using System;
using System.IO.Ports;
using System.Windows.Forms;
using System.IO;
using System.Diagnostics;
using System.Drawing;

namespace Schmid_Prüfprogramm
{
    public partial class Schmid_PP : Form
    {
        SerialPort SerialPort = new SerialPort();
        private delegate void threadSicher(string messung);

        //Private Variablen ----------------------------------------------------------------------------------------------------------
        string portName;
        int baudRate = 19200;


        public Schmid_PP()
        {
            //Funktionen die beim Start ausgeführt werden sollen hier rein.
            InitializeComponent();
            fillComPortComBoBox();
            dateTimePicker1.Value = DateTime.Now;
            btnLED_ReferenzStatus.BackColor = Color.Red;

        }

                private void btn_portVerbinden_Click(object sender, EventArgs e)
        {
            try
            {
                SerialPort.PortName = combox_Portliste.SelectedItem.ToString();
                SerialPort.BaudRate = baudRate;
                SerialPort.Open();
                SerialPort.DataReceived += new SerialDataReceivedEventHandler(DataReceivedHandler);
                Console.WriteLine("Port geöffnet");
                btn_portVerbinden.Enabled = false;
            }
            catch (Exception)
            {
                MessageBox.Show("Keinen Port ausgewählt", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void btn_PortAbbrechen_Click(object sender, EventArgs e)
        {
            SerialPort.Close();
            
            lbl_Anzeige.Text = "N.A.";
            lbl_Temperatur.Text = "N.A.";
            btn_portVerbinden.Enabled = true;
        }

        public void DataReceivedHandler(object sender, SerialDataReceivedEventArgs e)
        {
            //Console.WriteLine("Daten werden empfangen");
            SerialPort serialPort = (SerialPort)sender;
            string indata = serialPort.ReadLine();
            updateMessung(indata);
        }

        private void updateMessung(string indata)
        {
            if (this.InvokeRequired)
            {
                this.Invoke(new threadSicher(updateMessung), new object[] { indata });
            }
        }
    }
}