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author | Marcin Bukat <marcin.bukat@gmail.com> | 2010-04-26 21:40:16 +0000 |
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committer | Marcin Bukat <marcin.bukat@gmail.com> | 2010-04-26 21:40:16 +0000 |
commit | 28d54c6016459ffe93c0be2efea7de27c38d783c (patch) | |
tree | 9a7a71481f0a82599616a3e9f4e5bdad9fee8d6c /firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c | |
parent | b09d3aec392538ca0934644ff6357c41aaa4c323 (diff) | |
download | rockbox-28d54c6016459ffe93c0be2efea7de27c38d783c.tar.gz rockbox-28d54c6016459ffe93c0be2efea7de27c38d783c.zip |
Add MPIO HD200 port - new files
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25725 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c')
-rw-r--r-- | firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c b/firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c new file mode 100644 index 0000000000..23a0bac927 --- /dev/null +++ b/firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c | |||
@@ -0,0 +1,59 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id:$ | ||
9 | * | ||
10 | * Copyright (C) 2010 Marcin Bukat | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #include "config.h" | ||
23 | #include "adc.h" | ||
24 | #include "powermgmt.h" | ||
25 | |||
26 | const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = | ||
27 | { | ||
28 | 3700 | ||
29 | }; | ||
30 | |||
31 | const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = | ||
32 | { | ||
33 | 3650 | ||
34 | }; | ||
35 | |||
36 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ | ||
37 | const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = | ||
38 | { | ||
39 | /* from OF and measurements voltage range is 3.7-4.1 V */ | ||
40 | { 3700, 3740, 3780, 3820, 3860, 3900, 3940, 3980, 4020, 4060, 4100 } | ||
41 | }; | ||
42 | |||
43 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ | ||
44 | const unsigned short percent_to_volt_charge[11] = | ||
45 | { | ||
46 | /* values measured over one full charging cycle */ | ||
47 | 3540, 3860, 3930, 3980, 4000, 4020, 4040, 4080, 4130, 4180, 4230 /* LiPo */ | ||
48 | }; | ||
49 | |||
50 | /* 3.33V as reference */ | ||
51 | #define BATTERY_SCALE_FACTOR 3330 | ||
52 | |||
53 | |||
54 | /* Returns battery voltage from ADC [millivolts] */ | ||
55 | unsigned int battery_adc_voltage(void) | ||
56 | { | ||
57 | return (adc_read(ADC_BATTERY) * BATTERY_SCALE_FACTOR) >> 11; | ||
58 | } | ||
59 | |||