#include <SPI.h>
#include <Ethernet3.h>

// Configure MAC address and IP:
byte mac[] = {0x61, 0x2C, 0xF2, 0x09, 0x73, 0xBE};
IPAddress ip(10, 11, 1, 22); // Static IP

// Change when connecting to the internet
IPAddress serverIP(192, 168, 1, 100);  // computer
// Don't change
unsigned int port = 5005;

// Define CS and RST pins:
#define W5500_CS_PIN 10
#define W5500_RST_PIN 9

// Definitions for interrupt sequence
int interrupt_pin = 2; // Wired
volatile int interrupt_flag;

EthernetClient client;
//client.connect ()

void setup() {
  // put your setup code here, to run once:

  Serial.begin(9600);

  // Reset W5500 
  pinMode(W5500_RST_PIN, OUTPUT);
  digitalWrite(W5500_RST_PIN, HIGH);
  delay(250);
  digitalWrite(W5500_RST_PIN, LOW);
  delay(250);
  digitalWrite(W5500_RST_PIN, HIGH);
  delay(1000);
  
  Serial.print("Sending a message");
  // Initialize Ethernet:
  Ethernet.init(W5500_CS_PIN);
  Ethernet.begin(mac, ip);

  // Try to send a message through socket
 
  //client.write("hey", 3);

  // Initialize interrupt
  pinMode(interrupt_pin, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(interrupt_pin), ISR_button, CHANGE);
}

void loop() {
  // put your main code here, to run repeatedly:
  if (interrupt_flag) {

    interrupt_flag = 0;
  }
}

void ISR_button () {
  interrupt_flag = 1;
}