using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO.Ports;

namespace RFID_Transfer_Final
{
    public partial class Form1 : Form
    {
        SerialPort myport;
        string data_rx;
        bool start = false;
        Timer t = new Timer();

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            t.Interval = 1000;
            t.Tick += new EventHandler(timer1_Tick);
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            while (start == true)
            {
                myport = new SerialPort();
                myport.BaudRate = 9600;
                myport.PortName = "COM9";


                myport.Open();
                myport.DiscardInBuffer();
                myport.DiscardOutBuffer();

                data_rx = myport.ReadLine();

                myport.Close();

                if (data_rx.Length == 9)
                {
                    infoBox.Items.Add(data_rx);
                }
            }
        }

        private void RetrieveInfo_Click(object sender, EventArgs e)
        {

            if (start == true)
            {
                RetrieveInfo.Text = "Start";

                t.Start();
                start = false;
            }
            else
            {
                RetrieveInfo.Text = "Stop";

                t.Stop();
                start = true;
            }
        }


    }
}