s32 USBStorage2_Init(u32 port)
{
if(hddInUse[port])
return 0;
/* Create heap */
if (hid < 0)
{
hid = iosCreateHeap(UMS_HEAPSIZE);
if (hid < 0) return IPC_ENOMEM;
}
/* Open USB device */
if (fd < 0) fd = IOS_Open(fs, 0);
if (fd < 0) fd = IOS_Open(fs2, 0);
if (fd < 0) fd = IOS_Open(fs3, 0);
if (fd < 0) return fd;
USBStorage2_SetPort(port);
/* Initialize USB storage */
IOS_IoctlvFormat(hid, fd, USB_IOCTL_UMS_INIT, ":");
/* Get device capacity */
if (USBStorage2_GetCapacity(port, &hdd_sector_size[port]) == 0)
return IPC_ENOENT;
hddInUse[port] = true;
return 0; // 0->HDD, 1->DVD
}
s32 Partition_GetEntries(u32 device, partitionEntry *outbuf, u32 *outval)
{
static partitionTable table ATTRIBUTE_ALIGN(32);
u32 cnt, sector_size;
s32 ret;
/* Read from specified device */
switch (device) {
case WBFS_DEVICE_USB: {
/* Get sector size */
ret = USBStorage2_GetCapacity(§or_size);
if (ret < 0)
return ret;
/* Read partition table */
ret = USBStorage2_ReadSectors(0, 1, &table);
if (ret < 0)
return ret;
break;
}
case WBFS_DEVICE_SDHC: {
/* SDHC sector size */
sector_size = SDHC_SECTOR_SIZE;
/* Read partition table */
ret = SDHC_ReadSectors(0, 1, &table);
if (!ret)
return -1;
break;
}
default:
return -1;
}
/* Swap endianess */
for (cnt = 0; cnt < 4; cnt++) {
partitionEntry *entry = &table.entries[cnt];
entry->sector = swap32(entry->sector);
entry->size = swap32(entry->size);
}
/* Set partition entries */
memcpy(outbuf, table.entries, sizeof(table.entries));
/* Set sector size */
*outval = sector_size;
return 0;
}
static bool __usbstorage_IsInserted2(void)
{
return (USBStorage2_GetCapacity(1, NULL) != 0);
}