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author | Linus Nielsen Feltzing <linus@haxx.se> | 2002-07-04 16:09:23 +0000 |
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committer | Linus Nielsen Feltzing <linus@haxx.se> | 2002-07-04 16:09:23 +0000 |
commit | 7cafe7aa2f2aa671a39bd82dfd227e2aa22ef30f (patch) | |
tree | 3545a3fc894bfed825d1dba1ffbe269de821d4a3 | |
parent | bd84ff4d785a597fe4110cb1565d80b948b1f210 (diff) | |
download | rockbox-7cafe7aa2f2aa671a39bd82dfd227e2aa22ef30f.tar.gz rockbox-7cafe7aa2f2aa671a39bd82dfd227e2aa22ef30f.zip |
First version
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1333 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r-- | firmware/drivers/power.c | 93 | ||||
-rw-r--r-- | firmware/drivers/power.h | 35 |
2 files changed, 128 insertions, 0 deletions
diff --git a/firmware/drivers/power.c b/firmware/drivers/power.c new file mode 100644 index 0000000000..9ddbbdbbb2 --- /dev/null +++ b/firmware/drivers/power.c | |||
@@ -0,0 +1,93 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 by Linus Nielsen Feltzing | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | #include "sh7034.h" | ||
20 | #include <stdbool.h> | ||
21 | #include "config.h" | ||
22 | #include "adc.h" | ||
23 | #include "power.h" | ||
24 | |||
25 | #ifndef SIMULATOR | ||
26 | |||
27 | bool charger_inserted(void) | ||
28 | { | ||
29 | #ifdef ARCHOS_RECORDER | ||
30 | return adc_read(ADC_BATTERY) > 0x200; | ||
31 | #else | ||
32 | return (PADR & 1) == 0; | ||
33 | #endif | ||
34 | } | ||
35 | |||
36 | /* Returns battery level in percent */ | ||
37 | int battery_level(void) | ||
38 | { | ||
39 | int level; | ||
40 | |||
41 | level = adc_read(ADC_UNREG_POWER) - BATTERY_LEVEL_SHUTDOWN; | ||
42 | if(level < 0) | ||
43 | level = 0; | ||
44 | |||
45 | if(level > BATTERY_LEVEL_FULL) | ||
46 | level = BATTERY_LEVEL_FULL; | ||
47 | |||
48 | return (level * 100) / BATTERY_RANGE; | ||
49 | } | ||
50 | |||
51 | void charger_enable(bool on) | ||
52 | { | ||
53 | #ifdef ARCHOS_RECORDER | ||
54 | if(on) | ||
55 | PBDR &= ~0x20; | ||
56 | else | ||
57 | PBDR |= 0x20; | ||
58 | #else | ||
59 | on = on; | ||
60 | #endif | ||
61 | } | ||
62 | |||
63 | void ide_power_enable(bool on) | ||
64 | { | ||
65 | #ifdef ARCHOS_RECORDER | ||
66 | if(on) | ||
67 | PADR |= 0x20; | ||
68 | else | ||
69 | PADR &= ~0x20; | ||
70 | #else | ||
71 | on = on; | ||
72 | #endif | ||
73 | } | ||
74 | |||
75 | #else | ||
76 | |||
77 | bool charger_inserted(void) | ||
78 | { | ||
79 | return false; | ||
80 | } | ||
81 | |||
82 | /* Returns battery level in percent */ | ||
83 | int battery_level(void) | ||
84 | { | ||
85 | return 100; | ||
86 | } | ||
87 | |||
88 | void charger_enable(bool on) | ||
89 | { | ||
90 | on = on; | ||
91 | } | ||
92 | |||
93 | #endif /* SIMULATOR */ | ||
diff --git a/firmware/drivers/power.h b/firmware/drivers/power.h new file mode 100644 index 0000000000..819c1983d9 --- /dev/null +++ b/firmware/drivers/power.h | |||
@@ -0,0 +1,35 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 by Linus Nielsen Feltzing | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | #ifndef _POWER_H_ | ||
20 | #define _POWER_H_ | ||
21 | |||
22 | #define BATTERY_LEVEL_SHUTDOWN (4500000 / BATTERY_SCALE_FACTOR) /* 4.5V */ | ||
23 | #define BATTERY_LEVEL_DANGEROUS (4750000 / BATTERY_SCALE_FACTOR) /* 4.75V */ | ||
24 | #define BATTERY_LEVEL_FULL (5550000 / BATTERY_SCALE_FACTOR) /* 5.55V */ | ||
25 | |||
26 | #define BATTERY_RANGE (BATTERY_LEVEL_FULL - BATTERY_LEVEL_SHUTDOWN) | ||
27 | |||
28 | bool charger_inserted(void); | ||
29 | void charger_enable(bool on); | ||
30 | void ide_power_enable(bool on); | ||
31 | |||
32 | /* Returns battery level in percent */ | ||
33 | int battery_level(void); | ||
34 | |||
35 | #endif | ||