/*************************************************************************** * __________ __ ___. * 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_N 4 /* how many samples to take for each measurement */ #define POWER_AVG_SLEEP 10 /* how long do we sleep between each measurement */ #define CHARGE_END_NEGD 6 /* stop when N minutes have passed with * avg delta being < -0.05 V */ #define CHARGE_END_ZEROD 50 /* 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 95 /* %: 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