Modules/USB/Core/include/usb_core.h

   1 /*
   2  * Acess2 USB Stack
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * usb_core.h
   6  * - Core USB IO Header
   7  */
   8 #ifndef _USB_CORE_H_
   9 #define _USB_CORE_H_
  10
  11 typedef struct sUSBInterface    tUSBInterface;
  12 typedef struct sUSBDriver       tUSBDriver;
  13
  14 /**
  15  */
  16 struct sUSBDriver
  17 {
  18         tUSBDriver      *Next;
  19
  20         const char      *Name;
  21
  22          int    MatchType;      // 0: Interface, 1: Device, 2: Vendor
  23         union {
  24                 struct {
  25                         // 23:16 - Interface Class
  26                         // 15:8  - Interface Sub Class
  27                         // 7:0   - Interface Protocol
  28                         Uint32  ClassMask;
  29                         Uint32  ClassCode;
  30                 } Class;
  31                 struct {
  32                         Uint16  VendorID;
  33                         Uint16  DeviceID;
  34                 } VendorDev;
  35         } Match;
  36
  37         void    (*Connected)(tUSBInterface *Dev);
  38         void    (*Disconnected)(tUSBInterface *Dev);
  39
  40          int    MaxEndpoints;
  41         struct {
  42                 // USB Attrbute byte
  43                 // NOTE: Top bit indicates the direction (1=Input)
  44                 Uint8   Attributes;
  45                 // Data availiable Callback
  46                 void    (*DataAvail)(tUSBInterface *Dev, int Length, void *Data);
  47         } Endpoints[];
  48 };
  49
  50 extern void     *USB_GetDeviceDataPtr(tUSBInterface *Dev);
  51 extern void     USB_SetDeviceDataPtr(tUSBInterface *Dev, void *Ptr);
  52
  53 extern void     USB_StartPollingEndpoint(tUSBInterface *Dev, int Endpoint);
  54 extern void     USB_ReadDescriptor(tUSBInterface *Dev, int Type, int Index, int Length, void *Data);
  55 // TODO: Async
  56 extern void     USB_SendData(tUSBInterface *Dev, int Endpoint, int Length, void *Data);
  57 extern void     USB_RecvData(tUSBInterface *Dev, int Endpoint, int Length, void *Data);
  58
  59 #endif
  60