forked from len0rd/rockbox
3157e13956
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19579 a1c6a512-1295-4272-9138-f99709370657
101 lines
3.8 KiB
C
101 lines
3.8 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, Uwe Freese
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* Revisions copyright (C) 2005 by Gerald Van Baren
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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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/*
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* Define CHARGING_DEBUG_FILE to create a csv (spreadsheet) with battery
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* information in it (one sample per minute/connect/disconnect).
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*
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* This is only for very low level debug.
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*/
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#undef CHARGING_DEBUG_FILE
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/* stop when N minutes have passed with avg delta being < -0.05 V */
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#define CHARGE_END_SHORTD 6
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/* stop when N minutes have passed with avg delta being < -0.02 V */
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#define CHARGE_END_LONGD 50
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/* Battery % to start at top-off */
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#define START_TOPOFF_CHG 85
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/* Battery % to start at trickle */
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#define START_TRICKLE_CHG 95
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/* power thread status message */
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#define POWER_MESSAGE_LEN 32
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/* minutes: maximum charging time for 1500 mAh batteries
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* actual max time depends also on BATTERY_CAPACITY! */
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#define CHARGE_MAX_MIN_1500 450
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/* minutes: minimum charging time */
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#define CHARGE_MIN_MIN 10
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/* After charging, go to top off charge. How long should top off charge be? */
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#define TOPOFF_MAX_MIN 90
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/* which voltage is best? (millivolts) */
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#define TOPOFF_VOLTAGE 5650
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/* After top off charge, go to trickle harge. How long should trickle
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* charge be? */
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#define TRICKLE_MAX_MIN 720 /* 12 hrs */
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/* which voltage is best? (millivolts) */
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#define TRICKLE_VOLTAGE 5450
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/* initial trickle_sec for topoff */
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#define START_TOPOFF_SEC 25
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/* initial trickle_sec for trickle */
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#define START_TRICKLE_SEC 15
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#define PID_DEADZONE 4 /* PID proportional deadzone */
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extern char power_message[POWER_MESSAGE_LEN];
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extern int long_delta; /* long term delta battery voltage */
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extern int short_delta; /* short term delta battery voltage */
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extern int powermgmt_last_cycle_startstop_min; /* how many minutes ago was
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the charging started or
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stopped? */
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extern int powermgmt_last_cycle_level; /* which level had the batteries
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at this time? */
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extern int pid_p; /* PID proportional term */
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extern int pid_i; /* PID integral term */
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extern int trickle_sec; /* how many seconds should the
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charger be enabled per
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minute for trickle
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charging? */
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void charger_enable(bool on);
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bool charger_enabled(void);
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/* Battery filter lengths in samples */
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#define BATT_AVE_SAMPLES 32
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/* No init to do */
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static inline void powermgmt_init_target(void) {}
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void charging_algorithm_step(void);
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#ifdef CHARGING_DEBUG_FILE
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/* Need to flush and close debug file */
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void charging_algorithm_close(void);
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#else
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/* No poweroff operation to do */
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static inline void charging_algorithm_close(void) {}
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#endif
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#endif /* POWERMGMT_TARGET_H */
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