127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
#ifndef USBEXTREME_H
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#define USBEXTREME_H
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#ifndef u8
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#include <stdint.h>
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typedef uint8_t u8;
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typedef uint16_t u16;
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#endif
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#ifndef size_t
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#include <stddef.h>
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#endif
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#define USBEXTREME_NAME_LENGTH 32
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#define USBEXTREME_ID_LENGTH 15
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#define USBEXTREME_NAME_EXT_LENGTH 10
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#define USBEXTREME_MAGIC 0x08
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#define USBEXTREME_FILESTAT_NAME_LENGTH USBEXTREME_NAME_LENGTH + USBEXTREME_NAME_EXT_LENGTH
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#define USBEXTREME_PREFIX "ul."
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#define USBEXTREME_CRC32_LENGTH 8
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#define USBEXTREME_FILENAME_LENGTH USBEXTREME_ID_LENGTH + USBEXTREME_CRC32_LENGTH + 1
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#define USBEXTREME_PART_SIZE = 0x40000000
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typedef enum {
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SCECdGDTFUNCFAIL = -1,
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SCECdNODISC = 0x00,
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SCECdDETCT,
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SCECdDETCTCD,
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SCECdDETCTDVDS,
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SCECdDETCTDVDD,
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SCECdUNKNOWN,
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SCECdPSCD = 0x10,
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SCECdPSCDDA,
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SCECdPS2CD,
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SCECdPS2CDDA,
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SCECdPS2DVD,
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SCECdCDDA = 0xFD,
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SCECdDVDV,
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SCECdIllegalMediaoffset
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} SCECdvdMediaType;
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typedef enum {
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USB_EXTREME_V0 = 0x00,
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USB_EXTREME_V1,
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USB_EXTREME_UNKNOWN
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} usb_extreme_versions;
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typedef struct __attribute__((__packed__)) {
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u8 empty[6 + USBEXTREME_ID_LENGTH + USBEXTREME_NAME_LENGTH];
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u8 magic;
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u8 empty2[10];
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} usb_extreme_base;
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typedef struct __attribute__((__packed__)) {
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char name[USBEXTREME_NAME_LENGTH];
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char id[USBEXTREME_ID_LENGTH];
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u8 n_parts;
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u8 type;
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u8 empty[4];
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u8 magic;
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u8 empty2[USBEXTREME_NAME_EXT_LENGTH];
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} usb_extreme_v0;
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typedef struct __attribute__((__packed__)) {
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char name[USBEXTREME_NAME_LENGTH];
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char id[USBEXTREME_ID_LENGTH];
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u8 n_parts;
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u8 type;
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u16 size;
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u8 video_mode;
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u8 usb_extreme_version;
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u8 magic;
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char name_ext[USBEXTREME_NAME_EXT_LENGTH];
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} usb_extreme_v1;
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typedef struct {
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size_t offset;
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char name[USBEXTREME_FILESTAT_NAME_LENGTH];
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SCECdvdMediaType type;
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size_t size;
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u8 video_mode;
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usb_extreme_versions usb_extreme_version;
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char filename[USBEXTREME_FILENAME_LENGTH];
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u8 parts;
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} usb_extreme_filestat;
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typedef struct {
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void *first_header;
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usb_extreme_base *headers;
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size_t num_headers;
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size_t headerslen;
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usb_extreme_versions version;
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} usb_extreme_headers;
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#define USBEXTREME_HEADER_SIZE sizeof(usb_extreme_base)
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/* Global headers functions */
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int is_oue(const void *headers, const size_t headerslen);
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usb_extreme_versions get_version(u8 version);
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size_t oue_point_headers(usb_extreme_base **headers, void *raw_headers, size_t headerslen);
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size_t oue_num_headers(size_t *num_headers, const void *headers, size_t headerslen);
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int oue_version(usb_extreme_versions *version, const void *headers, size_t headerslen);
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int oue_read_headers(usb_extreme_headers *headers, void *raw_headers, const size_t headerslen);
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/* Read functions */
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size_t oue_read(usb_extreme_filestat *filestats, const usb_extreme_headers headers, const int filestats_nlen);
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void oue_get_name(char *dest, size_t length, const usb_extreme_headers headers, size_t offset);
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void oue_filename(char *buffer, size_t length, const usb_extreme_headers headers, size_t offset);
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size_t oue_part_size(const usb_extreme_headers headers, size_t offset);
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/* implementation in development
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*
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int oue_add(usb_extreme_headers *headers, const usb_extreme_filestat filestat);
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int oue_edit(usb_extreme_headers *headers, const usb_extreme_filestat filestat);
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int oue_remove(usb_extreme_headers *headers, const usb_extreme_filestat filestat);
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*/
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#endif /* !USBEXTREME_H */
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