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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
* Revisions copyright (C) 2005 by Gerald Van Baren
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "adc.h"
#include "powermgmt.h"
#include "pcf5060x.h"
#include "pcf50605.h"
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
{
#ifdef IPOD_NANO
3330
#elif defined IPOD_VIDEO
3300
#else
/* FIXME: calibrate value for other 3G+ ipods */
3380
#endif
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
#ifdef IPOD_NANO
3230
#elif defined IPOD_VIDEO
3300
#else
/* FIXME: calibrate value for other 3G+ ipods */
3020
#endif
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
#ifdef IPOD_NANO
/* measured values */
{ 3230, 3620, 3700, 3730, 3750, 3780, 3830, 3890, 3950, 4030, 4160 },
#elif defined IPOD_VIDEO
/* iPOD Video 30GB Li-Ion 400mAh, first approach based upon measurements */
{ 3450, 3670, 3710, 3750, 3790, 3830, 3870, 3930, 4010, 4100, 4180 },
#elif defined IPOD_COLOR
/* iPOD Color 60GB Li-Ion, first approach based upon measurements */
{ 3500, 3676, 3729, 3755, 3778, 3805, 3847, 3919, 3961, 4071, 4109 },
#else
/* FIXME: calibrate value for other 3G+ ipods */
/* Table is "inherited" from iriver H100. */
{ 3370, 3650, 3700, 3740, 3780, 3820, 3870, 3930, 4000, 4080, 4160 }
#endif
};
#if CONFIG_CHARGING
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short percent_to_volt_charge[11] =
{
#ifdef IPOD_NANO
/* measured values */
3230, 3620, 3700, 3730, 3750, 3780, 3830, 3890, 3950, 4030, 4160
#elif defined IPOD_VIDEO
/* iPOD Video 30GB Li-Ion 400mAh, first approach based upon measurements */
3450, 3670, 3710, 3750, 3790, 3830, 3870, 3930, 4010, 4100, 4180
#else
/* FIXME: calibrate value for other 3G+ ipods */
/* Table is "inherited" from iriver H100. */
3540, 3860, 3930, 3980, 4000, 4020, 4040, 4080, 4130, 4180, 4230
#endif
};
#endif /* CONFIG_CHARGING */
#define BATTERY_SCALE_FACTOR 6000
/* full-scale ADC readout (2^10) in millivolt */
/* Returns battery voltage from ADC [millivolts] */
unsigned int battery_adc_voltage(void)
{
return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
}
#ifdef HAVE_ACCESSORY_SUPPLY
void accessory_supply_set(bool enable)
{
if (enable)
{
/* Accessory voltage supply */
pcf50605_write(PCF5060X_D2REGC1, 0xf8); /* 3.3V ON */
}
else
{
/* Accessory voltage supply */
pcf50605_write(PCF5060X_D2REGC1, 0x18); /* OFF */
}
}
#endif
|