28j60用ethercard库，示例都无法完成。求助！

坤遠遊森林

1. // Demo using DHCP and DNS to perform a web client request.
   
2. // 2011-06-08 <[email][email protected][/email]> [url]http://opensource.org/licenses/mit-license.php[/url]
   
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. char website[] PROGMEM = "www.google.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+300] = 0;
    
18.   Serial.print((const char*) Ethernet::buffer + off);
    
19.   Serial.println("...");
    
20. }
    
21. 
    
22. void setup () {
    
23.   Serial.begin(57600);
    
24.   Serial.println("\n[webClient]");
    
25. 
    
26.   if (ether.begin(sizeof Ethernet::buffer, mymac) == 0)
    
27.     Serial.println( "Failed to access Ethernet controller");
    
28.   if (!ether.dhcpSetup())
    
29.     Serial.println("DHCP failed");
    
30. 
    
31.   ether.printIp("IP:  ", ether.myip);
    
32.   ether.printIp("GW:  ", ether.gwip);  
    
33.   ether.printIp("DNS: ", ether.dnsip);  
    
34. 
    
35.   if (!ether.dnsLookup(website))
    
36.     Serial.println("DNS failed");
    
37.    
    
38.   ether.printIp("SRV: ", ether.hisip);
    
39. }
    
40. 
    
41. void loop () {
    
42.   ether.packetLoop(ether.packetReceive());
    
43.   
    
44.   if (millis() > timer) {
    
45.     timer = millis() + 5000;
    
46.     Serial.println();
    
47.     Serial.print("<<< REQ ");
    
48.     ether.browseUrl(PSTR("/foo/"), "bar", website, my_callback);
    
49.   }
    
50. }

复制代码

跑webclient这个示例。下载到板上，28j60的两个灯都不亮。
串口监视是这样的。。求助啊！！

┏ωǒ┛菰独

我也一直很郁闷

zcbzjx

请详细说接线和arduino种类，这个库绝没问题的

zhangdeyue1

亲~！请修改您的波特率~！