2013年4月23日
USB枚举 Windows : How does USB stack enumerate a device?
摘要： 参见USB枚举过程USB枚举过程图示http://blogs.msdn.com/b/usbcoreblog/archive/2010/09/11/9915562.aspxDevice enumeration for a USB port begins when the hub indicate a ... 阅读全文
posted @ 2013-04-23 11:14 IAmAProgrammer 阅读(1679) 评论(0) 推荐(0) 编辑
USB device classes
摘要： ClassUsageDescriptionExamples00hDeviceUnspecifiedclass 0(Device class is unspecified. Interface descriptors are used for determining the required drivers.)01hInterfaceAudioSpeaker,microphone,sound card02hBothCommunications and CDC ControlEthernet adapter,modem,serial port adapter03hInterfaceHuman In 阅读全文
posted @ 2013-04-23 00:42 IAmAProgrammer 阅读(639) 评论(0) 推荐(0) 编辑