diff options
Diffstat (limited to 'firmware/target/hosted/ibasso/powermgmt-ibasso.c')
-rw-r--r-- | firmware/target/hosted/ibasso/powermgmt-ibasso.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/firmware/target/hosted/ibasso/powermgmt-ibasso.c b/firmware/target/hosted/ibasso/powermgmt-ibasso.c new file mode 100644 index 0000000000..7df0064097 --- /dev/null +++ b/firmware/target/hosted/ibasso/powermgmt-ibasso.c | |||
@@ -0,0 +1,122 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___ | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * | ||
9 | * Copyright (C) 2014 by Ilia Sergachev: Initial Rockbox port to iBasso DX50 | ||
10 | * Copyright (C) 2014 by Mario Basister: iBasso DX90 port | ||
11 | * Copyright (C) 2014 by Simon Rothen: Initial Rockbox repository submission, additional features | ||
12 | * Copyright (C) 2014 by Udo Schläpfer: Code clean up, additional features | ||
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 | |||
25 | #include <stdio.h> | ||
26 | |||
27 | #include "config.h" | ||
28 | #include "debug.h" | ||
29 | #include "panic.h" | ||
30 | |||
31 | #include "debug-ibasso.h" | ||
32 | #include "sysfs-ibasso.h" | ||
33 | |||
34 | |||
35 | /* Based on batterymonitor with PISEN and Samsung SIII battery. */ | ||
36 | |||
37 | |||
38 | const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = | ||
39 | { | ||
40 | 3600 | ||
41 | }; | ||
42 | |||
43 | |||
44 | const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = | ||
45 | { | ||
46 | 3500 | ||
47 | }; | ||
48 | |||
49 | |||
50 | /* | ||
51 | Averages at percent of running time from five measuremnts with PISEN and Samsung SIII battery | ||
52 | during normal usage. | ||
53 | |||
54 | Mongo default values (?) | ||
55 | < 3660 (0%), < 3730 (1% - 10%), < 3780 (11% - 20%), < 3830 (21% - 40%), < 3950 (41% - 60%), | ||
56 | < 4080 (61% - 80%), > 4081 (81% - 100%) | ||
57 | */ | ||
58 | const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = | ||
59 | { | ||
60 | { 3522, 3660, 3720, 3752, 3784, 3827, 3896, 3978, 4072, 4168, 4255 } | ||
61 | }; | ||
62 | |||
63 | |||
64 | /* Copied from percent_to_volt_discharge. */ | ||
65 | const unsigned short percent_to_volt_charge[11] = | ||
66 | { | ||
67 | 3500, 3544, 3578, 3623, 3660, 3773, 3782, 3853, 3980, 4130, 4360 | ||
68 | }; | ||
69 | |||
70 | |||
71 | static int _battery_present = -1; | ||
72 | |||
73 | |||
74 | int _battery_voltage(void) | ||
75 | { | ||
76 | /*TRACE;*/ | ||
77 | |||
78 | if( (_battery_present == -1) | ||
79 | && (! sysfs_get_int(SYSFS_BATTERY_PRESENT, &_battery_present))) | ||
80 | { | ||
81 | /* This check is only done once at startup. */ | ||
82 | |||
83 | DEBUGF("ERROR %s: Can not get current battery availabilty.", __func__); | ||
84 | _battery_present = 1; | ||
85 | } | ||
86 | |||
87 | int val; | ||
88 | |||
89 | if(_battery_present == 1) | ||
90 | { | ||
91 | /* Battery is present. */ | ||
92 | |||
93 | /* | ||
94 | /sys/class/power_supply/battery/voltage_now | ||
95 | Voltage in microvolt. | ||
96 | */ | ||
97 | if(! sysfs_get_int(SYSFS_BATTERY_VOLTAGE_NOW, &val)) | ||
98 | { | ||
99 | DEBUGF("ERROR %s: Can not get current battery voltage.", __func__); | ||
100 | return 0; | ||
101 | } | ||
102 | } | ||
103 | else | ||
104 | { | ||
105 | /* | ||
106 | No battery, so we have to be running solely from USB power. | ||
107 | This will prevent Rockbox from forcing shutdown due to low power. | ||
108 | */ | ||
109 | |||
110 | /* | ||
111 | /sys/class/power_supply/usb/voltage_now | ||
112 | Voltage in microvolt. | ||
113 | */ | ||
114 | if(! sysfs_get_int(SYSFS_USB_POWER_VOLTAGE_NOW, &val)) | ||
115 | { | ||
116 | DEBUGF("ERROR %s: Can not get current USB voltage.", __func__); | ||
117 | return 0; | ||
118 | } | ||
119 | } | ||
120 | |||
121 | return(val / 1000); | ||
122 | } | ||