rockbox/firmware/target/arm/iriver/h10/powermgmt-h10.c

71 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
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* 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] =
{
#ifdef IRIVER_H10
3733
#elif defined IRIVER_H10_5GB
3695
#endif
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
#ifdef IRIVER_H10
3627
#elif defined IRIVER_H10_5GB
3627
#endif
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
#ifdef IRIVER_H10
{ 3733, 3772, 3821, 3840, 3869, 3917, 3985, 4034, 4072, 4140, 4198 }
#elif defined IRIVER_H10_5GB
{ 3695, 3714, 3772, 3791, 3811, 3850, 3908, 3985, 4024, 4111, 4198 }
#endif
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short percent_to_volt_charge[11] =
{
#ifdef IRIVER_H10
3956, 3995, 4024, 4043, 4063, 4082, 4111, 4140, 4179, 4218, 4266
#elif defined IRIVER_H10_5GB
/* TODO: Not yet calibrated */
3850, 3888, 3927, 3966, 4024, 4063, 4111, 4150, 4198, 4237, 4286
#endif
};
#define BATTERY_SCALE_FACTOR 4650
/* 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;
}