实例介绍
【实例简介】
【实例截图】
【核心代码】
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.Globalization;
using HID;
namespace HIDTester
{
public partial class FormMain : Form
{
private Hid myHid = new Hid();
private IntPtr myHidPtr = new IntPtr();
public FormMain()
{
InitializeComponent();
myHid.DataReceived = new EventHandler<HID.report>(myhid_DataReceived); //订阅DataRec事件
myHid.DeviceRemoved = new EventHandler(myhid_DeviceRemoved);
}
Byte[] RecDataBuffer = new byte[90];
private void GetVendorAndProductIDsFromTextBoxes(ref UInt16 myVendorID, ref UInt16 myProductID)
{
try
{
myVendorID = UInt16.Parse(txtVendorID.Text, NumberStyles.AllowHexSpecifier);
myProductID = UInt16.Parse(txtProductID.Text, NumberStyles.AllowHexSpecifier);
}
catch
{
throw;
}
}
private void FrmMain_Load(object sender, EventArgs e)
{
outputListBox.Items.Clear();
}
private void cmdOpenDevice_Click(object sender, EventArgs e)
{
if (myHid.Opened == false)
{
UInt16 myVendorID = Convert.ToUInt16(txtVendorID.Text, 16);
UInt16 myProductID = Convert.ToUInt16(txtProductID.Text, 16);
//myHidPtr = new IntPtr();
if ((int)(myHidPtr = myHid.OpenDevice(myVendorID, myProductID)) != -1)
{
MessageBox.Show("open drive success");
stateLabel.Text = "设备打开";
stateLabel.BackColor = this.stateLabel.BackColor = System.Drawing.Color.Green;
}
else
{
MessageBox.Show("open drive Failed");
stateLabel.Text = "连接失败";
stateLabel.BackColor = this.stateLabel.BackColor = System.Drawing.Color.Red;
}
}
else
{
stateLabel.Text = "设备已打开";
}
}
//数据到达事件
protected void myhid_DataReceived(object sender, report e)
{
RecDataBuffer = e.reportBuff;
string receiveData = new ASCIIEncoding().GetString(RecDataBuffer);
outputListBox.Items.Add(receiveData);
}
//设备移除事件
protected void myhid_DeviceRemoved(object sender, EventArgs e)
{
}
private void btnClear_Click(object sender, EventArgs e)
{
outputListBox.Items.Clear();
}
private void cmdCloseDevice_Click(object sender, EventArgs e)
{
myHid.CloseDevice(myHidPtr);
stateLabel.Text = "设备关闭";
this.stateLabel.BackColor = System.Drawing.SystemColors.ActiveCaption;
}
private void aboutMenu_Click(object sender, EventArgs e)
{
System.Diagnostics.Process.Start("http://www.cnblogs.com/hebaichuanyeah/p/4504855.html");
}
private void led0CheckBox_CheckedChanged(object sender, EventArgs e)
{
Byte[] data = new byte[24];
data[0] = 0x00;
if(led0CheckBox.CheckState == CheckState.Checked)
data[1] = 0x01;
else
data[1] = 0x00;
report r = new report(0, data);
myHid.Write(r);
}
private void led1CheckBox_CheckedChanged(object sender, EventArgs e)
{
Byte[] data = new byte[24];
data[0] = 0x01;
if (led1CheckBox.CheckState == CheckState.Checked)
data[1] = 0x01;
else
data[1] = 0x00;
report r = new report(0, data);
myHid.Write(r);
}
private void led2CheckBox_CheckedChanged(object sender, EventArgs e)
{
Byte[] data = new byte[24];
data[0] = 0x02;
if (led2CheckBox.CheckState == CheckState.Checked)
data[1] = 0x01;
else
data[1] = 0x00;
report r = new report(0, data);
myHid.Write(r);
}
private void led3CheckBox_CheckedChanged(object sender, EventArgs e)
{
Byte[] data = new byte[24];
data[0] = 0x03;
if (led3CheckBox.CheckState == CheckState.Checked)
data[1] = 0x01;
else
data[1] = 0x00;
report r = new report(0, data);
myHid.Write(r);
}
}
}
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