Modules/USB/Core/usb_proto.h

   1 /**
   2  */
   3 #ifndef _USB_PROTO_H_
   4 #define _USB_PROTO_H_
   5
   6 struct sDeviceRequest
   7 {
   8         Uint8   ReqType;
   9         Uint8   Request;
  10         Uint16  Value;
  11         Uint16  Index;
  12         Uint16  Length;
  13 };
  14
  15 /*
  16  */
  17 struct sDescriptor_Device
  18 {
  19         Uint8   Length;
  20         Uint8   Type;   // = 1
  21         Uint16  USBVersion;     // BCD, 0x210 = 2.10
  22         Uint8   DeviceClass;
  23         Uint8   DeviceSubClass;
  24         Uint8   DeviceProtocol;
  25         Uint8   MaxPacketSize;
  26
  27         Uint16  VendorID;
  28         Uint16  ProductID;
  29         Uint16  DeviceID;       // BCD
  30
  31         Uint8   ManufacturerStr;
  32         Uint8   ProductStr;
  33         Uint8   SerialNumberStr;
  34
  35         Uint8   NumConfigurations;
  36 } PACKED;
  37
  38 struct sDescriptor_Configuration
  39 {
  40         Uint8   Length;
  41         Uint8   Type;   // = 2
  42
  43         Uint16  TotalLength;
  44         Uint8   NumInterfaces;
  45         Uint8   ConfigurationValue;
  46         Uint8   ConfigurationStr;
  47         Uint8   AttributesBmp;
  48         Uint8   MaxPower;       // in units of 2 mA
  49 } PACKED;
  50
  51 struct sDescriptor_String
  52 {
  53         Uint8   Length;
  54         Uint8   Type;   // = 3
  55
  56         Uint16  Data[62];       // 62 is arbitary
  57 } PACKED;
  58
  59 struct sDescriptor_Interface
  60 {
  61         Uint8   Length;
  62         Uint8   Type;   // = 4
  63
  64         Uint8   InterfaceNum;
  65         Uint8   AlternateSetting;
  66         Uint8   NumEndpoints;   // Excludes endpoint 0
  67
  68         Uint8   InterfaceClass; //
  69         Uint8   InterfaceSubClass;
  70         Uint8   InterfaceProtocol;
  71
  72         Uint8   InterfaceStr;
  73 } PACKED;
  74
  75 struct sDescriptor_Endpoint
  76 {
  77         Uint8   Length;
  78         Uint8   Type;   // = 5
  79         Uint8   Address;        // 3:0 Endpoint Num, 7: Direction (IN/OUT)
  80         /**
  81          * 1:0 - Transfer Type
  82          * - 00 = Control
  83          * - 01 = Isochronous
  84          * - 10 = Bulk
  85          * - 11 = Interrupt
  86          * 3:2 - Synchronisation type (Isonchronous only)
  87          * - 00 = No Synchronisation
  88          * - 01 = Asynchronous
  89          * - 10 = Adaptive
  90          * - 11 = Synchronous
  91          * 5:4 - Usage type (Isonchronous only)
  92          * - 00 = Data endpoint
  93          * - 01 = Feedback endpoint
  94          */
  95         Uint8   Attributes;
  96
  97         Uint16  MaxPacketSize;
  98
  99         /**
 100          *
 101          */
 102         Uint8   PollingInterval;
 103 } PACKED;
 104
 105 #endif
 106