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c#实现HidUsb设备通信

上传者： u010465417 | 上传时间： 2019-12-21 21:19:34 | 文件大小： 307KB | 文件类型： rar
赋所有源代码，开发工具vs2010 framework3.5 baidu搜索c# HidUsb都是大同小异案例，而且拿下来基本不能用。大都是围绕public static extern int CreateFile(省略众多参数..);发现没有，copy下来测试基本都是用不了的。 原因很简单：windows不允许你用程序随便就去访问硬件设备。所以在此把之前做过的基于C#开发读写HidUsb设备的项目整理成一个简单的小案例，分享给大家，开发环境VS2010。 该案例重点在public static extern SafeFileHandle CreateFile(string lpFileName, uint dwDesiredAccess, int dwShareMode, IntPtr lpSecurityAttributes, int dwCreationDisposition, int dwFlagsAndAttributes, int hTemplateFile); 看着貌似也是用到CreateFile这个函数，其实并不然，注意到没有"SafeFileHandle"，这就是重点! 这样windows是允许程序访问外接hidusb设备的。 当然具体如何运用这个函数现在已经不是您应该 关心的了，因为我已经为您把它封装成一个类，您只要调用相应的方法就OK. 例： //第一步：获取HidUsb设备信息 List slist = new List(); UsbHidDevice usbhid = new UsbHidDevice(); usbhid.GetDeviceList(ref slist); //HidUsb设备信息包含在List数据集中 注：当获取到HidUsb设备信息为：\\?\hid#vid_0e2c&pid;_0112#6&1b44c403;&0&0000;#{4d1e55b2-f16f-11cf-88cb-001111000030}， 注意该字符串里的“vid_0e2c”和“pid_0112”部分，那么: vid为0e2c, pid为:0112 //第二步：创建一个HidUsb设备访问实例 UsbHidDevice Device = new UsbHidDevice(vid, pid); //第三步：连接HidUsb设备 Boolean connBool = Device.Connect(); //第四步：实现数据接收事件 Device.DataReceived += new UsbHidDevice.DataReceivedDelegate(Device_DataReceived); //当HidUsb设备返回信息时触发此事件 void Device_DataReceived(byte[] data) { //处理接收到的数据逻辑 } //第五步：向Hid设备发送数据"0xa0 00 0x12 0x9 0x22" string txt = "0xa0 00 0x12 0x9 0x22"; //把数据转换为字节数组 byte[] data = ConvertHelper.StringToByte(txt2); byte bt = 0; CommandMessage cmdMsg = new CommandMessage(bt, data); Boolean sbool = Device.SendMessage(cmdMsg); //发送数据 //第六步：释放所有资源 Device.Dispose();

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评论信息

  • BTSSkyFly :
    别下了，发现不了
    2021-06-23
  • *素* :
    没什么用，连接不上
    2021-05-20
  • diao_run_ze :
    没什么用，不要上当
    2021-04-10
  • 大婶在行动 :
    为什么下发数据时，后面会带上很多其他的数据呢，从bushound里面抓取看到的
    2021-03-17
  • weixin_45641119 :
    好东西，正好用上
    2021-01-25

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