rockbox/firmware/target/arm/philips/hdd6330/powermgmt-hdd6330.c
Szymon Dziok b67f1b2872 HDD6330: Correct voltage values, based on the values found in the OF.
Change-Id: I76a101cd2c96be06fc95ca16871e5c86c2326c2d
2012-03-17 19:20:21 +01:00

58 lines
1.9 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"
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
{
3500
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
3400
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
{ 3400, 3550, 3630, 3690 ,3730, 3770, 3810, 3850, 3890, 3930, 3980 },
};
#if CONFIG_CHARGING
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short percent_to_volt_charge[11] =
{
3400, 3550, 3630, 3690 ,3730, 3770, 3810, 3850, 3890, 3930, 3980
};
#endif /* CONFIG_CHARGING */
#define BATTERY_SCALE_FACTOR 4536
/* full-scale ADC readout (2^10) in millivolt */
/* Returns battery voltage from ADC [millivolts] */
int _battery_voltage(void)
{
return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
}