Sansa Clip: enable battery charging.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20006 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken
parent
459b4f632b
commit
01d4b4c997
5 changed files with 51 additions and 20 deletions
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@ -106,7 +106,8 @@
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#include "debug-target.h"
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#endif
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#if defined(SANSA_E200) || defined(SANSA_C200) || defined(PHILIPS_SA9200)
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#if defined(SANSA_E200) || defined(SANSA_C200) || defined(PHILIPS_SA9200) \
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|| defined(SANSA_CLIP)
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#include "ascodec.h"
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#include "as3514.h"
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#endif
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@ -1758,7 +1759,7 @@ static bool view_battery(void)
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}
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lcd_puts(0, line++, buf);
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#elif defined(SANSA_E200) || defined(SANSA_C200)
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#elif defined(SANSA_E200) || defined(SANSA_C200) || defined(SANSA_CLIP)
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const int first = CHARGE_STATE_DISABLED;
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static const char * const chrgstate_strings[] =
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{
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@ -1094,6 +1094,7 @@ target/arm/as3525/sansa-clip/lcd-as-clip.S
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target/arm/as3525/sansa-clip/button-clip.c
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target/arm/as3525/sansa-clip/backlight-clip.c
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#ifndef BOOTLOADER
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target/arm/powermgmt-ascodec.c
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target/arm/as3525/sansa-clip/powermgmt-clip.c
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#endif /* !BOOTLOADER */
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#endif /* !SIMULATOR */
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@ -134,14 +134,14 @@
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/* define this if the flash memory uses the SecureDigital Memory Card protocol */
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#define CONFIG_STORAGE STORAGE_SD
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#define BATTERY_CAPACITY_DEFAULT 750 /* default battery capacity */
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#define BATTERY_CAPACITY_MIN 750 /* min. capacity selectable */
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#define BATTERY_CAPACITY_MAX 750 /* max. capacity selectable */
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#define BATTERY_CAPACITY_DEFAULT 380 /* default battery capacity */
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#define BATTERY_CAPACITY_MIN 380 /* min. capacity selectable */
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#define BATTERY_CAPACITY_MAX 380 /* max. capacity selectable */
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#define BATTERY_CAPACITY_INC 0 /* capacity increment */
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#define BATTERY_TYPES_COUNT 1 /* only one type */
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/* Hardware controlled charging? FIXME */
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#define CONFIG_CHARGING CHARGING_SIMPLE
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/* Charging implemented in a target-specific algorithm */
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#define CONFIG_CHARGING CHARGING_TARGET
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/* define this if the unit can be powered or charged via USB */
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#define HAVE_USB_POWER
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@ -20,9 +20,6 @@
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****************************************************************************/
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#include "config.h"
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#include "adc.h"
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#include "adc-target.h"
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#include "powermgmt.h"
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/* The battery manufacturer's website shows discharge curves down to 3.0V,
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so 'dangerous' and 'shutoff' levels of 3.4V and 3.3V should be safe.
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@ -52,13 +49,3 @@ const unsigned short percent_to_volt_charge[11] =
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};
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#endif /* CONFIG_CHARGING */
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/* ADC should read 0x3ff=5.12V */
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#define BATTERY_SCALE_FACTOR 5125
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/* full-scale ADC readout (2^10) in millivolt */
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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 (adc_read(ADC_RTCSUP) * BATTERY_SCALE_FACTOR) >> 10;
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}
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42
firmware/target/arm/as3525/sansa-clip/powermgmt-target.h
Normal file
42
firmware/target/arm/as3525/sansa-clip/powermgmt-target.h
Normal file
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@ -0,0 +1,42 @@
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/***************************************************************************
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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) 2009 by Michael Sevakis
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* Copyright (C) 2008 by Bertrik Sikken
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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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#ifndef POWERMGMT_TARGET_H
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#define POWERMGMT_TARGET_H
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/* Check if topped-off and monitor voltage while plugged. */
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#define BATT_FULL_VOLTAGE 4160
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#define BATT_VAUTO_RECHARGE 4100
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#define BATT_CHG_V CHG_V_4_20V
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#define BATT_CHG_I CHG_I_100MA
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#define CHARGER_TOTAL_TIMER (6*3600*2) /* about 1.5 * capacity / current */
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#define ADC_BATTERY ADC_BVDD
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void powermgmt_init_target(void);
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void charging_algorithm_step(void);
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void charging_algorithm_close(void);
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/* We want to be able to reset the averaging filter */
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#define HAVE_RESET_BATTERY_FILTER
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#define BATT_AVE_SAMPLES 32
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#endif /* POWERMGMT_TARGET_H */
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