It realizes role change of embedded USB device between host and device through the Host Negotiation Protocol and the Session Request Protocol.
它通过HNP(主从交换)协议和SRP(对话请求)协议,实现嵌入式USB设备在主机和设备之间的角色转换。
参考来源 - 基于EHCI协议的OTG USB2.0 FPGA设计与实现·2,447,543篇论文数据,部分数据来源于NoteExpress
Creates a session request that allows the event handler to set the rule path and the input parameters.
创建一个允许事件处理器设计规则路径和输入参数的会话请求。
Look at the general form of the XML for a start session request (see highlighted sections) shown in listing 4.
查看一个开始会话请求的XML的通用格式,如清单4所示(突出显示的部分)。
For example, the subscriber class encapsulates the subscriber data that forms part of a request (a start session request, for example).
例如,Subscriber类封装了构成部分请求的订阅者数据(例如,一个开始会话的请求)。
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