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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_hal_flash_ramfunc.c@581:39197bcd20f2, 2015-07-02 (annotated)

Committer:
mbed_official
Date:
Thu Jul 02 16:30:08 2015 +0100
Revision:
581:39197bcd20f2
Parent:
532:fe11edbda85c
Child:
613:bc40b8d2aec4
Synchronized with git revision ae2d3cdffe70184eb8736d94f76c45c93f4b7724



Full URL: https://github.com/mbedmicro/mbed/commit/ae2d3cdffe70184eb8736d94f76c45c93f4b7724/



Make it possible to build the core mbed library with yotta

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 235:685d5f11838f 1 /**
mbed_official 235:685d5f11838f 2 ******************************************************************************
mbed_official 235:685d5f11838f 3 * @file stm32f4xx_hal_flash_ramfunc.c
mbed_official 235:685d5f11838f 4 * @author MCD Application Team
mbed_official 532:fe11edbda85c 5 * @version V1.3.0
mbed_official 532:fe11edbda85c 6 * @date 09-March-2015
mbed_official 235:685d5f11838f 7 * @brief FLASH RAMFUNC module driver.
mbed_official 235:685d5f11838f 8 * This file provides a FLASH firmware functions which should be
mbed_official 235:685d5f11838f 9 * executed from internal SRAM
mbed_official 235:685d5f11838f 10 * + Stop/Start the flash interface while System Run
mbed_official 235:685d5f11838f 11 * + Enable/Disable the flash sleep while System Run
mbed_official 235:685d5f11838f 12 @verbatim
mbed_official 235:685d5f11838f 13 ==============================================================================
mbed_official 235:685d5f11838f 14 ##### APIs executed from Internal RAM #####
mbed_official 235:685d5f11838f 15 ==============================================================================
mbed_official 235:685d5f11838f 16 [..]
mbed_official 235:685d5f11838f 17 *** ARM Compiler ***
mbed_official 235:685d5f11838f 18 --------------------
mbed_official 235:685d5f11838f 19 [..] RAM functions are defined using the toolchain options.
mbed_official 235:685d5f11838f 20 Functions that are be executed in RAM should reside in a separate
mbed_official 235:685d5f11838f 21 source module. Using the 'Options for File' dialog you can simply change
mbed_official 235:685d5f11838f 22 the 'Code / Const' area of a module to a memory space in physical RAM.
mbed_official 235:685d5f11838f 23 Available memory areas are declared in the 'Target' tab of the
mbed_official 235:685d5f11838f 24 Options for Target' dialog.
mbed_official 235:685d5f11838f 25
mbed_official 235:685d5f11838f 26 *** ICCARM Compiler ***
mbed_official 235:685d5f11838f 27 -----------------------
mbed_official 235:685d5f11838f 28 [..] RAM functions are defined using a specific toolchain keyword "__ramfunc".
mbed_official 235:685d5f11838f 29
mbed_official 235:685d5f11838f 30 *** GNU Compiler ***
mbed_official 235:685d5f11838f 31 --------------------
mbed_official 235:685d5f11838f 32 [..] RAM functions are defined using a specific toolchain attribute
mbed_official 235:685d5f11838f 33 "__attribute__((section(".RamFunc")))".
mbed_official 235:685d5f11838f 34
mbed_official 235:685d5f11838f 35 @endverbatim
mbed_official 235:685d5f11838f 36 ******************************************************************************
mbed_official 235:685d5f11838f 37 * @attention
mbed_official 235:685d5f11838f 38 *
mbed_official 532:fe11edbda85c 39 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
mbed_official 235:685d5f11838f 40 *
mbed_official 235:685d5f11838f 41 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 235:685d5f11838f 42 * are permitted provided that the following conditions are met:
mbed_official 235:685d5f11838f 43 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 235:685d5f11838f 44 * this list of conditions and the following disclaimer.
mbed_official 235:685d5f11838f 45 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 235:685d5f11838f 46 * this list of conditions and the following disclaimer in the documentation
mbed_official 235:685d5f11838f 47 * and/or other materials provided with the distribution.
mbed_official 235:685d5f11838f 48 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 235:685d5f11838f 49 * may be used to endorse or promote products derived from this software
mbed_official 235:685d5f11838f 50 * without specific prior written permission.
mbed_official 235:685d5f11838f 51 *
mbed_official 235:685d5f11838f 52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 235:685d5f11838f 53 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 235:685d5f11838f 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 235:685d5f11838f 55 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 235:685d5f11838f 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 235:685d5f11838f 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 235:685d5f11838f 58 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 235:685d5f11838f 59 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 235:685d5f11838f 60 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 235:685d5f11838f 61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 235:685d5f11838f 62 *
mbed_official 235:685d5f11838f 63 ******************************************************************************
mbed_official 235:685d5f11838f 64 */
mbed_official 235:685d5f11838f 65
mbed_official 235:685d5f11838f 66 /* Includes ------------------------------------------------------------------*/
mbed_official 235:685d5f11838f 67 #include "stm32f4xx_hal.h"
mbed_official 235:685d5f11838f 68
mbed_official 235:685d5f11838f 69 /** @addtogroup STM32F4xx_HAL_Driver
mbed_official 235:685d5f11838f 70 * @{
mbed_official 235:685d5f11838f 71 */
mbed_official 235:685d5f11838f 72
mbed_official 532:fe11edbda85c 73 /** @defgroup FLASHRAMFUNC FLASH RAMFUNC
mbed_official 235:685d5f11838f 74 * @brief FLASH functions executed from RAM
mbed_official 235:685d5f11838f 75 * @{
mbed_official 235:685d5f11838f 76 */
mbed_official 235:685d5f11838f 77
mbed_official 235:685d5f11838f 78 #ifdef HAL_FLASH_MODULE_ENABLED
mbed_official 235:685d5f11838f 79
mbed_official 532:fe11edbda85c 80 #if defined(STM32F411xE) || defined(STM32F446xx)
mbed_official 235:685d5f11838f 81
mbed_official 235:685d5f11838f 82 /* Private typedef -----------------------------------------------------------*/
mbed_official 235:685d5f11838f 83 /* Private define ------------------------------------------------------------*/
mbed_official 235:685d5f11838f 84 /* Private macro -------------------------------------------------------------*/
mbed_official 235:685d5f11838f 85 /* Private variables ---------------------------------------------------------*/
mbed_official 235:685d5f11838f 86 /* Private function prototypes -----------------------------------------------*/
mbed_official 532:fe11edbda85c 87 /* Exported functions --------------------------------------------------------*/
mbed_official 532:fe11edbda85c 88 /** @defgroup FLASHRAMFUNC_Exported_Functions FLASH RAMFUNC Exported Functions
mbed_official 235:685d5f11838f 89 * @{
mbed_official 235:685d5f11838f 90 */
mbed_official 235:685d5f11838f 91
mbed_official 532:fe11edbda85c 92 /** @defgroup FLASHRAMFUNC_Exported_Functions_Group1 Peripheral features functions executed from internal RAM
mbed_official 235:685d5f11838f 93 * @brief Peripheral Extended features functions
mbed_official 235:685d5f11838f 94 *
mbed_official 235:685d5f11838f 95 @verbatim
mbed_official 235:685d5f11838f 96
mbed_official 235:685d5f11838f 97 ===============================================================================
mbed_official 235:685d5f11838f 98 ##### ramfunc functions #####
mbed_official 235:685d5f11838f 99 ===============================================================================
mbed_official 235:685d5f11838f 100 [..]
mbed_official 235:685d5f11838f 101 This subsection provides a set of functions that should be executed from RAM
mbed_official 235:685d5f11838f 102 transfers.
mbed_official 235:685d5f11838f 103
mbed_official 235:685d5f11838f 104 @endverbatim
mbed_official 235:685d5f11838f 105 * @{
mbed_official 235:685d5f11838f 106 */
mbed_official 235:685d5f11838f 107
mbed_official 235:685d5f11838f 108 /**
mbed_official 235:685d5f11838f 109 * @brief Stop the flash interface while System Run
mbed_official 235:685d5f11838f 110 * @note This mode is only available for STM32F411xx devices.
mbed_official 532:fe11edbda85c 111 * @note This mode couldn't be set while executing with the flash itself.
mbed_official 235:685d5f11838f 112 * It should be done with specific routine executed from RAM.
mbed_official 235:685d5f11838f 113 * @retval None
mbed_official 235:685d5f11838f 114 */
mbed_official 235:685d5f11838f 115 __RAM_FUNC HAL_FLASHEx_StopFlashInterfaceClk(void)
mbed_official 235:685d5f11838f 116 {
mbed_official 235:685d5f11838f 117 /* Enable Power ctrl clock */
mbed_official 532:fe11edbda85c 118 __HAL_RCC_PWR_CLK_ENABLE();
mbed_official 235:685d5f11838f 119 /* Stop the flash interface while System Run */
mbed_official 235:685d5f11838f 120 SET_BIT(PWR->CR, PWR_CR_FISSR);
mbed_official 235:685d5f11838f 121
mbed_official 235:685d5f11838f 122 return HAL_OK;
mbed_official 235:685d5f11838f 123 }
mbed_official 235:685d5f11838f 124
mbed_official 235:685d5f11838f 125 /**
mbed_official 235:685d5f11838f 126 * @brief Start the flash interface while System Run
mbed_official 235:685d5f11838f 127 * @note This mode is only available for STM32F411xx devices.
mbed_official 532:fe11edbda85c 128 * @note This mode couldn't be set while executing with the flash itself.
mbed_official 235:685d5f11838f 129 * It should be done with specific routine executed from RAM.
mbed_official 235:685d5f11838f 130 * @retval None
mbed_official 235:685d5f11838f 131 */
mbed_official 235:685d5f11838f 132 __RAM_FUNC HAL_FLASHEx_StartFlashInterfaceClk(void)
mbed_official 235:685d5f11838f 133 {
mbed_official 235:685d5f11838f 134 /* Enable Power ctrl clock */
mbed_official 532:fe11edbda85c 135 __HAL_RCC_PWR_CLK_ENABLE();
mbed_official 235:685d5f11838f 136 /* Start the flash interface while System Run */
mbed_official 235:685d5f11838f 137 CLEAR_BIT(PWR->CR, PWR_CR_FISSR);
mbed_official 235:685d5f11838f 138
mbed_official 235:685d5f11838f 139 return HAL_OK;
mbed_official 235:685d5f11838f 140 }
mbed_official 235:685d5f11838f 141
mbed_official 235:685d5f11838f 142 /**
mbed_official 235:685d5f11838f 143 * @brief Enable the flash sleep while System Run
mbed_official 235:685d5f11838f 144 * @note This mode is only available for STM32F411xx devices.
mbed_official 235:685d5f11838f 145 * @note This mode could n't be set while executing with the flash itself.
mbed_official 235:685d5f11838f 146 * It should be done with specific routine executed from RAM.
mbed_official 235:685d5f11838f 147 * @retval None
mbed_official 235:685d5f11838f 148 */
mbed_official 235:685d5f11838f 149 __RAM_FUNC HAL_FLASHEx_EnableFlashSleepMode(void)
mbed_official 235:685d5f11838f 150 {
mbed_official 235:685d5f11838f 151 /* Enable Power ctrl clock */
mbed_official 532:fe11edbda85c 152 __HAL_RCC_PWR_CLK_ENABLE();
mbed_official 235:685d5f11838f 153 /* Enable the flash sleep while System Run */
mbed_official 235:685d5f11838f 154 SET_BIT(PWR->CR, PWR_CR_FMSSR);
mbed_official 235:685d5f11838f 155
mbed_official 235:685d5f11838f 156 return HAL_OK;
mbed_official 235:685d5f11838f 157 }
mbed_official 235:685d5f11838f 158
mbed_official 235:685d5f11838f 159 /**
mbed_official 235:685d5f11838f 160 * @brief Disable the flash sleep while System Run
mbed_official 235:685d5f11838f 161 * @note This mode is only available for STM32F411xx devices.
mbed_official 532:fe11edbda85c 162 * @note This mode couldn't be set while executing with the flash itself.
mbed_official 235:685d5f11838f 163 * It should be done with specific routine executed from RAM.
mbed_official 235:685d5f11838f 164 * @retval None
mbed_official 235:685d5f11838f 165 */
mbed_official 235:685d5f11838f 166 __RAM_FUNC HAL_FLASHEx_DisableFlashSleepMode(void)
mbed_official 235:685d5f11838f 167 {
mbed_official 235:685d5f11838f 168 /* Enable Power ctrl clock */
mbed_official 532:fe11edbda85c 169 __HAL_RCC_PWR_CLK_ENABLE();
mbed_official 235:685d5f11838f 170 /* Disable the flash sleep while System Run */
mbed_official 235:685d5f11838f 171 CLEAR_BIT(PWR->CR, PWR_CR_FMSSR);
mbed_official 235:685d5f11838f 172
mbed_official 235:685d5f11838f 173 return HAL_OK;
mbed_official 235:685d5f11838f 174 }
mbed_official 235:685d5f11838f 175
mbed_official 235:685d5f11838f 176 /**
mbed_official 235:685d5f11838f 177 * @}
mbed_official 235:685d5f11838f 178 */
mbed_official 235:685d5f11838f 179
mbed_official 235:685d5f11838f 180 /**
mbed_official 235:685d5f11838f 181 * @}
mbed_official 235:685d5f11838f 182 */
mbed_official 235:685d5f11838f 183
mbed_official 532:fe11edbda85c 184 #endif /* STM32F411xE || STM32F446xx */
mbed_official 235:685d5f11838f 185 #endif /* HAL_FLASH_MODULE_ENABLED */
mbed_official 235:685d5f11838f 186 /**
mbed_official 235:685d5f11838f 187 * @}
mbed_official 235:685d5f11838f 188 */
mbed_official 235:685d5f11838f 189
mbed_official 235:685d5f11838f 190 /**
mbed_official 235:685d5f11838f 191 * @}
mbed_official 235:685d5f11838f 192 */
mbed_official 235:685d5f11838f 193
mbed_official 235:685d5f11838f 194 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/