diff options
Diffstat (limited to 'firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c')
-rw-r--r-- | firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c b/firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c new file mode 100644 index 0000000000..508995c436 --- /dev/null +++ b/firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c | |||
@@ -0,0 +1,65 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright © 2008 Rafaël Carré | ||
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 "adc-target.h" | ||
25 | #include "powermgmt.h" | ||
26 | |||
27 | const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = | ||
28 | { | ||
29 | /* TODO: this is just an initial guess */ | ||
30 | 3400 | ||
31 | }; | ||
32 | |||
33 | const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = | ||
34 | { | ||
35 | /* TODO: this is just an initial guess */ | ||
36 | 3300 | ||
37 | }; | ||
38 | |||
39 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ | ||
40 | const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = | ||
41 | { | ||
42 | /* TODO: simple uncalibrated curve, linear except for first 10% */ | ||
43 | { 3300, 3390, 3480, 3570, 3660, 3750, 3840, 3930, 4020, 4110, 4200 } | ||
44 | }; | ||
45 | |||
46 | #if CONFIG_CHARGING | ||
47 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ | ||
48 | const unsigned short percent_to_volt_charge[11] = | ||
49 | { | ||
50 | /* TODO: simple uncalibrated curve, linear except for first 10% */ | ||
51 | 3300, 3390, 3480, 3570, 3660, 3750, 3840, 3930, 4020, 4110, 4200 | ||
52 | }; | ||
53 | #endif /* CONFIG_CHARGING */ | ||
54 | |||
55 | /* ADC should read 0x3ff=5.12V */ | ||
56 | #define BATTERY_SCALE_FACTOR 5125 | ||
57 | /* full-scale ADC readout (2^10) in millivolt */ | ||
58 | |||
59 | |||
60 | /* Returns battery voltage from ADC [millivolts] */ | ||
61 | unsigned int battery_adc_voltage(void) | ||
62 | { | ||
63 | return 4000; | ||
64 | } | ||
65 | |||