59 lines
1.6 KiB
Arduino
59 lines
1.6 KiB
Arduino
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// Example of EtherCard usage, contributed by Will Rose, 2012-07-05.
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#include <EtherCard.h>
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#define BUF_SIZE 512
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byte mac[] = { 0x00, 0x04, 0xA3, 0x21, 0xCA, 0x38 }; // Nanode MAC address.
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uint8_t ip[] = { 192, 168, 1, 8 }; // The fallback board address.
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uint8_t dns[] = { 192, 168, 1, 20 }; // The DNS server address.
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uint8_t gateway[] = { 192, 168, 1, 20 }; // The gateway router address.
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uint8_t subnet[] = { 255, 255, 255, 0 }; // The subnet mask.
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byte Ethernet::buffer[BUF_SIZE];
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byte fixed; // Address fixed, no DHCP
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void setup(void)
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{
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Serial.begin(57600);
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delay(2000);
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/* Check that the Ethernet controller exists */
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Serial.println("Initialising the Ethernet controller");
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if (ether.begin(sizeof Ethernet::buffer, mac, 8) == 0) {
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Serial.println( "Ethernet controller NOT initialised");
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while (true)
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/* MT */ ;
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}
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/* Get a DHCP connection */
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Serial.println("Attempting to get an IP address using DHCP");
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fixed = false;
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if (ether.dhcpSetup()) {
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ether.printIp("Got an IP address using DHCP: ", ether.myip);
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}
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/* If DHCP fails, start with a hard-coded address */
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else {
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ether.staticSetup(ip, gateway, dns);
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ether.printIp("DHCP FAILED, using fixed address: ", ether.myip);
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fixed = true;
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}
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return;
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}
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void loop(void)
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{
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word rc;
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/* These function calls are required if ICMP packets are to be accepted */
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rc = ether.packetLoop(ether.packetReceive());
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Serial.print("ether.packetLoop() returned ");
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Serial.println(rc, DEC);
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// For debugging
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delay(5000);
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return;
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}
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