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FS#9085 - Stopwatch: Retain stopwatch times after exit

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17858 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Robert Kukla 2008-06-28 21:01:08 +00:00
parent 205f3df781
commit 1f045bcb1e
2 changed files with 75 additions and 1 deletions
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74
apps/plugins/stopwatch.c
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@ -32,6 +32,8 @@ PLUGIN_HEADER
#define LAP_Y TIMER_Y+1
#define MAX_LAPS 64
#define STOPWATCH_FILE ROCKBOX_DIR "/apps/stopwatch.dat"
/* variable button definitions */
#if CONFIG_KEYPAD == RECORDER_PAD
#define STOPWATCH_QUIT BUTTON_OFF
@ -230,6 +232,75 @@ static void ticks_to_string(int ticks,int lap,int buflen, char * buf)
}
}
/*
* Load saved stopwatch state, if exists.
*/
void load_stopwatch(void)
{
int fd;
fd = rb->open(STOPWATCH_FILE, O_RDONLY);
if (fd < 0)
{
return;
}
/* variable stopwatch isn't saved/loaded, because it is only used
* temporarily in main loop
*/
rb->read(fd, &start_at, sizeof(start_at));
rb->read(fd, &prev_total, sizeof(prev_total));
rb->read(fd, &counting, sizeof(counting));
rb->read(fd, &curr_lap, sizeof(curr_lap));
rb->read(fd, &lap_scroll, sizeof(lap_scroll));
rb->read(fd, &lap_start, sizeof(lap_start));
rb->read(fd, lap_times, sizeof(lap_times));
if (counting && start_at > *rb->current_tick)
{
/* Stopwatch started in the future? Unlikely; probably started on a
* previous session and powered off in-between. We'll keep
* everything intact (user can clear manually) but stop the
* stopwatch to avoid negative timing.
*/
start_at = 0;
counting = false;
}
rb->close(fd);
}
/*
* Save stopwatch state.
*/
void save_stopwatch(void)
{
int fd;
fd = rb->open(STOPWATCH_FILE, O_CREAT|O_WRONLY|O_TRUNC);
if (fd < 0)
{
return;
}
/* variable stopwatch isn't saved/loaded, because it is only used
* temporarily in main loop
*/
rb->write(fd, &start_at, sizeof(start_at));
rb->write(fd, &prev_total, sizeof(prev_total));
rb->write(fd, &counting, sizeof(counting));
rb->write(fd, &curr_lap, sizeof(curr_lap));
rb->write(fd, &lap_scroll, sizeof(lap_scroll));
rb->write(fd, &lap_start, sizeof(lap_start));
rb->write(fd, lap_times, sizeof(lap_times));
rb->close(fd);
}
enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
{
char buf[32];
@ -251,6 +322,8 @@ enum plugin_status plugin_start(const struct plugin_api* api, const void* parame
lines = 1;
#endif
load_stopwatch();
rb->lcd_clear_display();
while (!done)
@ -308,6 +381,7 @@ enum plugin_status plugin_start(const struct plugin_api* api, const void* parame
case STOPWATCH_RC_QUIT:
#endif
case STOPWATCH_QUIT:
save_stopwatch();
done = true;
break;