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Disable runtime estimation altogether when there is no runtime current defined. It doens't work and people somehow got confused by seeing obviously wrong values. Now it will just return -1 if you try to estimate runtime without having the current defined.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25222 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Giacomelli 2010-03-16 17:13:25 +00:00
parent 3b5418e814
commit 589abcd416
2 changed files with 15 additions and 9 deletions
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6
firmware/export/powermgmt.h
View file

@ -77,12 +77,8 @@ extern unsigned int power_thread_inputs;
#ifndef SIMULATOR
/* Generic current values that are intentionally meaningless - config header
* should define proper numbers. Use insane values here to remind people
* to define the correct values in the proper header*/
* should define proper numbers.*/
#ifndef CURRENT_NORMAL
#define CURRENT_NORMAL 5 /* usual current in mA */
#endif
#ifndef CURRENT_BACKLIGHT
#define CURRENT_BACKLIGHT 5 /* additional current when backlight always on */

18
firmware/powermgmt.c
View file

@ -113,7 +113,10 @@ static long last_event_tick;
static int voltage_to_battery_level(int battery_millivolts);
static void battery_status_update(void);
#ifdef CURRENT_NORMAL /*only used if we have run current*/
static int runcurrent(void);
#endif
void battery_read_info(int *voltage, int *level)
{
@ -272,6 +275,8 @@ static void battery_status_update(void)
{
int level = voltage_to_battery_level(battery_millivolts);
#ifdef CURRENT_NORMAL /*don't try to estimate run or charge
time without normal current defined*/
/* calculate estimated remaining running time */
#if CONFIG_CHARGING >= CHARGING_MONITOR
if (charging_state()) {
@ -281,6 +286,7 @@ static void battery_status_update(void)
}
else
#endif
/* discharging: remaining running time */
if (battery_millivolts > percent_to_volt_discharge[0][0]) {
/* linear extrapolation */
@ -290,6 +296,9 @@ static void battery_status_update(void)
if (0 > powermgmt_est_runningtime_min) {
powermgmt_est_runningtime_min = 0;
}
#else
powermgmt_est_runningtime_min=-1;
#endif
battery_percent = level;
send_battery_level_event();
@ -364,14 +373,14 @@ static void handle_auto_poweroff(void)
}
}
#ifdef CURRENT_NORMAL /*check that we have a current defined in a config file*/
/*
* Estimate how much current we are drawing just to run.
*/
static int runcurrent(void)
{
int current;
current = CURRENT_NORMAL;
int current = CURRENT_NORMAL;
#ifndef BOOTLOADER
if (usb_inserted()
@ -406,10 +415,11 @@ static int runcurrent(void)
current += CURRENT_REMOTE;
#endif
#endif /* BOOTLOADER */
return current;
}
#endif /* CURRENT_NORMAL */
/* Check to see whether or not we've received an alarm in the last second */
#ifdef HAVE_RTC_ALARM