mes-client/UAS-MES/Form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;
using System.Web.ClientServices;
using UAS_MES.CustomControl.DataGrid_View;
using UAS_MES.DataOperate;
using UAS_MES.PublicForm;
using UAS_MES.PublicMethod;
using System.Net;
using System.IO;
using System.Reflection;
using System.Threading;
using UAS_MES.CustomControl;
using System.IO.Ports;

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

        private void Form1_Load(object sender, EventArgs e)
        {
            Com.PortName = "COM4";
            Com.ReadTimeout = 5000;
            Com.WriteTimeout = 5000;
            Com.BaudRate = 9600;
            Com.StopBits = StopBits.One;
            Com.Parity = Parity.None;
            Com.Open();
        }

        [DllImport("WinIo64.dll")]
        public static extern bool InitializeWinIo();
        [DllImport("WinIo64.dll")]
        public static extern void ShutdownWinIo();
        [DllImport("WinIo64.dll")]
        public static extern bool GetPortVal(IntPtr wPortAddr, out int pdwPortVal, byte bSize);
        [DllImport("WinIo64.dll")]
        public static extern bool SetPortVal(IntPtr wPortAddr, int dwPortVal, byte bSize);
        //以下是与并口无关  
        [DllImport("WinIo64.dll")]
        public static extern byte MapPhysToLin(byte pbPhysAddr, uint dwPhysSize, IntPtr PhysicalMemoryHandle);
        [DllImport("WinIo64.dll")]
        public static extern bool UnmapPhysicalMemory(IntPtr PhysicalMemoryHandle, byte pbLinAddr);
        [DllImport("WinIo64.dll")]
        public static extern bool GetPhysLong(IntPtr pbPhysAddr, byte pdwPhysVal);
        [DllImport("WinIo64.dll")]
        public static extern bool SetPhysLong(IntPtr pbPhysAddr, byte dwPhysVal);
        [DllImport("user32.dll")]
        public static extern int MapVirtualKey(uint Ucode, uint uMapType);

        public bool online = false;                          //WinIo打开标志  
        //数据端口共8位，控制端口共4位，可以组成1～12位的任意数字输出端口；  
        //状态端口共5位，控制端口共4位，可以组成1～9位的任意数字输入端口  
        private static IntPtr data_port = (IntPtr)0x378;     //数据端口地址 D0-D7 8个端口  
        private static IntPtr state_port = (IntPtr)0x379;    //状态端口地址 S3-S7 只能读取5位  
        private static IntPtr control_port = (IntPtr)0x37A;  //控制端口地址 C0-C3 只能控制或输出4位  

        /// <summary>  
        /// 设定DataPort输出  
        /// </summary>  
        /// <param name="WriteValue">设定值：范围为0～255</param>  
        private void setDateBuff(int WriteValue)
        {
            IntPtr m_nport = data_port;                 //数据端口地址data_port  

            int m_nValue = WriteValue;

            //调用WinIo库函数SetPortVal写端口值  
            SetPortVal(m_nport, m_nValue, 1);           //write a BYTE value to an I/O port  
        }

        /// <summary>  
        /// 设定ControlPort输出  
        /// 高4位默认设置，请不要修改，因此输出时保持高位值不变，将要输出的值从低4位输出  
        /// Control端口C2读写正常，C0、C1、C3写入0则输出高电平，写入1输出低电平；读取亦然  
        /// </summary>  
        /// <param name="WriteValue">设定值</param>  
        private void setControlBuff(int WriteValue)
        {
            IntPtr m_nport = control_port;              //获得控制端口地址  
            //获得控制端口的值,  
            int temp_dwPortVal = 0;
            GetPortVal(m_nport, out temp_dwPortVal, 1); //reads a BYTE value from an I/O port  

            int temp_aa = temp_dwPortVal & 0xF0;        //将低4位置为0;高4位不变  

            int WriValue = WriteValue & 0x0F;           //取设定值低4位；高4位为0  
            temp_aa = temp_aa | WriteValue;             //合并端口值高4位与设定值低4位  
            temp_aa = temp_aa ^ 0x0B;                   //将低4位中C0、C1、C3取反（0->1;1->0）（保证设定值与实际电平相吻合）  
            SetPortVal(m_nport, temp_aa, 1);            //写出的值中，高4位保持端口原来的值不变，低4位实际输出  
        }

        /// <summary>  
        /// 读取ControlPort值  
        /// Control端口C2读取正常，C0、C1、C3高电平则读入0，低电平则读入1  
        /// </summary>  
        /// <returns>返回C0-C3 四个端口的值：范围为0～15</returns>  
        private int getControlBuff()
        {
            IntPtr m_nport = control_port;              //控制端口地址data_port  

            int m_nValue = 0;
            //调用WinIo库函数SetPortVal写端口值  
            GetPortVal(m_nport, out m_nValue, 1);      //reads a BYTE value from an I/O port  

            int ValueGet = m_nValue ^ 0x0B;            //将低4位中C0、C1、C3取反（0->1;1->0）  
            ValueGet = ValueGet & 0x0F;                //去掉高4位值  
            return ValueGet;
        }

        /// <summary>  
        /// 读取StatePort值  
        /// State端口S7高电平则读入0，低电平则读入1；其他正常  
        /// </summary>  
        /// <returns>返回S3-S7 五个端口的值：范围0-31</returns>  
        private int getStateBuff()
        {
            IntPtr m_nport = state_port;               //控制端口地址state_port  

            int dwPortVal = 0;
            GetPortVal(m_nport, out dwPortVal, 1);    //reads a BYTE value from an I/O port  

            int ValueGet = dwPortVal ^ 0x80;          //将S7取反（保证读取与实际电平相吻合）  
            ValueGet = ValueGet & 0xF8;               //去掉S0 ～S2位；  
            ValueGet = ValueGet >> 3;                 //右移3位，将S7～S3变为低5位  
            return ValueGet;
        }

        public bool OpenWinIo()
        {
            if (InitializeWinIo())
            {
                this.online = true;
                return true;
            }
            else
            {
                this.online = false;
                return false;
            }
        }

        public void CloseWinIo()
        {
            ShutdownWinIo();
            this.online = false;
        }

        SerialPort Com = new SerialPort();

        private void button3_Click_1(object sender, EventArgs e)
        {
            //byte[] byteArr = new byte[20];
            //Com.Write(byteArr, 0, byteArr.Length);
            //CloseWinIo();
        }
    }
}