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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Heikki Hannikainen
*
* 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.
*
****************************************************************************/
#ifndef _POWERMGMT_H_
#define _POWERMGMT_H_
#ifndef SIMULATOR
#define BATTERY_LEVEL_SHUTDOWN 450 /* 4.5V */
#define BATTERY_LEVEL_EMPTY 465 /* 4.65V */
#define BATTERY_LEVEL_DANGEROUS 475 /* 4.75V */
#define BATTERY_LEVEL_FULL 520 /* 5.2V */
#define BATTERY_RANGE (BATTERY_LEVEL_FULL - BATTERY_LEVEL_EMPTY)
#define POWER_HISTORY_LEN 2*60 /* 2 hours of samples, one per minute */
#define POWER_AVG 3 /* how many samples to take for each measurement */
#define CHARGE_END_NEGD 6 /* stop when N minutes have passed with
* avg delta being < -0.3 V */
#define CHARGE_END_ZEROD 30 /* stop when N minutes have passed with
* avg delta being < 0.005 V */
#ifdef HAVE_CHARGE_CTRL
#define POWER_MESSAGE_LEN 32 /* power thread status message */
#define CHARGE_MAX_TIME 6*60 /* minutes: maximum charging time */
#define CHARGE_MIN_TIME 10 /* minutes: minimum charging time */
#define CHARGE_RESTART_HI 90 /* %: when to restart charging in 'charge' mode */
#define CHARGE_RESTART_LO 10 /* %: when to restart charging in 'discharge' mode */
extern char power_message[POWER_MESSAGE_LEN];
extern char charge_restart_level;
#endif /* HAVE_CHARGE_CTRL */
extern unsigned short power_history[POWER_HISTORY_LEN];
/* Start up power management thread */
void power_init(void);
#endif /* SIMULATOR */
/* Returns battery level in percent */
int battery_level(void);
/* Tells if the battery level is safe for disk writes */
bool battery_level_safe(void);
#endif
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