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Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_pwr_ex.c@382:ee426a420dbb, 2014-11-03 (annotated)

Committer:
mbed_official
Date:
Mon Nov 03 10:45:07 2014 +0000
Revision:
382:ee426a420dbb
Parent:
targets/cmsis/TARGET_STM/TARGET_DISCO_L053C8/stm32l0xx_hal_pwr_ex.c@376:cb4d9db17537
Child:
489:119543c9f674
Synchronized with git revision d54467eb07f62efd9ccdf44f1ede7fe1c1b0cf83



Full URL: https://github.com/mbedmicro/mbed/commit/d54467eb07f62efd9ccdf44f1ede7fe1c1b0cf83/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 376:cb4d9db17537 1 /**
mbed_official 376:cb4d9db17537 2 ******************************************************************************
mbed_official 376:cb4d9db17537 3 * @file stm32l0xx_hal_pwr_ex.c
mbed_official 376:cb4d9db17537 4 * @author MCD Application Team
mbed_official 376:cb4d9db17537 5 * @version V1.1.0
mbed_official 376:cb4d9db17537 6 * @date 18-June-2014
mbed_official 376:cb4d9db17537 7 * @brief Extended PWR HAL module driver.
mbed_official 376:cb4d9db17537 8 * This file provides firmware functions to manage the following
mbed_official 376:cb4d9db17537 9 * functionalities of the Power Controller (PWR) peripheral:
mbed_official 376:cb4d9db17537 10 * + Extended Initialization and de-initialization functions
mbed_official 376:cb4d9db17537 11 * + Extended Peripheral Control functions
mbed_official 376:cb4d9db17537 12 *
mbed_official 376:cb4d9db17537 13 ******************************************************************************
mbed_official 376:cb4d9db17537 14 * @attention
mbed_official 376:cb4d9db17537 15 *
mbed_official 376:cb4d9db17537 16 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
mbed_official 376:cb4d9db17537 17 *
mbed_official 376:cb4d9db17537 18 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 376:cb4d9db17537 19 * are permitted provided that the following conditions are met:
mbed_official 376:cb4d9db17537 20 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 376:cb4d9db17537 21 * this list of conditions and the following disclaimer.
mbed_official 376:cb4d9db17537 22 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 376:cb4d9db17537 23 * this list of conditions and the following disclaimer in the documentation
mbed_official 376:cb4d9db17537 24 * and/or other materials provided with the distribution.
mbed_official 376:cb4d9db17537 25 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 376:cb4d9db17537 26 * may be used to endorse or promote products derived from this software
mbed_official 376:cb4d9db17537 27 * without specific prior written permission.
mbed_official 376:cb4d9db17537 28 *
mbed_official 376:cb4d9db17537 29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 376:cb4d9db17537 30 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 376:cb4d9db17537 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 376:cb4d9db17537 32 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 376:cb4d9db17537 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 376:cb4d9db17537 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 376:cb4d9db17537 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 376:cb4d9db17537 36 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 376:cb4d9db17537 37 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 376:cb4d9db17537 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 376:cb4d9db17537 39 *
mbed_official 376:cb4d9db17537 40 ******************************************************************************
mbed_official 376:cb4d9db17537 41 */
mbed_official 376:cb4d9db17537 42
mbed_official 376:cb4d9db17537 43 /* Includes ------------------------------------------------------------------*/
mbed_official 376:cb4d9db17537 44 #include "stm32l0xx_hal.h"
mbed_official 376:cb4d9db17537 45
mbed_official 376:cb4d9db17537 46 /** @addtogroup STM32L0xx_HAL_Driver
mbed_official 376:cb4d9db17537 47 * @{
mbed_official 376:cb4d9db17537 48 */
mbed_official 376:cb4d9db17537 49
mbed_official 376:cb4d9db17537 50 /** @defgroup PWREx
mbed_official 376:cb4d9db17537 51 * @brief PWR HAL module driver
mbed_official 376:cb4d9db17537 52 * @{
mbed_official 376:cb4d9db17537 53 */
mbed_official 376:cb4d9db17537 54
mbed_official 376:cb4d9db17537 55 #ifdef HAL_PWR_MODULE_ENABLED
mbed_official 376:cb4d9db17537 56
mbed_official 376:cb4d9db17537 57 /* Private typedef -----------------------------------------------------------*/
mbed_official 376:cb4d9db17537 58 /* Private define ------------------------------------------------------------*/
mbed_official 376:cb4d9db17537 59 /* Private macro -------------------------------------------------------------*/
mbed_official 376:cb4d9db17537 60 /* Private variables ---------------------------------------------------------*/
mbed_official 376:cb4d9db17537 61 /* Private function prototypes -----------------------------------------------*/
mbed_official 376:cb4d9db17537 62 /* Private functions ---------------------------------------------------------*/
mbed_official 376:cb4d9db17537 63
mbed_official 376:cb4d9db17537 64 /** @defgroup PWREx_Private_Functions
mbed_official 376:cb4d9db17537 65 * @{
mbed_official 376:cb4d9db17537 66 */
mbed_official 376:cb4d9db17537 67
mbed_official 376:cb4d9db17537 68 /** @defgroup PWREx_Group1 Peripheral Extended features functions
mbed_official 376:cb4d9db17537 69 * @brief Low Power modes configuration functions
mbed_official 376:cb4d9db17537 70 *
mbed_official 376:cb4d9db17537 71 @verbatim
mbed_official 376:cb4d9db17537 72
mbed_official 376:cb4d9db17537 73 ===============================================================================
mbed_official 376:cb4d9db17537 74 ##### Peripheral extended features functions #####
mbed_official 376:cb4d9db17537 75 ===============================================================================
mbed_official 376:cb4d9db17537 76 @endverbatim
mbed_official 376:cb4d9db17537 77 * @{
mbed_official 376:cb4d9db17537 78 */
mbed_official 376:cb4d9db17537 79
mbed_official 376:cb4d9db17537 80 /**
mbed_official 376:cb4d9db17537 81 * @brief Enables the Fast WakeUp from Ultra Low Power mode.
mbed_official 376:cb4d9db17537 82 * @note This bit works in conjunction with ULP bit.
mbed_official 376:cb4d9db17537 83 * Means, when ULP = 1 and FWU = 1 :VREFINT startup time is ignored when
mbed_official 376:cb4d9db17537 84 * exiting from low power mode.
mbed_official 376:cb4d9db17537 85 * @param None
mbed_official 376:cb4d9db17537 86 * @retval None
mbed_official 376:cb4d9db17537 87 */
mbed_official 376:cb4d9db17537 88 void HAL_PWREx_EnableFastWakeUp(void)
mbed_official 376:cb4d9db17537 89 {
mbed_official 376:cb4d9db17537 90 /* Enable the fast wake up */
mbed_official 376:cb4d9db17537 91 PWR->CR |= PWR_CR_FWU;
mbed_official 376:cb4d9db17537 92 }
mbed_official 376:cb4d9db17537 93
mbed_official 376:cb4d9db17537 94 /**
mbed_official 376:cb4d9db17537 95 * @brief Disables the Fast WakeUp from Ultra Low Power mode.
mbed_official 376:cb4d9db17537 96 * @param None
mbed_official 376:cb4d9db17537 97 * @retval None
mbed_official 376:cb4d9db17537 98 */
mbed_official 376:cb4d9db17537 99 void HAL_PWREx_DisableFastWakeUp(void)
mbed_official 376:cb4d9db17537 100 {
mbed_official 376:cb4d9db17537 101 /* Disable the fast wake up */
mbed_official 376:cb4d9db17537 102 PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_FWU);
mbed_official 376:cb4d9db17537 103 }
mbed_official 376:cb4d9db17537 104
mbed_official 376:cb4d9db17537 105 /**
mbed_official 376:cb4d9db17537 106 * @brief Enables the Ultra Low Power mode
mbed_official 376:cb4d9db17537 107 * @param None
mbed_official 376:cb4d9db17537 108 * @retval None
mbed_official 376:cb4d9db17537 109 */
mbed_official 376:cb4d9db17537 110 void HAL_PWREx_EnableUltraLowPower(void)
mbed_official 376:cb4d9db17537 111 {
mbed_official 376:cb4d9db17537 112 /* Enable the Ultra Low Power mode */
mbed_official 376:cb4d9db17537 113 PWR->CR |= PWR_CR_ULP;
mbed_official 376:cb4d9db17537 114 }
mbed_official 376:cb4d9db17537 115
mbed_official 376:cb4d9db17537 116 /**
mbed_official 376:cb4d9db17537 117 * @brief Disables the Ultra Low Power mode
mbed_official 376:cb4d9db17537 118 * @param None
mbed_official 376:cb4d9db17537 119 * @retval None
mbed_official 376:cb4d9db17537 120 */
mbed_official 376:cb4d9db17537 121 void HAL_PWREx_DisableUltraLowPower(void)
mbed_official 376:cb4d9db17537 122 {
mbed_official 376:cb4d9db17537 123 /* Disable the Ultra Low Power mode */
mbed_official 376:cb4d9db17537 124 PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_ULP);
mbed_official 376:cb4d9db17537 125 }
mbed_official 376:cb4d9db17537 126
mbed_official 376:cb4d9db17537 127 /**
mbed_official 376:cb4d9db17537 128 * @brief Enters the Low Power Run mode.
mbed_official 376:cb4d9db17537 129 * @note Low power run mode can only be entered when VCORE is in range 2.
mbed_official 376:cb4d9db17537 130 * In addition, the dynamic voltage scaling must not be used when Low
mbed_official 376:cb4d9db17537 131 * power run mode is selected. Only Stop and Sleep modes with regulator
mbed_official 376:cb4d9db17537 132 * configured in Low power mode is allowed when Low power run mode is
mbed_official 376:cb4d9db17537 133 * selected.
mbed_official 376:cb4d9db17537 134 * @note In Low power run mode, all I/O pins keep the same state as in Run mode.
mbed_official 376:cb4d9db17537 135 * @param None
mbed_official 376:cb4d9db17537 136 * @retval None
mbed_official 376:cb4d9db17537 137 */
mbed_official 376:cb4d9db17537 138 void HAL_PWREx_EnableLowPowerRunMode(void)
mbed_official 376:cb4d9db17537 139 {
mbed_official 376:cb4d9db17537 140 /* Enters the Low Power Run mode */
mbed_official 376:cb4d9db17537 141 PWR->CR |= PWR_CR_LPSDSR;
mbed_official 376:cb4d9db17537 142 PWR->CR |= PWR_CR_LPRUN;
mbed_official 376:cb4d9db17537 143 }
mbed_official 376:cb4d9db17537 144
mbed_official 376:cb4d9db17537 145 /**
mbed_official 376:cb4d9db17537 146 * @brief Exits the Low Power Run mode.
mbed_official 376:cb4d9db17537 147 * @param None
mbed_official 376:cb4d9db17537 148 * @retval None
mbed_official 376:cb4d9db17537 149 */
mbed_official 376:cb4d9db17537 150 void HAL_PWREx_DisableLowPowerRunMode(void)
mbed_official 376:cb4d9db17537 151 {
mbed_official 376:cb4d9db17537 152 /* Exits the Low Power Run mode */
mbed_official 376:cb4d9db17537 153 PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_LPRUN);
mbed_official 376:cb4d9db17537 154 PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_LPSDSR);
mbed_official 376:cb4d9db17537 155 }
mbed_official 376:cb4d9db17537 156
mbed_official 376:cb4d9db17537 157 /**
mbed_official 376:cb4d9db17537 158 * @}
mbed_official 376:cb4d9db17537 159 */
mbed_official 376:cb4d9db17537 160
mbed_official 376:cb4d9db17537 161 /**
mbed_official 376:cb4d9db17537 162 * @}
mbed_official 376:cb4d9db17537 163 */
mbed_official 376:cb4d9db17537 164
mbed_official 376:cb4d9db17537 165 #endif /* HAL_PWR_MODULE_ENABLED */
mbed_official 376:cb4d9db17537 166 /**
mbed_official 376:cb4d9db17537 167 * @}
mbed_official 376:cb4d9db17537 168 */
mbed_official 376:cb4d9db17537 169
mbed_official 376:cb4d9db17537 170 /**
mbed_official 376:cb4d9db17537 171 * @}
mbed_official 376:cb4d9db17537 172 */
mbed_official 376:cb4d9db17537 173
mbed_official 376:cb4d9db17537 174 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/