Programacion

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

namespace _4164_UART_01
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

byte cnt = 0;
        byte[] segmentos =  { 63, 6, 91, 79, 102, 109, 125, 7, 127, 111, 119, 124, 57, 94, 121, 113 };
        string[] monitor =  { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };
        byte[] buffer = { 0 };

private void Form1_Load(object sender, EventArgs e)
        {
            serialPort1.Open();
            serial(segmentos[cnt]);
        }

private void btnMas_Click(object sender, EventArgs e)
        {
            if (cnt < 15)
                cnt++;
            lblDisplay.Text = monitor[cnt];
            serial(segmentos[cnt]);
        }

private void btnMenos_Click(object sender, EventArgs e)
        {
            if (cnt > 0)
                cnt--;
            lblDisplay.Text = monitor[cnt];
            serial(segmentos[cnt]);
        }

private void serial(int dato)
        {
            for (byte i = 0; i < 8; i++)
            {
                buffer[0] = (byte)(dato & 0x01);
                serialPort1.Write(buffer, 0, 1); //dato
                buffer[0] = (byte)(buffer[0] + 2);
                serialPort1.Write(buffer, 0, 1); //clock High
                buffer[0] = (byte)(buffer[0] - 2);
                serialPort1.Write(buffer, 0, 1); //clock low
                dato = (dato >> 1);
            }
        }

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            serial(0);
            serialPort1.Close();
        }
    }
}

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