Chau Vo / mbed-dev

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_flash_ramfunc.c@148:161ebc35dc3a, 2016-09-28 (annotated)

Committer:
olympux
Date:
Wed Sep 28 20:59:47 2016 +0000
Revision:
148:161ebc35dc3a
Parent:
144:ef7eb2e8f9f7 
RTC working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**
<> 144:ef7eb2e8f9f7 2 ******************************************************************************
<> 144:ef7eb2e8f9f7 3 * @file stm32l4xx_hal_flash_ramfunc.c
<> 144:ef7eb2e8f9f7 4 * @author MCD Application Team
<> 144:ef7eb2e8f9f7 5 * @version V1.5.1
<> 144:ef7eb2e8f9f7 6 * @date 31-May-2016
<> 144:ef7eb2e8f9f7 7 * @brief FLASH RAMFUNC driver.
<> 144:ef7eb2e8f9f7 8 * This file provides a Flash firmware functions which should be
<> 144:ef7eb2e8f9f7 9 * executed from internal SRAM
<> 144:ef7eb2e8f9f7 10 * + FLASH HalfPage Programming
<> 144:ef7eb2e8f9f7 11 * + FLASH Power Down in Run mode
<> 144:ef7eb2e8f9f7 12 *
<> 144:ef7eb2e8f9f7 13 * @verbatim
<> 144:ef7eb2e8f9f7 14 ==============================================================================
<> 144:ef7eb2e8f9f7 15 ##### Flash RAM functions #####
<> 144:ef7eb2e8f9f7 16 ==============================================================================
<> 144:ef7eb2e8f9f7 17
<> 144:ef7eb2e8f9f7 18 *** ARM Compiler ***
<> 144:ef7eb2e8f9f7 19 --------------------
<> 144:ef7eb2e8f9f7 20 [..] RAM functions are defined using the toolchain options.
<> 144:ef7eb2e8f9f7 21 Functions that are executed in RAM should reside in a separate
<> 144:ef7eb2e8f9f7 22 source module. Using the 'Options for File' dialog you can simply change
<> 144:ef7eb2e8f9f7 23 the 'Code / Const' area of a module to a memory space in physical RAM.
<> 144:ef7eb2e8f9f7 24 Available memory areas are declared in the 'Target' tab of the
<> 144:ef7eb2e8f9f7 25 Options for Target' dialog.
<> 144:ef7eb2e8f9f7 26
<> 144:ef7eb2e8f9f7 27 *** ICCARM Compiler ***
<> 144:ef7eb2e8f9f7 28 -----------------------
<> 144:ef7eb2e8f9f7 29 [..] RAM functions are defined using a specific toolchain keyword "__ramfunc".
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 *** GNU Compiler ***
<> 144:ef7eb2e8f9f7 32 --------------------
<> 144:ef7eb2e8f9f7 33 [..] RAM functions are defined using a specific toolchain attribute
<> 144:ef7eb2e8f9f7 34 "__attribute__((section(".RamFunc")))".
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 @endverbatim
<> 144:ef7eb2e8f9f7 37 ******************************************************************************
<> 144:ef7eb2e8f9f7 38 * @attention
<> 144:ef7eb2e8f9f7 39 *
<> 144:ef7eb2e8f9f7 40 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 41 *
<> 144:ef7eb2e8f9f7 42 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 43 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 44 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 45 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 46 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 47 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 48 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 49 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 50 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 51 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 52 *
<> 144:ef7eb2e8f9f7 53 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 54 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 56 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 59 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 60 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 61 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 63 *
<> 144:ef7eb2e8f9f7 64 ******************************************************************************
<> 144:ef7eb2e8f9f7 65 */
<> 144:ef7eb2e8f9f7 66
<> 144:ef7eb2e8f9f7 67 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 68 #include "stm32l4xx_hal.h"
<> 144:ef7eb2e8f9f7 69
<> 144:ef7eb2e8f9f7 70 /** @addtogroup STM32L4xx_HAL_Driver
<> 144:ef7eb2e8f9f7 71 * @{
<> 144:ef7eb2e8f9f7 72 */
<> 144:ef7eb2e8f9f7 73
<> 144:ef7eb2e8f9f7 74 /** @defgroup FLASH_RAMFUNC FLASH_RAMFUNC
<> 144:ef7eb2e8f9f7 75 * @brief FLASH functions executed from RAM
<> 144:ef7eb2e8f9f7 76 * @{
<> 144:ef7eb2e8f9f7 77 */
<> 144:ef7eb2e8f9f7 78
<> 144:ef7eb2e8f9f7 79 #ifdef HAL_FLASH_MODULE_ENABLED
<> 144:ef7eb2e8f9f7 80
<> 144:ef7eb2e8f9f7 81 /* Private typedef -----------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 82 /* Private define ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 83 /* Private macro -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 84 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 85 /* Private function prototypes -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 86 /* Exported functions -------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 87
<> 144:ef7eb2e8f9f7 88 /** @defgroup FLASH_RAMFUNC_Exported_Functions FLASH in RAM function Exported Functions
<> 144:ef7eb2e8f9f7 89 * @{
<> 144:ef7eb2e8f9f7 90 */
<> 144:ef7eb2e8f9f7 91
<> 144:ef7eb2e8f9f7 92 /** @defgroup FLASH_RAMFUNC_Exported_Functions_Group1 Peripheral features functions
<> 144:ef7eb2e8f9f7 93 * @brief Data transfers functions
<> 144:ef7eb2e8f9f7 94 *
<> 144:ef7eb2e8f9f7 95 @verbatim
<> 144:ef7eb2e8f9f7 96 ===============================================================================
<> 144:ef7eb2e8f9f7 97 ##### ramfunc functions #####
<> 144:ef7eb2e8f9f7 98 ===============================================================================
<> 144:ef7eb2e8f9f7 99 [..]
<> 144:ef7eb2e8f9f7 100 This subsection provides a set of functions that should be executed from RAM.
<> 144:ef7eb2e8f9f7 101
<> 144:ef7eb2e8f9f7 102 @endverbatim
<> 144:ef7eb2e8f9f7 103 * @{
<> 144:ef7eb2e8f9f7 104 */
<> 144:ef7eb2e8f9f7 105
<> 144:ef7eb2e8f9f7 106 /**
<> 144:ef7eb2e8f9f7 107 * @brief Enable the Power down in Run Mode
<> 144:ef7eb2e8f9f7 108 * @note This function should be called and executed from SRAM memory
<> 144:ef7eb2e8f9f7 109 * @retval None
<> 144:ef7eb2e8f9f7 110 */
<> 144:ef7eb2e8f9f7 111 __RAM_FUNC HAL_FLASHEx_EnableRunPowerDown(void)
<> 144:ef7eb2e8f9f7 112 {
<> 144:ef7eb2e8f9f7 113 /* Enable the Power Down in Run mode*/
<> 144:ef7eb2e8f9f7 114 __HAL_FLASH_POWER_DOWN_ENABLE();
<> 144:ef7eb2e8f9f7 115
<> 144:ef7eb2e8f9f7 116 return HAL_OK;
<> 144:ef7eb2e8f9f7 117
<> 144:ef7eb2e8f9f7 118 }
<> 144:ef7eb2e8f9f7 119
<> 144:ef7eb2e8f9f7 120 /**
<> 144:ef7eb2e8f9f7 121 * @brief Disable the Power down in Run Mode
<> 144:ef7eb2e8f9f7 122 * @note This function should be called and executed from SRAM memory
<> 144:ef7eb2e8f9f7 123 * @retval None
<> 144:ef7eb2e8f9f7 124 */
<> 144:ef7eb2e8f9f7 125 __RAM_FUNC HAL_FLASHEx_DisableRunPowerDown(void)
<> 144:ef7eb2e8f9f7 126 {
<> 144:ef7eb2e8f9f7 127 /* Disable the Power Down in Run mode*/
<> 144:ef7eb2e8f9f7 128 __HAL_FLASH_POWER_DOWN_DISABLE();
<> 144:ef7eb2e8f9f7 129
<> 144:ef7eb2e8f9f7 130 return HAL_OK;
<> 144:ef7eb2e8f9f7 131 }
<> 144:ef7eb2e8f9f7 132
<> 144:ef7eb2e8f9f7 133 /**
<> 144:ef7eb2e8f9f7 134 * @}
<> 144:ef7eb2e8f9f7 135 */
<> 144:ef7eb2e8f9f7 136
<> 144:ef7eb2e8f9f7 137 /**
<> 144:ef7eb2e8f9f7 138 * @}
<> 144:ef7eb2e8f9f7 139 */
<> 144:ef7eb2e8f9f7 140 #endif /* HAL_FLASH_MODULE_ENABLED */
<> 144:ef7eb2e8f9f7 141
<> 144:ef7eb2e8f9f7 142
<> 144:ef7eb2e8f9f7 143
<> 144:ef7eb2e8f9f7 144 /**
<> 144:ef7eb2e8f9f7 145 * @}
<> 144:ef7eb2e8f9f7 146 */
<> 144:ef7eb2e8f9f7 147
<> 144:ef7eb2e8f9f7 148 /**
<> 144:ef7eb2e8f9f7 149 * @}
<> 144:ef7eb2e8f9f7 150 */
<> 144:ef7eb2e8f9f7 151
<> 144:ef7eb2e8f9f7 152
<> 144:ef7eb2e8f9f7 153 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
<> 144:ef7eb2e8f9f7 154
<> 144:ef7eb2e8f9f7 155