enc28j60有访问局域网IP的办法吗

lkmdcw

enc28j60我现代码访问域名外网是正常，但改为局域网IP,就不行，有解决办法吗

lkmdcw

1. #include <EtherCard.h>
   
2. #include <OneWire.h>
   
3. #include <DallasTemperature.h>
   
4. 
   
5. #define SEND_INTERVAL  30000
   
6. #define TIMEOUT        5000
   
7. #define ONE_WIRE_BUS   2
   
8. #define STATUS_IDLE    0
   
9. #define STATUS_SENT    1
   
10. 
    
11. static byte mymac[] = {0xDD,0xDD,0xDD,0x00,0x00,0x01};
    
12. byte Ethernet::buffer[700];
    
13. 
    
14. char website[] PROGMEM = "192.168.1.18";
    
15. char password[] PROGMEM = "password";
    
16. 
    
17. OneWire oneWire(ONE_WIRE_BUS);
    
18. DallasTemperature sensors(&oneWire);
    
19. 
    
20. unsigned long previousMillis = 0;
    
21. static byte session_id;
    
22. byte actual_status;
    
23. 
    
24. void setup () {
    
25. 
    
26.   Serial.begin(57600);
    
27.   Serial.println("WebTemperature demo");
    
28.   Serial.println();
    
29. 
    
30.   if (!ether.begin(sizeof Ethernet::buffer, mymac, 10)) {
    
31.     Serial.println( "Failed to access Ethernet controller");
    
32.     while(1);
    
33.   } else Serial.println("Ethernet controller initialized");
    
34. 
    
35.   if (!ether.dhcpSetup()) {
    
36.     Serial.println("Failed to get configuration from DHCP");
    
37.     while(1);
    
38.   } else Serial.println("DHCP configuration done");
    
39. 
    
40.   if (!ether.dnsLookup(website)) {
    
41.     Serial.print("Unable to resolve Website IP");
    
42.     while(1);
    
43.   } else Serial.println("Website IP resolved");
    
44.   
    
45.   Serial.println();
    
46.   ether.printIp("IP Address:\t", ether.myip);
    
47.   ether.printIp("Netmask:\t", ether.netmask);
    
48.   ether.printIp("Gateway:\t", ether.gwip);
    
49.   ether.printIp("Website IP:\t", ether.hisip);
    
50.   Serial.println();
    
51. }
    
52.   
    
53. void loop() {
    
54. 
    
55.   ether.packetLoop(ether.packetReceive());
    
56.   unsigned long currentMillis = millis();
    
57.   
    
58.   switch(actual_status) {
    
59.     case STATUS_IDLE:
    
60.       if(currentMillis - previousMillis > SEND_INTERVAL) {
    
61.         previousMillis = currentMillis;
    
62.         sendTemperature();        
    
63.       }
    
64.       break;
    
65.     case STATUS_SENT:
    
66.       if(currentMillis - previousMillis > TIMEOUT) {
    
67.         Serial.println("No response");
    
68.         previousMillis = currentMillis;
    
69.         actual_status = STATUS_IDLE;
    
70.       }
    
71.       checkResponse();
    
72.   }
    
73. }   
    
74.   
    
75. void sendTemperature() {
    
76.   
    
77.   sensors.requestTemperatures();
    
78.   float float_temp = sensors.getTempCByIndex(0);
    
79.   
    
80.   char string_temp[7];
    
81.   dtostrf(float_temp, 4, 2, string_temp);
    
82.   
    
83.   Stash stash;
    
84.   byte sd = stash.create();
    
85.   stash.print(string_temp);
    
86.   stash.save();
    
87. 
    
88.   Stash::prepare(PSTR("GET /demo/saveTemp.php?temp=$H&pwd=$F HTTP/1.0" "\r\n"
    
89.     "Host: $F" "\r\n" "\r\n"),
    
90.     sd, password, website);
    
91.   session_id = ether.tcpSend();
    
92.   Serial.print("Temperature ");
    
93.   Serial.print(string_temp);
    
94.   Serial.print(" sent to website... ");
    
95.   actual_status = STATUS_SENT;
    
96. }
    
97. 
    
98. void checkResponse() {
    
99.   
    
100.   const char* reply = ether.tcpReply(session_id);
     
101.   if(reply > 0) {
     
102.     if(strstr(reply, "KO - ") != 0) Serial.println(strstr(reply, "KO - "));
     
103.     else Serial.println("OK");
     
104.     actual_status = STATUS_IDLE;  
     
105.   }
     
106. }

复制代码