daily_automated

trunk/Arduino/libraries/EtherCard/examples/nanether/nanether.ino

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+// Example of EtherCard usage, contributed by Will Rose, 2012-07-05.
+//
+// License: GPLv2
+
+#include <EtherCard.h>
+
+#define BUF_SIZE 512
+
+byte mac[] = { 0x00, 0x04, 0xA3, 0x21, 0xCA, 0x38 };   // Nanode MAC address.
+
+uint8_t ip[] = { 192, 168, 1, 8 };          // The fallback board address.
+uint8_t dns[] = { 192, 168, 1, 20 };        // The DNS server address.
+uint8_t gateway[] = { 192, 168, 1, 20 };    // The gateway router address.
+uint8_t subnet[] = { 255, 255, 255, 0 };    // The subnet mask.
+byte Ethernet::buffer[BUF_SIZE];
+byte fixed;                                 // Address fixed, no DHCP
+
+void setup(void)
+{
+    Serial.begin(57600);
+    delay(2000);
+
+    /* Check that the Ethernet controller exists */
+    Serial.println("Initialising the Ethernet controller");
+
+    // Change 'SS' to your Slave Select pin, if you arn't using the default pin
+    if (ether.begin(sizeof Ethernet::buffer, mac, SS) == 0) {
+        Serial.println( "Ethernet controller NOT initialised");
+        while (true)
+            /* MT */ ;
+    }
+
+    /* Get a DHCP connection */
+    Serial.println("Attempting to get an IP address using DHCP");
+    fixed = false;
+    if (ether.dhcpSetup()) {
+        ether.printIp("Got an IP address using DHCP: ", ether.myip);
+    }
+    /* If DHCP fails, start with a hard-coded address */
+    else {
+        ether.staticSetup(ip, gateway, dns);
+        ether.printIp("DHCP FAILED, using fixed address: ", ether.myip);
+        fixed = true;
+    }
+
+    return;
+}
+
+void loop(void)
+{
+    word rc;
+
+    /* These function calls are required if ICMP packets are to be accepted */
+    rc = ether.packetLoop(ether.packetReceive());
+    Serial.print("ether.packetLoop() returned ");
+    Serial.println(rc, DEC);
+
+    // For debugging
+    delay(5000);
+
+    return;
+}