ＳＴＭ３２——ＵＳＢ详细使用说明（2） 详细信息, 主机

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1）Index[4 - 5]：表示 USB插入总线复位；
2）Index[7 -8]：表示主机向默认地址发送GET_DESCRIPTOR指令包，详细信
息也抓出来了，如（图二）所示

3）Index[15 - 17]：表示设备向主机发送设备描述数据 Index[16]
4）Index[18 - 19]：表示主机完成 GET_DESCRIPTOR指令后，给设备发送一个
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现在具体的分析１０３的ｕｓｂ的执行过程按顺序向下执行
***************（1）**************
DEVICE_INFO*pInformation;
DEVICE_PROP*pProperty;
DEVICE_PROP Device_Property=
  {
   Joystick_init,
   Joystick_Reset,
   Joystick_Status_In,
   Joystick_Status_Out,
   Joystick_Data_Setup,
   Joystick_NoData_Setup,
   Joystick_Get_Interface_Setting,
   Joystick_GetDeviceDescriptor,
   Joystick_GetConfigDescriptor,
   Joystick_GetStringDescriptor,
    0,
    0x40
  };
USER_STANDARD_REQUESTS User_Standard_Requests=
  {
   Joystick_GetConfiguration,
   Joystick_SetConfiguration,
   Joystick_GetInterface,
   Joystick_SetInterface,
   Joystick_GetStatus,
   Joystick_ClearFeature,
   Joystick_SetEndPointFeature,
   Joystick_SetDeviceFeature,
   Joystick_SetDeviceAddress
  };
//USB内核将主机发送过来的用于实现USB设备的设置包保存在设备信息结构表中
typedef struct _DEVICE_INFO
{
  uint8_tUSBbmRequestType;           
  uint8_tUSBbRequest;               
  uint16_t_uint8_tUSBwValues;        
  uint16_t_uint8_tUSBwIndexs;        
  uint16_t_uint8_tUSBwLengths;      
  uint8_tControlState;               
  uint8_t Current_Feature;
  uint8_tCurrent_Configuration;   
  uint8_tCurrent_Interface;        
  uint8_tCurrent_AlternateSetting;
  ENDPOINT_INFO Ctrl_Info;
}DEVICE_INFO;