STM32 PM update

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4908 42af7a65-404d-4744-a932-0658087f49c3

configs/lpc4330-xplorer/ostest/defconfig

@@ -122,7 +122,7 @@ CONFIG_LPC43_USART3=n
 CONFIG_LPC43_CAN1=n
 CONFIG_LPC43_CAN2=n
 CONFIG_LPC43_SPI=n
-CONFIG_LPC43_SSP0=y
+CONFIG_LPC43_SSP0=n
 CONFIG_LPC43_SSP1=n
 CONFIG_LPC43_I2C0=n
 CONFIG_LPC43_I2C1=n

configs/stm3210e-eval/src/stm3210e-internal.h

@@ -179,18 +179,6 @@ void weak_function stm32_spiinitialize(void);
 
 void weak_function stm32_usbinitialize(void);
 
-/************************************************************************************
- * Name: up_ledpminitialize
- *
- * Description:
- *   Register the LEDs to receive power management event callbacks
- *
- ************************************************************************************/
-
-#ifdef CONFIG_PM
-void up_ledpminitialize(void);
-#endif
-
 /************************************************************************************
  * Name: stm32_extcontextsave
  *
@@ -304,6 +292,18 @@ void stm32_deselectlcd(void);
 
 #endif /* CONFIG_STM32_FSMC */
 
+/************************************************************************************
+ * Name: up_ledpminitialize
+ *
+ * Description:
+ *   Register the LEDs to receive power management event callbacks
+ *
+ ************************************************************************************/
+
+#if defined(CONFIG_PM) && defined(CONFIG_ARCH_LEDS)
+void up_ledpminitialize(void);
+#endif
+
 /************************************************************************************
  * Name: up_pmbuttons
  *
@@ -314,7 +314,7 @@ void stm32_deselectlcd(void);
  ************************************************************************************/
 
 #if defined(CONFIG_PM) && defined(CONFIG_IDLE_CUSTOM)
-EXTERN void up_pmbuttons(void);
+void up_pmbuttons(void);
 #endif
 
 /************************************************************************************

configs/stm3210e-eval/src/up_idle.c

@@ -53,11 +53,12 @@
 #include "stm32_pm.h"
 #include "stm32_rcc.h"
 #include "up_internal.h"
+#include "stm3210e-internal.h"
 
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
-
+/* Configuration ************************************************************/
 /* Does the board support an IDLE LED to indicate that the board is in the
  * IDLE state?
  */
@@ -70,6 +71,22 @@
 #  define END_IDLE()
 #endif
 
+/* Values for the RTC Alarm to wake up from the PM_STANDBY mode */
+
+#ifndef CONFIG_PM_ALARM_SEC
+#  define CONFIG_PM_ALARM_SEC 1
+#endif
+
+#ifndef CONFIG_PM_ALARM_NSEC
+#  define CONFIG_PM_ALARM_NSEC 0
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static void up_alarmcb(void);
+
 /****************************************************************************
  * Private Functions
  ****************************************************************************/
@@ -85,11 +102,12 @@
 #ifdef CONFIG_PM
 static void up_idlepm(void)
 {
+  struct timespec alarmtime;
   static enum pm_state_e oldstate = PM_NORMAL;
   enum pm_state_e newstate;
   irqstate_t flags;
   int ret;
-  
+
   /* Decide, which power saving level can be obtained */
 
   newstate = pm_checkstate();
@@ -150,6 +168,18 @@ static void up_idlepm(void)
 
             up_pmbuttons();
 
+            /* Configure the RTC alarm to Auto Wake the system */
+
+            alarmtime.tv_sec  = CONFIG_PM_ALARM_SEC;
+            alarmtime.tv_nsec = CONFIG_PM_ALARM_NSEC;
+
+            ret = up_rtc_setalarm(&alarmtime, &up_alarmcb);
+            if (ret < 0)
+              {
+                lldbg("The alarm is already set to %d seconds \n",
+                      alarmtime.tv_sec);
+              }
+
             /* Call the STM32 stop mode */
 
             stm32_pmstop(true);
@@ -173,6 +203,19 @@ static void up_idlepm(void)
 #  define up_idlepm()
 #endif
 
+
+/************************************************************************************
+ * Name: up_alarmcb
+ *
+ * Description:
+ *    RTC alarm service routine
+ *
+ ************************************************************************************/
+
+static void up_alarmcb(void)
+{
+}
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/

configs/stm3210e-eval/src/up_pm.c

@@ -45,6 +45,7 @@
 
 #include "up_internal.h"
 #include "stm32_pm.h"
+#include "stm3210e-internal.h"
 
 #ifdef CONFIG_PM
 
@@ -91,6 +92,10 @@ void up_pminitialize(void)
   /* Then initialize the NuttX power management subsystem proper */
 
   pm_initialize();
+
+  /* Initialize the LED PM */
+
+  up_ledpminitialize();
 }
 
 #endif /* CONFIG_PM */

configs/stm3210e-eval/src/up_pmbuttons.c

@@ -51,13 +51,13 @@
 #include "nvic.h"
 #include "stm32_pwr.h"
 #include "stm32_pm.h"
+#include "stm3210e-internal.h"
 
 #if defined(CONFIG_PM) && defined(CONFIG_IDLE_CUSTOM)
 
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
-
 /* Configuration ************************************************************/
 
 #ifndef CONFIG_ARCH_BUTTONS
@@ -124,6 +124,8 @@
 #  define CONFIG_PM_BUTTON_ACTIVITY 10
 #endif
 
+/* Miscellaneous Definitions ************************************************/
+
 #ifndef MIN
 #  define MIN(a,b) (a < b ? a : b)
 #endif