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Add a basic power management framework

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3936 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-09-04 19:24:27 +00:00
parent c38362f357
commit eac7114381
2 changed files with 32 additions and 0 deletions
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11
arch/sim/src/up_head.c
View File

@ -47,6 +47,7 @@
#include <nuttx/init.h> #include <nuttx/init.h>
#include <nuttx/arch.h> #include <nuttx/arch.h>
#include <nuttx/pm.h>
/**************************************************************************** /****************************************************************************
* Private Data * Private Data
@ -60,6 +61,16 @@ static jmp_buf sim_abort;
int main(int argc, char **argv, char **envp) int main(int argc, char **argv, char **envp)
{ {
/* Power management should be initialized early in the (simulated) boot
* sequence.
*/
#ifdef CONFIG_PM
pm_initialize();
#endif
/* Then start NuttX */
if (setjmp(sim_abort) == 0) if (setjmp(sim_abort) == 0)
{ {
os_start(); os_start();

21
arch/sim/src/up_idle.c
View File

@ -40,7 +40,10 @@
#include <nuttx/config.h> #include <nuttx/config.h>
#include <time.h> #include <time.h>
#include <nuttx/arch.h> #include <nuttx/arch.h>
#include <nuttx/pm.h>
#include "up_internal.h" #include "up_internal.h"
/**************************************************************************** /****************************************************************************
@ -103,6 +106,24 @@ void up_idle(void)
uipdriver_loop(); uipdriver_loop();
#endif #endif
/* Fake some power management stuff for testing purposes */
#ifdef CONFIG_PM
{
static enum pm_state_e state = PM_NORMAL;
enum pm_state_e newstate;
newstate = pm_checkstate();
if (newstate != state)
{
if (pm_changestate(newstate) == OK)
{
state = newstate;
}
}
}
#endif
/* Wait a bit so that the sched_process_timer() is called close to the /* Wait a bit so that the sched_process_timer() is called close to the
* correct rate. * correct rate.
*/ */