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#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>

#include <WiFiClient.h>

#include <ArduinoJson.h>

#include <Servo.h>



Servo myservo;

const char* ssid = "Wifi ID";

const char* password = "Wifi pw";

//StaticJsonDocument<2048> doc;

DynamicJsonDocument doc(1000);


String serverName = "http://yongdo.azurewebsites.net/api/v1/weather/real-time?weather_station=school";

unsigned long lastTime = 0;

// Timer set to 10 minutes (600000)

//unsigned long timerDelay = 600000;

// Set timer to 5 seconds (5000)

unsigned long timerDelay = 5000;

String payload = "";

int wind_deg_index = 0;

int wind_speed = 0;

long mytime=0;

int servo_position = 0;



void setup() {

Serial.begin(115200);



WiFi.begin(ssid, password);

Serial.println("Connecting");

while(WiFi.status() != WL_CONNECTED) {

delay(500);

Serial.print(".");

}



myservo.attach(D5, 700, 2800);



Serial.println("");

Serial.print("Connected to WiFi network with IP Address: ");

Serial.println(WiFi.localIP());



Serial.println("Timer set to 5 seconds (timerDelay variable), it will take 5 seconds before publishing the first reading.");

}



void loop() {

// Send an HTTP POST request depending on timerDelay

if ((millis() - lastTime) > timerDelay) {

//Check WiFi connection status

if(WiFi.status()== WL_CONNECTED){

WiFiClient client;

HTTPClient http;



String serverPath = serverName;



// Your Domain name with URL path or IP address with path

http.begin(client, serverPath.c_str());



// Send HTTP GET request

int httpResponseCode = http.GET();



if (httpResponseCode>0) {

Serial.print("HTTP Response code: ");

Serial.println(httpResponseCode);

payload = http.getString();

// Serial.println(payload);

char buf[1000];

payload.toCharArray(buf, payload.length()+1);

Serial.println(payload.length());

Serial.println(buf);



DeserializationError error = deserializeJson(doc, buf);



if (error) {

Serial.print("deserializeMsgPack() failed: ");

Serial.println(error.f_str());

return;

}

wind_deg_index = doc["wind_deg_index"];

wind_speed = doc["wind_speed"];

Serial.print("wind_deg_index = " + String(wind_deg_index)); Serial.print('t');

Serial.print("wind_speed = " + String(wind_speed)); Serial.println("");

}

else {

Serial.print("Error code: ");

Serial.println(httpResponseCode);

}

// Free resources

http.end();

}

else {

Serial.println("WiFi Disconnected");

}

lastTime = millis();

}



servo_position = 0;

servo_position= int(map(wind_speed, 0, 1000, 0, 180));

servo_position = int(constrain(servo_position, 0, 180));

myservo.write(servo_position);

}