usbstorage.h

   1 #ifndef __USBSTORAGE_H
   2 #define __USBSTORAGE_H  1
   3
   4 #ifdef __cplusplus
   5    extern "C" {
   6 #endif /* __cplusplus */
   7
   8 #include <gctypes.h>
   9
  10 #define USBSTORAGE_OK                   0
  11 #define USBSTORAGE_ENOINTERFACE         -10000
  12 #define USBSTORAGE_ESENSE               -10001
  13 #define USBSTORAGE_ECAPACITY            -10002
  14 #define USBSTORAGE_ESHORTWRITE          -10003
  15 #define USBSTORAGE_ESHORTREAD           -10004
  16 #define USBSTORAGE_ESIGNATURE           -10005
  17 #define USBSTORAGE_ETAG                 -10006
  18 #define USBSTORAGE_ESTATUS              -10007
  19 #define USBSTORAGE_EDATARESIDUE         -10008
  20
  21 #pragma pack(1)
  22 typedef struct _usbendpointdesc
  23 {
  24         u8 bLength;
  25         u8 bDescriptorType;
  26         u8 bEndpointAddress;
  27         u8 bmAttributes;
  28         u16 wMaxPacketSize;
  29         u8 bInterval;
  30 } usb_endpointdesc;
  31
  32 typedef struct _usbinterfacedesc
  33 {
  34         u8 bLength;
  35         u8 bDescriptorType;
  36         u8 bInterfaceNumber;
  37         u8 bAlternateSetting;
  38         u8 bNumEndpoints;
  39         u8 bInterfaceClass;
  40         u8 bInterfaceSubClass;
  41         u8 bInterfaceProtocol;
  42         u8 iInterface;
  43         struct _usbendpointdesc *endpoints;
  44 } usb_interfacedesc;
  45
  46 typedef struct _usbconfdesc
  47 {
  48         u8 bLength;
  49         u8 bDescriptorType;
  50         u16 wTotalLength;
  51         u8 bNumInterfaces;
  52         u8 bConfigurationValue;
  53         u8 iConfiguration;
  54         u8 bmAttributes;
  55         u8 bMaxPower;
  56         struct _usbinterfacedesc *interfaces;
  57 } usb_configurationdesc;
  58
  59 typedef struct _usbdevdesc
  60 {
  61         u8  bLength;
  62         u8  bDescriptorType;
  63         u16 bcdUSB;
  64         u8  bDeviceClass;
  65         u8  bDeviceSubClass;
  66         u8  bDeviceProtocol;
  67         u8  bMaxPacketSize0;
  68         u16 idVendor;
  69         u16 idProduct;
  70         u16 bcdDevice;
  71         u8  iManufactor;
  72         u8  iProduct;
  73         u8  iSerialNumber;
  74         u8  bNumConfigurations;
  75         struct _usbconfdesc *configurations;
  76 } _usb_devdesc;
  77 #pragma pack()
  78
  79 typedef struct
  80 {
  81         u8 configuration;
  82         u32 interface;
  83         u32 altInterface;
  84
  85         u8 ep_in;
  86         u8 ep_out;
  87
  88         u32 ep_in_size;
  89         u32 ep_out_size;
  90
  91         u32 sector_size;
  92         u32 n_sectors;
  93
  94         s32 usb_fd;
  95
  96         mutex_t lock;
  97
  98         u32 tag;
  99 } usbstorage_handle;
 100
 101 s32 USB_GetDescriptors(s32 fd, _usb_devdesc *udd);
 102 void USB_FreeDescriptors(_usb_devdesc *udd);
 103
 104 s32 USBStorage_Initialize();
 105 s32 USBStorage_Deinitialize();
 106
 107 s32 USBStorage_Open(usbstorage_handle *dev, const char *bus, u16 vid, u16 pid);
 108 s32 USBStorage_Close(usbstorage_handle *dev);
 109 s32 USBStorage_Reset(usbstorage_handle *dev);
 110
 111 s32 USBStorage_ReadCapacity(usbstorage_handle *dev, u32 *sector_size, u32 *n_sectors);
 112
 113 s32 USBStorage_Read(usbstorage_handle *dev, u32 sector, u8 *buffer, u16 n_sectors);
 114 s32 USBStorage_Write(usbstorage_handle *dev, u32 sector, const u8 *buffer, u16 n_sectors);
 115
 116 #ifdef __cplusplus
 117    }
 118 #endif /* __cplusplus */
 119
 120 #endif