#include"DHTesp.h"
#include <ThingSpeak.h>
#include <WiFi.h>
DHTesp dhtsensor;
TempAndHumidity data;
const int pin = 15;
const int tri = 13;
const int eco = 12;
long dur;
float dis;
unsigned long myChannelNumber = 2115315;
const char * myWriteAPIKey = "JBN7ZZVQ4RDH6BX9";
int statusCode;

char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient client;




void setup() {
  
  Serial.begin(115200);
  dhtsensor.setup(pin,DHTesp::DHT22);
  ThingSpeak.begin(client);
  WiFi.mode(WIFI_STA);
  pinMode(tri, OUTPUT);
  pinMode(eco, INPUT);

}

void loop() {
  if(WiFi.status() != WL_CONNECTED)
{
Serial.print("Attempting to connect");
while(WiFi.status() != WL_CONNECTED)
  {
WiFi.begin(ssid, pass);
for(int i=0;i<5;i++)
{
Serial.print(".");
delay(1000);
}     
}
Serial.println("\nConnected.");
}
  data = dhtsensor.getTempAndHumidity();
  dis = getdistanceIN();
  Serial.println("Distance"+String(dis));
  Serial.println("humi"+String(data.humidity));
  Serial.println("Temp"+String(data.temperature));
  Serial.println("_________________");
  ThingSpeak.setField(1,dis);
  ThingSpeak.setField(2,data.temperature);
  ThingSpeak.setField(3,data.humidity);
  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(1000); 
}
long getdistanceIN(){
  digitalWrite(tri, LOW);
  delayMicroseconds(2);
  digitalWrite(tri, HIGH);
  delay(100);
  digitalWrite(tri, LOW);
  dur=pulseIn(eco,HIGH);
  return((dur*0.034/2)+1);
}