diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c new file mode 100644 index 0000000000..14c6244c90 --- /dev/null +++ b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c @@ -0,0 +1,192 @@ +/** + ****************************************************************************** + * @file stm32f4xx_hal_flash_ramfunc.c + * @author MCD Application Team + * @version V1.4.0 + * @date 14-August-2015 + * @brief FLASH RAMFUNC module driver. + * This file provides a FLASH firmware functions which should be + * executed from internal SRAM + * + Stop/Start the flash interface while System Run + * + Enable/Disable the flash sleep while System Run + @verbatim + ============================================================================== + ##### APIs executed from Internal RAM ##### + ============================================================================== + [..] + *** ARM Compiler *** + -------------------- + [..] RAM functions are defined using the toolchain options. + Functions that are be executed in RAM should reside in a separate + source module. Using the 'Options for File' dialog you can simply change + the 'Code / Const' area of a module to a memory space in physical RAM. + Available memory areas are declared in the 'Target' tab of the + Options for Target' dialog. + + *** ICCARM Compiler *** + ----------------------- + [..] RAM functions are defined using a specific toolchain keyword "__ramfunc". + + *** GNU Compiler *** + -------------------- + [..] RAM functions are defined using a specific toolchain attribute + "__attribute__((section(".RamFunc")))". + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2015 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 "stm32f4xx_hal.h" + +/** @addtogroup STM32F4xx_HAL_Driver + * @{ + */ + +/** @defgroup FLASHRAMFUNC FLASH RAMFUNC + * @brief FLASH functions executed from RAM + * @{ + */ +#ifdef HAL_FLASH_MODULE_ENABLED +#if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F411xE) || defined(STM32F446xx) + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Exported functions --------------------------------------------------------*/ +/** @defgroup FLASHRAMFUNC_Exported_Functions FLASH RAMFUNC Exported Functions + * @{ + */ + +/** @defgroup FLASHRAMFUNC_Exported_Functions_Group1 Peripheral features functions executed from internal RAM + * @brief Peripheral Extended features functions + * +@verbatim + + =============================================================================== + ##### ramfunc functions ##### + =============================================================================== + [..] + This subsection provides a set of functions that should be executed from RAM + transfers. + +@endverbatim + * @{ + */ + +/** + * @brief Stop the flash interface while System Run + * @note This mode is only available for STM32F411xx devices. + * @note This mode couldn't be set while executing with the flash itself. + * It should be done with specific routine executed from RAM. + * @retval None + */ +__RAM_FUNC HAL_FLASHEx_StopFlashInterfaceClk(void) +{ + /* Enable Power ctrl clock */ + __HAL_RCC_PWR_CLK_ENABLE(); + /* Stop the flash interface while System Run */ + SET_BIT(PWR->CR, PWR_CR_FISSR); + + return HAL_OK; +} + +/** + * @brief Start the flash interface while System Run + * @note This mode is only available for STM32F411xx devices. + * @note This mode couldn't be set while executing with the flash itself. + * It should be done with specific routine executed from RAM. + * @retval None + */ +__RAM_FUNC HAL_FLASHEx_StartFlashInterfaceClk(void) +{ + /* Enable Power ctrl clock */ + __HAL_RCC_PWR_CLK_ENABLE(); + /* Start the flash interface while System Run */ + CLEAR_BIT(PWR->CR, PWR_CR_FISSR); + + return HAL_OK; +} + +/** + * @brief Enable the flash sleep while System Run + * @note This mode is only available for STM32F411xx devices. + * @note This mode could n't be set while executing with the flash itself. + * It should be done with specific routine executed from RAM. + * @retval None + */ +__RAM_FUNC HAL_FLASHEx_EnableFlashSleepMode(void) +{ + /* Enable Power ctrl clock */ + __HAL_RCC_PWR_CLK_ENABLE(); + /* Enable the flash sleep while System Run */ + SET_BIT(PWR->CR, PWR_CR_FMSSR); + + return HAL_OK; +} + +/** + * @brief Disable the flash sleep while System Run + * @note This mode is only available for STM32F411xx devices. + * @note This mode couldn't be set while executing with the flash itself. + * It should be done with specific routine executed from RAM. + * @retval None + */ +__RAM_FUNC HAL_FLASHEx_DisableFlashSleepMode(void) +{ + /* Enable Power ctrl clock */ + __HAL_RCC_PWR_CLK_ENABLE(); + /* Disable the flash sleep while System Run */ + CLEAR_BIT(PWR->CR, PWR_CR_FMSSR); + + return HAL_OK; +} + +/** + * @} + */ + +/** + * @} + */ + +#endif /* STM32F410xx || STM32F411xE || STM32F446xx */ +#endif /* HAL_FLASH_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |