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7.4.4 HcRhPortStatus[1:NDP] Register
字段功能说明 The HcRhPortStatus[1:NDP] register is used to control and report port events on a per-port basis. NumberDownstreamPorts represents the number of HcRhPortStatus registers t... -
010_理解MVVM
MVVM 模型 标准定义 Vue 借鉴 MVVM 设计的模型 源码 MVVM 模型 标准定义 本部分引用 维基百科(https://zh.wikipedia.org/wiki/MVVM ) MVVM（M odel–V iew–V iewM odel）是一种软件架构模式。 MVVM有助于将图形用户界面的开发与业务逻辑或后端逻辑（数据模型）... -
4.2 Endpoint Descriptor
An Endpoint Descriptor (ED) is a 16-byte, memory resident structure that must be aligned to a 16-byte boundary . The Host Controller traverses lists of EDs and if there are TDs lin... -
4.3 Transfer Descriptors
A Transfer Descriptor (TD) is a system memory data structure that is used by the Host Controller to define a buffer of data that will be moved to or from an endpoint. TDs come in ... -
4.3.1 General Transfer Descriptor
4.3.1.1 General Transfer Descriptor Format 4.3.1.2 General Transfer Descriptor Field Definitions Transfers for control, bulk, and interrupt all use the same format for their Tra... -
7.4.3 HcRhStatus Register
图7-21：HcRhStatus寄存器结构说明 寄存器位布局（31:0） 字段功能详述 7.4.3 HcRhStatus Register The HcRhStatus register is divided into two parts. The lower word of a Dword represents the Hub Status fi... -
11.15.1 Standard Descriptors
Device Descriptor 设备描述符 Interface Descriptor 接口描述符 Configuration Descriptor 配置描述符 Endpoint Descriptor (for Status Change Endpoint) 端点描述符（用于状态变更端点） The hub class pre-define...