From fe26494ea8673246adda770689a8dea11176a47d Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>
Date: Fri, 3 Aug 2012 15:15:28 +0000
Subject: STM32 PM update

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5003 7fd9a85b-ad96-42d3-883c-3090e2eb8679
---
 nuttx/configs/stm3210e-eval/src/up_idle.c | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'nuttx')

diff --git a/nuttx/configs/stm3210e-eval/src/up_idle.c b/nuttx/configs/stm3210e-eval/src/up_idle.c
index 13c88ee80..5b9f3c9fa 100644
--- a/nuttx/configs/stm3210e-eval/src/up_idle.c
+++ b/nuttx/configs/stm3210e-eval/src/up_idle.c
@@ -39,17 +39,19 @@
  * Included Files
  ****************************************************************************/
 
-#include <arch/board/board.h>
 #include <nuttx/config.h>
 
+#include <debug.h>
+
 #include <nuttx/arch.h>
 #include <nuttx/clock.h>
 #include <nuttx/power/pm.h>
-
-#include <debug.h>
 #include <nuttx/rtc.h>
+
 #include <arch/irq.h>
 
+#include <arch/board/board.h>
+
 #include "up_internal.h"
 #include "stm32_pm.h"
 #include "stm32_rcc.h"
@@ -288,7 +290,18 @@ static void up_idlepm(void)
 
             if (oldstate == PM_STANDBY)
               {
+                /* Re-enable clocking */
+
                 stm32_clockenable();
+
+                /* The system timer was disabled while in PM_STANDBY or
+                 * PM_SLEEP modes.  But the RTC has still be running:  Reset
+                 * the system time the current RTC time.
+                 */
+
+#ifdef CONFIG_RTC
+                clock_synchronize();
+#endif
               }
           }
           break;
-- 
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