c24a36dd9d
On this player EMIF is needed for accessing NOR flash. Disabling it improves battery runtime by about 25 minutes. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31373 a1c6a512-1295-4272-9138-f99709370657
65 lines
2 KiB
C
65 lines
2 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id: $
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*
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* Copyright (C) 2011 by Tomasz Moń
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "adc.h"
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#include "powermgmt.h"
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#include "kernel.h"
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/* Use fake linear scale as AVR does the voltage to percentage conversion */
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static unsigned int current_battery_level = 100;
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/* This specifies the battery level that writes are still safe */
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const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
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{
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5
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};
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/* Below this the player cannot be considered to operate reliably */
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const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
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{
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4
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};
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/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
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const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
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{
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{ 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 },
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};
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/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
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const unsigned short percent_to_volt_charge[11] =
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{
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0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100,
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};
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/* Returns battery voltage from ADC [millivolts] */
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unsigned int battery_adc_voltage(void)
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{
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return current_battery_level;
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}
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void set_battery_level(unsigned int level)
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{
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current_battery_level = level;
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}
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