| /*************************************************************************** |
| * __________ __ ___. |
| * 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 |