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

namespace SerialPortTerminal
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        SerialPort serialPort; //Serialport den wir später verwenden - globale Deklaration
        
        delegate void InvokeLB(string Data);

        InvokeLB lbRecievedDelegate;

        private void label3_Click(object sender, EventArgs e)
        {

        }

        private void bCreateSP_Click(object sender, EventArgs e)
        {

            //Hier erstellen wir unseren Serialport und legen die Einstellungen fest
            serialPort = new SerialPort(cbPort.Text, Convert.ToInt32(cbBaudRate.Text), (Parity)Enum.Parse(typeof(Parity), cbParity.Text), Convert.ToInt16(cbDataBits.Text), (StopBits)Enum.Parse(typeof(StopBits), cbStopbits.Text));
            serialPort.Handshake = (Handshake)Enum.Parse(typeof(Handshake), cbHandshake.Text);
            serialPort.RtsEnable = Boolean.Parse(cbRtsEnable.Text);
            serialPort.DtrEnable = Boolean.Parse(cbDtrEnable.Text);

            if (!serialPort.IsOpen)
            {
                serialPort.Open(); //Serialport öffnen
            }
            lbRecievedDelegate = new InvokeLB(InvokeLBRecieved);
            serialPort.DataReceived += new SerialDataReceivedEventHandler(serialPort_DataReceived); //DataRecieved Event abonnieren
        }

        void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            string RecievedLine = " ";

            while (RecievedLine != " ")
            {
                RecievedLine = serialPort.ReadLine();
                lbRecieved.Invoke(lbRecievedDelegate, new object[] { RecievedLine });
            }
        }
        void InvokeLBRecieved(string Data)
        {
            lbRecieved.Items.Add(Data);
        }
        
        private void Form1_Load(object sender, EventArgs e)
        {

            //Hier befüllen wir die Options-ComboBoxen
            foreach (var item in SerialPort.GetPortNames())
            {
                cbPort.Items.Add(item);
            }
            cbPort.Text = cbPort.Items[0].ToString();

            foreach (var item in Enum.GetNames(typeof(Parity)))
            {
                cbParity.Items.Add(item);
            }
            cbParity.Text = cbParity.Items[0].ToString();

            foreach (var item in Enum.GetNames(typeof(StopBits)))
            {
               cbStopbits.Items.Add(item);
            }
            cbStopbits.Text = cbStopbits.Items[1].ToString();

            cbBaudRate.Items.Add("110");
            cbBaudRate.Items.Add("300");
            cbBaudRate.Items.Add("600");
            cbBaudRate.Items.Add("1200");
            cbBaudRate.Items.Add("2400");
            cbBaudRate.Items.Add("4800");
            cbBaudRate.Items.Add("9600");
            cbBaudRate.Items.Add("14400");
            cbBaudRate.Items.Add("19200");
            cbBaudRate.Items.Add("28800");
            cbBaudRate.Items.Add("38400");
            cbBaudRate.Items.Add("56000");
            cbBaudRate.Items.Add("57600");
            cbBaudRate.Items.Add("115200");
            cbBaudRate.Text = cbBaudRate.Items[8].ToString();

            cbDataBits.Items.Add("5");
            cbDataBits.Items.Add("6");
            cbDataBits.Items.Add("7");
            cbDataBits.Items.Add("8");
            cbDataBits.Items.Add("9");
            cbDataBits.Text = "8";


            foreach (var item in Enum.GetNames(typeof( Handshake)))
            {
                cbHandshake.Items.Add(item);
            }
            cbHandshake.Text = cbHandshake.Items[0].ToString();

            cbDtrEnable.Items.Add("True");
            cbDtrEnable.Items.Add("False");
            cbDtrEnable.Text = "False";

            cbRtsEnable.Items.Add("True");
            cbRtsEnable.Items.Add("False");
            cbRtsEnable.Text = "False";


        }

        private void bSendData_Click(object sender, EventArgs e)
        {

            //Hier werden die eingebenen Daten über die serielle Schnittstelle gesendet
            serialPort.WriteLine(tbDataToSend.Text);
            
            lbSent.Items.Add(tbDataToSend.Text);
            tbDataToSend.Clear();
            tbDataToSend.Focus();
        }

        private void bClearSent_Click(object sender, EventArgs e)
        {
   
        }
        private void bClearRecieved_Click(object sender, EventArgs e)
        {
            lbRecieved.Items.Clear();
        }
    }
}