELD) {
Serial.println(“WiFi shield not present”);
// don’t continue:
while (true);
}
String fv = WiFi.firmwareVersion();
if (fv != “1.1.0”) {
Serial.println(“Please upgrade the firmware”);
}
// attempt to connect to Wifi network:
while (status != WL_CONNECTED) {
Serial.print(“Attempting to connect to SSID: “);
Serial.println(ssid);
// Connect to WPA/WPA2 network. Change this line if using open or WEP network:
status = WiFi.begin(ssid, pass);
// wait 10 seconds for connection:
delay(10000);
}
Serial.println(“Connected to wifi”);
printWifiStatus();
Serial.println(”nStarting connection to server…”);
// if you get a connection, report back via serial:
if (client.connect(server, 80)) {
Serial.println(“connected to server”);
// Make a HTTP request:
client.println(“GET /search?q=ameba 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”);
}
WiFiClient::connect
WiFiClient::write
WiFiClient::available
WiFiClient::read
WiFiClient::peek
WiFiClient::flush
WiFiClient::stop
WiFiClient::connected
WiFiClient::setRecvTimeout