USB Class的介绍 USB 类是一组设备(或接口),它们具有某些共同属性或服务。 USB 类被定义为允许制造商构建产品,而不必为USB 主机 usb STM32 CDC 下载并关注上传者 开通VIP,低至0.08元下载/次 下载资料需要登录,并消耗一定积分。 声明:本文内容及配图由入驻作者撰写或者入驻合作网站授权转载。文章观点仅...
uchar bDescriptorType; //设备描述符类型编号 uint bcdUSB; //USB版本号 uchar bDeviceClass; //USB分配的设备类 uchar bDeviceSubClass; //USB分配的设备子类 uchar bDeviceProtocol; //USB分配的设备协议代码 uchar bMaxPacketSize0; //端点0的最大包大小 uint idVendor; //厂商编号 uint idProduct; //...
Video Class位于USB协议的Interface级,Interface 描述符中Class code为0xE,其下面分为4个Subclass: Undefined:0x0 VC Interface Subclass:0x1(VC的USB Interface Deor中Subclass标记为此值)。 VS Interface Subclass:0x2(VS的USB Interface Deor中Subclass标记为此值)。 Video Interface Collection Subclass:0x3(IAD的US...
VendorSpec 255 Vendor specific USB class. Remarks Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License. Applies to 产品版本 .NET for Android .NET for Androi...
mechanism to enable bulk or isochronous transfer on the USB when the data does not meet the requirementsfor any other class.1.1 ScopeGiven the broad nature of communication equipment, this specification does not attempt to dictate how allcommunication equipment should use the USB. Rather, it ...
USB Class-Specific Requests Set Report Allows the host to send a report to the device. Offset Field Size Value Description 0 bmRequestType 1 21h 4..0: Recipient …00001 Interface 6..5: Type .01….. Class 7: Direction 0……. Host-to-Device...
Android.Hardware.Usb Assembly: Mono.Android.dll Enumerates values returned by several types. C# publicenumUsbClass Inheritance Enum UsbClass Fields AppSpec254 Application specific USB class. Audio1 USB class for audio devices. CdcData10 USB class for CDC devices (communications device class). ...
Android.Hardware.Usb Assembly: Mono.Android.dll Enumerates values returned by several types. C# publicenumUsbClass Inheritance Enum UsbClass Fields NameValueDescription PerInterface0 USB class indicating that the class is determined on a per-interface basis. ...
这是采用C#开发的一个USB库,使您可以管理USB设备的连接和分离事件,探测自己的设备。可以运行在Windows XP和Windows7 64位系统下。 private void USBPort_USBDeviceAttached(object sender, USBClass.USBDeviceEventArgs e) { if (!MyUSBDeviceConnected) { if (USBClass.GetUSBDevice(MyDeviceVID, MyDevicePID, ...