form1.cs

单片机c语言程序设计100例--基于PIC+PROTEUS

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 生成正弦采样点数据的程序
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button_生成_Click(object sender, EventArgs e)
        {
            double x_幅值 = double.Parse(textBox_幅值.Text);
            int x_采样点数 = int.Parse(textBox_采样点数.Text);
            double x_上移电压 = double.Parse(textBox_上移电压.Text);
            textBox_DA值.Clear();
            for (int i = 0 ; i < x_采样点数; i++)
            {
                int m = (int)(Math.Sin(i * Math.PI * 2 / x_采样点数) * x_幅值 / 5.0 * 4096) + 
                        (int)(x_上移电压 / 5.0 * 4096);
                textBox_DA值.Text += string.Format("{0,4}", m);
                if (i < x_采样点数-1) textBox_DA值.Text += ", ";
                if ((i+1) % 10 == 0) textBox_DA值.Text += "\r\n";            
            }
            double maxv =  x_幅值 + x_上移电压, minv = x_上移电压 - x_幅值;
            int maxda = (int)(maxv / 5.0 * 4096), minda = (int)(minv / 5.0 * 4096);
            label_实际输出.Text = "输出正弦电压范围为:" +
                maxv.ToString() + "v ~ " + minv.ToString() + "v  DA值范围为:" +
                maxda.ToString() + " ~ " + minda.ToString();
        }

        private void button_退出_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
    }
}