diff options
Diffstat (limited to 'firmware/target/arm/iriver/h10/powermgmt-h10.c')
-rw-r--r-- | firmware/target/arm/iriver/h10/powermgmt-h10.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/firmware/target/arm/iriver/h10/powermgmt-h10.c b/firmware/target/arm/iriver/h10/powermgmt-h10.c new file mode 100644 index 0000000000..18e3879c43 --- /dev/null +++ b/firmware/target/arm/iriver/h10/powermgmt-h10.c | |||
@@ -0,0 +1,71 @@ | |||
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 | const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = | ||
26 | { | ||
27 | #ifdef IRIVER_H10 | ||
28 | 3760 | ||
29 | #elif defined IRIVER_H10_5GB | ||
30 | 3720 | ||
31 | #endif | ||
32 | }; | ||
33 | |||
34 | const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = | ||
35 | { | ||
36 | #ifdef IRIVER_H10 | ||
37 | 3650 | ||
38 | #elif defined IRIVER_H10_5GB | ||
39 | 3650 | ||
40 | #endif | ||
41 | }; | ||
42 | |||
43 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ | ||
44 | const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = | ||
45 | { | ||
46 | #ifdef IRIVER_H10 | ||
47 | { 3760, 3800, 3850, 3870, 3900, 3950, 4020, 4070, 4110, 4180, 4240 } | ||
48 | #elif defined IRIVER_H10_5GB | ||
49 | { 3720, 3740, 3800, 3820, 3840, 3880, 3940, 4020, 4060, 4150, 4240 } | ||
50 | #endif | ||
51 | }; | ||
52 | |||
53 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ | ||
54 | const unsigned short percent_to_volt_charge[11] = | ||
55 | { | ||
56 | #ifdef IRIVER_H10 | ||
57 | 3990, 4030, 4060, 4080, 4100, 4120, 4150, 4180, 4220, 4260, 4310 | ||
58 | #elif defined IRIVER_H10_5GB | ||
59 | /* TODO: Not yet calibrated */ | ||
60 | 3880, 3920, 3960, 4000, 4060, 4100, 4150, 4190, 4240, 4280, 4330 | ||
61 | #endif | ||
62 | }; | ||
63 | |||
64 | #define BATTERY_SCALE_FACTOR 4800 | ||
65 | /* full-scale ADC readout (2^10) in millivolt */ | ||
66 | |||
67 | /* Returns battery voltage from ADC [millivolts] */ | ||
68 | unsigned int battery_adc_voltage(void) | ||
69 | { | ||
70 | return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10; | ||
71 | } | ||