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Charging state reporting on H3x0

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Don't read the GPIO every refresh of statusbar or gwps for plugged state, use a
variable exported from powermgmt instead.
Allow Custom WPS to access %bc for battery charge state on targets that support
this.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8383 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Brandon Low 2006-01-19 07:47:34 +00:00
parent 13414ae77a
commit cdacab3d89
7 changed files with 100 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

18
apps/gui/gwps-common.c
View file

@ -655,11 +655,27 @@ static char* get_tag(struct wps_data* wps_data,
case 'p': /* External power plugged in? */
{
if(charger_inserted())
if(charger_input_state==CHARGER)
return "p";
else
return NULL;
}
#if defined(HAVE_CHARGE_CTRL) || \
defined (HAVE_CHARGE_STATE) || \
CONFIG_BATTERY == BATT_LIION2200
case 'c': /* Charging */
{
if (charge_state == CHARGING
#ifdef HAVE_CHARGE_CTRL
|| charge_state == TOPOFF
#endif
) {
return "c";
} else {
return NULL;
}
}
#endif
}
break;

18
apps/gui/statusbar.c
View file

@ -127,7 +127,7 @@ void gui_statusbar_draw(struct gui_statusbar * bar, bool force_redraw)
#endif /* HAVE_LCD_CHARCELLS */
bar->info.volume = sound_val2phys(SOUND_VOLUME, global_settings.volume);
bar->info.inserted = charger_inserted();
bar->info.inserted = (charger_input_state == CHARGER);
bar->info.battlevel = battery_level();
bar->info.battery_safe = battery_level_safe();
@ -178,16 +178,21 @@ void gui_statusbar_draw(struct gui_statusbar * bar, bool force_redraw)
#ifdef HAVE_CHARGING
if (bar->info.inserted) {
battery_state = true;
#if defined(HAVE_CHARGE_CTRL) || CONFIG_BATTERY == BATT_LIION2200
#if defined(HAVE_CHARGE_CTRL) || \
defined(HAVE_CHARGE_STATE) || \
CONFIG_BATTERY == BATT_LIION2200
/* zero battery run time if charging */
if (charge_state > 0) {
if (charge_state > DISCHARGING) {
global_settings.runtime = 0;
lasttime = current_tick;
}
/* animate battery if charging */
if ((charge_state == 1) ||
(charge_state == 2)) {
if ((charge_state == CHARGING)
#ifdef HAVE_CHARGE_CTRL
|| (charge_state == TOPOFF)
#endif
) {
#else
global_settings.runtime = 0;
lasttime = current_tick;
@ -323,7 +328,8 @@ void gui_statusbar_icon_battery(struct screen * display, int percent)
if (fill > 100)
fill = 100;
#if defined(HAVE_CHARGE_CTRL) && !defined(SIMULATOR) /* Rec v1 target only */
#if (defined(HAVE_CHARGE_CTRL) || defined(HAVE_CHARGE_STATE)) && \
!defined(SIMULATOR) /* Certain charge controlled targets */
/* show graphical animation when charging instead of numbers */
if ((global_settings.battery_display) &&
(charge_state != 1) &&

6
firmware/drivers/power.c
View file

@ -148,6 +148,12 @@ void charger_enable(bool on)
}
#endif
#ifdef HAVE_CHARGE_STATE
bool charging_state(void) {
return (GPIO_READ & 0x00800000)?true:false;
}
#endif
#ifdef HAVE_SPDIF_POWER
void spdif_power_enable(bool on)
{

3
firmware/export/config-h300.h
View file

@ -72,6 +72,9 @@
/* Define this if the platform can charge batteries */
#define HAVE_CHARGING 1
/* For units with a hardware charger that reports charge state */
#define HAVE_CHARGE_STATE 1
/* define this if the hardware can be powered off while charging */
#define HAVE_POWEROFF_WHILE_CHARGING

1
firmware/export/power.h
View file

@ -25,6 +25,7 @@ extern bool charger_enabled;
void power_init(void);
bool charger_inserted(void);
bool charging_state(void);
void charger_enable(bool on);
void ide_power_enable(bool on);
bool ide_powered(void);

28
firmware/export/powermgmt.h
View file

@ -79,18 +79,38 @@ extern int trickle_sec; /* trickle charge: How many seconds per minute
#endif /* HAVE_CHARGE_CTRL */
#if defined(HAVE_CHARGE_CTRL) || (CONFIG_BATTERY == BATT_LIION2200)
#if defined(HAVE_CHARGE_CTRL) || \
(CONFIG_BATTERY == BATT_LIION2200) || \
defined(HAVE_CHARGE_STATE)
typedef enum {
DISCHARGING,
CHARGING,
#ifdef HAVE_CHARGE_CTRL
TOPOFF,
TRICKLE
#endif
} charge_state_type;
/* tells what the charger is doing */
extern charge_state_type charge_state;
#endif /* defined(HAVE_CHARGE_CTRL) || (CONFIG_BATTERY == BATT_LIION2200) */
#ifdef HAVE_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
#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 */
@ -106,9 +126,13 @@ extern charge_state_type charge_state;
# 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 /* HAVE_MMC */
#endif /* not HAVE_MMC */
extern unsigned int bat; /* filtered battery voltage, centivolts */
extern unsigned short power_history[POWER_HISTORY_LEN];

53
firmware/powermgmt.c
View file

@ -145,33 +145,28 @@ static const short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
};
#ifdef HAVE_CHARGING
charger_input_state_type charger_input_state IDATA_ATTR;
/* voltages (centivolt) of 0%, 10%, ... 100% when charging enabled */
static const short percent_to_volt_charge[11] =
{
#if CONFIG_BATTERY == BATT_LIPOL1300
340, 349, 358, 367, 376, 385, 394, 403, 408, 413, 418 /* Estimated */
#else
/* values guessed, see
http://www.seattlerobotics.org/encoder/200210/LiIon2.pdf until someone
measures voltages over a charging cycle */
476, 544, 551, 556, 561, 564, 566, 576, 582, 584, 585 /* NiMH */
#endif
};
#endif /* HAVE_CHARGING */
#if defined(HAVE_CHARGE_CTRL) || CONFIG_BATTERY == BATT_LIION2200
#if defined(HAVE_CHARGE_CTRL) || \
CONFIG_BATTERY == BATT_LIION2200 || \
defined(HAVE_CHARGE_STATE)
charge_state_type charge_state; /* charging mode */
#endif
#ifdef HAVE_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.
*/
static enum {
NO_CHARGER,
CHARGER_UNPLUGGED, /* transient state */
CHARGER_PLUGGED, /* transient state */
CHARGER
} charger_input_state;
#endif
#ifdef HAVE_CHARGE_CTRL
int long_delta; /* long term delta battery voltage */
int short_delta; /* short term delta battery voltage */
@ -317,7 +312,7 @@ static void battery_status_update(void)
{
int level;
#ifdef HAVE_CHARGE_CTRL
#if defined(HAVE_CHARGE_CTRL) || defined(HAVE_CHARGE_STATE)
if (charge_state == DISCHARGING) {
level = voltage_to_percent(battery_centivolts,
percent_to_volt_discharge[battery_type]);
@ -520,6 +515,23 @@ static void power_thread_sleep(int ticks)
}
}
#endif
#ifdef HAVE_CHARGE_STATE
switch (charger_input_state) {
case CHARGER_UNPLUGGED:
charge_state = DISCHARGING;
case NO_CHARGER:
break;
case CHARGER_PLUGGED:
case CHARGER:
if (charging_state()) {
charge_state = CHARGING;
} else {
charge_state = DISCHARGING;
}
break;
}
#endif /* HAVE_CHARGE_STATE */
small_ticks = MIN(HZ/2, ticks);
sleep(small_ticks);
@ -551,6 +563,7 @@ static void power_thread_sleep(int ticks)
battery_centivolts = avgbat / BATT_AVE_SAMPLES / 10000;
}
#if defined(DEBUG_FILE) && defined(HAVE_CHARGE_CTRL)
/*
* If we have a lot of pending writes or if the disk is spining,
@ -821,7 +834,7 @@ static void power_thread(void)
snprintf(power_message, POWER_MESSAGE_LEN, "Charger: discharge");
}
#endif /* HAVE_CHARGE_CTRL*/
#endif /* end HAVE_CHARGE_CTRL */
/* sleep for a minute */
@ -840,7 +853,7 @@ static void power_thread(void)
#if defined(DEBUG_FILE) && defined(HAVE_CHARGE_CTRL)
if(usb_inserted()) {
if(fd >= 0) {
/* It is probably too late to close the file but we can try... */
/* It is probably too late to close the file but we can try...*/
close(fd);
fd = -1;
}
@ -855,9 +868,11 @@ static void power_thread(void)
}
}
if(fd >= 0) {
snprintf(debug_message, DEBUG_MESSAGE_LEN, "%d, %d, %d, %d, %d, %d, %d, %d\n",
snprintf(debug_message, DEBUG_MESSAGE_LEN,
"%d, %d, %d, %d, %d, %d, %d, %d\n",
powermgmt_last_cycle_startstop_min, battery_centivolts,
battery_percent, charger_input_state, charge_state, pid_p, pid_i, trickle_sec);
battery_percent, charger_input_state, charge_state,
pid_p, pid_i, trickle_sec);
write(fd, debug_message, strlen(debug_message));
wrcount++;
}