Diff: low_power_manager.c

Revision:

0:a0c5877bd360

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/low_power_manager.c	Thu Jul 12 00:50:48 2018 +0000
@@ -0,0 +1,188 @@
+/**
+ ******************************************************************************
+ * @file    low_power_manager.c
+ * @author  MCD Application Team
+ * @version V1.1.4
+ * @date    08-January-2018
+ * @brief   Low Power Manager
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics International N.V.
+ * All rights reserved.</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted, provided that the following conditions are met:
+ *
+ * 1. Redistribution of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of other
+ *    contributors to this software may be used to endorse or promote products
+ *    derived from this software without specific written permission.
+ * 4. This software, including modifications and/or derivative works of this
+ *    software, must execute solely and exclusively on microcontroller or
+ *    microprocessor devices manufactured by or for STMicroelectronics.
+ * 5. Redistribution and use of this software other than as permitted under
+ *    this license is void and will automatically terminate your rights under
+ *    this license.
+ *
+ * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+ * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
+ * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "hw.h"
+#include "low_power_manager.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private defines -----------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+static uint32_t StopModeDisable = 0;
+static uint32_t OffModeDisable = 0;
+
+/* Global variables ----------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Functions Definition ------------------------------------------------------*/
+void LPM_SetOffMode(LPM_Id_t id, LPM_SetMode_t mode)
+{
+  BACKUP_PRIMASK();
+  
+  DISABLE_IRQ( );
+  
+  
+  switch(mode)
+  {
+    case LPM_Disable:
+    {
+      OffModeDisable |= (uint32_t)id;
+      break;
+    }
+    case LPM_Enable:
+    {
+      OffModeDisable &= ~(uint32_t)id;
+      break;
+    }
+    default:
+      break;
+  }
+  
+  RESTORE_PRIMASK( );
+
+  return;
+}
+
+void LPM_SetStopMode(LPM_Id_t id, LPM_SetMode_t mode)
+{
+  BACKUP_PRIMASK();
+  
+  DISABLE_IRQ( );
+  
+  
+  switch(mode)
+  {
+    case LPM_Disable:
+    {
+      StopModeDisable |= (uint32_t)id;
+      break;
+    }
+    case LPM_Enable:
+    {
+      StopModeDisable &= ~(uint32_t)id;
+      break;
+    }
+    default:
+      break;
+  }
+  RESTORE_PRIMASK( );
+
+  return;
+}
+
+void LPM_EnterLowPower(void)
+{
+  if( StopModeDisable )
+  {
+    /**
+     * SLEEP mode is required
+     */
+    LPM_EnterSleepMode();
+    LPM_ExitSleepMode();
+  }
+  else
+  { 
+    if( OffModeDisable )
+    {
+      /**
+       * STOP mode is required
+       */
+      LPM_EnterStopMode();
+      LPM_ExitStopMode();
+    }
+    else
+    {
+      /**
+       * OFF mode is required
+       */
+      LPM_EnterOffMode();
+      LPM_ExitOffMode();
+    }
+  }
+
+  return;
+}
+
+LPM_GetMode_t LPM_GetMode(void)
+{
+  LPM_GetMode_t mode_selected;
+
+  BACKUP_PRIMASK();
+  
+  DISABLE_IRQ( );
+
+  if(StopModeDisable )
+  {
+    mode_selected = LPM_SleepMode;
+  }
+  else
+  {
+    if(OffModeDisable)
+    {
+      mode_selected = LPM_StopMode;
+    }
+    else
+    {
+      mode_selected = LPM_OffMode;
+    }
+  }
+
+  RESTORE_PRIMASK( );
+
+  return mode_selected;
+}
+
+__weak void LPM_EnterSleepMode(void) {}
+__weak void LPM_ExitSleepMode(void) {}
+__weak void LPM_EnterStopMode(void) {}
+__weak void LPM_ExitStopMode(void) {}
+__weak void LPM_EnterOffMode(void) {}
+__weak void LPM_ExitOffMode(void) {}
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+