shao ziyang / mbed-src-kl05

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targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_pwr_ex.c@323:9e901b0a5aa1, 2014-09-13 (annotated)

Committer:
shaoziyang
Date:
Sat Sep 13 14:25:46 2014 +0000
Revision:
323:9e901b0a5aa1
Parent:
181:a4cbdfbbd2f4 
test with CLOCK_SETUP = 0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 181:a4cbdfbbd2f4 1 /**
mbed_official 181:a4cbdfbbd2f4 2 ******************************************************************************
mbed_official 181:a4cbdfbbd2f4 3 * @file stm32l0xx_hal_pwr_ex.c
mbed_official 181:a4cbdfbbd2f4 4 * @author MCD Application Team
mbed_official 181:a4cbdfbbd2f4 5 * @version V1.0.0
mbed_official 181:a4cbdfbbd2f4 6 * @date 22-April-2014
mbed_official 181:a4cbdfbbd2f4 7 * @brief Extended PWR HAL module driver.
mbed_official 181:a4cbdfbbd2f4 8 * This file provides firmware functions to manage the following
mbed_official 181:a4cbdfbbd2f4 9 * functionalities of the Power Controller (PWR) peripheral:
mbed_official 181:a4cbdfbbd2f4 10 * + Extended Initialization and de-initialization functions
mbed_official 181:a4cbdfbbd2f4 11 * + Extended Peripheral Control functions
mbed_official 181:a4cbdfbbd2f4 12 *
mbed_official 181:a4cbdfbbd2f4 13 ******************************************************************************
mbed_official 181:a4cbdfbbd2f4 14 * @attention
mbed_official 181:a4cbdfbbd2f4 15 *
mbed_official 181:a4cbdfbbd2f4 16 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
mbed_official 181:a4cbdfbbd2f4 17 *
mbed_official 181:a4cbdfbbd2f4 18 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 181:a4cbdfbbd2f4 19 * are permitted provided that the following conditions are met:
mbed_official 181:a4cbdfbbd2f4 20 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 181:a4cbdfbbd2f4 21 * this list of conditions and the following disclaimer.
mbed_official 181:a4cbdfbbd2f4 22 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 181:a4cbdfbbd2f4 23 * this list of conditions and the following disclaimer in the documentation
mbed_official 181:a4cbdfbbd2f4 24 * and/or other materials provided with the distribution.
mbed_official 181:a4cbdfbbd2f4 25 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 181:a4cbdfbbd2f4 26 * may be used to endorse or promote products derived from this software
mbed_official 181:a4cbdfbbd2f4 27 * without specific prior written permission.
mbed_official 181:a4cbdfbbd2f4 28 *
mbed_official 181:a4cbdfbbd2f4 29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 181:a4cbdfbbd2f4 30 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 181:a4cbdfbbd2f4 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 181:a4cbdfbbd2f4 32 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 181:a4cbdfbbd2f4 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 181:a4cbdfbbd2f4 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 181:a4cbdfbbd2f4 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 181:a4cbdfbbd2f4 36 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 181:a4cbdfbbd2f4 37 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 181:a4cbdfbbd2f4 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 181:a4cbdfbbd2f4 39 *
mbed_official 181:a4cbdfbbd2f4 40 ******************************************************************************
mbed_official 181:a4cbdfbbd2f4 41 */
mbed_official 181:a4cbdfbbd2f4 42
mbed_official 181:a4cbdfbbd2f4 43 /* Includes ------------------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 44 #include "stm32l0xx_hal.h"
mbed_official 181:a4cbdfbbd2f4 45
mbed_official 181:a4cbdfbbd2f4 46 /** @addtogroup STM32L0xx_HAL_Driver
mbed_official 181:a4cbdfbbd2f4 47 * @{
mbed_official 181:a4cbdfbbd2f4 48 */
mbed_official 181:a4cbdfbbd2f4 49
mbed_official 181:a4cbdfbbd2f4 50 /** @defgroup PWREx
mbed_official 181:a4cbdfbbd2f4 51 * @brief PWR HAL module driver
mbed_official 181:a4cbdfbbd2f4 52 * @{
mbed_official 181:a4cbdfbbd2f4 53 */
mbed_official 181:a4cbdfbbd2f4 54
mbed_official 181:a4cbdfbbd2f4 55 #ifdef HAL_PWR_MODULE_ENABLED
mbed_official 181:a4cbdfbbd2f4 56
mbed_official 181:a4cbdfbbd2f4 57 /* Private typedef -----------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 58 /* Private define ------------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 59 /* Private macro -------------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 60 /* Private variables ---------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 61 /* Private function prototypes -----------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 62 /* Private functions ---------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 63
mbed_official 181:a4cbdfbbd2f4 64 /** @defgroup PWREx_Private_Functions
mbed_official 181:a4cbdfbbd2f4 65 * @{
mbed_official 181:a4cbdfbbd2f4 66 */
mbed_official 181:a4cbdfbbd2f4 67
mbed_official 181:a4cbdfbbd2f4 68 /** @defgroup PWREx_Group1 Peripheral Extended features functions
mbed_official 181:a4cbdfbbd2f4 69 * @brief Low Power modes configuration functions
mbed_official 181:a4cbdfbbd2f4 70 *
mbed_official 181:a4cbdfbbd2f4 71 @verbatim
mbed_official 181:a4cbdfbbd2f4 72
mbed_official 181:a4cbdfbbd2f4 73 ===============================================================================
mbed_official 181:a4cbdfbbd2f4 74 ##### Peripheral extended features functions #####
mbed_official 181:a4cbdfbbd2f4 75 ===============================================================================
mbed_official 181:a4cbdfbbd2f4 76 @endverbatim
mbed_official 181:a4cbdfbbd2f4 77 * @{
mbed_official 181:a4cbdfbbd2f4 78 */
mbed_official 181:a4cbdfbbd2f4 79
mbed_official 181:a4cbdfbbd2f4 80 /**
mbed_official 181:a4cbdfbbd2f4 81 * @brief Enables the Fast WakeUp from Ultra Low Power mode.
mbed_official 181:a4cbdfbbd2f4 82 * @note This bit works in conjunction with ULP bit.
mbed_official 181:a4cbdfbbd2f4 83 * Means, when ULP = 1 and FWU = 1 :VREFINT startup time is ignored when
mbed_official 181:a4cbdfbbd2f4 84 * exiting from low power mode.
mbed_official 181:a4cbdfbbd2f4 85 * @param None
mbed_official 181:a4cbdfbbd2f4 86 * @retval None
mbed_official 181:a4cbdfbbd2f4 87 */
mbed_official 181:a4cbdfbbd2f4 88 void HAL_PWREx_EnableFastWakeUp(void)
mbed_official 181:a4cbdfbbd2f4 89 {
mbed_official 181:a4cbdfbbd2f4 90 /* Enable the fast wake up */
mbed_official 181:a4cbdfbbd2f4 91 PWR->CR |= PWR_CR_FWU;
mbed_official 181:a4cbdfbbd2f4 92 }
mbed_official 181:a4cbdfbbd2f4 93
mbed_official 181:a4cbdfbbd2f4 94 /**
mbed_official 181:a4cbdfbbd2f4 95 * @brief Disables the Fast WakeUp from Ultra Low Power mode.
mbed_official 181:a4cbdfbbd2f4 96 * @param None
mbed_official 181:a4cbdfbbd2f4 97 * @retval None
mbed_official 181:a4cbdfbbd2f4 98 */
mbed_official 181:a4cbdfbbd2f4 99 void HAL_PWREx_DisableFastWakeUp(void)
mbed_official 181:a4cbdfbbd2f4 100 {
mbed_official 181:a4cbdfbbd2f4 101 /* Disable the fast wake up */
mbed_official 181:a4cbdfbbd2f4 102 PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_FWU);
mbed_official 181:a4cbdfbbd2f4 103 }
mbed_official 181:a4cbdfbbd2f4 104
mbed_official 181:a4cbdfbbd2f4 105 /**
mbed_official 181:a4cbdfbbd2f4 106 * @brief Enables the Ultra Low Power mode
mbed_official 181:a4cbdfbbd2f4 107 * @param None
mbed_official 181:a4cbdfbbd2f4 108 * @retval None
mbed_official 181:a4cbdfbbd2f4 109 */
mbed_official 181:a4cbdfbbd2f4 110 void HAL_PWREx_EnableUltraLowPower(void)
mbed_official 181:a4cbdfbbd2f4 111 {
mbed_official 181:a4cbdfbbd2f4 112 /* Enable the Ultra Low Power mode */
mbed_official 181:a4cbdfbbd2f4 113 PWR->CR |= PWR_CR_ULP;
mbed_official 181:a4cbdfbbd2f4 114 }
mbed_official 181:a4cbdfbbd2f4 115
mbed_official 181:a4cbdfbbd2f4 116 /**
mbed_official 181:a4cbdfbbd2f4 117 * @brief Disables the Ultra Low Power mode
mbed_official 181:a4cbdfbbd2f4 118 * @param None
mbed_official 181:a4cbdfbbd2f4 119 * @retval None
mbed_official 181:a4cbdfbbd2f4 120 */
mbed_official 181:a4cbdfbbd2f4 121 void HAL_PWREx_DisableUltraLowPower(void)
mbed_official 181:a4cbdfbbd2f4 122 {
mbed_official 181:a4cbdfbbd2f4 123 /* Disable the Ultra Low Power mode */
mbed_official 181:a4cbdfbbd2f4 124 PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_ULP);
mbed_official 181:a4cbdfbbd2f4 125 }
mbed_official 181:a4cbdfbbd2f4 126
mbed_official 181:a4cbdfbbd2f4 127 /**
mbed_official 181:a4cbdfbbd2f4 128 * @brief Enters the Low Power Run mode.
mbed_official 181:a4cbdfbbd2f4 129 * @note Low power run mode can only be entered when VCORE is in range 2.
mbed_official 181:a4cbdfbbd2f4 130 * In addition, the dynamic voltage scaling must not be used when Low
mbed_official 181:a4cbdfbbd2f4 131 * power run mode is selected. Only Stop and Sleep modes with regulator
mbed_official 181:a4cbdfbbd2f4 132 * configured in Low power mode is allowed when Low power run mode is
mbed_official 181:a4cbdfbbd2f4 133 * selected.
mbed_official 181:a4cbdfbbd2f4 134 * @note In Low power run mode, all I/O pins keep the same state as in Run mode.
mbed_official 181:a4cbdfbbd2f4 135 * @param None
mbed_official 181:a4cbdfbbd2f4 136 * @retval None
mbed_official 181:a4cbdfbbd2f4 137 */
mbed_official 181:a4cbdfbbd2f4 138 void HAL_PWREx_EnableLowPowerRunMode(void)
mbed_official 181:a4cbdfbbd2f4 139 {
mbed_official 181:a4cbdfbbd2f4 140 /* Enters the Low Power Run mode */
mbed_official 181:a4cbdfbbd2f4 141 PWR->CR |= PWR_CR_LPSDSR;
mbed_official 181:a4cbdfbbd2f4 142 PWR->CR |= PWR_CR_LPRUN;
mbed_official 181:a4cbdfbbd2f4 143 }
mbed_official 181:a4cbdfbbd2f4 144
mbed_official 181:a4cbdfbbd2f4 145 /**
mbed_official 181:a4cbdfbbd2f4 146 * @brief Exits the Low Power Run mode.
mbed_official 181:a4cbdfbbd2f4 147 * @param None
mbed_official 181:a4cbdfbbd2f4 148 * @retval None
mbed_official 181:a4cbdfbbd2f4 149 */
mbed_official 181:a4cbdfbbd2f4 150 void HAL_PWREx_DisableLowPowerRunMode(void)
mbed_official 181:a4cbdfbbd2f4 151 {
mbed_official 181:a4cbdfbbd2f4 152 /* Exits the Low Power Run mode */
mbed_official 181:a4cbdfbbd2f4 153 PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_LPRUN);
mbed_official 181:a4cbdfbbd2f4 154 PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_LPSDSR);
mbed_official 181:a4cbdfbbd2f4 155 }
mbed_official 181:a4cbdfbbd2f4 156
mbed_official 181:a4cbdfbbd2f4 157 /**
mbed_official 181:a4cbdfbbd2f4 158 * @}
mbed_official 181:a4cbdfbbd2f4 159 */
mbed_official 181:a4cbdfbbd2f4 160
mbed_official 181:a4cbdfbbd2f4 161 /**
mbed_official 181:a4cbdfbbd2f4 162 * @}
mbed_official 181:a4cbdfbbd2f4 163 */
mbed_official 181:a4cbdfbbd2f4 164
mbed_official 181:a4cbdfbbd2f4 165 #endif /* HAL_PWR_MODULE_ENABLED */
mbed_official 181:a4cbdfbbd2f4 166 /**
mbed_official 181:a4cbdfbbd2f4 167 * @}
mbed_official 181:a4cbdfbbd2f4 168 */
mbed_official 181:a4cbdfbbd2f4 169
mbed_official 181:a4cbdfbbd2f4 170 /**
mbed_official 181:a4cbdfbbd2f4 171 * @}
mbed_official 181:a4cbdfbbd2f4 172 */
mbed_official 181:a4cbdfbbd2f4 173
mbed_official 181:a4cbdfbbd2f4 174 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/