static void
workaround_first_command (pixma_t * s)
{
/* FIXME: Send a dummy command because the device doesn't response to the
first command that is sent directly after the USB interface has been
set up. Why? USB isn't set up properly? */
uint8_t cmd[10];
int error;
if (s->cfg->pid == MP750_PID)
return; /* MP750 doesn't have this problem(?) */
PDBG (pixma_dbg
(1,
"Work-around for the problem: device doesn't response to the first command.\n"));
memset (cmd, 0, sizeof (cmd));
pixma_set_be16 (cmd_calibrate, cmd);
error = pixma_write (s->io, cmd, 10);
if (error != 10)
{
if (error < 0)
{
PDBG (pixma_dbg
(1, " Sending a dummy command failed: %s\n",
pixma_strerror (error)));
}
else
{
PDBG (pixma_dbg
(1, " Sending a dummy command failed: count = %d\n", error));
}
return;
}
error = pixma_read (s->io, cmd, sizeof (cmd));
if (error >= 0)
{
PDBG (pixma_dbg
(1, " Got %d bytes response from a dummy command.\n", error));
}
else
{
PDBG (pixma_dbg
(1, " Reading response of a dummy command failed: %s\n",
pixma_strerror (error)));
}
}
static void
mp730_finish_scan (pixma_t * s)
{
int error, aborted = 0;
mp730_t *mp = (mp730_t *) s->subdriver;
switch (mp->state)
{
case state_transfering:
drain_bulk_in (s);
/* fall through */
case state_scanning:
case state_warmup:
aborted = 1;
error = abort_session (s);
if (error < 0)
PDBG (pixma_dbg
(1, "WARNING:abort_session() failed %s\n",
pixma_strerror (error)));
/* fall through */
case state_finished:
query_status (s);
query_status (s);
activate (s, 0);
if (! aborted && s->cfg->pid == IR1020_PID)
{
error = abort_session (s);
if (error < 0)
{
PDBG (pixma_dbg
(1, "WARNING:abort_session() failed %s\n",
pixma_strerror (error)));
query_status (s);
query_status (s);
activate (s, 0);
}
}
mp->buf = mp->lbuf = mp->imgbuf = NULL;
mp->state = state_idle;
/* fall through */
case state_idle:
break;
}
}
static void
iclass_finish_scan (pixma_t * s)
{
int error;
iclass_t *mf = (iclass_t *) s->subdriver;
switch (mf->state)
{
/* fall through */
case state_warmup:
case state_scanning:
error = abort_session (s);
if (error < 0)
PDBG (pixma_dbg
(1, "WARNING:abort_session() failed %s\n",
pixma_strerror (error)));
/* fall through */
case state_finished:
query_status (s);
query_status (s);
if (mf->generation == 1)
{ /* activate only seen for generation 1 scanners */
activate (s, 0);
query_status (s);
}
/* 0x38 = last block and ADF empty
* 0x28 = last block and Paper in ADF */
if (mf->last_block==0x38 /* ADF empty */
|| (mf->generation == 1 && mf->last_block == 0x28)) /* generation 1 scanner or Paper in ADF */
{
PDBG (pixma_dbg (3, "*iclass_finish_scan***** abort session *****\n"));
abort_session (s);
}
else
PDBG (pixma_dbg (3, "*iclass_finish_scan***** wait for next page from ADF *****\n"));
mf->state = state_idle;
/* fall through */
case state_idle:
break;
}
}
