/** release all claimed devices
* loop on all opened devices and claim interface 0
* @param dn array of opened device number
* @param expected number of devices to be claimed
* @return 1 on success, else 0
*/
static int
test_release_all (SANE_Int * dn, int expected)
{
int released = 0;
int i;
SANE_Status status;
device_list_type mock;
released = 0;
for (i = 0; i < expected; i++)
{
status =
sanei_usb_release_interface (dn[i], devices[dn[i]].interface_nr);
if (status != SANE_STATUS_GOOD)
{
printf ("ERROR: couldn't release interface 0 on device %d!\n",
dn[i]);
}
else
{
released++;
}
}
if (released != expected)
{
printf ("ERROR: expected %d released interfaces, got %d!\n", expected,
released);
return 0;
}
printf ("%d devices released...\n\n", released);
/* try to release invalid device entry */
status = sanei_usb_release_interface (device_number, 0);
if (status == SANE_STATUS_GOOD)
{
printf ("ERROR: could release interface 0 on invalid device!\n");
return 0;
}
/* create a mock device and make it missing by rescanning */
create_mock_device ("mock", &mock);
store_device (mock);
sanei_usb_scan_devices ();
/* try to claim interface on missing device */
status = sanei_usb_release_interface (device_number - 1, 0);
if (status == SANE_STATUS_GOOD)
{
printf ("ERROR: could release interface 0 on invalid device!\n");
return 0;
}
/* remove mock device */
device_number--;
free (devices[device_number].devname);
devices[device_number].devname = NULL;
return 1;
}
/* Close device */
void
sane_close (SANE_Handle handle)
{
struct scanner *s = (struct scanner *) handle;
unsigned i;
hopper_down (s);
if (s->bus == USB)
{
sanei_usb_release_interface (s->file, 0);
sanei_usb_close (s->file);
}
else
sanei_scsi_close (s->file);
for (i = 1; i < NUM_OPTIONS; i++)
{
if (s->opt[i].type == SANE_TYPE_STRING && s->val[i].s)
free (s->val[i].s);
}
for (i = 0; i < sizeof (s->buf) / sizeof (s->buf[0]); i++)
buf_deinit (&s->buf[i]);
free (s->buffer);
free (s);
}
static SANE_Status
usb_send_command (struct scanner *s, struct cmd *c, struct response *r,
void *buf)
{
SANE_Status st;
struct bulk_header *h = (struct bulk_header *) buf;
u8 resp[sizeof (*h) + STATUS_SIZE];
size_t sz = sizeof (*h) + MAX_CMD_SIZE;
memset (h, 0, sz);
h->length = cpu2be32 (sz);
h->type = cpu2be16 (COMMAND_BLOCK);
h->code = cpu2be16 (COMMAND_CODE);
memcpy (h + 1, c->cmd, c->cmd_size);
st = sanei_usb_write_bulk (s->file, (const SANE_Byte *) h, &sz);
if (st)
return st;
if (sz != sizeof (*h) + MAX_CMD_SIZE)
return SANE_STATUS_IO_ERROR;
if (c->dir == CMD_IN)
{
sz = sizeof (*h) + c->data_size;
st = sanei_usb_read_bulk (s->file, (SANE_Byte *) h, &sz);
c->data = h + 1;
c->data_size = sz - sizeof (*h);
if (st || sz < sizeof (*h))
{
st = sanei_usb_release_interface (s->file, 0);
if (st)
return st;
st = sanei_usb_claim_interface (s->file, 0);
if (st)
return st;
r->status = CHECK_CONDITION;
return SANE_STATUS_GOOD;
}
}
else if (c->dir == CMD_OUT)
{
sz = sizeof (*h) + c->data_size;
memset (h, 0, sizeof (*h));
h->length = cpu2be32 (sizeof (*h) + c->data_size);
h->type = cpu2be16 (DATA_BLOCK);
h->code = cpu2be16 (DATA_CODE);
memcpy (h + 1, c->data, c->data_size);
st = sanei_usb_write_bulk (s->file, (const SANE_Byte *) h, &sz);
if (st)
return st;
}
sz = sizeof (resp);
st = sanei_usb_read_bulk (s->file, resp, &sz);
if (st || sz != sizeof (resp))
return SANE_STATUS_IO_ERROR;
r->status = be2cpu32 (*((u32 *) (resp + sizeof (*h))));
return st;
}
void
sane_close (SANE_Handle h)
{
struct device_s *dev = (struct device_s *) h;
/* Just in case if sane_cancel() is called
* after starting a scan but not while a sane_read
*/
if (dev->status == STATUS_CANCELING)
{
do_cancel(dev);
}
sanei_usb_release_interface (dev->dn, 0);
sanei_usb_close (dev->dn);
}
/* Close device */
void
sane_close (SANE_Handle handle)
{
struct scanner *s = (struct scanner *) handle;
int i;
if (s->bus == USB)
{
sanei_usb_release_interface (s->file, 0);
sanei_usb_close (s->file);
}
else
sanei_scsi_close (s->file);
for (i = 1; i < NUM_OPTIONS; i++)
{
if (s->opt[i].type == SANE_TYPE_STRING && s->val[i].s)
free (s->val[i].s);
}
if (s->data)
free (s->data);
free (s->buffer);
free (s);
}
/* Open device, return the device handle */
SANE_Status
sane_open (SANE_String_Const devname, SANE_Handle * handle)
{
unsigned i, j, id = 0;
struct scanner *s;
SANE_Int h, bus;
SANE_Status st = SANE_STATUS_GOOD;
if (!devlist)
{
st = sane_get_devices (NULL, 0);
if (st)
return st;
}
for (i = 0; devlist[i]; i++)
{
if (!strcmp (devlist[i]->name, devname))
break;
}
if (!devlist[i])
return SANE_STATUS_INVAL;
for (j = 0; j < sizeof (known_devices) / sizeof (known_devices[0]); j++)
{
if (!strcmp (devlist[i]->model, known_devices[j].scanner.model))
{
id = known_devices[j].id;
break;
}
}
st = sanei_usb_open (devname, &h);
if (st == SANE_STATUS_ACCESS_DENIED)
return st;
if (st)
{
st = sanei_scsi_open (devname, &h, kvs40xx_sense_handler, NULL);
if (st)
{
return st;
}
bus = SCSI;
}
else
{
bus = USB;
st = sanei_usb_claim_interface (h, 0);
if (st)
{
sanei_usb_close (h);
return st;
}
}
s = malloc (sizeof (struct scanner));
if (!s)
return SANE_STATUS_NO_MEM;
memset (s, 0, sizeof (struct scanner));
s->buffer = malloc (MAX_READ_DATA_SIZE + BULK_HEADER_SIZE);
if (!s->buffer)
return SANE_STATUS_NO_MEM;
s->file = h;
s->bus = bus;
s->id = id;
strcpy (s->name, devname);
*handle = s;
for (i = 0; i < 3; i++)
{
st = kvs40xx_test_unit_ready (s);
if (st)
{
if (s->bus == SCSI)
{
sanei_scsi_close (s->file);
st = sanei_scsi_open (devname, &h, kvs40xx_sense_handler, NULL);
if (st)
return st;
}
else
{
sanei_usb_release_interface (s->file, 0);
sanei_usb_close (s->file);
st = sanei_usb_open (devname, &h);
if (st)
return st;
st = sanei_usb_claim_interface (h, 0);
if (st)
{
sanei_usb_close (h);
return st;
}
}
s->file = h;
}
else
break;
}
if (i == 3)
return SANE_STATUS_DEVICE_BUSY;
if (id == KV_S4085C || id == KV_S4065C)
{
char str[16];
st = inquiry (s, str);
if (st)
goto err;
if (id == KV_S4085C)
s->id = !strcmp (str, "KV-S4085CL") ? KV_S4085CL : KV_S4085CW;
else
s->id = !strcmp (str, "KV-S4065CL") ? KV_S4065CL : KV_S4065CW;
}
kvs40xx_init_options (s);
st = kvs40xx_set_timeout (s, s->val[FEED_TIMEOUT].w);
if (st)
goto err;
return SANE_STATUS_GOOD;
err:
sane_close (s);
return st;
}