834a3c2509
90% is already pretty empty. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1900 a1c6a512-1295-4272-9138-f99709370657
64 lines
2.5 KiB
C
64 lines
2.5 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) 2002 by Heikki Hannikainen
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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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_H_
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#define _POWERMGMT_H_
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#ifndef SIMULATOR
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#define BATTERY_LEVEL_SHUTDOWN 450 /* 4.5V */
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#define BATTERY_LEVEL_EMPTY 465 /* 4.65V */
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#define BATTERY_LEVEL_DANGEROUS 475 /* 4.75V */
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#define BATTERY_LEVEL_FULL 520 /* 5.2V */
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#define BATTERY_RANGE (BATTERY_LEVEL_FULL - BATTERY_LEVEL_EMPTY)
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#define POWER_HISTORY_LEN 2*60 /* 2 hours of samples, one per minute */
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#define POWER_AVG_N 4 /* how many samples to take for each measurement */
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#define POWER_AVG_SLEEP 10 /* how long do we sleep between each measurement */
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#define CHARGE_END_NEGD 6 /* stop when N minutes have passed with
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* avg delta being < -0.05 V */
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#define CHARGE_END_ZEROD 50 /* stop when N minutes have passed with
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* avg delta being < 0.005 V */
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#ifdef HAVE_CHARGE_CTRL
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#define POWER_MESSAGE_LEN 32 /* power thread status message */
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#define CHARGE_MAX_TIME 6*60 /* minutes: maximum charging time */
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#define CHARGE_MIN_TIME 10 /* minutes: minimum charging time */
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#define CHARGE_RESTART_HI 95 /* %: when to restart charging in 'charge' mode */
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#define CHARGE_RESTART_LO 10 /* %: when to restart charging in 'discharge' mode */
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extern char power_message[POWER_MESSAGE_LEN];
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extern char charge_restart_level;
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#endif /* HAVE_CHARGE_CTRL */
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extern unsigned short power_history[POWER_HISTORY_LEN];
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/* Start up power management thread */
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void power_init(void);
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#endif /* SIMULATOR */
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/* Returns battery level in percent */
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int battery_level(void);
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/* Tells if the battery level is safe for disk writes */
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bool battery_level_safe(void);
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#endif
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