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rockbox/firmware/export/powermgmt.h
Michael Giacomelli 7127199230 Lets use the measurements Toni took months ago for the Sansa battery, instead of the using the Archos ones. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15389 a1c6a512-1295-4272-9138-f99709370657
2007-11-01 03:18:01 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
*
* 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_
#include <stdbool.h>
#define POWER_HISTORY_LEN 2*60 /* 2 hours of samples, one per minute */
#define CHARGE_END_SHORTD 6 /* stop when N minutes have passed with
* avg delta being < -0.05 V */
#define CHARGE_END_LONGD 50 /* stop when N minutes have passed with
* avg delta being < -0.02 V */
#if CONFIG_CHARGING >= CHARGING_MONITOR
typedef enum { /* sorted by increasing charging current */
DISCHARGING = 0,
TRICKLE, /* Can occur for CONFIG_CHARGING >= CHARGING_MONITOR */
TOPOFF, /* Can occur for CONFIG_CHARGING == CHARGING_CONTROL */
CHARGING /* Can occur for all CONFIG_CHARGING options */
} charge_state_type;
/* tells what the charger is doing */
extern charge_state_type charge_state;
#endif /* CONFIG_CHARGING >= CHARGING_MONITOR */
#ifdef CONFIG_CHARGING
/*
* Flag that the charger has been plugged in/removed: this is set for exactly
* one time through the power loop when the charger has been plugged in.
*/
typedef enum {
NO_CHARGER,
CHARGER_UNPLUGGED, /* transient state */
CHARGER_PLUGGED, /* transient state */
CHARGER
} charger_input_state_type;
/* tells the state of the charge input */
extern charger_input_state_type charger_input_state;
#endif
#ifndef SIMULATOR
#if CONFIG_CHARGING == CHARGING_CONTROL
#define START_TOPOFF_CHG 85 /* Battery % to start at top-off */
#define START_TRICKLE_CHG 95 /* Battery % to start at trickle */
#define POWER_MESSAGE_LEN 32 /* power thread status message */
#define CHARGE_MAX_TIME_1500 450 /* minutes: maximum charging time for 1500 mAh batteries */
/* actual max time depends also on BATTERY_CAPACITY! */
#define CHARGE_MIN_TIME 10 /* minutes: minimum charging time */
#define TOPOFF_MAX_TIME 90 /* After charging, go to top off charge. How long should top off charge be? */
#define TOPOFF_VOLTAGE 5650 /* which voltage is best? (millivolts) */
#define TRICKLE_MAX_TIME 12*60 /* After top off charge, go to trickle charge. How long should trickle charge be? */
#define TRICKLE_VOLTAGE 5450 /* which voltage is best? (millivolts) */
#define START_TOPOFF_SEC 25 /* initial trickle_sec for topoff */
#define START_TRICKLE_SEC 15 /* initial trickle_sec for trickle */
#define PID_DEADZONE 4 /* PID proportional deadzone */
extern char power_message[POWER_MESSAGE_LEN];
extern int long_delta; /* long term delta battery voltage */
extern int short_delta; /* short term delta battery voltage */
extern int powermgmt_last_cycle_startstop_min; /* how many minutes ago was the charging started or stopped? */
extern int powermgmt_last_cycle_level; /* which level had the batteries at this time? */
extern int pid_p; /* PID proportional term */
extern int pid_i; /* PID integral term */
extern int trickle_sec; /* trickle charge: How many seconds per minute are we charging actually? */
#endif /* CONFIG_CHARGING == CHARGING_CONTROL */
#ifdef HAVE_MMC /* Values for Ondio */
# define CURRENT_NORMAL 95 /* average, nearly proportional to 1/U */
# define CURRENT_USB 1 /* host powered in USB mode; avoid zero-div */
# define CURRENT_BACKLIGHT 0 /* no backlight */
#else /* Values for HD based jukeboxes */
#ifdef IRIVER_H100_SERIES
# define CURRENT_NORMAL 80 /* 16h playback on 1300mAh battery */
# define CURRENT_BACKLIGHT 23 /* from IriverBattery twiki page */
# define CURRENT_SPDIF_OUT 10 /* optical SPDIF output on */
# define CURRENT_RECORD 105 /* additional current while recording */
#elif defined(IRIVER_H300_SERIES)
# define CURRENT_NORMAL 80 /* 16h playback on 1300mAh battery from IriverRuntime wiki page */
# define CURRENT_BACKLIGHT 23 /* FIXME: This needs to be measured, copied from H100 */
# define CURRENT_RECORD 110 /* additional current while recording */
#elif defined(IPOD_ARCH) && (MODEL_NUMBER==4) /* iPOD Nano */
# define CURRENT_NORMAL 35 /* 8.5-9.0h playback out of 300mAh battery from IpodRuntime */
# define CURRENT_BACKLIGHT 20 /* FIXME: estimation took over from iPOD Video */
#if defined(HAVE_RECORDING)
# define CURRENT_RECORD 35 /* FIXME: this needs adjusting */
#endif
#elif defined(IPOD_ARCH) && (MODEL_NUMBER==5) /* iPOD Video */
# define CURRENT_NORMAL 50 /* 8h out of 400mAh battery (30GB) or 11h out of 600mAh (60GB) from IpodRuntime */
# define CURRENT_BACKLIGHT 20 /* estimation calculated from IpodRuntime measurement */
#if defined(HAVE_RECORDING)
# define CURRENT_RECORD 35 /* FIXME: this needs adjusting */
#endif
#elif defined(SANSA_E200) /* Sandisk players */
# define CURRENT_NORMAL 50 /* Toni's measurements in spring 2007 suggests 50 ma during normal operation */
# define CURRENT_BACKLIGHT 20 /* seems like a reasonible value for now */
# define CURRENT_RECORD 35 /* FIXME: this needs adjusting */
#else /* Not iriver H1x0, H3x0, nor Archos Ondio, nor iPODVideo, nor Sansas */
# define CURRENT_NORMAL 145 /* usual current in mA when using the AJB including some disk/backlight/... activity */
# define CURRENT_BACKLIGHT 30 /* additional current when backlight always on */
#if defined(HAVE_RECORDING)
# define CURRENT_RECORD 35 /* FIXME: this needs adjusting */
#endif
#endif /* Not Archos Ondio */
#define CURRENT_USB 500 /* usual current in mA in USB mode */
#ifdef HAVE_REMOTE_LCD
# define CURRENT_REMOTE 8 /* add. current when H100-remote connected */
#endif /* HAVE_MMC */
# define CURRENT_MIN_CHG 70 /* minimum charge current */
# define MIN_CHG_V 8500 /* at 8.5v charger voltage get CURRENT_MIN_CHG */
# ifdef IRIVER_H300_SERIES
# define CURRENT_MAX_CHG 650 /* maximum charging current */
# else
# define CURRENT_MAX_CHG 350 /* maximum charging current */
# endif
# define MAX_CHG_V 10250 /* anything over 10.25v gives CURRENT_MAX_CHG */
#endif /* not HAVE_MMC */
extern unsigned short power_history[POWER_HISTORY_LEN];
extern const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT];
extern const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT];
extern const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11];
#if CONFIG_CHARGING
extern const unsigned short percent_to_volt_charge[11];
#endif
/* Start up power management thread */
void powermgmt_init(void);
#endif /* SIMULATOR */
/* Returns battery statust */
int battery_level(void); /* percent */
int battery_time(void); /* minutes */
unsigned int battery_adc_voltage(void); /* voltage from ADC in millivolts */
unsigned int battery_voltage(void); /* filtered batt. voltage in millivolts */
/* read unfiltered battery info */
void battery_read_info(int *voltage, int *level);
/* Tells if the battery level is safe for disk writes */
bool battery_level_safe(void);
void set_poweroff_timeout(int timeout);
void set_battery_capacity(int capacity); /* set local battery capacity value */
void set_battery_type(int type); /* set local battery type */
void set_sleep_timer(int seconds);
int get_sleep_timer(void);
void set_car_adapter_mode(bool setting);
void reset_poweroff_timer(void);
void cancel_shutdown(void);
void shutdown_hw(void);
void sys_poweroff(void);
#endif
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