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Diffstat (limited to 'firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c')
-rw-r--r--firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c b/firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c
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index 0000000000..1b6a52f517
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+++ b/firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c
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1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
11 * Revisions copyright (C) 2005 by Gerald Van Baren
12 *
13 * All files in this archive are subject to the GNU General Public License.
14 * See the file COPYING in the source tree root for full license agreement.
15 *
16 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
17 * KIND, either express or implied.
18 *
19 ****************************************************************************/
20
21#include "config.h"
22#include "adc.h"
23#include "powermgmt.h"
24
25/* FIXME: All voltages copied from H10/Tatung Elio. This will need changing
26 proper power management. */
27
28const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
29{
30 3760
31};
32
33const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
34{
35 3650
36};
37
38/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
39const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
40{
41 { 3760, 3800, 3850, 3870, 3900, 3950, 4020, 4070, 4110, 4180, 4240 }
42};
43
44#if CONFIG_CHARGING
45/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
46const unsigned short percent_to_volt_charge[11] =
47{
48 3990, 4030, 4060, 4080, 4100, 4120, 4150, 4180, 4220, 4260, 4310
49};
50#endif /* CONFIG_CHARGING */
51
52#define BATTERY_SCALE_FACTOR 4650
53/* full-scale ADC readout (2^10) in millivolt */
54
55/* Returns battery voltage from ADC [millivolts] */
56unsigned int battery_adc_voltage(void)
57{
58 return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
59}