diff options
Diffstat (limited to 'firmware/target/coldfire/mpio/hd300/powermgmt-hd300.c')
-rw-r--r-- | firmware/target/coldfire/mpio/hd300/powermgmt-hd300.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/firmware/target/coldfire/mpio/hd300/powermgmt-hd300.c b/firmware/target/coldfire/mpio/hd300/powermgmt-hd300.c new file mode 100644 index 0000000000..9d95938ff9 --- /dev/null +++ b/firmware/target/coldfire/mpio/hd300/powermgmt-hd300.c | |||
@@ -0,0 +1,58 @@ | |||
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 | 3600 | ||
29 | }; | ||
30 | |||
31 | const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = | ||
32 | { | ||
33 | 3500 | ||
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 | { 3500, 3566, 3597, 3619, 3644, 3676, 3732, 3806, 3868, 3937, 4004 } | ||
40 | }; | ||
41 | |||
42 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ | ||
43 | const unsigned short percent_to_volt_charge[11] = | ||
44 | { | ||
45 | /* values measured over one full charging cycle */ | ||
46 | 3386, 3872, 3904, 3942, 3996, 4029, 4033, 4036, 4038, 4039, 4041 | ||
47 | }; | ||
48 | |||
49 | /* 3.33V as reference */ | ||
50 | #define BATTERY_SCALE_FACTOR 3330 | ||
51 | |||
52 | |||
53 | /* Returns battery voltage from ADC [millivolts] */ | ||
54 | unsigned int battery_adc_voltage(void) | ||
55 | { | ||
56 | return (adc_read(ADC_BATTERY) * BATTERY_SCALE_FACTOR) >> 11; | ||
57 | } | ||
58 | |||