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/***************************************************************************
* __________ __ ___.
* 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] =
{
#if defined(IPOD_NANO)
3330
#elif defined(IPOD_VIDEO)
3300
#elif defined(IPOD_COLOR)
3300
#elif defined(IPOD_3G)
3700
#else
/* FIXME: calibrate value for other iPods */
3300
#endif
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
#if defined(IPOD_NANO)
3230
#elif defined(IPOD_VIDEO)
3300
#elif defined(IPOD_COLOR)
3300
#elif defined(IPOD_3G)
3500
#else
/* FIXME: calibrate value for other iPods */
3000
#endif
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
#if defined(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 },
#elif defined(IPOD_COLOR)
/* iPod Photo 30GB, see FS#9072 */
{ 3450, 3660, 3700, 3730, 3750, 3770, 3820, 3870, 3920, 4040, 4170 },
#elif defined(IPOD_3G)
/* iPod 3G 40GB, first approach based upon measurements */
{ 3720, 3740, 3760, 3780, 3830, 3870, 3910, 3970, 4020, 4060, 4090 },
#else
/* FIXME: calibrate value for other iPods */
/* Table is "provisional" from IPOD_COLOR */
{ 3450, 3660, 3700, 3730, 3750, 3770, 3820, 3870, 3920, 4040, 4170 }
#endif
};
#if CONFIG_CHARGING
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short percent_to_volt_charge[11] =
{
#if defined(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
#elif defined(IPOD_COLOR)
/* iPod Photo 30GB, see FS#9072 */
3450, 3660, 3700, 3730, 3750, 3770, 3820, 3870, 3920, 4040, 4170
#elif defined(IPOD_3G)
/* iPod 3G 40GB, first approach based upon measurements */
3720, 3740, 3760, 3780, 3830, 3870, 3910, 3970, 4020, 4060, 4090
#else
/* FIXME: calibrate value for other iPods */
/* Table is "provisional" from IPOD_COLOR */
3450, 3660, 3700, 3730, 3750, 3770, 3820, 3870, 3920, 4040, 4170
#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 on */
pcf50605_write(PCF5060X_D2REGC1, 0xf8); /* 3.3V ON */
}
else
{
/* Accessory voltage supply off */
pcf50605_write(PCF5060X_D2REGC1, 0x18); /* OFF */
}
}
#endif
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