/** ****************************************************************************** * @file stm32f4xx_hal_flash_ex.c * @author MCD Application Team * @version V1.4.1 * @date 09-October-2015 * @brief Extended FLASH HAL module driver. * This file provides firmware functions to manage the following * functionalities of the FLASH extension peripheral: * + Extended programming operations functions * @verbatim ============================================================================== ##### Flash Extension features ##### ============================================================================== [..] Comparing to other previous devices, the FLASH interface for STM32F427xx/437xx and STM32F429xx/439xx devices contains the following additional features (+) Capacity up to 2 Mbyte with dual bank architecture supporting read-while-write capability (RWW) (+) Dual bank memory organization (+) PCROP protection for all banks ##### How to use this driver ##### ============================================================================== [..] This driver provides functions to configure and program the FLASH memory of all STM32F427xx/437xx, STM32F429xx/439xx, STM32F469xx/479xx and STM32F446xx devices. It includes (#) FLASH Memory Erase functions: (++) Lock and Unlock the FLASH interface using HAL_FLASH_Unlock() and HAL_FLASH_Lock() functions (++) Erase function: Erase sector, erase all sectors (++) There are two modes of erase : (+++) Polling Mode using HAL_FLASHEx_Erase() (+++) Interrupt Mode using HAL_FLASHEx_Erase_IT() (#) Option Bytes Programming functions: Use HAL_FLASHEx_OBProgram() to : (++) Set/Reset the write protection (++) Set the Read protection Level (++) Set the BOR level (++) Program the user Option Bytes (#) Advanced Option Bytes Programming functions: Use HAL_FLASHEx_AdvOBProgram() to : (++) Extended space (bank 2) erase function (++) Full FLASH space (2 Mo) erase (bank 1 and bank 2) (++) Dual Boot activation (++) Write protection configuration for bank 2 (++) PCROP protection configuration and control for both banks @endverbatim ****************************************************************************** * @attention * *
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