#include"WiFi.h"
#include<ThingSpeak.h>
#include"DHTesp.h"
const int tem=15;
const int tri=13;
const int ech=12;
long dur;
float dis;
DHTesp dhtSensor;
TempAndHumidity data;
const int DHT_PIN=15;
char ssid[]="Wokwi-GUEST";
char pass[]="";
WiFiClient client;
unsigned long myChannelNumber=2070077;
const char * myWriteAPIkey="KN4KZO1ZJXRDG7BK";
int statusCode;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
  dhtSensor.setup(tem,DHTesp::DHT22);
  pinMode(tri, OUTPUT);
  pinMode(ech, INPUT);
}
long getdistanceIN()
{
  digitalWrite(tri, LOW);
  delayMicroseconds(2);
  digitalWrite(tri, HIGH);
  delay(10);
  digitalWrite(tri, LOW);
  dur=pulseIn(ech,HIGH);
  return(dur*0.034/2)+1;
}
void loop() {
  dis=getdistanceIN();
  data =dhtSensor.getTempAndHumidity();
   if(WiFi.status() != WL_CONNECTED)
   {
      Serial.println();("Attempting to connect");
       while(WiFi.status() != WL_CONNECTED)
       {
         WiFi.begin(ssid,pass);
         Serial.print(" ");
         delay(5000);
       }
       Serial.println("\nConnected");
   }
    Serial.println("Humi:"+ String(data.humidity,1));
    Serial.println("Temp:"+ String(data.temperature,2));
    Serial.println("Distance;"+String(dis));
    Serial.println("_____________");
   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); // this speeds up the simulation
}