mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
Diff: targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_pwr_ex.c
- Revision:
- 181:a4cbdfbbd2f4
diff -r 097147d37470 -r a4cbdfbbd2f4 targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_pwr_ex.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_pwr_ex.c Wed May 07 13:15:08 2014 +0100 @@ -0,0 +1,174 @@ +/** + ****************************************************************************** + * @file stm32l0xx_hal_pwr_ex.c + * @author MCD Application Team + * @version V1.0.0 + * @date 22-April-2014 + * @brief Extended PWR HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the Power Controller (PWR) peripheral: + * + Extended Initialization and de-initialization functions + * + Extended Peripheral Control functions + * + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions 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 its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "stm32l0xx_hal.h" + +/** @addtogroup STM32L0xx_HAL_Driver + * @{ + */ + +/** @defgroup PWREx + * @brief PWR HAL module driver + * @{ + */ + +#ifdef HAL_PWR_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup PWREx_Private_Functions + * @{ + */ + +/** @defgroup PWREx_Group1 Peripheral Extended features functions + * @brief Low Power modes configuration functions + * +@verbatim + + =============================================================================== + ##### Peripheral extended features functions ##### + =============================================================================== +@endverbatim + * @{ + */ + +/** + * @brief Enables the Fast WakeUp from Ultra Low Power mode. + * @note This bit works in conjunction with ULP bit. + * Means, when ULP = 1 and FWU = 1 :VREFINT startup time is ignored when + * exiting from low power mode. + * @param None + * @retval None + */ +void HAL_PWREx_EnableFastWakeUp(void) +{ + /* Enable the fast wake up */ + PWR->CR |= PWR_CR_FWU; +} + +/** + * @brief Disables the Fast WakeUp from Ultra Low Power mode. + * @param None + * @retval None + */ +void HAL_PWREx_DisableFastWakeUp(void) +{ + /* Disable the fast wake up */ + PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_FWU); +} + +/** + * @brief Enables the Ultra Low Power mode + * @param None + * @retval None + */ +void HAL_PWREx_EnableUltraLowPower(void) +{ + /* Enable the Ultra Low Power mode */ + PWR->CR |= PWR_CR_ULP; +} + +/** + * @brief Disables the Ultra Low Power mode + * @param None + * @retval None + */ +void HAL_PWREx_DisableUltraLowPower(void) +{ + /* Disable the Ultra Low Power mode */ + PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_ULP); +} + +/** + * @brief Enters the Low Power Run mode. + * @note Low power run mode can only be entered when VCORE is in range 2. + * In addition, the dynamic voltage scaling must not be used when Low + * power run mode is selected. Only Stop and Sleep modes with regulator + * configured in Low power mode is allowed when Low power run mode is + * selected. + * @note In Low power run mode, all I/O pins keep the same state as in Run mode. + * @param None + * @retval None + */ +void HAL_PWREx_EnableLowPowerRunMode(void) +{ + /* Enters the Low Power Run mode */ + PWR->CR |= PWR_CR_LPSDSR; + PWR->CR |= PWR_CR_LPRUN; +} + +/** + * @brief Exits the Low Power Run mode. + * @param None + * @retval None + */ +void HAL_PWREx_DisableLowPowerRunMode(void) +{ + /* Exits the Low Power Run mode */ + PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_LPRUN); + PWR->CR &= (uint32_t)~((uint32_t)PWR_CR_LPSDSR); +} + +/** + * @} + */ + +/** + * @} + */ + +#endif /* HAL_PWR_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/