arduino 用网络连接yeelink平台控制led

 以下是代码：

#include 
#include 
#include 
#include 
#include  //QQqun：51798659  XiaoHe此代码是用以太网连接yeelink平台实现点亮一个led，访问http://api.yeelink.net/v1.1/device/357111/sensor/555555/datapoints/后面提交的是key来获取一个网页信息，然后再加以提出需要的判断
Servo myservo;  // create servo object to control a servo // a maximum of eight servo objects can be created int pos = 0;    // variable to store the servo position 
byte buff[2];
int led=5;//led脚
// for yeelink api
#define APIKEY         "c2a4877a26b7bd000872227c60b67406" // 此处替换为你自己的API KEY
#define DEVICEID       35740 // 此处替换为你的设备编号
#define SENSORID       40555 // 此处替换为你的传感器编号
char pd='v'; //写的一个字符判断
// assign a MAC address for the ethernet controller.
byte mac[] = { 0x00, 0x1D, 0x72, 0x82, 0x35, 0x9D};
// initialize the library instance:
EthernetClient client ;
char server[] = "api.yeelink.net";   // 连接 的服务器地址unsigned long lastConnectionTime = 0;          // last time you connected to the server, in milliseconds
boolean lastConnected = false;                 // state of the connection last time through the main loop
const unsigned long postingInterval = 1*1000; // delay between 2 datapoints,  延时多少秒访问一次
String returnValue = ""; 
boolean ResponseBegin = false;void setup() {pinMode(5, OUTPUT);Wire.begin();// start serial port:Serial.begin(115200);myservo.attach(9);  // attaches the servo on pin 9 to the servo object// start the Ethernet connection with DHCP:if (Ethernet.begin(mac) == 0) {Serial.println("Failed to configure Ethernet using DHCP");for(;;);}else {Serial.println("Ethernet configuration OK");}
}void loop() {// if there's incoming data from the net connection.// send it out the serial port.  This is for debugging// purposes only:if (client.available()) {char c = client.read();// Serial.print(c);if (c == '{')ResponseBegin = true;else if (c == '}')ResponseBegin = false;if (ResponseBegin)returnValue += c;   }if (returnValue.length() !=0 && (ResponseBegin == false)){Serial.println(returnValue);//打印出接收的数据pd=returnValue.charAt(9);//取第几位字符Serial.print("Jie Shou de zifu:");//串口方便好看Serial.println(pd);if (pd == '1') {Serial.println("turn ON ON ON ON the LED"); digitalWrite(led, HIGH);for(pos = 0; pos <180; pos += 1)  // goes from 0 degrees to 180 degrees {                                  // in steps of 1 degree myservo.write(180);              // tell servo to go to position in variable 'pos' delay(10);                       // waits 15ms for the servo to reach the position } for(pos = 180; pos>=1; pos-=1)     // goes from 180 degrees to 0 degrees {                                myservo.write(0);              // tell servo to go to position in variable 'pos' delay(10);                       // waits 15ms for the servo to reach the position } } else if(pd== '0') {Serial.println("turn off off off the LED_____________");     digitalWrite(led, LOW);}returnValue = "";}// if there's no net connection, but there was one last time// through the loop, then stop the client:if (!client.connected() && lastConnected) {Serial.println();Serial.println("disconnecting.");client.stop();}// if you're not connected, and ten seconds have passed since// your last connection, then connect again and send data:if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) {// read sensor data, replace with your code//int sensorReading = readLightSensor();Serial.print("yeelink:");//get data from server  getData();}// store the state of the connection for next time through// the loop:lastConnected = client.connected();
}// this method makes a HTTP connection to the server and get data back
void getData(void) {// if there's a successful connection:if (client.connect(server, 80)) {Serial.println("connecting...");// send the HTTP GET request:client.print("GET /v1.1/device/");client.print(DEVICEID);client.print("/sensor/");client.print(SENSORID);client.print("/datapoints");client.println(" HTTP/1.1");client.println("Host: api.yeelink.net");client.print("Accept: *");client.print("/");client.println("*");client.print("U-ApiKey: ");client.println(APIKEY);client.println("Content-Length: 0");client.println("Connection: close");client.println();Serial.println("print get done.");} else {// if you couldn't make a connection:Serial.println("connection failed");Serial.println();Serial.println("disconnecting.");client.stop();}// note the time that the connection was made or attempted:lastConnectionTime = millis();
}

转载于:https://www.cnblogs.com/xiaohe520/articles/6792988.html

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