91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
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* Revisions copyright (C) 2005 by Gerald Van Baren
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "adc.h"
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#include "powermgmt.h"
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const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
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{
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#ifdef IPOD_NANO
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3330
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#elif defined IPOD_VIDEO
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3450
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#else
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/* FIXME: calibrate value for other 3G+ ipods */
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3380
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#endif
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};
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const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
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{
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#ifdef IPOD_NANO
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3230
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#elif defined IPOD_VIDEO
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3450
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#else
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/* FIXME: calibrate value for other 3G+ ipods */
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3020
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#endif
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};
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/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
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const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
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{
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#ifdef IPOD_NANO
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/* measured values */
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{ 3230, 3620, 3700, 3730, 3750, 3780, 3830, 3890, 3950, 4030, 4160 },
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#elif defined IPOD_VIDEO
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/* iPOD Video 30GB Li-Ion 400mAh, first approach based upon measurements */
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{ 3450, 3670, 3710, 3750, 3790, 3830, 3870, 3930, 4010, 4100, 4180 },
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#else
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/* FIXME: calibrate value for other 3G+ ipods */
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/* Table is "inherited" from iriver H100. */
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{ 3370, 3650, 3700, 3740, 3780, 3820, 3870, 3930, 4000, 4080, 4160 }
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#endif
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};
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#if CONFIG_CHARGING
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/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
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const unsigned short percent_to_volt_charge[11] =
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{
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#ifdef IPOD_NANO
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/* measured values */
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3230, 3620, 3700, 3730, 3750, 3780, 3830, 3890, 3950, 4030, 4160
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#elif defined IPOD_VIDEO
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/* iPOD Video 30GB Li-Ion 400mAh, first approach based upon measurements */
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3450, 3670, 3710, 3750, 3790, 3830, 3870, 3930, 4010, 4100, 4180
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#else
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/* FIXME: calibrate value for other 3G+ ipods */
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/* Table is "inherited" from iriver H100. */
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3540, 3860, 3930, 3980, 4000, 4020, 4040, 4080, 4130, 4180, 4230
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#endif
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};
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#endif /* CONFIG_CHARGING */
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#define BATTERY_SCALE_FACTOR 6000
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/* full-scale ADC readout (2^10) in millivolt */
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/* Returns battery voltage from ADC [millivolts] */
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unsigned int battery_adc_voltage(void)
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{
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return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
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}
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