rockbox/firmware/target/arm/ipod/powermgmt-ipod-pcf.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

111 lines
3.3 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
* Revisions copyright (C) 2005 by Gerald Van Baren
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "adc.h"
#include "powermgmt.h"
#include "pcf5060x.h"
#include "pcf50605.h"
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
{
#ifdef IPOD_NANO
3330
#elif defined IPOD_VIDEO
3300
#else
/* FIXME: calibrate value for other 3G+ ipods */
3380
#endif
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
#ifdef IPOD_NANO
3230
#elif defined IPOD_VIDEO
3300
#else
/* FIXME: calibrate value for other 3G+ ipods */
3020
#endif
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
#ifdef IPOD_NANO
/* measured values */
{ 3230, 3620, 3700, 3730, 3750, 3780, 3830, 3890, 3950, 4030, 4160 },
#elif defined IPOD_VIDEO
/* iPOD Video 30GB Li-Ion 400mAh, first approach based upon measurements */
{ 3450, 3670, 3710, 3750, 3790, 3830, 3870, 3930, 4010, 4100, 4180 },
#else
/* FIXME: calibrate value for other 3G+ ipods */
/* Table is "inherited" from iriver H100. */
{ 3370, 3650, 3700, 3740, 3780, 3820, 3870, 3930, 4000, 4080, 4160 }
#endif
};
#if CONFIG_CHARGING
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short percent_to_volt_charge[11] =
{
#ifdef IPOD_NANO
/* measured values */
3230, 3620, 3700, 3730, 3750, 3780, 3830, 3890, 3950, 4030, 4160
#elif defined IPOD_VIDEO
/* iPOD Video 30GB Li-Ion 400mAh, first approach based upon measurements */
3450, 3670, 3710, 3750, 3790, 3830, 3870, 3930, 4010, 4100, 4180
#else
/* FIXME: calibrate value for other 3G+ ipods */
/* Table is "inherited" from iriver H100. */
3540, 3860, 3930, 3980, 4000, 4020, 4040, 4080, 4130, 4180, 4230
#endif
};
#endif /* CONFIG_CHARGING */
#define BATTERY_SCALE_FACTOR 6000
/* full-scale ADC readout (2^10) in millivolt */
/* Returns battery voltage from ADC [millivolts] */
unsigned int battery_adc_voltage(void)
{
return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
}
#ifdef HAVE_ACCESSORY_SUPPLY
void accessory_supply_set(bool enable)
{
if (enable)
{
/* Accessory voltage supply */
pcf50605_write(PCF5060X_D2REGC1, 0xf8); /* 3.3V ON */
}
else
{
/* Accessory voltage supply */
pcf50605_write(PCF5060X_D2REGC1, 0x18); /* OFF */
}
}
#endif