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PM update 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5045 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2012-08-22 12:27:05 +00:00
parent 451e17f183
commit 9ab1bb8a53
1 changed files with 39 additions and 18 deletions
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55
nuttx/configs/stm3210e-eval/src/up_idle.c
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@ -252,15 +252,47 @@ static void up_idlepm(void)
enum pm_state_e newstate;
int ret;
/* Decide, which power saving level can be obtained */
/* The following is logic that is done after the wake-up from PM_STANDBY
* state. It decides whether to go back to the PM_NORMAL or to the deeper
* power-saving mode PM_SLEEP: If the alarm expired with no "normal"
* wake-up event, then PM_SLEEP is entered.
*
* Logically, this code belongs at the end of the PM_STANDBY case below,
* does not work in the position for some unkown reason.
*/
if (oldstate == PM_STANDBY)
{
/* Were we awakened by the alarm? */
#ifdef CONFIG_RTC_ALARM
if (g_alarmwakeup)
{
/* Yes.. Go to SLEEP mode */
newstate = PM_SLEEP;
}
else
#endif
{
/* Resume normal operation */
newstate = PM_NORMAL:
}
}
else
#endif
{
/* Let the PM system decide, which power saving level can be obtained */
newstate = pm_checkstate();
}
/* Check for state changes */
if (newstate != oldstate)
{
lldbg("newstate= %d oldstate=%d\n", newstate, oldstate);
llvdbg("newstate= %d oldstate=%d\n", newstate, oldstate);
sched_lock();
@ -338,22 +370,11 @@ static void up_idlepm(void)
{
lldbg("Warning: Cancel alarm failed\n");
}
/* Were we awakened by the alarm? */
if (g_alarmwakeup)
{
/* Yes.. Go to SLEEP mode */
pm_changestate(PM_SLEEP);
}
else
#endif
{
/* Resume normal operation */
pm_changestate(PM_NORMAL);
}
/* Note: See the additional PM_STANDBY related logic at the
* beginning of this function. That logic is executed after
* this point.
*/
}
break;