Kashish Haresh Shah
/
HXCClientShield
HXC Client Shield Repository.
Utilities/low_power_manager.h
- Committer:
- kashish_mbed
- Date:
- 2021-03-29
- Revision:
- 0:bacc6e701fb4
File content as of revision 0:bacc6e701fb4:
/** ****************************************************************************** * @file low_power_manager.h * @author MCD Application Team * @version V1.1.4 * @date 08-January-2018 * @brief Header for stm32xx_lpm.c module ****************************************************************************** * @attention * * <h2><center>© 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. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32_LPM__H #define __STM32_LPM__H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ /*low power manager configuration*/ typedef enum { LPM_APPLI_Id = (1 << 0), LPM_LIB_Id = (1 << 1), LPM_RTC_Id = (1 << 2), LPM_GPS_Id = (1 << 3), LPM_UART_RX_Id = (1 << 4), LPM_UART_TX_Id = (1 << 5), } LPM_Id_t; /** * Low Power Mode selected */ typedef enum { LPM_Enable=0, LPM_Disable, } LPM_SetMode_t; typedef enum { LPM_SleepMode, LPM_StopMode, LPM_OffMode, } LPM_GetMode_t; /* Exported constants --------------------------------------------------------*/ /* External variables --------------------------------------------------------*/ /* Exported macros -----------------------------------------------------------*/ /* Exported functions ------------------------------------------------------- */ /** * @brief This API returns the Low Power Mode selected that will be applied when the system will enter low power mode * if there is no update between the time the mode is read with this API and the time the system enters * low power mode. * @param None * @retval LPM_ModeSelected_t */ LPM_GetMode_t LPM_GetMode(void); /** * @brief This API notifies the low power manager if the specified user allows the Off mode or not. * When the application does not require the system clock, it enters Stop Mode if at least one user disallow * Off Mode. Otherwise, it enters Off Mode. * The default mode selection for all users is Off mode enabled * @param id: process Id * @param mode: mode selected * @retval None */ void LPM_SetStopMode(LPM_Id_t id, LPM_SetMode_t mode); void LPM_SetOffMode(LPM_Id_t id, LPM_SetMode_t mode); /** * @brief This API shall be used by the application when there is no more code to execute so that the system may * enter low-power mode. The mode selected depends on the information received from LPM_OffModeSelection() and * LPM_SysclockRequest() * This function shall be called in critical section * @param None * @retval None */ void LPM_EnterLowPower(void); /** * @brief This API is called by the low power manager in a critical section (PRIMASK bit set) to allow the * application to implement dedicated code before entering Sleep Mode * @param None * @retval None */ void LPM_EnterSleepMode(void); /** * @brief This API is called by the low power manager in a critical section (PRIMASK bit set) to allow the * application to implement dedicated code before getting out from Sleep Mode * @param None * @retval None */ void LPM_ExitSleepMode(void); /** * @brief This API is called by the low power manager in a critical section (PRIMASK bit set) to allow the * application to implement dedicated code before entering Stop Mode * @param None * @retval None */ void LPM_EnterStopMode(void); /** * @brief This API is called by the low power manager in a critical section (PRIMASK bit set) to allow the * application to implement dedicated code before getting out from Stop Mode. This is where the application * should reconfigure the clock tree when needed * @param None * @retval None */ void LPM_ExitStopMode(void); /** * @brief This API is called by the low power manager in a critical section (PRIMASK bit set) to allow the * application to implement dedicated code before entering Off mode. This is where the application could save * data in the retention memory as the RAM memory content will be lost * @param None * @retval None */ void LPM_EnterOffMode(void); /** * @brief This API is called by the low power manager in a critical section (PRIMASK bit set) to allow the * application to implement dedicated code before getting out from Off mode. This can only happen when the * Off mode is finally not entered. In that case, the application may reverse some configurations done before * entering Off mode. When Off mode is successful, the system is reset when getting out from this low-power mode * @param None * @retval None */ void LPM_ExitOffMode(void); #ifdef __cplusplus } #endif #endif /*__STM32_LPM__H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/