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
77
78
79
80
81
82
83
84
85
86
87
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1994, by Sun Microsystems, Inc.
*/
#ifndef _SYS_BATTERY_H
#define _SYS_BATTERY_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* battery.h: Declarations for the common battery interface.
* It is expected that any module supporting /dev/battery
* will support the following ioctls. When the BATT_STATUS
* ioctl is used, a module may return -1 for any fields which
* are not known.
*/
#define BATT_IDSTR_LEN 40
/*
* Generic ioctls
*/
typedef enum {
BATT_STATUS = 0, /* Module will return a battery_t structure */
BATT_ESCAPE /* Module specific */
} batt_ioctl_t;
/*
* Response fields
*/
typedef enum {
NOT_PRESENT = 0,
EMPTY, /* Battery has (effectively) no capacity */
LOW_CAPACITY, /* Battery has less than 25% capacity */
MED_CAPACITY, /* Battery has less than 50% capacity */
HIGH_CAPACITY, /* Battery has less than 75% capacity */
FULL_CAPACITY, /* Battery has more than 75% capacity */
EOL /* Battery is dead */
} batt_status_t;
typedef enum {
DISCHARGE = 0, /* Battery is discharging (i.e. in use) */
FULL_CHARGE, /* Battery is charging at its fastest rate */
TRICKLE_CHARGE /* Battery is charging at a slower rate */
} batt_charge_t;
typedef struct {
char id_string[BATT_IDSTR_LEN];
int total; /* Total capacity (mWhrs) */
char capacity; /* Current capacity (percentage) */
int discharge_rate; /* Current discharge rate (mW) */
int discharge_time; /* Discharge time at current rate (s) */
batt_status_t status; /* General battery status */
batt_charge_t charge; /* Current charging condition */
} battery_t;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_BATTERY_H */
|
