rockbox/firmware/target/arm/tcc77x/powermgmt-tcc77x.c

65 lines
2 KiB
C
Raw Normal View History

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Karl Kurbjun
*
* 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"
#include "kernel.h"
#include "pcf50606.h"
unsigned short current_voltage = 3910;
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
{
/* FIXME: calibrate value */
3380
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
/* FIXME: calibrate value */
3300
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
/* FIXME: calibrate values. Table is "inherited" from iPod-PCF / H100 */
{ 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] =
{
/* FIXME: calibrate values. Table is "inherited" from iPod-PCF / H100 */
3370, 3650, 3700, 3740, 3780, 3820, 3870, 3930, 4000, 4080, 4160
};
#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 current_voltage;
}