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Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_pwr_ex.c@579:53297373a894, 2015-07-01 (annotated)

Committer:
mbed_official
Date:
Wed Jul 01 09:45:11 2015 +0100
Revision:
579:53297373a894
Parent:
394:83f921546702 
Synchronized with git revision d5b4d2ab9c47edb4dc5776e7177b0c2263459081



Full URL: https://github.com/mbedmicro/mbed/commit/d5b4d2ab9c47edb4dc5776e7177b0c2263459081/



Initial version of drivers for SAMR21

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 354:e67efb2aab0e 1 /**
mbed_official 354:e67efb2aab0e 2 ******************************************************************************
mbed_official 354:e67efb2aab0e 3 * @file stm32l1xx_hal_pwr_ex.c
mbed_official 354:e67efb2aab0e 4 * @author MCD Application Team
mbed_official 354:e67efb2aab0e 5 * @version V1.0.0
mbed_official 354:e67efb2aab0e 6 * @date 5-September-2014
mbed_official 354:e67efb2aab0e 7 * @brief Extended PWR HAL module driver.
mbed_official 354:e67efb2aab0e 8 * This file provides firmware functions to manage the following
mbed_official 354:e67efb2aab0e 9 * functionalities of the Power Controller (PWR) peripheral:
mbed_official 354:e67efb2aab0e 10 * + Extended Initialization and de-initialization functions
mbed_official 354:e67efb2aab0e 11 * + Extended Peripheral Control functions
mbed_official 354:e67efb2aab0e 12 *
mbed_official 354:e67efb2aab0e 13 ******************************************************************************
mbed_official 354:e67efb2aab0e 14 * @attention
mbed_official 354:e67efb2aab0e 15 *
mbed_official 354:e67efb2aab0e 16 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
mbed_official 354:e67efb2aab0e 17 *
mbed_official 354:e67efb2aab0e 18 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 354:e67efb2aab0e 19 * are permitted provided that the following conditions are met:
mbed_official 354:e67efb2aab0e 20 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 354:e67efb2aab0e 21 * this list of conditions and the following disclaimer.
mbed_official 354:e67efb2aab0e 22 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 354:e67efb2aab0e 23 * this list of conditions and the following disclaimer in the documentation
mbed_official 354:e67efb2aab0e 24 * and/or other materials provided with the distribution.
mbed_official 354:e67efb2aab0e 25 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 354:e67efb2aab0e 26 * may be used to endorse or promote products derived from this software
mbed_official 354:e67efb2aab0e 27 * without specific prior written permission.
mbed_official 354:e67efb2aab0e 28 *
mbed_official 354:e67efb2aab0e 29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 354:e67efb2aab0e 30 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 354:e67efb2aab0e 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 354:e67efb2aab0e 32 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 354:e67efb2aab0e 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 354:e67efb2aab0e 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 354:e67efb2aab0e 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 354:e67efb2aab0e 36 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 354:e67efb2aab0e 37 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 354:e67efb2aab0e 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 354:e67efb2aab0e 39 *
mbed_official 354:e67efb2aab0e 40 ******************************************************************************
mbed_official 354:e67efb2aab0e 41 */
mbed_official 354:e67efb2aab0e 42
mbed_official 354:e67efb2aab0e 43 /* Includes ------------------------------------------------------------------*/
mbed_official 354:e67efb2aab0e 44 #include "stm32l1xx_hal.h"
mbed_official 354:e67efb2aab0e 45
mbed_official 354:e67efb2aab0e 46 /** @addtogroup STM32L1xx_HAL_Driver
mbed_official 354:e67efb2aab0e 47 * @{
mbed_official 354:e67efb2aab0e 48 */
mbed_official 354:e67efb2aab0e 49
mbed_official 354:e67efb2aab0e 50 /** @defgroup PWREx PWREx
mbed_official 354:e67efb2aab0e 51 * @brief PWR HAL module driver
mbed_official 354:e67efb2aab0e 52 * @{
mbed_official 354:e67efb2aab0e 53 */
mbed_official 354:e67efb2aab0e 54
mbed_official 354:e67efb2aab0e 55 #ifdef HAL_PWR_MODULE_ENABLED
mbed_official 354:e67efb2aab0e 56
mbed_official 354:e67efb2aab0e 57 /* Private typedef -----------------------------------------------------------*/
mbed_official 354:e67efb2aab0e 58 /* Private define ------------------------------------------------------------*/
mbed_official 354:e67efb2aab0e 59 /* Private macro -------------------------------------------------------------*/
mbed_official 354:e67efb2aab0e 60 /* Private variables ---------------------------------------------------------*/
mbed_official 354:e67efb2aab0e 61 /* Private function prototypes -----------------------------------------------*/
mbed_official 354:e67efb2aab0e 62 /* Private functions ---------------------------------------------------------*/
mbed_official 354:e67efb2aab0e 63
mbed_official 354:e67efb2aab0e 64 /** @defgroup PWREx_Exported_Functions PWREx Exported Functions
mbed_official 354:e67efb2aab0e 65 * @{
mbed_official 354:e67efb2aab0e 66 */
mbed_official 354:e67efb2aab0e 67
mbed_official 354:e67efb2aab0e 68 /** @defgroup PWREx_Exported_Functions_Group1 Peripheral Extended Features Functions
mbed_official 354:e67efb2aab0e 69 * @brief Low Power modes configuration functions
mbed_official 354:e67efb2aab0e 70 *
mbed_official 354:e67efb2aab0e 71 @verbatim
mbed_official 354:e67efb2aab0e 72
mbed_official 354:e67efb2aab0e 73 ===============================================================================
mbed_official 354:e67efb2aab0e 74 ##### Peripheral extended features functions #####
mbed_official 354:e67efb2aab0e 75 ===============================================================================
mbed_official 354:e67efb2aab0e 76 @endverbatim
mbed_official 354:e67efb2aab0e 77 * @{
mbed_official 354:e67efb2aab0e 78 */
mbed_official 354:e67efb2aab0e 79
mbed_official 354:e67efb2aab0e 80 /**
mbed_official 354:e67efb2aab0e 81 * @brief Enables the Fast WakeUp from Ultra Low Power mode.
mbed_official 354:e67efb2aab0e 82 * @note This bit works in conjunction with ULP bit.
mbed_official 354:e67efb2aab0e 83 * Means, when ULP = 1 and FWU = 1 :VREFINT startup time is ignored when
mbed_official 354:e67efb2aab0e 84 * exiting from low power mode.
mbed_official 354:e67efb2aab0e 85 * @retval None
mbed_official 354:e67efb2aab0e 86 */
mbed_official 354:e67efb2aab0e 87 void HAL_PWREx_EnableFastWakeUp(void)
mbed_official 354:e67efb2aab0e 88 {
mbed_official 354:e67efb2aab0e 89 /* Enable the fast wake up */
mbed_official 354:e67efb2aab0e 90 *(__IO uint32_t *) CR_FWU_BB = (uint32_t)ENABLE;
mbed_official 354:e67efb2aab0e 91 }
mbed_official 354:e67efb2aab0e 92
mbed_official 354:e67efb2aab0e 93 /**
mbed_official 354:e67efb2aab0e 94 * @brief Disables the Fast WakeUp from Ultra Low Power mode.
mbed_official 354:e67efb2aab0e 95 * @retval None
mbed_official 354:e67efb2aab0e 96 */
mbed_official 354:e67efb2aab0e 97 void HAL_PWREx_DisableFastWakeUp(void)
mbed_official 354:e67efb2aab0e 98 {
mbed_official 354:e67efb2aab0e 99 /* Disable the fast wake up */
mbed_official 354:e67efb2aab0e 100 *(__IO uint32_t *) CR_FWU_BB = (uint32_t)DISABLE;
mbed_official 354:e67efb2aab0e 101 }
mbed_official 354:e67efb2aab0e 102
mbed_official 354:e67efb2aab0e 103 /**
mbed_official 354:e67efb2aab0e 104 * @brief Enables the Ultra Low Power mode
mbed_official 354:e67efb2aab0e 105 * @retval None
mbed_official 354:e67efb2aab0e 106 */
mbed_official 354:e67efb2aab0e 107 void HAL_PWREx_EnableUltraLowPower(void)
mbed_official 354:e67efb2aab0e 108 {
mbed_official 354:e67efb2aab0e 109 /* Enable the Ultra Low Power mode */
mbed_official 354:e67efb2aab0e 110 *(__IO uint32_t *) CR_ULP_BB = (uint32_t)ENABLE;
mbed_official 354:e67efb2aab0e 111 }
mbed_official 354:e67efb2aab0e 112
mbed_official 354:e67efb2aab0e 113 /**
mbed_official 354:e67efb2aab0e 114 * @brief Disables the Ultra Low Power mode
mbed_official 354:e67efb2aab0e 115 * @retval None
mbed_official 354:e67efb2aab0e 116 */
mbed_official 354:e67efb2aab0e 117 void HAL_PWREx_DisableUltraLowPower(void)
mbed_official 354:e67efb2aab0e 118 {
mbed_official 354:e67efb2aab0e 119 /* Disable the Ultra Low Power mode */
mbed_official 354:e67efb2aab0e 120 *(__IO uint32_t *) CR_ULP_BB = (uint32_t)DISABLE;
mbed_official 354:e67efb2aab0e 121 }
mbed_official 354:e67efb2aab0e 122
mbed_official 354:e67efb2aab0e 123 /**
mbed_official 354:e67efb2aab0e 124 * @brief Enters the Low Power Run mode.
mbed_official 354:e67efb2aab0e 125 * @note Low power run mode can only be entered when VCORE is in range 2.
mbed_official 354:e67efb2aab0e 126 * In addition, the dynamic voltage scaling must not be used when Low
mbed_official 354:e67efb2aab0e 127 * power run mode is selected. Only Stop and Sleep modes with regulator
mbed_official 354:e67efb2aab0e 128 * configured in Low power mode is allowed when Low power run mode is
mbed_official 354:e67efb2aab0e 129 * selected.
mbed_official 354:e67efb2aab0e 130 * @note In Low power run mode, all I/O pins keep the same state as in Run mode.
mbed_official 354:e67efb2aab0e 131 * @retval None
mbed_official 354:e67efb2aab0e 132 */
mbed_official 354:e67efb2aab0e 133 void HAL_PWREx_EnableLowPowerRunMode(void)
mbed_official 354:e67efb2aab0e 134 {
mbed_official 354:e67efb2aab0e 135 /* Enters the Low Power Run mode */
mbed_official 354:e67efb2aab0e 136 *(__IO uint32_t *) CR_LPSDSR_BB = (uint32_t)ENABLE;
mbed_official 354:e67efb2aab0e 137 *(__IO uint32_t *) CR_LPRUN_BB = (uint32_t)ENABLE;
mbed_official 354:e67efb2aab0e 138 }
mbed_official 354:e67efb2aab0e 139
mbed_official 354:e67efb2aab0e 140 /**
mbed_official 354:e67efb2aab0e 141 * @brief Exits the Low Power Run mode.
mbed_official 354:e67efb2aab0e 142 * @retval None
mbed_official 354:e67efb2aab0e 143 */
mbed_official 354:e67efb2aab0e 144 void HAL_PWREx_DisableLowPowerRunMode(void)
mbed_official 354:e67efb2aab0e 145 {
mbed_official 354:e67efb2aab0e 146 /* Exits the Low Power Run mode */
mbed_official 354:e67efb2aab0e 147 *(__IO uint32_t *) CR_LPRUN_BB = (uint32_t)DISABLE;
mbed_official 354:e67efb2aab0e 148 *(__IO uint32_t *) CR_LPSDSR_BB = (uint32_t)DISABLE;
mbed_official 354:e67efb2aab0e 149 }
mbed_official 354:e67efb2aab0e 150
mbed_official 354:e67efb2aab0e 151 /**
mbed_official 354:e67efb2aab0e 152 * @}
mbed_official 354:e67efb2aab0e 153 */
mbed_official 354:e67efb2aab0e 154
mbed_official 354:e67efb2aab0e 155 /**
mbed_official 354:e67efb2aab0e 156 * @}
mbed_official 354:e67efb2aab0e 157 */
mbed_official 354:e67efb2aab0e 158
mbed_official 354:e67efb2aab0e 159 #endif /* HAL_PWR_MODULE_ENABLED */
mbed_official 354:e67efb2aab0e 160 /**
mbed_official 354:e67efb2aab0e 161 * @}
mbed_official 354:e67efb2aab0e 162 */
mbed_official 354:e67efb2aab0e 163
mbed_official 354:e67efb2aab0e 164 /**
mbed_official 354:e67efb2aab0e 165 * @}
mbed_official 354:e67efb2aab0e 166 */
mbed_official 354:e67efb2aab0e 167
mbed_official 354:e67efb2aab0e 168 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/