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Fix for issue 62, adding DHCP support. New begin() method added to EthernetClass which takes just a MAC address and gets the rest of its configuration information via DHCP. Examples updated to use the IPAddress class and some have been changed to get their config via DHCP.

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This commit is contained in:
amcewen
2011-01-16 20:11:50 +00:00
parent 5caad5bdb4
commit a42dc0b455
18 changed files with 662 additions and 74 deletions
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16
libraries/Ethernet/examples/WebClient/WebClient.pde
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@ -15,11 +15,10 @@
#include <SPI.h>
#include <Ethernet.h>
// Enter a MAC address and IP address for your controller below.
// The IP address will be dependent on your local network:
// 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 };
byte ip[] = { 192,168,1,177 };
byte server[] = { 173,194,33,104 }; // Google
IPAddress server(173,194,33,104); // Google
// Initialize the Ethernet client library
// with the IP address and port of the server
@ -27,10 +26,15 @@ byte server[] = { 173,194,33,104 }; // Google
Client client(server, 80);
void setup() {
// start the Ethernet connection:
Ethernet.begin(mac, ip);
// start the serial library:
Serial.begin(9600);
// start the Ethernet connection:
if (Ethernet.begin(mac) == 0) {
Serial.println("Failed to configure Ethernet using DHCP");
// no point in carrying on, so do nothing forevermore:
for(;;)
;
}
// give the Ethernet shield a second to initialize:
delay(1000);
Serial.println("connecting...");