/* @Author: TONYLABS @Date: 2013/02/01 */
#include #include #include
byte mac[6] = { 0xBE, 0xEF, 0x00, 0x00, 0x00, 0x00 }; char macstr[18];
void setup() { Serial.begin(9600); // Random MAC address stored in EEPROM if (EEPROM.read(1) == '#') { for (int i = 2; i < 6; i++) { mac[i] = EEPROM.read(i); } } else { randomSeed(analogRead(0)); for (int i = 2; i < 6; i++) { mac[i] = random(0, 255); EEPROM.write(i, mac[i]); } EEPROM.write(1, '#'); } snprintf(macstr, 18, "%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
//@启动网络，开始响应DHCP Serial.print("DHCP ("); Serial.print(macstr); Serial.print(")..."); Ethernet.begin(mac); Serial.print("success: "); Serial.println(Ethernet.localIP()); } void loop() {
} /* @end */