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Add simulated battery drain to the simulator. Patch from Matthias Mohr (task 4886).

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9247 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dan Everton 2006-03-25 14:31:44 +00:00
parent b66477adcc
commit f6bdfbdcd0
1 changed files with 37 additions and 3 deletions
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40
firmware/powermgmt.c
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@ -51,6 +51,9 @@
#endif
#include "logf.h"
#include "lcd-remote.h"
#ifdef SIMULATOR
#include <time.h>
#endif
/*
* Define DEBUG_FILE to create a csv (spreadsheet) with battery information
@ -73,19 +76,50 @@ static int shutdown_timeout = 0;
#ifdef SIMULATOR /***********************************************************/
#define TIME2CHANGE 10 /* change levels every 10 seconds */
#define BATT_MINCVOLT 250 /* minimum centivolts of battery */
#define BATT_MAXCVOLT 450 /* maximum centivolts of battery */
#define BATT_MAXRUNTIME (10 * 60) /* maximum runtime with full battery in minutes */
static unsigned int batt_centivolts = (unsigned int)BATT_MAXCVOLT;
static int batt_level = 100; /* battery capacity level in percent */
static int batt_time = BATT_MAXRUNTIME; /* estimated remaining time in minutes */
static time_t last_change = 0;
static void battery_status_update(void)
{
time_t now;
time(&now);
if (last_change < (now - TIME2CHANGE)) {
last_change = now;
/* change the values: */
batt_centivolts -= (unsigned int)(BATT_MAXCVOLT - BATT_MINCVOLT) / 11;
if (batt_centivolts < (unsigned int)BATT_MINCVOLT)
batt_centivolts = (unsigned int)BATT_MAXCVOLT;
batt_level = 100 * (batt_centivolts - BATT_MINCVOLT) / (BATT_MAXCVOLT - BATT_MINCVOLT);
batt_time = batt_level * BATT_MAXRUNTIME / 100;
}
}
unsigned int battery_voltage(void)
{
return 400;
battery_status_update();
return batt_centivolts;
}
int battery_level(void)
{
return 75;
battery_status_update();
return batt_level;
}
int battery_time(void)
{
return 500;
battery_status_update();
return batt_time;
}
bool battery_level_safe(void)