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Diffstat (limited to 'firmware/target/arm/pbell/vibe500/powermgmt-vibe500.c')
-rw-r--r--firmware/target/arm/pbell/vibe500/powermgmt-vibe500.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/firmware/target/arm/pbell/vibe500/powermgmt-vibe500.c b/firmware/target/arm/pbell/vibe500/powermgmt-vibe500.c
new file mode 100644
index 0000000000..d84881cea1
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+++ b/firmware/target/arm/pbell/vibe500/powermgmt-vibe500.c
@@ -0,0 +1,57 @@
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 * Copyright (C) 2009 by Szymon Dziok
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version 2
17 * of the License, or (at your option) any later version.
18 *
19 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20 * KIND, either express or implied.
21 *
22 ****************************************************************************/
23
24#include "config.h"
25#include "adc.h"
26#include "powermgmt.h"
27
28const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
29{
30 3515
31};
32
33const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
34{
35 3486
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 { 3474, 3515, 3556, 3597, 3638, 3679, 3720, 3761, 3802, 3843, 3884 }
42};
43
44/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
45const unsigned short percent_to_volt_charge[11] =
46{
47 3474, 3515, 3556, 3597, 3638, 3679, 3720, 3761, 3802, 3843, 3884
48};
49
50#define BATTERY_SCALE_FACTOR 4200
51/* full-scale ADC readout (2^10) in millivolt */
52
53/* Returns battery voltage from ADC [millivolts] */
54unsigned int battery_adc_voltage(void)
55{
56 return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
57}