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| 1 | // Demo using DHCP and DNS to perform a web client request. | |
| 2 | // 2011-06-08 <[email protected]> http://opensource.org/licenses/mit-license.php | |
| 3 | ||
| 4 | #include <EtherCard.h> | |
| 5 | ||
| 6 | // ethernet interface mac address, must be unique on the LAN | |
| 7 | static byte mymac[] = { 0x74,0x69,0x69,0x2D,0x30,0x31 };
| |
| 8 | ||
| 9 | byte Ethernet::buffer[700]; | |
| 10 | static uint32_t timer; | |
| 11 | ||
| 12 | const char website[] PROGMEM = "www.yoerik.com"; | |
| 13 | ||
| 14 | // called when the client request is complete | |
| 15 | static void my_callback (byte status, word off, word len) {
| |
| 16 | Serial.println(">>>");
| |
| 17 | Ethernet::buffer[off+600] = 0; | |
| 18 | ||
| 19 | ||
| 20 | //String potato = tomato.substring(260); | |
| 21 | Serial.print(( const char* )Ethernet::buffer+off); | |
| 22 | Serial.println("...");
| |
| 23 | } | |
| 24 | ||
| 25 | void setup () {
| |
| 26 | Serial.begin(57600); | |
| 27 | Serial.println("\n[webClient]");
| |
| 28 | ||
| 29 | if (ether.begin(sizeof Ethernet::buffer, mymac) == 0) | |
| 30 | Serial.println( "Failed to access Ethernet controller"); | |
| 31 | if (!ether.dhcpSetup()) | |
| 32 | Serial.println("DHCP failed");
| |
| 33 | ||
| 34 | ether.printIp("IP: ", ether.myip);
| |
| 35 | ether.printIp("GW: ", ether.gwip);
| |
| 36 | ether.printIp("DNS: ", ether.dnsip);
| |
| 37 | ||
| 38 | if (!ether.dnsLookup(website)) | |
| 39 | Serial.println("DNS failed");
| |
| 40 | ||
| 41 | ether.printIp("SRV: ", ether.hisip);
| |
| 42 | } | |
| 43 | ||
| 44 | void loop () {
| |
| 45 | ether.packetLoop(ether.packetReceive()); | |
| 46 | ||
| 47 | if (millis() > timer) {
| |
| 48 | timer = millis() + 5000; | |
| 49 | Serial.println(); | |
| 50 | Serial.print("<<< REQ ");
| |
| 51 | ether.persistTcpConnection(true); | |
| 52 | ether.browseUrl(PSTR("/cooking/"), "barcode.php?bar=0013800102010&power=700", website, my_callback);
| |
| 53 | } | |
| 54 | } |
