uno+w5100向yeelink传数据，经常会没反应

lemodd

uno+w5100向yeelink传数据，经常在运行4，5个小时后会停止上传数据，断电重起，或按reset键可以恢复，
但是过一段时间又会出现同样问题，我参考修改的官方代码，请问有什么方法解决，或怎么在程序内过一段时间自动reset下，谢谢！！
我的yeelink网址http://www.yeelink.net/devices/2432
还有代码

1. #include <SPI.h>
   
2. #include <Ethernet.h>
   
3. #include <dht11.h>
   
4. 
   
5. dht11 DHT11;
   
6. #define DHT11PIN 3 //DHT11 PIN 3 连接UNO 3
   
7. #define LIGHTPIN 0 //light sensor > analog pin 0
   
8. 
   
9. #define APIKEY         "******************************" // replace your yeelink api key here
   
10. #define DEVICEID                2*** // replace your device ID
    
11. #define TEMPERATURE_SENSORID    3*** // temperature
    
12. #define HUMIDITY_SENSORID       3*** //humidity
    
13. #define LIGHT_SENSORID          3*** //light
    
14. 
    
15. // assign a MAC address for the ethernet controller.
    
16. byte mac[] = { 0x00, 0x1D, 0x72, 0x82, 0x35, 0x9D};
    
17. // initialize the library instance:
    
18. EthernetClient client;
    
19. char server[] = "api.yeelink.net";   // name address for yeelink API
    
20. 
    
21. unsigned long lastConnectionTime = 0;          // last time you connected to the server, in milliseconds
    
22. boolean lastConnected = false;                 // state of the connection last time through the main loop
    
23. const unsigned long postingInterval = 30*1000; // delay between 2 datapoints, 30s
    
24. 
    
25. 
    
26. int sensor = 0;   //which sesor to read
    
27.                   //0 temperature
    
28.                   //1 humidity
    
29.                   //2 light
    
30. 
    
31. 
    
32. void setup()
    
33. {
    
34.   Serial.begin(115200);
    
35.   pinMode(resetPIN,OUTPUT);
    
36. 
    
37.   if (Ethernet.begin(mac) == 0) {
    
38.     Serial.println("Failed to configure Ethernet using DHCP");
    
39.     for(;;)
    
40.       ;
    
41.   }
    
42.   else {
    
43.     Serial.println("Ethernet configuration OK");
    
44.   }
    
45. 
    
46.   Serial.println("DHT11 TEST PROGRAM ");
    
47.   Serial.print("LIBRARY VERSION: ");
    
48.   Serial.println(DHT11LIB_VERSION);
    
49.   Serial.println();
    
50. }
    
51. 
    
52. void loop()
    
53. {
    
54.   
    
55.   // if there's incoming data from the net connection.
    
56.   // send it out the serial port.  This is for debugging
    
57.   // purposes only:
    
58.   if (client.available()) {
    
59.     char c = client.read();
    
60.     Serial.print(c);
    
61.   }
    
62. 
    
63.   // if there's no net connection, but there was one last time
    
64.   // through the loop, then stop the client:
    
65.   if (!client.connected() && lastConnected) {
    
66.     Serial.println();
    
67.     Serial.println("disconnecting.");
    
68.     client.stop();
    
69.   }
    
70. 
    
71.   // if you're not connected, and ten seconds have passed since
    
72.   // your last connection, then connect again and send data:
    
73.   if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) {
    
74.     // read sensor data, replace with your code
    
75.     //int sensorReading = readLightSensor();
    
76.     //int tempC = analogRead(0)*500/1024;
    
77.     //send data to server
    
78.    
    
79.    
    
80.       switch(sensor){
    
81.         case 0:
    
82.           sendData(readSensor(HUMIDITY_SENSORID), HUMIDITY_SENSORID);
    
83.           break;
    
84.         case 1:
    
85.           sendData(readSensor(TEMPERATURE_SENSORID), TEMPERATURE_SENSORID);
    
86.           break;
    
87.         case 2:
    
88.           sendData(readSensor(LIGHT_SENSORID), LIGHT_SENSORID);
    
89.           break;
    
90.       }
    
91.       
    
92.       if(++sensor > 2) sensor = 0;
    
93. 
    
94. 
    
95.   }
    
96.   // store the state of the connection for next time through
    
97.   // the loop:
    
98.   //
    
99.   
    
100.   lastConnected = client.connected();
     
101. }
     
102. 
     
103. 
     
104. int readSensor(int sensor_id){
     
105.   Serial.println("\n");
     
106. 
     
107.   if (sensor_id == LIGHT_SENSORID)
     
108.   {
     
109.     int v = analogRead(LIGHTPIN);
     
110.     Serial.print("light:");
     
111.     Serial.println(v);
     
112.     return v;
     
113.   }
     
114. 
     
115. 
     
116.   int chk = DHT11.read(DHT11PIN);
     
117. 
     
118.   Serial.print("Read sensor: ");
     
119.   switch (chk)
     
120.   {
     
121.     case DHTLIB_OK:
     
122.                 Serial.println("OK");
     
123.                 break;
     
124.     case DHTLIB_ERROR_CHECKSUM:
     
125.                 Serial.println("Checksum error");
     
126.                 break;
     
127.     case DHTLIB_ERROR_TIMEOUT:
     
128.                 Serial.println("Time out error");
     
129.                 break;
     
130.     default:
     
131.                 Serial.println("Unknown error");
     
132.                 break;
     
133.   }
     
134. 
     
135.   if(sensor_id == HUMIDITY_SENSORID){
     
136.     Serial.print("Humidity (%): ");
     
137.     Serial.println(DHT11.humidity);
     
138.     return DHT11.humidity;
     
139.   }else{
     
140.     Serial.print("Temperature (C): ");
     
141.     Serial.println(DHT11.temperature);
     
142.     return DHT11.temperature;
     
143.   }
     
144. }
     
145. 
     
146. 
     
147. void sendData(int thisData, int sensor_id) {
     
148.   // if there's a successful connection:
     
149.   if (client.connect(server, 80)) {
     
150.     Serial.println("connecting...");
     
151.     // send the HTTP PUT request:
     
152.     client.print("POST /v1.0/device/");
     
153.     client.print(DEVICEID);
     
154.     client.print("/sensor/");
     
155.     client.print(sensor_id);
     
156.     client.print("/datapoints");
     
157.     client.println(" HTTP/1.1");
     
158.     client.println("Host: api.yeelink.net");
     
159.     client.print("Accept: *");
     
160.     client.print("/");
     
161.     client.println("*");
     
162.     client.print("U-ApiKey: ");
     
163.     client.println(APIKEY);
     
164.     client.print("Content-Length: ");
     
165. 
     
166.     // calculate the length of the sensor reading in bytes:
     
167.     // 8 bytes for {"value":} + number of digits of the data:
     
168.     int thisLength = 10 + getLength(thisData);
     
169.     client.println(thisLength);
     
170. 
     
171.     client.println("Content-Type: application/x-www-form-urlencoded");
     
172.     client.println("Connection: close");
     
173.     client.println();
     
174. 
     
175.     // here's the actual content of the PUT request:
     
176.     client.print("{"value":");
     
177.     client.print(thisData);
     
178.     client.println("}");
     
179.   }
     
180.   else {
     
181.     // if you couldn't make a connection:
     
182.     //
     
183.    
     
184.     Serial.println("connection failed");
     
185.     Serial.println();
     
186.     Serial.println("disconnecting.");
     
187.     client.stop();
     
188.   }
     
189.    // note the time that the connection was made or attempted:
     
190.   lastConnectionTime = millis();
     
191. }
     
192. 
     
193. // This method calculates the number of digits in the
     
194. // sensor reading.  Since each digit of the ASCII decimal
     
195. // representation is a byte, the number of digits equals
     
196. // the number of bytes:
     
197. int getLength(int someValue) {
     
198.   // there's at least one byte:
     
199.   int digits = 1;
     
200.   // continually divide the value by ten,
     
201.   // adding one to the digit count for each
     
202.   // time you divide, until you're at 0:
     
203.   int dividend = someValue /10;
     
204.   while (dividend > 0) {
     
205.     dividend = dividend /10;
     
206.     digits++;
     
207.   }
     
208.   // return the number of digits:
     
209.   return digits;
     
210. }
     

复制代码

ardyPro

建议发到yeelink论坛，那里有官方的人候着的

瘦网虫

是不是while那里出了什么问题？

yimenwang

怎么会这样啊

五月的风

这个看不明白，你是怎么用的，我认为删了就行

arduino-tinker

yimenwang 发表于 2013-5-5 15:44
怎么会这样啊

楼主的代码中，没有定义resetPIN，所以报错。