#include <DHTesp.h>
#include <WiFi.h>
#include <ThingSpeak.h>

DHTesp dhtSensor;
TempAndHumidity data;

char ssid[]="kavi-Guest";
char pass[]="";
WiFiClient client;

unsigned long myChannelNumber=2606161;
const char* myWriteAPIKey="GULMWJP5AY7YX0BO";
int statusCode;


void setup() {
  Serial.begin(115200);
  dhtSensor.setup(25,DHTesp::DHT22);
  pinMode(26, OUTPUT);
  pinMode(25, OUTPUT);
  pinMode(27, INPUT);

  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
  delay(1000);
}

void getwifi()
{
  if(WiFi.status()!=WL_CONNECTED)
  {
    Serial.print("Attempting to connect");
    while(WiFi.status()!=WL_CONNECTED)
    {
      WiFi.begin(ssid,pass);
      Serial.print(".");
      delay(5000);
    }
  }
Serial.println("\nConnected");
}
void loop() {
   getwifi();
  data = dhtSensor.getTempAndHumidity();
   Serial.println(data.humidity);
   Serial.println(data.temperature);
   digitalWrite(26, LOW);
   delayMicroseconds(1000);
   digitalWrite(26,HIGH);
   delayMicroseconds(1000);
   digitalWrite(27, LOW);
    float dur = pulseIn(27,HIGH);
    int dis = dur*0.03405/2;
    Serial.println(dis);

  ThingSpeak.setField(1,data.humidity);
  ThingSpeak.setField(2,data.temperature);
  ThingSpeak.setField(3,dis);
  statusCode=ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);
  if(statusCode==200)
  {
    Serial.println("Channel update successful");
  }
  else
  {
    Serial.println("Problem writing data: HTTP error code:"+String(statusCode));
  }
  delay(15000);
}