C#基于LibUsbDotNet实现USB通信（一）
网上C#USB通信的资料比较少， 基本上都是基于LibUsbDotNet 和 CyUsb, 关于打印机设备的还有一个OPOS。
本篇文章基于LibUsbDotNet。
1. 下载并安装 LibUsbDotNet 安装文件。
2. 运行Filter Wizard, Install a device filter。 安装需要通信的usb设备。
3. 建一个简单的控制台项目，进行测试, 下图为打印需要通信设备的信息。
相关代码：
引用
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using LibUsbDotNet;using LibUsbDotNet.Main;using LibUsbDotNet.Info; |
PrintUsbInfo
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public static void PrintUsbInfo() { UsbDevice usbDevice = null; UsbRegDeviceList allDevices = UsbDevice.AllDevices; Console.WriteLine("Found {0} devices", allDevices.Count); foreach (UsbRegistry usbRegistry in allDevices) { Console.WriteLine("Got device: {0}\r\n", usbRegistry.FullName); if (usbRegistry.Open(out usbDevice)) { Console.WriteLine("Device Information\r\n------------------"); Console.WriteLine("{0}", usbDevice.Info.ToString()); Console.WriteLine("VID & PID: {0} {1}", usbDevice.Info.Descriptor.VendorID, usbDevice.Info.Descriptor.ProductID); Console.WriteLine("\r\nDevice configuration\r\n--------------------"); foreach (UsbConfigInfo usbConfigInfo in usbDevice.Configs) { Console.WriteLine("{0}", usbConfigInfo.ToString()); Console.WriteLine("\r\nDevice interface list\r\n---------------------"); ReadOnlyCollection<UsbInterfaceInfo> interfaceList = usbConfigInfo.InterfaceInfoList; foreach (UsbInterfaceInfo usbInterfaceInfo in interfaceList) { Console.WriteLine("{0}", usbInterfaceInfo.ToString()); Console.WriteLine("\r\nDevice endpoint list\r\n--------------------"); ReadOnlyCollection<UsbEndpointInfo> endpointList = usbInterfaceInfo.EndpointInfoList; foreach (UsbEndpointInfo usbEndpointInfo in endpointList) { Console.WriteLine("{0}", usbEndpointInfo.ToString()); } } } usbDevice.Close(); } Console.WriteLine("\r\n----- Device information finished -----\r\n"); } } |
调用
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public static void Main(string[] args) { PrintUsbInfo(); // Wait for user input.. Console.ReadKey(); } |
漫思
