e1f889d228
The following callbacks are concerned: - state_save - state_isvalid Change-Id: I75f71fe162ccd8b23b18cae15f844b79b290a8c1
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
#include <minix/drivers.h>
|
|
|
|
/* State management variables. */
|
|
EXTERN int writing;
|
|
|
|
/* Custom states definition. */
|
|
#define PR_STATE_WRITE_PROTOCOL_FREE (SEF_LU_STATE_CUSTOM_BASE + 0)
|
|
#define PR_STATE_IS_CUSTOM(s) ((s) == PR_STATE_WRITE_PROTOCOL_FREE)
|
|
|
|
/*===========================================================================*
|
|
* sef_cb_lu_prepare *
|
|
*===========================================================================*/
|
|
int sef_cb_lu_prepare(int state)
|
|
{
|
|
int is_ready;
|
|
|
|
/* Check if we are ready for the target state. */
|
|
is_ready = FALSE;
|
|
switch(state) {
|
|
/* Standard states. */
|
|
case SEF_LU_STATE_REQUEST_FREE:
|
|
is_ready = TRUE;
|
|
break;
|
|
|
|
case SEF_LU_STATE_PROTOCOL_FREE:
|
|
is_ready = (!writing);
|
|
break;
|
|
|
|
/* Custom states. */
|
|
case PR_STATE_WRITE_PROTOCOL_FREE:
|
|
is_ready = (!writing);
|
|
break;
|
|
}
|
|
|
|
/* Tell SEF if we are ready. */
|
|
return is_ready ? OK : ENOTREADY;
|
|
}
|
|
|
|
/*===========================================================================*
|
|
* sef_cb_lu_state_isvalid *
|
|
*===========================================================================*/
|
|
int sef_cb_lu_state_isvalid(int state, int UNUSED(flags))
|
|
{
|
|
return SEF_LU_STATE_IS_STANDARD(state) || PR_STATE_IS_CUSTOM(state);
|
|
}
|
|
|
|
/*===========================================================================*
|
|
* sef_cb_lu_state_dump *
|
|
*===========================================================================*/
|
|
void sef_cb_lu_state_dump(int state)
|
|
{
|
|
sef_lu_dprint("printer: live update state = %d\n", state);
|
|
sef_lu_dprint("printer: writing = %d\n", writing);
|
|
|
|
sef_lu_dprint("printer: SEF_LU_STATE_WORK_FREE(%d) reached = %d\n",
|
|
SEF_LU_STATE_WORK_FREE, TRUE);
|
|
sef_lu_dprint("printer: SEF_LU_STATE_REQUEST_FREE(%d) reached = %d\n",
|
|
SEF_LU_STATE_REQUEST_FREE, TRUE);
|
|
sef_lu_dprint("printer: SEF_LU_STATE_PROTOCOL_FREE(%d) reached = %d\n",
|
|
SEF_LU_STATE_PROTOCOL_FREE, (!writing));
|
|
sef_lu_dprint("printer: PR_STATE_WRITE_PROTOCOL_FREE(%d) reached = %d\n",
|
|
PR_STATE_WRITE_PROTOCOL_FREE, (!writing));
|
|
}
|
|
|