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author | Bertrik Sikken <bertrik@sikken.nl> | 2009-02-14 16:19:21 +0000 |
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committer | Bertrik Sikken <bertrik@sikken.nl> | 2009-02-14 16:19:21 +0000 |
commit | 01d4b4c99714f5e22d25e0a86dfd0e75824b1f3e (patch) | |
tree | 115aa10a69bacac37e62d28ec04b25189c69af98 /firmware | |
parent | 459b4f632bb880aabcc10a0940c48b8fb471eb29 (diff) | |
download | rockbox-01d4b4c99714f5e22d25e0a86dfd0e75824b1f3e.tar.gz rockbox-01d4b4c99714f5e22d25e0a86dfd0e75824b1f3e.zip |
Sansa Clip: enable battery charging.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20006 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware')
-rw-r--r-- | firmware/SOURCES | 1 | ||||
-rw-r--r-- | firmware/export/config-clip.h | 10 | ||||
-rw-r--r-- | firmware/target/arm/as3525/sansa-clip/powermgmt-clip.c | 13 | ||||
-rw-r--r-- | firmware/target/arm/as3525/sansa-clip/powermgmt-target.h | 42 |
4 files changed, 48 insertions, 18 deletions
diff --git a/firmware/SOURCES b/firmware/SOURCES index ae9bbc0733..69ffe29a8f 100644 --- a/firmware/SOURCES +++ b/firmware/SOURCES | |||
@@ -1094,6 +1094,7 @@ target/arm/as3525/sansa-clip/lcd-as-clip.S | |||
1094 | target/arm/as3525/sansa-clip/button-clip.c | 1094 | target/arm/as3525/sansa-clip/button-clip.c |
1095 | target/arm/as3525/sansa-clip/backlight-clip.c | 1095 | target/arm/as3525/sansa-clip/backlight-clip.c |
1096 | #ifndef BOOTLOADER | 1096 | #ifndef BOOTLOADER |
1097 | target/arm/powermgmt-ascodec.c | ||
1097 | target/arm/as3525/sansa-clip/powermgmt-clip.c | 1098 | target/arm/as3525/sansa-clip/powermgmt-clip.c |
1098 | #endif /* !BOOTLOADER */ | 1099 | #endif /* !BOOTLOADER */ |
1099 | #endif /* !SIMULATOR */ | 1100 | #endif /* !SIMULATOR */ |
diff --git a/firmware/export/config-clip.h b/firmware/export/config-clip.h index 95ed715276..1068440e63 100644 --- a/firmware/export/config-clip.h +++ b/firmware/export/config-clip.h | |||
@@ -134,14 +134,14 @@ | |||
134 | /* define this if the flash memory uses the SecureDigital Memory Card protocol */ | 134 | /* define this if the flash memory uses the SecureDigital Memory Card protocol */ |
135 | #define CONFIG_STORAGE STORAGE_SD | 135 | #define CONFIG_STORAGE STORAGE_SD |
136 | 136 | ||
137 | #define BATTERY_CAPACITY_DEFAULT 750 /* default battery capacity */ | 137 | #define BATTERY_CAPACITY_DEFAULT 380 /* default battery capacity */ |
138 | #define BATTERY_CAPACITY_MIN 750 /* min. capacity selectable */ | 138 | #define BATTERY_CAPACITY_MIN 380 /* min. capacity selectable */ |
139 | #define BATTERY_CAPACITY_MAX 750 /* max. capacity selectable */ | 139 | #define BATTERY_CAPACITY_MAX 380 /* max. capacity selectable */ |
140 | #define BATTERY_CAPACITY_INC 0 /* capacity increment */ | 140 | #define BATTERY_CAPACITY_INC 0 /* capacity increment */ |
141 | #define BATTERY_TYPES_COUNT 1 /* only one type */ | 141 | #define BATTERY_TYPES_COUNT 1 /* only one type */ |
142 | 142 | ||
143 | /* Hardware controlled charging? FIXME */ | 143 | /* Charging implemented in a target-specific algorithm */ |
144 | #define CONFIG_CHARGING CHARGING_SIMPLE | 144 | #define CONFIG_CHARGING CHARGING_TARGET |
145 | 145 | ||
146 | /* define this if the unit can be powered or charged via USB */ | 146 | /* define this if the unit can be powered or charged via USB */ |
147 | #define HAVE_USB_POWER | 147 | #define HAVE_USB_POWER |
diff --git a/firmware/target/arm/as3525/sansa-clip/powermgmt-clip.c b/firmware/target/arm/as3525/sansa-clip/powermgmt-clip.c index f04760d9de..d908981523 100644 --- a/firmware/target/arm/as3525/sansa-clip/powermgmt-clip.c +++ b/firmware/target/arm/as3525/sansa-clip/powermgmt-clip.c | |||
@@ -20,9 +20,6 @@ | |||
20 | ****************************************************************************/ | 20 | ****************************************************************************/ |
21 | 21 | ||
22 | #include "config.h" | 22 | #include "config.h" |
23 | #include "adc.h" | ||
24 | #include "adc-target.h" | ||
25 | #include "powermgmt.h" | ||
26 | 23 | ||
27 | /* The battery manufacturer's website shows discharge curves down to 3.0V, | 24 | /* The battery manufacturer's website shows discharge curves down to 3.0V, |
28 | so 'dangerous' and 'shutoff' levels of 3.4V and 3.3V should be safe. | 25 | so 'dangerous' and 'shutoff' levels of 3.4V and 3.3V should be safe. |
@@ -52,13 +49,3 @@ const unsigned short percent_to_volt_charge[11] = | |||
52 | }; | 49 | }; |
53 | #endif /* CONFIG_CHARGING */ | 50 | #endif /* CONFIG_CHARGING */ |
54 | 51 | ||
55 | /* ADC should read 0x3ff=5.12V */ | ||
56 | #define BATTERY_SCALE_FACTOR 5125 | ||
57 | /* full-scale ADC readout (2^10) in millivolt */ | ||
58 | |||
59 | /* Returns battery voltage from ADC [millivolts] */ | ||
60 | unsigned int battery_adc_voltage(void) | ||
61 | { | ||
62 | return (adc_read(ADC_RTCSUP) * BATTERY_SCALE_FACTOR) >> 10; | ||
63 | } | ||
64 | |||
diff --git a/firmware/target/arm/as3525/sansa-clip/powermgmt-target.h b/firmware/target/arm/as3525/sansa-clip/powermgmt-target.h new file mode 100644 index 0000000000..691d134ffa --- /dev/null +++ b/firmware/target/arm/as3525/sansa-clip/powermgmt-target.h | |||
@@ -0,0 +1,42 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2009 by Michael Sevakis | ||
11 | * Copyright (C) 2008 by Bertrik Sikken | ||
12 | * | ||
13 | * This program is free software; you can redistribute it and/or | ||
14 | * modify it under the terms of the GNU General Public License | ||
15 | * as published by the Free Software Foundation; either version 2 | ||
16 | * of the License, or (at your option) any later version. | ||
17 | * | ||
18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
19 | * KIND, either express or implied. | ||
20 | * | ||
21 | ****************************************************************************/ | ||
22 | #ifndef POWERMGMT_TARGET_H | ||
23 | #define POWERMGMT_TARGET_H | ||
24 | |||
25 | /* Check if topped-off and monitor voltage while plugged. */ | ||
26 | #define BATT_FULL_VOLTAGE 4160 | ||
27 | #define BATT_VAUTO_RECHARGE 4100 | ||
28 | #define BATT_CHG_V CHG_V_4_20V | ||
29 | #define BATT_CHG_I CHG_I_100MA | ||
30 | #define CHARGER_TOTAL_TIMER (6*3600*2) /* about 1.5 * capacity / current */ | ||
31 | #define ADC_BATTERY ADC_BVDD | ||
32 | |||
33 | void powermgmt_init_target(void); | ||
34 | void charging_algorithm_step(void); | ||
35 | void charging_algorithm_close(void); | ||
36 | |||
37 | /* We want to be able to reset the averaging filter */ | ||
38 | #define HAVE_RESET_BATTERY_FILTER | ||
39 | |||
40 | #define BATT_AVE_SAMPLES 32 | ||
41 | |||
42 | #endif /* POWERMGMT_TARGET_H */ | ||