909e4c6c06
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24709 a1c6a512-1295-4272-9138-f99709370657
131 lines
4.1 KiB
C
131 lines
4.1 KiB
C
/***************************************************************************
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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#include "pcf5060x.h"
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#include "pcf50605.h"
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const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
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{
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#if defined(IPOD_NANO)
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3330
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#elif defined(IPOD_VIDEO)
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3300
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#elif defined(IPOD_COLOR)
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3300
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#elif defined(IPOD_3G)
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3700
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#else
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/* FIXME: calibrate value for other iPods */
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3300
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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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#if defined(IPOD_NANO)
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3230
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#elif defined(IPOD_VIDEO)
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3300
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#elif defined(IPOD_COLOR)
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3300
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#elif defined(IPOD_3G)
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3500
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#else
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/* FIXME: calibrate value for other iPods */
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3000
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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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#if defined(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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#elif defined(IPOD_COLOR)
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/* iPod Photo 30GB, see FS#9072 */
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{ 3450, 3660, 3700, 3730, 3750, 3770, 3820, 3870, 3920, 4040, 4170 },
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#elif defined(IPOD_3G)
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/* iPod 3G 40GB, first approach based upon measurements */
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{ 3720, 3740, 3760, 3780, 3830, 3870, 3910, 3970, 4020, 4060, 4090 },
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#else
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/* FIXME: calibrate value for other iPods */
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/* Table is "provisional" from IPOD_COLOR */
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{ 3450, 3660, 3700, 3730, 3750, 3770, 3820, 3870, 3920, 4040, 4170 }
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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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#if defined(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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#elif defined(IPOD_COLOR)
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/* iPod Photo 30GB, see FS#9072 */
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3450, 3660, 3700, 3730, 3750, 3770, 3820, 3870, 3920, 4040, 4170
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#elif defined(IPOD_3G)
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/* iPod 3G 40GB, first approach based upon measurements */
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3720, 3740, 3760, 3780, 3830, 3870, 3910, 3970, 4020, 4060, 4090
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#else
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/* FIXME: calibrate value for other iPods */
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/* Table is "provisional" from IPOD_COLOR */
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3450, 3660, 3700, 3730, 3750, 3770, 3820, 3870, 3920, 4040, 4170
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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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#ifdef HAVE_ACCESSORY_SUPPLY
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void accessory_supply_set(bool enable)
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{
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if (enable)
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{
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/* Accessory voltage supply on */
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pcf50605_write(PCF5060X_D2REGC1, 0xf8); /* 3.3V ON */
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}
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else
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{
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/* Accessory voltage supply off */
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pcf50605_write(PCF5060X_D2REGC1, 0x18); /* OFF */
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}
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}
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#endif
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