1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
#include "at_wini.h"
/* State management variables. */
EXTERN int w_command;
/* State management helpers. */
#define IS_REQUEST_PENDING(c) ((c) != CMD_IDLE)
#define IS_READ_PENDING(c) ((c) == CMD_READ \
|| (c) == CMD_READ_EXT || (c) == CMD_READ_DMA || (c) == CMD_READ_DMA_EXT)
#define IS_WRITE_PENDING(c) ((c) == CMD_WRITE \
|| (c) == CMD_WRITE_EXT || (c) == CMD_WRITE_DMA || (c) == CMD_WRITE_DMA_EXT)
/* Custom states definition. */
#define AT_STATE_READ_REQUEST_FREE (SEF_LU_STATE_CUSTOM_BASE + 0)
#define AT_STATE_WRITE_REQUEST_FREE (SEF_LU_STATE_CUSTOM_BASE + 1)
#define AT_STATE_IS_CUSTOM(s) \
((s) >= AT_STATE_READ_REQUEST_FREE && (s) <= AT_STATE_WRITE_REQUEST_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:
case SEF_LU_STATE_PROTOCOL_FREE:
is_ready = (!IS_REQUEST_PENDING(w_command));
break;
/* Custom states. */
case AT_STATE_READ_REQUEST_FREE:
is_ready = (!IS_READ_PENDING(w_command));
break;
case AT_STATE_WRITE_REQUEST_FREE:
is_ready = (!IS_WRITE_PENDING(w_command));
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) || AT_STATE_IS_CUSTOM(state);
}
/*===========================================================================*
* sef_cb_lu_state_dump *
*===========================================================================*/
void sef_cb_lu_state_dump(int state)
{
sef_lu_dprint("at_wini: live update state = %d\n", state);
sef_lu_dprint("at_wini: w_command = 0x%02X\n", w_command);
sef_lu_dprint("at_wini: SEF_LU_STATE_WORK_FREE(%d) reached = %d\n",
SEF_LU_STATE_WORK_FREE, TRUE);
sef_lu_dprint("at_wini: SEF_LU_STATE_REQUEST_FREE(%d) reached = %d\n",
SEF_LU_STATE_REQUEST_FREE, (!IS_REQUEST_PENDING(w_command)));
sef_lu_dprint("at_wini: SEF_LU_STATE_PROTOCOL_FREE(%d) reached = %d\n",
SEF_LU_STATE_PROTOCOL_FREE, (!IS_REQUEST_PENDING(w_command)));
sef_lu_dprint("at_wini: AT_STATE_READ_REQUEST_FREE(%d) reached = %d\n",
AT_STATE_READ_REQUEST_FREE, (!IS_READ_PENDING(w_command)));
sef_lu_dprint("at_wini: AT_STATE_WRITE_REQUEST_FREE(%d) reached = %d\n",
AT_STATE_WRITE_REQUEST_FREE, (!IS_WRITE_PENDING(w_command)));
}
|
