USB specification 2.0 Full speed compatible and USB IF certification USB audio device class specification 1.0 and USB HID class specification 1.1 compliant Support control, interrupt and isochroous data transfers USB suspend/resume and remote wake-up supported Embedded USB transceiver and power-on reset...
4.) USB Touchscreen Class Descriptor /* HID Touchscreen HID descriptor */ const char Class_Descriptor[]= { 0x09, /* descriptor size (9 bytes) */ 0x21, /* descriptor type (HID) */ 0x10, 0x01, /* class specification (1.10) */ 0x00, /* hardware target country */ 0x01, /* nu...
设备类型 标准的设备和接口描述符包含有关分类的内容:class,sub-class和protocol。这些字段主机可以用来设备或接口和驱动联系。依赖于分类说明是如何指定的?对于class字段和接口描述符的合法字段是由USB Device Working Group来定义的。 在Class Specification中将设备或接口分组归类并指定特性,这样就使得主机开发软件能够基于...
bDeviceClass/bDeviceSubClass/bDeviceProtocol域:它们被操作系统使用,用于为你的设备加载对应的驱动程序。通常,仅在设备级别设置 bDeviceClass,大多数类规范(class specification)选择在接口级别(interface level)标识自身,因此将 bDeviceClass 设置为 0x00,这样一台设备即可支持多个类别(注:意味着一个设备需要有多个驱动...
HID Class Driver Architecture 3.2.3 Class-Specific Descriptors There are three class-specific descriptors defined in the HID specification 1.11: the HID descrip- tor, the report descriptor and the physical descriptor. 3.2.3.1 HID Descriptor The HID descriptor gives information about the HID ...
分别是cable, Device Class Specification跟Test的部分,Test有3项Matrix, 规格, 跟Tool的部分 对于写软件的人来说,最重要的应该是会看这一份,跟装置类别有关的 当然如果你对特定的某个技术特别想知道的,譬如说Type-C,你也可以直接选Category,再直接选USB Type-C 总之,在USB.org的官网上面 它将所有的文件、都...
15. USB红外触摸屏的HID描述符遵循了USB设备类规范,保证了其与USB主机的兼容性。 The HID descriptor of the USB infrared touch screen follows the USB device class specification, ensuring its compatibility with USB hosts. 16.它能够支持各种操作系统,包括Windows、Mac、Linux等,无需安装额外的驱动程序。 It...
嵌入式设备上的USB HID 类
11、o the HID Device Class Specification found on the USB-IF website.That specification defines the usable set of SubClass and Protocol values.Values outside of that defined spec are reserved.These class codes can only be used in Interface Descriptors.Protocol MeaningBase Class SubClass03h xxh xx...
TD-9.27.3.5 HID Specification Version Test TD-9.27.3.1 HID Descriptor Test This test verifies that the device that is being tested responds to a valid Get HID Descriptor request and returns a descriptor in compliance with the HID specification. It also verifies that the HID descriptors in the ...