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
class="brush:csharp;gutter:true;">using LibUsbDotNet; using LibUsbDotNet.Main; using LibUsbDotNet.Info;
PrintUsbInfo
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
public static void Main(string[] args) { PrintUsbInfo(); // Wait for user input.. Console.ReadKey(); }