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;

namespace Afis_4x7seg
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        System.Drawing.Graphics zona_desen;
        int x0, y0, w;
        private void afis_7seg(Graphics desen, int px0, int py0, int dig_w, int dig)
        {
            System.Drawing.Pen cr_verde, cr_gri;
            cr_verde = new System.Drawing.Pen(System.Drawing.Color.Red, dig_w / 4);
            cr_gri = new System.Drawing.Pen(System.Drawing.Color.WhiteSmoke, dig_w / 4);
            UInt16[] digit = new UInt16[10] { 123, 40, 93, 109, 46, 103, 119, 41, 127, 111 };
            int[] px = new int[7] { px0, px0, px0, px0 + dig_w, px0, px0 + dig_w, px0 };
            int[] px_f = new int[7] { px0 + dig_w, px0, px0 + dig_w, px0 + dig_w, px0, px0 + dig_w, px0 + dig_w };
            int[] py = new int[7] { py0, py0, py0 + dig_w, py0, py0 + dig_w, py0 + dig_w, py0 + 2 * dig_w };
            int[] py_f = new int[7] { py0, py0 + dig_w, py0 + dig_w, py0 + dig_w, py0 + 2 * dig_w, py0 + 2 * dig_w, py0 + 2 * dig_w };
            UInt16 nr = digit[dig];
            int i;
            // sterg digit
            for (i = 6; i >= 0; i--)
                desen.DrawLine(cr_gri, px[i], py[i], px_f[i], py_f[i]);
            for (i = 6; i >= 0; i--)
            {
                UInt16 bit = Convert.ToUInt16((nr >> (i)) & 1);
                if (bit == 1)
                    desen.DrawLine(cr_verde, px[i], py[i], px_f[i], py_f[i]);
            }
        }
        private void afis_val() 
        {
            int val_a = System.Convert.ToUInt16(Convert.ToInt16(this.numericUpDown1.Value));
            int val;
            val = val_a % 10;
            afis_7seg(zona_desen, x0 + w + 7 * w / 2, y0, w, val);
            val_a = val_a / 10;
            val = val = val_a % 10;
            afis_7seg(zona_desen, x0 + w * 3, y0, w, val);
            val_a = val_a / 10;
            val = val = val_a % 10;
            afis_7seg(zona_desen, x0 + w + w / 2, y0, w, val);
            val_a = val_a / 10;
            val = val = val_a % 10;
            afis_7seg(zona_desen, x0, y0, w, val);
        }
        string txt, val_af;
        //int semaf, seg, poz_car, dig, dig0, dig1,dig2,dig3;
        //int[,]car ;
        static String[] Nume_porturi = new String[11];
        private void Form1_Load(object sender, EventArgs e)
        {
            zona_desen = this.CreateGraphics();
            x0 = 175;
            y0 = 75;
            w = 20;
            // Listez porturile seriale
            Nume_porturi = System.IO.Ports.SerialPort.GetPortNames();
            this.Porturi_s.Items.Clear();

            //Adaug porturile exixtente

            for (int i = 0; i < Nume_porturi.Length; i++)
            {
                this.Porturi_s.Items.Add(Nume_porturi[i]);
            }

            //Pozitionarea listei pe primul element
            this.Porturi_s.SelectedIndex = 0;
            this.label1.Text = "Conectati-va la portul serial!";
            val_af = "AX4,2345";
        }
        private void numericUpDown1_ValueChanged(object sender, EventArgs e)
        {
            afis_val();
            val_af = "AX4,"+this.numericUpDown1.Value.ToString();
            if (this.serialPort1.IsOpen)
            {
                this.serialPort1.Write(val_af);
                this.label3.Text = "Tx=" + val_af;
                //txt = "";
                txt = this.serialPort1.ReadExisting();
                this.label1.Text = "Rx=" + txt;
            }
        }

        private void but_con_Click(object sender, EventArgs e)
        {
            afis_val();
            if (!this.serialPort1.IsOpen)
            {
                this.serialPort1.PortName = System.Convert.ToString(this.Porturi_s.Items[this.Porturi_s.SelectedIndex]);
                this.serialPort1.Open();
                this.label1.Text = "Portul a fost deschis";
            }
            else
            {
                this.label1.Text = "Portul este deja deschis deschis";
            }
            val_af = "AX4," + this.numericUpDown1.Value.ToString();

            this.serialPort1.Write(val_af);
        }

        private void but_dec_Click(object sender, EventArgs e)
        {
            this.serialPort1.Close();
            this.label1.Text = "Portul este deconectat!";
        }
    }
}