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targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_pwr_ex.c@0:e87aa4c49e95, 2019-06-04 (annotated)
- Committer:
- phungductung
- Date:
- Tue Jun 04 21:51:46 2019 +0000
- Revision:
- 0:e87aa4c49e95
libray
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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phungductung | 0:e87aa4c49e95 | 1 | /** |
phungductung | 0:e87aa4c49e95 | 2 | ****************************************************************************** |
phungductung | 0:e87aa4c49e95 | 3 | * @file stm32f7xx_hal_pwr_ex.c |
phungductung | 0:e87aa4c49e95 | 4 | * @author MCD Application Team |
phungductung | 0:e87aa4c49e95 | 5 | * @version V1.0.4 |
phungductung | 0:e87aa4c49e95 | 6 | * @date 09-December-2015 |
phungductung | 0:e87aa4c49e95 | 7 | * @brief Extended PWR HAL module driver. |
phungductung | 0:e87aa4c49e95 | 8 | * This file provides firmware functions to manage the following |
phungductung | 0:e87aa4c49e95 | 9 | * functionalities of PWR extension peripheral: |
phungductung | 0:e87aa4c49e95 | 10 | * + Peripheral Extended features functions |
phungductung | 0:e87aa4c49e95 | 11 | * |
phungductung | 0:e87aa4c49e95 | 12 | ****************************************************************************** |
phungductung | 0:e87aa4c49e95 | 13 | * @attention |
phungductung | 0:e87aa4c49e95 | 14 | * |
phungductung | 0:e87aa4c49e95 | 15 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
phungductung | 0:e87aa4c49e95 | 16 | * |
phungductung | 0:e87aa4c49e95 | 17 | * Redistribution and use in source and binary forms, with or without modification, |
phungductung | 0:e87aa4c49e95 | 18 | * are permitted provided that the following conditions are met: |
phungductung | 0:e87aa4c49e95 | 19 | * 1. Redistributions of source code must retain the above copyright notice, |
phungductung | 0:e87aa4c49e95 | 20 | * this list of conditions and the following disclaimer. |
phungductung | 0:e87aa4c49e95 | 21 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
phungductung | 0:e87aa4c49e95 | 22 | * this list of conditions and the following disclaimer in the documentation |
phungductung | 0:e87aa4c49e95 | 23 | * and/or other materials provided with the distribution. |
phungductung | 0:e87aa4c49e95 | 24 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
phungductung | 0:e87aa4c49e95 | 25 | * may be used to endorse or promote products derived from this software |
phungductung | 0:e87aa4c49e95 | 26 | * without specific prior written permission. |
phungductung | 0:e87aa4c49e95 | 27 | * |
phungductung | 0:e87aa4c49e95 | 28 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
phungductung | 0:e87aa4c49e95 | 29 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
phungductung | 0:e87aa4c49e95 | 30 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
phungductung | 0:e87aa4c49e95 | 31 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
phungductung | 0:e87aa4c49e95 | 32 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
phungductung | 0:e87aa4c49e95 | 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
phungductung | 0:e87aa4c49e95 | 34 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
phungductung | 0:e87aa4c49e95 | 35 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
phungductung | 0:e87aa4c49e95 | 36 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
phungductung | 0:e87aa4c49e95 | 37 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
phungductung | 0:e87aa4c49e95 | 38 | * |
phungductung | 0:e87aa4c49e95 | 39 | ****************************************************************************** |
phungductung | 0:e87aa4c49e95 | 40 | */ |
phungductung | 0:e87aa4c49e95 | 41 | |
phungductung | 0:e87aa4c49e95 | 42 | /* Includes ------------------------------------------------------------------*/ |
phungductung | 0:e87aa4c49e95 | 43 | #include "stm32f7xx_hal.h" |
phungductung | 0:e87aa4c49e95 | 44 | |
phungductung | 0:e87aa4c49e95 | 45 | /** @addtogroup STM32F7xx_HAL_Driver |
phungductung | 0:e87aa4c49e95 | 46 | * @{ |
phungductung | 0:e87aa4c49e95 | 47 | */ |
phungductung | 0:e87aa4c49e95 | 48 | |
phungductung | 0:e87aa4c49e95 | 49 | /** @defgroup PWREx PWREx |
phungductung | 0:e87aa4c49e95 | 50 | * @brief PWR HAL module driver |
phungductung | 0:e87aa4c49e95 | 51 | * @{ |
phungductung | 0:e87aa4c49e95 | 52 | */ |
phungductung | 0:e87aa4c49e95 | 53 | |
phungductung | 0:e87aa4c49e95 | 54 | #ifdef HAL_PWR_MODULE_ENABLED |
phungductung | 0:e87aa4c49e95 | 55 | |
phungductung | 0:e87aa4c49e95 | 56 | /* Private typedef -----------------------------------------------------------*/ |
phungductung | 0:e87aa4c49e95 | 57 | /* Private define ------------------------------------------------------------*/ |
phungductung | 0:e87aa4c49e95 | 58 | /** @addtogroup PWREx_Private_Constants |
phungductung | 0:e87aa4c49e95 | 59 | * @{ |
phungductung | 0:e87aa4c49e95 | 60 | */ |
phungductung | 0:e87aa4c49e95 | 61 | #define PWR_OVERDRIVE_TIMEOUT_VALUE 1000 |
phungductung | 0:e87aa4c49e95 | 62 | #define PWR_UDERDRIVE_TIMEOUT_VALUE 1000 |
phungductung | 0:e87aa4c49e95 | 63 | #define PWR_BKPREG_TIMEOUT_VALUE 1000 |
phungductung | 0:e87aa4c49e95 | 64 | #define PWR_VOSRDY_TIMEOUT_VALUE 1000 |
phungductung | 0:e87aa4c49e95 | 65 | /** |
phungductung | 0:e87aa4c49e95 | 66 | * @} |
phungductung | 0:e87aa4c49e95 | 67 | */ |
phungductung | 0:e87aa4c49e95 | 68 | |
phungductung | 0:e87aa4c49e95 | 69 | /* Private macro -------------------------------------------------------------*/ |
phungductung | 0:e87aa4c49e95 | 70 | /* Private variables ---------------------------------------------------------*/ |
phungductung | 0:e87aa4c49e95 | 71 | /* Private function prototypes -----------------------------------------------*/ |
phungductung | 0:e87aa4c49e95 | 72 | /* Private functions ---------------------------------------------------------*/ |
phungductung | 0:e87aa4c49e95 | 73 | /** @defgroup PWREx_Exported_Functions PWREx Exported Functions |
phungductung | 0:e87aa4c49e95 | 74 | * @{ |
phungductung | 0:e87aa4c49e95 | 75 | */ |
phungductung | 0:e87aa4c49e95 | 76 | |
phungductung | 0:e87aa4c49e95 | 77 | /** @defgroup PWREx_Exported_Functions_Group1 Peripheral Extended features functions |
phungductung | 0:e87aa4c49e95 | 78 | * @brief Peripheral Extended features functions |
phungductung | 0:e87aa4c49e95 | 79 | * |
phungductung | 0:e87aa4c49e95 | 80 | @verbatim |
phungductung | 0:e87aa4c49e95 | 81 | |
phungductung | 0:e87aa4c49e95 | 82 | =============================================================================== |
phungductung | 0:e87aa4c49e95 | 83 | ##### Peripheral extended features functions ##### |
phungductung | 0:e87aa4c49e95 | 84 | =============================================================================== |
phungductung | 0:e87aa4c49e95 | 85 | |
phungductung | 0:e87aa4c49e95 | 86 | *** Main and Backup Regulators configuration *** |
phungductung | 0:e87aa4c49e95 | 87 | ================================================ |
phungductung | 0:e87aa4c49e95 | 88 | [..] |
phungductung | 0:e87aa4c49e95 | 89 | (+) The backup domain includes 4 Kbytes of backup SRAM accessible only from |
phungductung | 0:e87aa4c49e95 | 90 | the CPU, and address in 32-bit, 16-bit or 8-bit mode. Its content is |
phungductung | 0:e87aa4c49e95 | 91 | retained even in Standby or VBAT mode when the low power backup regulator |
phungductung | 0:e87aa4c49e95 | 92 | is enabled. It can be considered as an internal EEPROM when VBAT is |
phungductung | 0:e87aa4c49e95 | 93 | always present. You can use the HAL_PWREx_EnableBkUpReg() function to |
phungductung | 0:e87aa4c49e95 | 94 | enable the low power backup regulator. |
phungductung | 0:e87aa4c49e95 | 95 | |
phungductung | 0:e87aa4c49e95 | 96 | (+) When the backup domain is supplied by VDD (analog switch connected to VDD) |
phungductung | 0:e87aa4c49e95 | 97 | the backup SRAM is powered from VDD which replaces the VBAT power supply to |
phungductung | 0:e87aa4c49e95 | 98 | save battery life. |
phungductung | 0:e87aa4c49e95 | 99 | |
phungductung | 0:e87aa4c49e95 | 100 | (+) The backup SRAM is not mass erased by a tamper event. It is read |
phungductung | 0:e87aa4c49e95 | 101 | protected to prevent confidential data, such as cryptographic private |
phungductung | 0:e87aa4c49e95 | 102 | key, from being accessed. The backup SRAM can be erased only through |
phungductung | 0:e87aa4c49e95 | 103 | the Flash interface when a protection level change from level 1 to |
phungductung | 0:e87aa4c49e95 | 104 | level 0 is requested. |
phungductung | 0:e87aa4c49e95 | 105 | -@- Refer to the description of Read protection (RDP) in the Flash |
phungductung | 0:e87aa4c49e95 | 106 | programming manual. |
phungductung | 0:e87aa4c49e95 | 107 | |
phungductung | 0:e87aa4c49e95 | 108 | (+) The main internal regulator can be configured to have a tradeoff between |
phungductung | 0:e87aa4c49e95 | 109 | performance and power consumption when the device does not operate at |
phungductung | 0:e87aa4c49e95 | 110 | the maximum frequency. This is done through __HAL_PWR_MAINREGULATORMODE_CONFIG() |
phungductung | 0:e87aa4c49e95 | 111 | macro which configure VOS bit in PWR_CR register |
phungductung | 0:e87aa4c49e95 | 112 | |
phungductung | 0:e87aa4c49e95 | 113 | Refer to the product datasheets for more details. |
phungductung | 0:e87aa4c49e95 | 114 | |
phungductung | 0:e87aa4c49e95 | 115 | *** FLASH Power Down configuration **** |
phungductung | 0:e87aa4c49e95 | 116 | ======================================= |
phungductung | 0:e87aa4c49e95 | 117 | [..] |
phungductung | 0:e87aa4c49e95 | 118 | (+) By setting the FPDS bit in the PWR_CR register by using the |
phungductung | 0:e87aa4c49e95 | 119 | HAL_PWREx_EnableFlashPowerDown() function, the Flash memory also enters power |
phungductung | 0:e87aa4c49e95 | 120 | down mode when the device enters Stop mode. When the Flash memory |
phungductung | 0:e87aa4c49e95 | 121 | is in power down mode, an additional startup delay is incurred when |
phungductung | 0:e87aa4c49e95 | 122 | waking up from Stop mode. |
phungductung | 0:e87aa4c49e95 | 123 | |
phungductung | 0:e87aa4c49e95 | 124 | *** Over-Drive and Under-Drive configuration **** |
phungductung | 0:e87aa4c49e95 | 125 | ================================================= |
phungductung | 0:e87aa4c49e95 | 126 | [..] |
phungductung | 0:e87aa4c49e95 | 127 | (+) In Run mode: the main regulator has 2 operating modes available: |
phungductung | 0:e87aa4c49e95 | 128 | (++) Normal mode: The CPU and core logic operate at maximum frequency at a given |
phungductung | 0:e87aa4c49e95 | 129 | voltage scaling (scale 1, scale 2 or scale 3) |
phungductung | 0:e87aa4c49e95 | 130 | (++) Over-drive mode: This mode allows the CPU and the core logic to operate at a |
phungductung | 0:e87aa4c49e95 | 131 | higher frequency than the normal mode for a given voltage scaling (scale 1, |
phungductung | 0:e87aa4c49e95 | 132 | scale 2 or scale 3). This mode is enabled through HAL_PWREx_EnableOverDrive() function and |
phungductung | 0:e87aa4c49e95 | 133 | disabled by HAL_PWREx_DisableOverDrive() function, to enter or exit from Over-drive mode please follow |
phungductung | 0:e87aa4c49e95 | 134 | the sequence described in Reference manual. |
phungductung | 0:e87aa4c49e95 | 135 | |
phungductung | 0:e87aa4c49e95 | 136 | (+) In Stop mode: the main regulator or low power regulator supplies a low power |
phungductung | 0:e87aa4c49e95 | 137 | voltage to the 1.2V domain, thus preserving the content of registers |
phungductung | 0:e87aa4c49e95 | 138 | and internal SRAM. 2 operating modes are available: |
phungductung | 0:e87aa4c49e95 | 139 | (++) Normal mode: the 1.2V domain is preserved in nominal leakage mode. This mode is only |
phungductung | 0:e87aa4c49e95 | 140 | available when the main regulator or the low power regulator is used in Scale 3 or |
phungductung | 0:e87aa4c49e95 | 141 | low voltage mode. |
phungductung | 0:e87aa4c49e95 | 142 | (++) Under-drive mode: the 1.2V domain is preserved in reduced leakage mode. This mode is only |
phungductung | 0:e87aa4c49e95 | 143 | available when the main regulator or the low power regulator is in low voltage mode. |
phungductung | 0:e87aa4c49e95 | 144 | |
phungductung | 0:e87aa4c49e95 | 145 | @endverbatim |
phungductung | 0:e87aa4c49e95 | 146 | * @{ |
phungductung | 0:e87aa4c49e95 | 147 | */ |
phungductung | 0:e87aa4c49e95 | 148 | |
phungductung | 0:e87aa4c49e95 | 149 | /** |
phungductung | 0:e87aa4c49e95 | 150 | * @brief Enables the Backup Regulator. |
phungductung | 0:e87aa4c49e95 | 151 | * @retval HAL status |
phungductung | 0:e87aa4c49e95 | 152 | */ |
phungductung | 0:e87aa4c49e95 | 153 | HAL_StatusTypeDef HAL_PWREx_EnableBkUpReg(void) |
phungductung | 0:e87aa4c49e95 | 154 | { |
phungductung | 0:e87aa4c49e95 | 155 | uint32_t tickstart = 0; |
phungductung | 0:e87aa4c49e95 | 156 | |
phungductung | 0:e87aa4c49e95 | 157 | /* Enable Backup regulator */ |
phungductung | 0:e87aa4c49e95 | 158 | PWR->CSR1 |= PWR_CSR1_BRE; |
phungductung | 0:e87aa4c49e95 | 159 | |
phungductung | 0:e87aa4c49e95 | 160 | /* Get tick */ |
phungductung | 0:e87aa4c49e95 | 161 | tickstart = HAL_GetTick(); |
phungductung | 0:e87aa4c49e95 | 162 | |
phungductung | 0:e87aa4c49e95 | 163 | /* Wait till Backup regulator ready flag is set */ |
phungductung | 0:e87aa4c49e95 | 164 | while(__HAL_PWR_GET_FLAG(PWR_FLAG_BRR) == RESET) |
phungductung | 0:e87aa4c49e95 | 165 | { |
phungductung | 0:e87aa4c49e95 | 166 | if((HAL_GetTick() - tickstart ) > PWR_BKPREG_TIMEOUT_VALUE) |
phungductung | 0:e87aa4c49e95 | 167 | { |
phungductung | 0:e87aa4c49e95 | 168 | return HAL_TIMEOUT; |
phungductung | 0:e87aa4c49e95 | 169 | } |
phungductung | 0:e87aa4c49e95 | 170 | } |
phungductung | 0:e87aa4c49e95 | 171 | return HAL_OK; |
phungductung | 0:e87aa4c49e95 | 172 | } |
phungductung | 0:e87aa4c49e95 | 173 | |
phungductung | 0:e87aa4c49e95 | 174 | /** |
phungductung | 0:e87aa4c49e95 | 175 | * @brief Disables the Backup Regulator. |
phungductung | 0:e87aa4c49e95 | 176 | * @retval HAL status |
phungductung | 0:e87aa4c49e95 | 177 | */ |
phungductung | 0:e87aa4c49e95 | 178 | HAL_StatusTypeDef HAL_PWREx_DisableBkUpReg(void) |
phungductung | 0:e87aa4c49e95 | 179 | { |
phungductung | 0:e87aa4c49e95 | 180 | uint32_t tickstart = 0; |
phungductung | 0:e87aa4c49e95 | 181 | |
phungductung | 0:e87aa4c49e95 | 182 | /* Disable Backup regulator */ |
phungductung | 0:e87aa4c49e95 | 183 | PWR->CSR1 &= (uint32_t)~((uint32_t)PWR_CSR1_BRE); |
phungductung | 0:e87aa4c49e95 | 184 | |
phungductung | 0:e87aa4c49e95 | 185 | /* Get tick */ |
phungductung | 0:e87aa4c49e95 | 186 | tickstart = HAL_GetTick(); |
phungductung | 0:e87aa4c49e95 | 187 | |
phungductung | 0:e87aa4c49e95 | 188 | /* Wait till Backup regulator ready flag is set */ |
phungductung | 0:e87aa4c49e95 | 189 | while(__HAL_PWR_GET_FLAG(PWR_FLAG_BRR) != RESET) |
phungductung | 0:e87aa4c49e95 | 190 | { |
phungductung | 0:e87aa4c49e95 | 191 | if((HAL_GetTick() - tickstart ) > PWR_BKPREG_TIMEOUT_VALUE) |
phungductung | 0:e87aa4c49e95 | 192 | { |
phungductung | 0:e87aa4c49e95 | 193 | return HAL_TIMEOUT; |
phungductung | 0:e87aa4c49e95 | 194 | } |
phungductung | 0:e87aa4c49e95 | 195 | } |
phungductung | 0:e87aa4c49e95 | 196 | return HAL_OK; |
phungductung | 0:e87aa4c49e95 | 197 | } |
phungductung | 0:e87aa4c49e95 | 198 | |
phungductung | 0:e87aa4c49e95 | 199 | /** |
phungductung | 0:e87aa4c49e95 | 200 | * @brief Enables the Flash Power Down in Stop mode. |
phungductung | 0:e87aa4c49e95 | 201 | * @retval None |
phungductung | 0:e87aa4c49e95 | 202 | */ |
phungductung | 0:e87aa4c49e95 | 203 | void HAL_PWREx_EnableFlashPowerDown(void) |
phungductung | 0:e87aa4c49e95 | 204 | { |
phungductung | 0:e87aa4c49e95 | 205 | /* Enable the Flash Power Down */ |
phungductung | 0:e87aa4c49e95 | 206 | PWR->CR1 |= PWR_CR1_FPDS; |
phungductung | 0:e87aa4c49e95 | 207 | } |
phungductung | 0:e87aa4c49e95 | 208 | |
phungductung | 0:e87aa4c49e95 | 209 | /** |
phungductung | 0:e87aa4c49e95 | 210 | * @brief Disables the Flash Power Down in Stop mode. |
phungductung | 0:e87aa4c49e95 | 211 | * @retval None |
phungductung | 0:e87aa4c49e95 | 212 | */ |
phungductung | 0:e87aa4c49e95 | 213 | void HAL_PWREx_DisableFlashPowerDown(void) |
phungductung | 0:e87aa4c49e95 | 214 | { |
phungductung | 0:e87aa4c49e95 | 215 | /* Disable the Flash Power Down */ |
phungductung | 0:e87aa4c49e95 | 216 | PWR->CR1 &= (uint32_t)~((uint32_t)PWR_CR1_FPDS); |
phungductung | 0:e87aa4c49e95 | 217 | } |
phungductung | 0:e87aa4c49e95 | 218 | |
phungductung | 0:e87aa4c49e95 | 219 | /** |
phungductung | 0:e87aa4c49e95 | 220 | * @brief Enables Main Regulator low voltage mode. |
phungductung | 0:e87aa4c49e95 | 221 | * @retval None |
phungductung | 0:e87aa4c49e95 | 222 | */ |
phungductung | 0:e87aa4c49e95 | 223 | void HAL_PWREx_EnableMainRegulatorLowVoltage(void) |
phungductung | 0:e87aa4c49e95 | 224 | { |
phungductung | 0:e87aa4c49e95 | 225 | /* Enable Main regulator low voltage */ |
phungductung | 0:e87aa4c49e95 | 226 | PWR->CR1 |= PWR_CR1_MRUDS; |
phungductung | 0:e87aa4c49e95 | 227 | } |
phungductung | 0:e87aa4c49e95 | 228 | |
phungductung | 0:e87aa4c49e95 | 229 | /** |
phungductung | 0:e87aa4c49e95 | 230 | * @brief Disables Main Regulator low voltage mode. |
phungductung | 0:e87aa4c49e95 | 231 | * @retval None |
phungductung | 0:e87aa4c49e95 | 232 | */ |
phungductung | 0:e87aa4c49e95 | 233 | void HAL_PWREx_DisableMainRegulatorLowVoltage(void) |
phungductung | 0:e87aa4c49e95 | 234 | { |
phungductung | 0:e87aa4c49e95 | 235 | /* Disable Main regulator low voltage */ |
phungductung | 0:e87aa4c49e95 | 236 | PWR->CR1 &= (uint32_t)~((uint32_t)PWR_CR1_MRUDS); |
phungductung | 0:e87aa4c49e95 | 237 | } |
phungductung | 0:e87aa4c49e95 | 238 | |
phungductung | 0:e87aa4c49e95 | 239 | /** |
phungductung | 0:e87aa4c49e95 | 240 | * @brief Enables Low Power Regulator low voltage mode. |
phungductung | 0:e87aa4c49e95 | 241 | * @retval None |
phungductung | 0:e87aa4c49e95 | 242 | */ |
phungductung | 0:e87aa4c49e95 | 243 | void HAL_PWREx_EnableLowRegulatorLowVoltage(void) |
phungductung | 0:e87aa4c49e95 | 244 | { |
phungductung | 0:e87aa4c49e95 | 245 | /* Enable low power regulator */ |
phungductung | 0:e87aa4c49e95 | 246 | PWR->CR1 |= PWR_CR1_LPUDS; |
phungductung | 0:e87aa4c49e95 | 247 | } |
phungductung | 0:e87aa4c49e95 | 248 | |
phungductung | 0:e87aa4c49e95 | 249 | /** |
phungductung | 0:e87aa4c49e95 | 250 | * @brief Disables Low Power Regulator low voltage mode. |
phungductung | 0:e87aa4c49e95 | 251 | * @retval None |
phungductung | 0:e87aa4c49e95 | 252 | */ |
phungductung | 0:e87aa4c49e95 | 253 | void HAL_PWREx_DisableLowRegulatorLowVoltage(void) |
phungductung | 0:e87aa4c49e95 | 254 | { |
phungductung | 0:e87aa4c49e95 | 255 | /* Disable low power regulator */ |
phungductung | 0:e87aa4c49e95 | 256 | PWR->CR1 &= (uint32_t)~((uint32_t)PWR_CR1_LPUDS); |
phungductung | 0:e87aa4c49e95 | 257 | } |
phungductung | 0:e87aa4c49e95 | 258 | |
phungductung | 0:e87aa4c49e95 | 259 | /** |
phungductung | 0:e87aa4c49e95 | 260 | * @brief Activates the Over-Drive mode. |
phungductung | 0:e87aa4c49e95 | 261 | * @note This mode allows the CPU and the core logic to operate at a higher frequency |
phungductung | 0:e87aa4c49e95 | 262 | * than the normal mode for a given voltage scaling (scale 1, scale 2 or scale 3). |
phungductung | 0:e87aa4c49e95 | 263 | * @note It is recommended to enter or exit Over-drive mode when the application is not running |
phungductung | 0:e87aa4c49e95 | 264 | * critical tasks and when the system clock source is either HSI or HSE. |
phungductung | 0:e87aa4c49e95 | 265 | * During the Over-drive switch activation, no peripheral clocks should be enabled. |
phungductung | 0:e87aa4c49e95 | 266 | * The peripheral clocks must be enabled once the Over-drive mode is activated. |
phungductung | 0:e87aa4c49e95 | 267 | * @retval HAL status |
phungductung | 0:e87aa4c49e95 | 268 | */ |
phungductung | 0:e87aa4c49e95 | 269 | HAL_StatusTypeDef HAL_PWREx_EnableOverDrive(void) |
phungductung | 0:e87aa4c49e95 | 270 | { |
phungductung | 0:e87aa4c49e95 | 271 | uint32_t tickstart = 0; |
phungductung | 0:e87aa4c49e95 | 272 | |
phungductung | 0:e87aa4c49e95 | 273 | __HAL_RCC_PWR_CLK_ENABLE(); |
phungductung | 0:e87aa4c49e95 | 274 | |
phungductung | 0:e87aa4c49e95 | 275 | /* Enable the Over-drive to extend the clock frequency to 216 MHz */ |
phungductung | 0:e87aa4c49e95 | 276 | __HAL_PWR_OVERDRIVE_ENABLE(); |
phungductung | 0:e87aa4c49e95 | 277 | |
phungductung | 0:e87aa4c49e95 | 278 | /* Get tick */ |
phungductung | 0:e87aa4c49e95 | 279 | tickstart = HAL_GetTick(); |
phungductung | 0:e87aa4c49e95 | 280 | |
phungductung | 0:e87aa4c49e95 | 281 | while(!__HAL_PWR_GET_FLAG(PWR_FLAG_ODRDY)) |
phungductung | 0:e87aa4c49e95 | 282 | { |
phungductung | 0:e87aa4c49e95 | 283 | if((HAL_GetTick() - tickstart ) > PWR_OVERDRIVE_TIMEOUT_VALUE) |
phungductung | 0:e87aa4c49e95 | 284 | { |
phungductung | 0:e87aa4c49e95 | 285 | return HAL_TIMEOUT; |
phungductung | 0:e87aa4c49e95 | 286 | } |
phungductung | 0:e87aa4c49e95 | 287 | } |
phungductung | 0:e87aa4c49e95 | 288 | |
phungductung | 0:e87aa4c49e95 | 289 | /* Enable the Over-drive switch */ |
phungductung | 0:e87aa4c49e95 | 290 | __HAL_PWR_OVERDRIVESWITCHING_ENABLE(); |
phungductung | 0:e87aa4c49e95 | 291 | |
phungductung | 0:e87aa4c49e95 | 292 | /* Get tick */ |
phungductung | 0:e87aa4c49e95 | 293 | tickstart = HAL_GetTick(); |
phungductung | 0:e87aa4c49e95 | 294 | |
phungductung | 0:e87aa4c49e95 | 295 | while(!__HAL_PWR_GET_FLAG(PWR_FLAG_ODSWRDY)) |
phungductung | 0:e87aa4c49e95 | 296 | { |
phungductung | 0:e87aa4c49e95 | 297 | if((HAL_GetTick() - tickstart ) > PWR_OVERDRIVE_TIMEOUT_VALUE) |
phungductung | 0:e87aa4c49e95 | 298 | { |
phungductung | 0:e87aa4c49e95 | 299 | return HAL_TIMEOUT; |
phungductung | 0:e87aa4c49e95 | 300 | } |
phungductung | 0:e87aa4c49e95 | 301 | } |
phungductung | 0:e87aa4c49e95 | 302 | return HAL_OK; |
phungductung | 0:e87aa4c49e95 | 303 | } |
phungductung | 0:e87aa4c49e95 | 304 | |
phungductung | 0:e87aa4c49e95 | 305 | /** |
phungductung | 0:e87aa4c49e95 | 306 | * @brief Deactivates the Over-Drive mode. |
phungductung | 0:e87aa4c49e95 | 307 | * @note This mode allows the CPU and the core logic to operate at a higher frequency |
phungductung | 0:e87aa4c49e95 | 308 | * than the normal mode for a given voltage scaling (scale 1, scale 2 or scale 3). |
phungductung | 0:e87aa4c49e95 | 309 | * @note It is recommended to enter or exit Over-drive mode when the application is not running |
phungductung | 0:e87aa4c49e95 | 310 | * critical tasks and when the system clock source is either HSI or HSE. |
phungductung | 0:e87aa4c49e95 | 311 | * During the Over-drive switch activation, no peripheral clocks should be enabled. |
phungductung | 0:e87aa4c49e95 | 312 | * The peripheral clocks must be enabled once the Over-drive mode is activated. |
phungductung | 0:e87aa4c49e95 | 313 | * @retval HAL status |
phungductung | 0:e87aa4c49e95 | 314 | */ |
phungductung | 0:e87aa4c49e95 | 315 | HAL_StatusTypeDef HAL_PWREx_DisableOverDrive(void) |
phungductung | 0:e87aa4c49e95 | 316 | { |
phungductung | 0:e87aa4c49e95 | 317 | uint32_t tickstart = 0; |
phungductung | 0:e87aa4c49e95 | 318 | |
phungductung | 0:e87aa4c49e95 | 319 | __HAL_RCC_PWR_CLK_ENABLE(); |
phungductung | 0:e87aa4c49e95 | 320 | |
phungductung | 0:e87aa4c49e95 | 321 | /* Disable the Over-drive switch */ |
phungductung | 0:e87aa4c49e95 | 322 | __HAL_PWR_OVERDRIVESWITCHING_DISABLE(); |
phungductung | 0:e87aa4c49e95 | 323 | |
phungductung | 0:e87aa4c49e95 | 324 | /* Get tick */ |
phungductung | 0:e87aa4c49e95 | 325 | tickstart = HAL_GetTick(); |
phungductung | 0:e87aa4c49e95 | 326 | |
phungductung | 0:e87aa4c49e95 | 327 | while(__HAL_PWR_GET_FLAG(PWR_FLAG_ODSWRDY)) |
phungductung | 0:e87aa4c49e95 | 328 | { |
phungductung | 0:e87aa4c49e95 | 329 | if((HAL_GetTick() - tickstart ) > PWR_OVERDRIVE_TIMEOUT_VALUE) |
phungductung | 0:e87aa4c49e95 | 330 | { |
phungductung | 0:e87aa4c49e95 | 331 | return HAL_TIMEOUT; |
phungductung | 0:e87aa4c49e95 | 332 | } |
phungductung | 0:e87aa4c49e95 | 333 | } |
phungductung | 0:e87aa4c49e95 | 334 | |
phungductung | 0:e87aa4c49e95 | 335 | /* Disable the Over-drive */ |
phungductung | 0:e87aa4c49e95 | 336 | __HAL_PWR_OVERDRIVE_DISABLE(); |
phungductung | 0:e87aa4c49e95 | 337 | |
phungductung | 0:e87aa4c49e95 | 338 | /* Get tick */ |
phungductung | 0:e87aa4c49e95 | 339 | tickstart = HAL_GetTick(); |
phungductung | 0:e87aa4c49e95 | 340 | |
phungductung | 0:e87aa4c49e95 | 341 | while(__HAL_PWR_GET_FLAG(PWR_FLAG_ODRDY)) |
phungductung | 0:e87aa4c49e95 | 342 | { |
phungductung | 0:e87aa4c49e95 | 343 | if((HAL_GetTick() - tickstart ) > PWR_OVERDRIVE_TIMEOUT_VALUE) |
phungductung | 0:e87aa4c49e95 | 344 | { |
phungductung | 0:e87aa4c49e95 | 345 | return HAL_TIMEOUT; |
phungductung | 0:e87aa4c49e95 | 346 | } |
phungductung | 0:e87aa4c49e95 | 347 | } |
phungductung | 0:e87aa4c49e95 | 348 | |
phungductung | 0:e87aa4c49e95 | 349 | return HAL_OK; |
phungductung | 0:e87aa4c49e95 | 350 | } |
phungductung | 0:e87aa4c49e95 | 351 | |
phungductung | 0:e87aa4c49e95 | 352 | /** |
phungductung | 0:e87aa4c49e95 | 353 | * @brief Enters in Under-Drive STOP mode. |
phungductung | 0:e87aa4c49e95 | 354 | * |
phungductung | 0:e87aa4c49e95 | 355 | * @note This mode can be selected only when the Under-Drive is already active |
phungductung | 0:e87aa4c49e95 | 356 | * |
phungductung | 0:e87aa4c49e95 | 357 | * @note This mode is enabled only with STOP low power mode. |
phungductung | 0:e87aa4c49e95 | 358 | * In this mode, the 1.2V domain is preserved in reduced leakage mode. This |
phungductung | 0:e87aa4c49e95 | 359 | * mode is only available when the main regulator or the low power regulator |
phungductung | 0:e87aa4c49e95 | 360 | * is in low voltage mode |
phungductung | 0:e87aa4c49e95 | 361 | * |
phungductung | 0:e87aa4c49e95 | 362 | * @note If the Under-drive mode was enabled, it is automatically disabled after |
phungductung | 0:e87aa4c49e95 | 363 | * exiting Stop mode. |
phungductung | 0:e87aa4c49e95 | 364 | * When the voltage regulator operates in Under-drive mode, an additional |
phungductung | 0:e87aa4c49e95 | 365 | * startup delay is induced when waking up from Stop mode. |
phungductung | 0:e87aa4c49e95 | 366 | * |
phungductung | 0:e87aa4c49e95 | 367 | * @note In Stop mode, all I/O pins keep the same state as in Run mode. |
phungductung | 0:e87aa4c49e95 | 368 | * |
phungductung | 0:e87aa4c49e95 | 369 | * @note When exiting Stop mode by issuing an interrupt or a wakeup event, |
phungductung | 0:e87aa4c49e95 | 370 | * the HSI RC oscillator is selected as system clock. |
phungductung | 0:e87aa4c49e95 | 371 | * |
phungductung | 0:e87aa4c49e95 | 372 | * @note When the voltage regulator operates in low power mode, an additional |
phungductung | 0:e87aa4c49e95 | 373 | * startup delay is incurred when waking up from Stop mode. |
phungductung | 0:e87aa4c49e95 | 374 | * By keeping the internal regulator ON during Stop mode, the consumption |
phungductung | 0:e87aa4c49e95 | 375 | * is higher although the startup time is reduced. |
phungductung | 0:e87aa4c49e95 | 376 | * |
phungductung | 0:e87aa4c49e95 | 377 | * @param Regulator: specifies the regulator state in STOP mode. |
phungductung | 0:e87aa4c49e95 | 378 | * This parameter can be one of the following values: |
phungductung | 0:e87aa4c49e95 | 379 | * @arg PWR_MAINREGULATOR_UNDERDRIVE_ON: Main Regulator in under-drive mode |
phungductung | 0:e87aa4c49e95 | 380 | * and Flash memory in power-down when the device is in Stop under-drive mode |
phungductung | 0:e87aa4c49e95 | 381 | * @arg PWR_LOWPOWERREGULATOR_UNDERDRIVE_ON: Low Power Regulator in under-drive mode |
phungductung | 0:e87aa4c49e95 | 382 | * and Flash memory in power-down when the device is in Stop under-drive mode |
phungductung | 0:e87aa4c49e95 | 383 | * @param STOPEntry: specifies if STOP mode in entered with WFI or WFE instruction. |
phungductung | 0:e87aa4c49e95 | 384 | * This parameter can be one of the following values: |
phungductung | 0:e87aa4c49e95 | 385 | * @arg PWR_SLEEPENTRY_WFI: enter STOP mode with WFI instruction |
phungductung | 0:e87aa4c49e95 | 386 | * @arg PWR_SLEEPENTRY_WFE: enter STOP mode with WFE instruction |
phungductung | 0:e87aa4c49e95 | 387 | * @retval None |
phungductung | 0:e87aa4c49e95 | 388 | */ |
phungductung | 0:e87aa4c49e95 | 389 | HAL_StatusTypeDef HAL_PWREx_EnterUnderDriveSTOPMode(uint32_t Regulator, uint8_t STOPEntry) |
phungductung | 0:e87aa4c49e95 | 390 | { |
phungductung | 0:e87aa4c49e95 | 391 | uint32_t tempreg = 0; |
phungductung | 0:e87aa4c49e95 | 392 | uint32_t tickstart = 0; |
phungductung | 0:e87aa4c49e95 | 393 | |
phungductung | 0:e87aa4c49e95 | 394 | /* Check the parameters */ |
phungductung | 0:e87aa4c49e95 | 395 | assert_param(IS_PWR_REGULATOR_UNDERDRIVE(Regulator)); |
phungductung | 0:e87aa4c49e95 | 396 | assert_param(IS_PWR_STOP_ENTRY(STOPEntry)); |
phungductung | 0:e87aa4c49e95 | 397 | |
phungductung | 0:e87aa4c49e95 | 398 | /* Enable Power ctrl clock */ |
phungductung | 0:e87aa4c49e95 | 399 | __HAL_RCC_PWR_CLK_ENABLE(); |
phungductung | 0:e87aa4c49e95 | 400 | /* Enable the Under-drive Mode ---------------------------------------------*/ |
phungductung | 0:e87aa4c49e95 | 401 | /* Clear Under-drive flag */ |
phungductung | 0:e87aa4c49e95 | 402 | __HAL_PWR_CLEAR_ODRUDR_FLAG(); |
phungductung | 0:e87aa4c49e95 | 403 | |
phungductung | 0:e87aa4c49e95 | 404 | /* Enable the Under-drive */ |
phungductung | 0:e87aa4c49e95 | 405 | __HAL_PWR_UNDERDRIVE_ENABLE(); |
phungductung | 0:e87aa4c49e95 | 406 | |
phungductung | 0:e87aa4c49e95 | 407 | /* Get tick */ |
phungductung | 0:e87aa4c49e95 | 408 | tickstart = HAL_GetTick(); |
phungductung | 0:e87aa4c49e95 | 409 | |
phungductung | 0:e87aa4c49e95 | 410 | /* Wait for UnderDrive mode is ready */ |
phungductung | 0:e87aa4c49e95 | 411 | while(__HAL_PWR_GET_FLAG(PWR_FLAG_UDRDY)) |
phungductung | 0:e87aa4c49e95 | 412 | { |
phungductung | 0:e87aa4c49e95 | 413 | if((HAL_GetTick() - tickstart ) > PWR_UDERDRIVE_TIMEOUT_VALUE) |
phungductung | 0:e87aa4c49e95 | 414 | { |
phungductung | 0:e87aa4c49e95 | 415 | return HAL_TIMEOUT; |
phungductung | 0:e87aa4c49e95 | 416 | } |
phungductung | 0:e87aa4c49e95 | 417 | } |
phungductung | 0:e87aa4c49e95 | 418 | |
phungductung | 0:e87aa4c49e95 | 419 | /* Select the regulator state in STOP mode ---------------------------------*/ |
phungductung | 0:e87aa4c49e95 | 420 | tempreg = PWR->CR1; |
phungductung | 0:e87aa4c49e95 | 421 | /* Clear PDDS, LPDS, MRLUDS and LPLUDS bits */ |
phungductung | 0:e87aa4c49e95 | 422 | tempreg &= (uint32_t)~(PWR_CR1_PDDS | PWR_CR1_LPDS | PWR_CR1_LPUDS | PWR_CR1_MRUDS); |
phungductung | 0:e87aa4c49e95 | 423 | |
phungductung | 0:e87aa4c49e95 | 424 | /* Set LPDS, MRLUDS and LPLUDS bits according to PWR_Regulator value */ |
phungductung | 0:e87aa4c49e95 | 425 | tempreg |= Regulator; |
phungductung | 0:e87aa4c49e95 | 426 | |
phungductung | 0:e87aa4c49e95 | 427 | /* Store the new value */ |
phungductung | 0:e87aa4c49e95 | 428 | PWR->CR1 = tempreg; |
phungductung | 0:e87aa4c49e95 | 429 | |
phungductung | 0:e87aa4c49e95 | 430 | /* Set SLEEPDEEP bit of Cortex System Control Register */ |
phungductung | 0:e87aa4c49e95 | 431 | SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk; |
phungductung | 0:e87aa4c49e95 | 432 | |
phungductung | 0:e87aa4c49e95 | 433 | /* Select STOP mode entry --------------------------------------------------*/ |
phungductung | 0:e87aa4c49e95 | 434 | if(STOPEntry == PWR_SLEEPENTRY_WFI) |
phungductung | 0:e87aa4c49e95 | 435 | { |
phungductung | 0:e87aa4c49e95 | 436 | /* Request Wait For Interrupt */ |
phungductung | 0:e87aa4c49e95 | 437 | __WFI(); |
phungductung | 0:e87aa4c49e95 | 438 | } |
phungductung | 0:e87aa4c49e95 | 439 | else |
phungductung | 0:e87aa4c49e95 | 440 | { |
phungductung | 0:e87aa4c49e95 | 441 | /* Request Wait For Event */ |
phungductung | 0:e87aa4c49e95 | 442 | __WFE(); |
phungductung | 0:e87aa4c49e95 | 443 | } |
phungductung | 0:e87aa4c49e95 | 444 | /* Reset SLEEPDEEP bit of Cortex System Control Register */ |
phungductung | 0:e87aa4c49e95 | 445 | SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk); |
phungductung | 0:e87aa4c49e95 | 446 | |
phungductung | 0:e87aa4c49e95 | 447 | return HAL_OK; |
phungductung | 0:e87aa4c49e95 | 448 | } |
phungductung | 0:e87aa4c49e95 | 449 | |
phungductung | 0:e87aa4c49e95 | 450 | /** |
phungductung | 0:e87aa4c49e95 | 451 | * @brief Returns Voltage Scaling Range. |
phungductung | 0:e87aa4c49e95 | 452 | * @retval VOS bit field (PWR_REGULATOR_VOLTAGE_SCALE1, PWR_REGULATOR_VOLTAGE_SCALE2 or |
phungductung | 0:e87aa4c49e95 | 453 | * PWR_REGULATOR_VOLTAGE_SCALE3)PWR_REGULATOR_VOLTAGE_SCALE1 |
phungductung | 0:e87aa4c49e95 | 454 | */ |
phungductung | 0:e87aa4c49e95 | 455 | uint32_t HAL_PWREx_GetVoltageRange(void) |
phungductung | 0:e87aa4c49e95 | 456 | { |
phungductung | 0:e87aa4c49e95 | 457 | return (PWR->CR1 & PWR_CR1_VOS); |
phungductung | 0:e87aa4c49e95 | 458 | } |
phungductung | 0:e87aa4c49e95 | 459 | |
phungductung | 0:e87aa4c49e95 | 460 | /** |
phungductung | 0:e87aa4c49e95 | 461 | * @brief Configures the main internal regulator output voltage. |
phungductung | 0:e87aa4c49e95 | 462 | * @param VoltageScaling: specifies the regulator output voltage to achieve |
phungductung | 0:e87aa4c49e95 | 463 | * a tradeoff between performance and power consumption. |
phungductung | 0:e87aa4c49e95 | 464 | * This parameter can be one of the following values: |
phungductung | 0:e87aa4c49e95 | 465 | * @arg PWR_REGULATOR_VOLTAGE_SCALE1: Regulator voltage output range 1 mode, |
phungductung | 0:e87aa4c49e95 | 466 | * typical output voltage at 1.4 V, |
phungductung | 0:e87aa4c49e95 | 467 | * system frequency up to 216 MHz. |
phungductung | 0:e87aa4c49e95 | 468 | * @arg PWR_REGULATOR_VOLTAGE_SCALE2: Regulator voltage output range 2 mode, |
phungductung | 0:e87aa4c49e95 | 469 | * typical output voltage at 1.2 V, |
phungductung | 0:e87aa4c49e95 | 470 | * system frequency up to 180 MHz. |
phungductung | 0:e87aa4c49e95 | 471 | * @arg PWR_REGULATOR_VOLTAGE_SCALE3: Regulator voltage output range 2 mode, |
phungductung | 0:e87aa4c49e95 | 472 | * typical output voltage at 1.00 V, |
phungductung | 0:e87aa4c49e95 | 473 | * system frequency up to 151 MHz. |
phungductung | 0:e87aa4c49e95 | 474 | * @note To update the system clock frequency(SYSCLK): |
phungductung | 0:e87aa4c49e95 | 475 | * - Set the HSI or HSE as system clock frequency using the HAL_RCC_ClockConfig(). |
phungductung | 0:e87aa4c49e95 | 476 | * - Call the HAL_RCC_OscConfig() to configure the PLL. |
phungductung | 0:e87aa4c49e95 | 477 | * - Call HAL_PWREx_ConfigVoltageScaling() API to adjust the voltage scale. |
phungductung | 0:e87aa4c49e95 | 478 | * - Set the new system clock frequency using the HAL_RCC_ClockConfig(). |
phungductung | 0:e87aa4c49e95 | 479 | * @note The scale can be modified only when the HSI or HSE clock source is selected |
phungductung | 0:e87aa4c49e95 | 480 | * as system clock source, otherwise the API returns HAL_ERROR. |
phungductung | 0:e87aa4c49e95 | 481 | * @note When the PLL is OFF, the voltage scale 3 is automatically selected and the VOS bits |
phungductung | 0:e87aa4c49e95 | 482 | * value in the PWR_CR1 register are not taken in account. |
phungductung | 0:e87aa4c49e95 | 483 | * @note This API forces the PLL state ON to allow the possibility to configure the voltage scale 1 or 2. |
phungductung | 0:e87aa4c49e95 | 484 | * @note The new voltage scale is active only when the PLL is ON. |
phungductung | 0:e87aa4c49e95 | 485 | * @retval HAL Status |
phungductung | 0:e87aa4c49e95 | 486 | */ |
phungductung | 0:e87aa4c49e95 | 487 | HAL_StatusTypeDef HAL_PWREx_ControlVoltageScaling(uint32_t VoltageScaling) |
phungductung | 0:e87aa4c49e95 | 488 | { |
phungductung | 0:e87aa4c49e95 | 489 | uint32_t tickstart = 0; |
phungductung | 0:e87aa4c49e95 | 490 | |
phungductung | 0:e87aa4c49e95 | 491 | assert_param(IS_PWR_REGULATOR_VOLTAGE(VoltageScaling)); |
phungductung | 0:e87aa4c49e95 | 492 | |
phungductung | 0:e87aa4c49e95 | 493 | /* Enable Power ctrl clock */ |
phungductung | 0:e87aa4c49e95 | 494 | __HAL_RCC_PWR_CLK_ENABLE(); |
phungductung | 0:e87aa4c49e95 | 495 | |
phungductung | 0:e87aa4c49e95 | 496 | /* Check if the PLL is used as system clock or not */ |
phungductung | 0:e87aa4c49e95 | 497 | if(__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL) |
phungductung | 0:e87aa4c49e95 | 498 | { |
phungductung | 0:e87aa4c49e95 | 499 | /* Disable the main PLL */ |
phungductung | 0:e87aa4c49e95 | 500 | __HAL_RCC_PLL_DISABLE(); |
phungductung | 0:e87aa4c49e95 | 501 | |
phungductung | 0:e87aa4c49e95 | 502 | /* Get Start Tick */ |
phungductung | 0:e87aa4c49e95 | 503 | tickstart = HAL_GetTick(); |
phungductung | 0:e87aa4c49e95 | 504 | /* Wait till PLL is disabled */ |
phungductung | 0:e87aa4c49e95 | 505 | while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET) |
phungductung | 0:e87aa4c49e95 | 506 | { |
phungductung | 0:e87aa4c49e95 | 507 | if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE) |
phungductung | 0:e87aa4c49e95 | 508 | { |
phungductung | 0:e87aa4c49e95 | 509 | return HAL_TIMEOUT; |
phungductung | 0:e87aa4c49e95 | 510 | } |
phungductung | 0:e87aa4c49e95 | 511 | } |
phungductung | 0:e87aa4c49e95 | 512 | |
phungductung | 0:e87aa4c49e95 | 513 | /* Set Range */ |
phungductung | 0:e87aa4c49e95 | 514 | __HAL_PWR_VOLTAGESCALING_CONFIG(VoltageScaling); |
phungductung | 0:e87aa4c49e95 | 515 | |
phungductung | 0:e87aa4c49e95 | 516 | /* Enable the main PLL */ |
phungductung | 0:e87aa4c49e95 | 517 | __HAL_RCC_PLL_ENABLE(); |
phungductung | 0:e87aa4c49e95 | 518 | |
phungductung | 0:e87aa4c49e95 | 519 | /* Get Start Tick */ |
phungductung | 0:e87aa4c49e95 | 520 | tickstart = HAL_GetTick(); |
phungductung | 0:e87aa4c49e95 | 521 | /* Wait till PLL is ready */ |
phungductung | 0:e87aa4c49e95 | 522 | while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET) |
phungductung | 0:e87aa4c49e95 | 523 | { |
phungductung | 0:e87aa4c49e95 | 524 | if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE) |
phungductung | 0:e87aa4c49e95 | 525 | { |
phungductung | 0:e87aa4c49e95 | 526 | return HAL_TIMEOUT; |
phungductung | 0:e87aa4c49e95 | 527 | } |
phungductung | 0:e87aa4c49e95 | 528 | } |
phungductung | 0:e87aa4c49e95 | 529 | |
phungductung | 0:e87aa4c49e95 | 530 | /* Get Start Tick */ |
phungductung | 0:e87aa4c49e95 | 531 | tickstart = HAL_GetTick(); |
phungductung | 0:e87aa4c49e95 | 532 | while((__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY) == RESET)) |
phungductung | 0:e87aa4c49e95 | 533 | { |
phungductung | 0:e87aa4c49e95 | 534 | if((HAL_GetTick() - tickstart ) > PWR_VOSRDY_TIMEOUT_VALUE) |
phungductung | 0:e87aa4c49e95 | 535 | { |
phungductung | 0:e87aa4c49e95 | 536 | return HAL_TIMEOUT; |
phungductung | 0:e87aa4c49e95 | 537 | } |
phungductung | 0:e87aa4c49e95 | 538 | } |
phungductung | 0:e87aa4c49e95 | 539 | } |
phungductung | 0:e87aa4c49e95 | 540 | else |
phungductung | 0:e87aa4c49e95 | 541 | { |
phungductung | 0:e87aa4c49e95 | 542 | return HAL_ERROR; |
phungductung | 0:e87aa4c49e95 | 543 | } |
phungductung | 0:e87aa4c49e95 | 544 | return HAL_OK; |
phungductung | 0:e87aa4c49e95 | 545 | } |
phungductung | 0:e87aa4c49e95 | 546 | |
phungductung | 0:e87aa4c49e95 | 547 | /** |
phungductung | 0:e87aa4c49e95 | 548 | * @} |
phungductung | 0:e87aa4c49e95 | 549 | */ |
phungductung | 0:e87aa4c49e95 | 550 | |
phungductung | 0:e87aa4c49e95 | 551 | /** |
phungductung | 0:e87aa4c49e95 | 552 | * @} |
phungductung | 0:e87aa4c49e95 | 553 | */ |
phungductung | 0:e87aa4c49e95 | 554 | |
phungductung | 0:e87aa4c49e95 | 555 | #endif /* HAL_PWR_MODULE_ENABLED */ |
phungductung | 0:e87aa4c49e95 | 556 | /** |
phungductung | 0:e87aa4c49e95 | 557 | * @} |
phungductung | 0:e87aa4c49e95 | 558 | */ |
phungductung | 0:e87aa4c49e95 | 559 | |
phungductung | 0:e87aa4c49e95 | 560 | /** |
phungductung | 0:e87aa4c49e95 | 561 | * @} |
phungductung | 0:e87aa4c49e95 | 562 | */ |
phungductung | 0:e87aa4c49e95 | 563 | |
phungductung | 0:e87aa4c49e95 | 564 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |