#define potarPIN A0

float last_temp;
float x;
float y;

void setup() {
  //start serial
  Serial.begin(9600);

  //set calcul for x and y
  setXandY(10,30);
  //set potentiometer
  pinMode(potarPIN, INPUT);
}

void loop() {
  // read POTAR
  float wanted_temp = toTemp(analogRead(potarPIN)); 
  Serial.println(x,10);
  if(last_temp!=wanted_temp){
    //send data to server
#include <SPI.h>
#include <WiFiNINA.h>
#include <WiFi.h>

#define potarPIN A0

char ssid[] = "PC_VAL14_8371";
char pass[] = "728J6[2y";
WiFiClient client_tcp;
char serverAddress[] = "192.168.137.12";
int serverPort = 80;

float last_temp;

void setup() {
  //start serial
  Serial.begin(9600);
  //set potentiometer
  pinMode(potarPIN, INPUT);
  //setWIFI
  setWIFIAndServer();
}

void loop() {
  // read POTAR
  float wanted_temp = toTemp(analogRead(potarPIN)); 
  if(last_temp!=wanted_temp){
    //send data to server
    Serial.println(sendAndRead("TEMP="+String(wanted_temp)));
  }
  last_temp = wanted_temp;
  //POTAR END


  delay(250);
  
}


float toTemp(int i){
  return float(0.019550342*i+10);
}

void setWIFIAndServer(){

  //WIFI
  while (WiFi.begin(ssid, pass) != WL_CONNECTED) {
    Serial.println("Connexion au Wi-Fi en cours...");
    delay(1000);
  }
  Serial.println("Connecté au Wi-Fi "+String(ssid));
  Serial.println("IP : "+String(WiFi.localIP()));

  //SERVER TCP
  if(!client_tcp.connected()){
      if(!client_tcp.connect(serverAddress,serverPort)){
        Serial.println("Échec de la connexion au serveur TCP.");
        return;
      }else{
        Serial.print("Success to connect to the TCP Server");
      }
    }
}

String sendAndRead(String send){
  if(!client_tcp.connected()){
      if(!client_tcp.connect(serverAddress,serverPort)){
        return "Échec de la connexion au serveur TCP.";
      }
  }
  client_tcp.println(send);
  bool b = true;
  while (b) {
    if (client_tcp.available()) {
      String request = client_tcp.readStringUntil('\r');
      b = false;
      return request;
    }
  }
}