2acc0ac542
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
68 lines
2.2 KiB
C
68 lines
2.2 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 "hwcompat.h"
|
|
|
|
/* FIXME: Properly calibrate values. Current values "inherited" from
|
|
* iriver H100 */
|
|
|
|
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
|
|
{
|
|
3380
|
|
};
|
|
|
|
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
|
|
{
|
|
3020
|
|
};
|
|
|
|
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
|
|
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
|
|
{
|
|
{ 3370, 3650, 3700, 3740, 3780, 3820, 3870, 3930, 4000, 4080, 4160 }
|
|
};
|
|
|
|
#if CONFIG_CHARGING
|
|
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
|
|
const unsigned short percent_to_volt_charge[11] =
|
|
{
|
|
3540, 3860, 3930, 3980, 4000, 4020, 4040, 4080, 4130, 4180, 4230
|
|
};
|
|
#endif /* CONFIG_CHARGING */
|
|
|
|
#define BATTERY_SCALE_FACTOR_1G 4200
|
|
#define BATTERY_SCALE_FACTOR_2G 6630
|
|
/* full-scale ADC readout (2^8) in millivolt */
|
|
|
|
/* Returns battery voltage from ADC [millivolts] */
|
|
unsigned int battery_adc_voltage(void)
|
|
{
|
|
unsigned adcval = adc_read(ADC_UNREG_POWER);
|
|
|
|
if ((IPOD_HW_REVISION >> 16) == 1)
|
|
return (adcval * BATTERY_SCALE_FACTOR_1G) >> 8;
|
|
else
|
|
return (adcval * BATTERY_SCALE_FACTOR_2G) >> 8;
|
|
}
|