bendns' repos / ArduinoStuff
arduino stuffs
Diffstat (limited to 'libraries/Ethernet/examples/WebClient/WebClient.ino')
-rw-r--r--libraries/Ethernet/examples/WebClient/WebClient.ino137
1 files changed, 137 insertions, 0 deletions
diff --git a/libraries/Ethernet/examples/WebClient/WebClient.ino b/libraries/Ethernet/examples/WebClient/WebClient.ino
new file mode 100644
index 0000000..45e01ee
--- /dev/null
+++ b/libraries/Ethernet/examples/WebClient/WebClient.ino
@@ -0,0 +1,137 @@
+/*
+ Web client
+
+ This sketch connects to a website (http://www.google.com)
+ using an Arduino Wiznet Ethernet shield.
+
+ Circuit:
+ * Ethernet shield attached to pins 10, 11, 12, 13
+
+ created 18 Dec 2009
+ by David A. Mellis
+ modified 9 Apr 2012
+ by Tom Igoe, based on work by Adrian McEwen
+
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+// Enter a MAC address for your controller below.
+// Newer Ethernet shields have a MAC address printed on a sticker on the shield
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+
+// if you don't want to use DNS (and reduce your sketch size)
+// use the numeric IP instead of the name for the server:
+//IPAddress server(74,125,232,128); // numeric IP for Google (no DNS)
+char server[] = "www.google.com"; // name address for Google (using DNS)
+
+// Set the static IP address to use if the DHCP fails to assign
+IPAddress ip(192, 168, 0, 177);
+IPAddress myDns(192, 168, 0, 1);
+
+// Initialize the Ethernet client library
+// with the IP address and port of the server
+// that you want to connect to (port 80 is default for HTTP):
+EthernetClient client;
+
+// Variables to measure the speed
+unsigned long beginMicros, endMicros;
+unsigned long byteCount = 0;
+bool printWebData = true; // set to false for better speed measurement
+
+void setup() {
+ // You can use Ethernet.init(pin) to configure the CS pin
+ //Ethernet.init(10); // Most Arduino shields
+ //Ethernet.init(5); // MKR ETH shield
+ //Ethernet.init(0); // Teensy 2.0
+ //Ethernet.init(20); // Teensy++ 2.0
+ //Ethernet.init(15); // ESP8266 with Adafruit Featherwing Ethernet
+ //Ethernet.init(33); // ESP32 with Adafruit Featherwing Ethernet
+
+ // Open serial communications and wait for port to open:
+ Serial.begin(9600);
+ while (!Serial) {
+ ; // wait for serial port to connect. Needed for native USB port only
+ }
+
+ // start the Ethernet connection:
+ Serial.println("Initialize Ethernet with DHCP:");
+ if (Ethernet.begin(mac) == 0) {
+ Serial.println("Failed to configure Ethernet using DHCP");
+ // Check for Ethernet hardware present
+ if (Ethernet.hardwareStatus() == EthernetNoHardware) {
+ Serial.println("Ethernet shield was not found. Sorry, can't run without hardware. :(");
+ while (true) {
+ delay(1); // do nothing, no point running without Ethernet hardware
+ }
+ }
+ if (Ethernet.linkStatus() == LinkOFF) {
+ Serial.println("Ethernet cable is not connected.");
+ }
+ // try to congifure using IP address instead of DHCP:
+ Ethernet.begin(mac, ip, myDns);
+ } else {
+ Serial.print(" DHCP assigned IP ");
+ Serial.println(Ethernet.localIP());
+ }
+ // give the Ethernet shield a second to initialize:
+ delay(1000);
+ Serial.print("connecting to ");
+ Serial.print(server);
+ Serial.println("...");
+
+ // if you get a connection, report back via serial:
+ if (client.connect(server, 80)) {
+ Serial.print("connected to ");
+ Serial.println(client.remoteIP());
+ // Make a HTTP request:
+ client.println("GET /search?q=arduino HTTP/1.1");
+ client.println("Host: www.google.com");
+ client.println("Connection: close");
+ client.println();
+ } else {
+ // if you didn't get a connection to the server:
+ Serial.println("connection failed");
+ }
+ beginMicros = micros();
+}
+
+void loop() {
+ // if there are incoming bytes available
+ // from the server, read them and print them:
+ int len = client.available();
+ if (len > 0) {
+ byte buffer[80];
+ if (len > 80) len = 80;
+ client.read(buffer, len);
+ if (printWebData) {
+ Serial.write(buffer, len); // show in the serial monitor (slows some boards)
+ }
+ byteCount = byteCount + len;
+ }
+
+ // if the server's disconnected, stop the client:
+ if (!client.connected()) {
+ endMicros = micros();
+ Serial.println();
+ Serial.println("disconnecting.");
+ client.stop();
+ Serial.print("Received ");
+ Serial.print(byteCount);
+ Serial.print(" bytes in ");
+ float seconds = (float)(endMicros - beginMicros) / 1000000.0;
+ Serial.print(seconds, 4);
+ float rate = (float)byteCount / seconds / 1000.0;
+ Serial.print(", rate = ");
+ Serial.print(rate);
+ Serial.print(" kbytes/second");
+ Serial.println();
+
+ // do nothing forevermore:
+ while (true) {
+ delay(1);
+ }
+ }
+}
+