text: /**
    ******************************************************************************
    * @file    stm32f7xx_hal_flash.h
    * @author  MCD Application Team
    * @version V1.2.2
    * @date    14-April-2017
    * @brief   Header file of FLASH HAL module.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT(c) 2017 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.
    *
    ******************************************************************************
    */ 
  
  /* Define to prevent recursive inclusion -------------------------------------*/
  #ifndef __STM32F7xx_HAL_FLASH_H
  #define __STM32F7xx_HAL_FLASH_H
  
  #ifdef __cplusplus
   extern "C" {
  #endif
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32f7xx_hal_def.h"
  
  /** @addtogroup STM32F7xx_HAL_Driver
    * @{
    */
  
  /** @addtogroup FLASH
    * @{
    */ 
  
  /* Exported types ------------------------------------------------------------*/ 
  /** @defgroup FLASH_Exported_Types FLASH Exported Types
    * @{
    */
   
  /**
    * @brief  FLASH Procedure structure definition
    */
  typedef enum 
  {
    FLASH_PROC_NONE = 0U, 
    FLASH_PROC_SECTERASE,
    FLASH_PROC_MASSERASE,
    FLASH_PROC_PROGRAM
  } FLASH_ProcedureTypeDef;
  
  
  /** 
    * @brief  FLASH handle Structure definition  
    */
  typedef struct
  {
    __IO FLASH_ProcedureTypeDef ProcedureOnGoing;   /* Internal variable to indicate which procedure is ongoing or not in IT context */
    
    __IO uint32_t               NbSectorsToErase;   /* Internal variable to save the remaining sectors to erase in IT context        */
    
    __IO uint8_t                VoltageForErase;    /* Internal variable to provide voltage range selected by user in IT context     */
    
    __IO uint32_t               Sector;             /* Internal variable to define the current sector which is erasing               */
  
    __IO uint32_t               Address;            /* Internal variable to save address selected for program                        */
    
    HAL_LockTypeDef             Lock;               /* FLASH locking object                                                          */
  
    __IO uint32_t               ErrorCode;          /* FLASH error code                                                              */
  
  }FLASH_ProcessTypeDef;
  
  /**
    * @}
    */
  
  /* Exported constants --------------------------------------------------------*/
  /** @defgroup FLASH_Exported_Constants FLASH Exported Constants
    * @{
    */  
  
  /** @defgroup FLASH_Error_Code FLASH Error Code
    * @brief    FLASH Error Code 
    * @{
    */ 
  #define HAL_FLASH_ERROR_NONE         ((uint32_t)0x00000000U)    /*!< No error                      */
  #define HAL_FLASH_ERROR_ERS          ((uint32_t)0x00000002U)    /*!< Programming Sequence error    */
  #define HAL_FLASH_ERROR_PGP          ((uint32_t)0x00000004U)    /*!< Programming Parallelism error */
  #define HAL_FLASH_ERROR_PGA          ((uint32_t)0x00000008U)    /*!< Programming Alignment error   */
  #define HAL_FLASH_ERROR_WRP          ((uint32_t)0x00000010U)    /*!< Write protection error        */
  #define HAL_FLASH_ERROR_OPERATION    ((uint32_t)0x00000020U)    /*!< Operation Error               */
  #define HAL_FLASH_ERROR_RD           ((uint32_t)0x00000040U)    /*!< Read Protection Error         */
  /**
    * @}
    */
    
  /** @defgroup FLASH_Type_Program FLASH Type Program
    * @{
    */ 
  #define FLASH_TYPEPROGRAM_BYTE        ((uint32_t)0x00U)  /*!< Program byte (8-bit) at a specified address           */
  #define FLASH_TYPEPROGRAM_HALFWORD    ((uint32_t)0x01U)  /*!< Program a half-word (16-bit) at a specified address   */
  #define FLASH_TYPEPROGRAM_WORD        ((uint32_t)0x02U)  /*!< Program a word (32-bit) at a specified address        */
  #define FLASH_TYPEPROGRAM_DOUBLEWORD  ((uint32_t)0x03U)  /*!< Program a double word (64-bit) at a specified address */
  /**
    * @}
    */
  
  /** @defgroup FLASH_Flag_definition FLASH Flag definition
    * @brief Flag definition
    * @{
    */ 
  #define FLASH_FLAG_EOP                 FLASH_SR_EOP            /*!< FLASH End of Operation flag               */
  #define FLASH_FLAG_OPERR               FLASH_SR_OPERR          /*!< FLASH operation Error flag                */
  #define FLASH_FLAG_WRPERR              FLASH_SR_WRPERR         /*!< FLASH Write protected error flag          */
  #define FLASH_FLAG_PGAERR              FLASH_SR_PGAERR         /*!< FLASH Programming Alignment error flag    */
  #define FLASH_FLAG_PGPERR              FLASH_SR_PGPERR         /*!< FLASH Programming Parallelism error flag  */
  #define FLASH_FLAG_ERSERR              FLASH_SR_ERSERR         /*!< FLASH Erasing Sequence error flag         */
  #define FLASH_FLAG_BSY                 FLASH_SR_BSY            /*!< FLASH Busy flag                           */
  
  #if defined (FLASH_OPTCR2_PCROP)
  #define FLASH_FLAG_RDERR               FLASH_SR_RDERR          /*!< FLASH Read protection error flag          */
  #define FLASH_FLAG_ALL_ERRORS     (FLASH_FLAG_OPERR   | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | \
                                     FLASH_FLAG_PGPERR  | FLASH_FLAG_ERSERR | FLASH_FLAG_RDERR)
  #else
  #define FLASH_FLAG_ALL_ERRORS     (FLASH_FLAG_OPERR   | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | \
                                     FLASH_FLAG_PGPERR  | FLASH_FLAG_ERSERR)
  #endif /* FLASH_OPTCR2_PCROP */
  /**
    * @}
    */
  
  /** @defgroup FLASH_Interrupt_definition FLASH Interrupt definition
    * @brief FLASH Interrupt definition
    * @{
    */
  #define FLASH_IT_EOP                   FLASH_CR_EOPIE          /*!< End of FLASH Operation Interrupt source */
  #define FLASH_IT_ERR                   ((uint32_t)0x02000000U)  /*!< Error Interrupt source                  */
  /**
    * @}
    */
  
  /** @defgroup FLASH_Program_Parallelism FLASH Program Parallelism
    * @{
    */
  #define FLASH_PSIZE_BYTE           ((uint32_t)0x00000000U)
  #define FLASH_PSIZE_HALF_WORD      ((uint32_t)FLASH_CR_PSIZE_0)
  #define FLASH_PSIZE_WORD           ((uint32_t)FLASH_CR_PSIZE_1)
  #define FLASH_PSIZE_DOUBLE_WORD    ((uint32_t)FLASH_CR_PSIZE)
  #define CR_PSIZE_MASK              ((uint32_t)0xFFFFFCFFU)
  /**
    * @}
    */ 
  
  /** @defgroup FLASH_Keys FLASH Keys
    * @{
    */ 
  #define FLASH_KEY1               ((uint32_t)0x45670123U)
  #define FLASH_KEY2               ((uint32_t)0xCDEF89ABU)
  #define FLASH_OPT_KEY1           ((uint32_t)0x08192A3BU)
  #define FLASH_OPT_KEY2           ((uint32_t)0x4C5D6E7FU)
  /**
    * @}
    */
  
  /** @defgroup FLASH_Sectors FLASH Sectors
    * @{
    */
  #define FLASH_SECTOR_0           ((uint32_t)0U) /*!< Sector Number 0   */
  #define FLASH_SECTOR_1           ((uint32_t)1U) /*!< Sector Number 1   */
  #define FLASH_SECTOR_2           ((uint32_t)2U) /*!< Sector Number 2   */
  #define FLASH_SECTOR_3           ((uint32_t)3U) /*!< Sector Number 3   */
  #define FLASH_SECTOR_4           ((uint32_t)4U) /*!< Sector Number 4   */
  #define FLASH_SECTOR_5           ((uint32_t)5U) /*!< Sector Number 5   */
  #define FLASH_SECTOR_6           ((uint32_t)6U) /*!< Sector Number 6   */
  #define FLASH_SECTOR_7           ((uint32_t)7U) /*!< Sector Number 7   */
  /**
    * @}
    */ 
  
  /**
    * @}
    */ 
    
  /* Exported macro ------------------------------------------------------------*/
  /** @defgroup FLASH_Exported_Macros FLASH Exported Macros
    * @{
    */
  /**
    * @brief  Set the FLASH Latency.
    * @param  __LATENCY__: FLASH Latency                   
    *         The value of this parameter depend on device used within the same series
    * @retval none
    */
  #define __HAL_FLASH_SET_LATENCY(__LATENCY__) \
                    MODIFY_REG(FLASH->ACR, FLASH_ACR_LATENCY, (uint32_t)(__LATENCY__))
  
  /**
    * @brief  Get the FLASH Latency.
    * @retval FLASH Latency                   
    *          The value of this parameter depend on device used within the same series
    */ 
  #define __HAL_FLASH_GET_LATENCY()     (READ_BIT((FLASH->ACR), FLASH_ACR_LATENCY))
  
  /**
    * @brief  Enable the FLASH prefetch buffer.
    * @retval none
    */ 
  #define __HAL_FLASH_PREFETCH_BUFFER_ENABLE()  (FLASH->ACR |= FLASH_ACR_PRFTEN)
  
  /**
    * @brief  Disable the FLASH prefetch buffer.
    * @retval none
    */ 
  #define __HAL_FLASH_PREFETCH_BUFFER_DISABLE()   (FLASH->ACR &= (~FLASH_ACR_PRFTEN))
  
  /**
    * @brief  Enable the FLASH Adaptive Real-Time memory accelerator.
    * @note   The ART accelerator is available only for flash access on ITCM interface.
    * @retval none
    */ 
  #define __HAL_FLASH_ART_ENABLE()  SET_BIT(FLASH->ACR, FLASH_ACR_ARTEN)
  
  /**
    * @brief  Disable the FLASH Adaptive Real-Time memory accelerator.
    * @retval none
    */ 
  #define __HAL_FLASH_ART_DISABLE()   CLEAR_BIT(FLASH->ACR, FLASH_ACR_ARTEN)
  
  /**
    * @brief  Resets the FLASH Adaptive Real-Time memory accelerator.
    * @note   This function must be used only when the Adaptive Real-Time memory accelerator
    *         is disabled.  
    * @retval None
    */
  #define __HAL_FLASH_ART_RESET()  (FLASH->ACR |= FLASH_ACR_ARTRST)
  
  /**
    * @brief  Enable the specified FLASH interrupt.
    * @param  __INTERRUPT__ : FLASH interrupt 
    *         This parameter can be any combination of the following values:
    *     @arg FLASH_IT_EOP: End of FLASH Operation Interrupt
    *     @arg FLASH_IT_ERR: Error Interrupt    
    * @retval none
    */  
  #define __HAL_FLASH_ENABLE_IT(__INTERRUPT__)  (FLASH->CR |= (__INTERRUPT__))
  
  /**
    * @brief  Disable the specified FLASH interrupt.
    * @param  __INTERRUPT__ : FLASH interrupt 
    *         This parameter can be any combination of the following values:
    *     @arg FLASH_IT_EOP: End of FLASH Operation Interrupt
    *     @arg FLASH_IT_ERR: Error Interrupt    
    * @retval none
    */  
  #define __HAL_FLASH_DISABLE_IT(__INTERRUPT__)  (FLASH->CR &= ~(uint32_t)(__INTERRUPT__))
  
  /**
    * @brief  Get the specified FLASH flag status. 
    * @param  __FLAG__: specifies the FLASH flag to check.
    *          This parameter can be one of the following values:
    *            @arg FLASH_FLAG_EOP   : FLASH End of Operation flag 
    *            @arg FLASH_FLAG_OPERR : FLASH operation Error flag 
    *            @arg FLASH_FLAG_WRPERR: FLASH Write protected error flag 
    *            @arg FLASH_FLAG_PGAERR: FLASH Programming Alignment error flag
    *            @arg FLASH_FLAG_PGPERR: FLASH Programming Parallelism error flag
    *            @arg FLASH_FLAG_ERSERR : FLASH Erasing Sequence error flag 
    *            @arg FLASH_FLAG_BSY   : FLASH Busy flag
    * @retval The new state of __FLAG__ (SET or RESET).
    */
  #define __HAL_FLASH_GET_FLAG(__FLAG__)   ((FLASH->SR & (__FLAG__)))
  
  /**
    * @brief  Clear the specified FLASH flag.
    * @param  __FLAG__: specifies the FLASH flags to clear.
    *          This parameter can be any combination of the following values:
    *            @arg FLASH_FLAG_EOP   : FLASH End of Operation flag 
    *            @arg FLASH_FLAG_OPERR : FLASH operation Error flag 
    *            @arg FLASH_FLAG_WRPERR: FLASH Write protected error flag 
    *            @arg FLASH_FLAG_PGAERR: FLASH Programming Alignment error flag 
    *            @arg FLASH_FLAG_PGPERR: FLASH Programming Parallelism error flag
    *            @arg FLASH_FLAG_ERSERR : FLASH Erasing Sequence error flag    
    * @retval none
    */
  #define __HAL_FLASH_CLEAR_FLAG(__FLAG__)   (FLASH->SR = (__FLAG__))
  /**
    * @}
    */
  
  /* Include FLASH HAL Extension module */
  #include "stm32f7xx_hal_flash_ex.h"
  
  /* Exported functions --------------------------------------------------------*/
  /** @addtogroup FLASH_Exported_Functions
    * @{
    */
  /** @addtogroup FLASH_Exported_Functions_Group1
    * @{
    */
  /* Program operation functions  ***********************************************/
  HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data);
  HAL_StatusTypeDef HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint64_t Data);
  /* FLASH IRQ handler method */
  void HAL_FLASH_IRQHandler(void);
  /* Callbacks in non blocking modes */ 
  void HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue);
  void HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue);
  /**
    * @}
    */
  
  /** @addtogroup FLASH_Exported_Functions_Group2
    * @{
    */
  /* Peripheral Control functions  **********************************************/
  HAL_StatusTypeDef HAL_FLASH_Unlock(void);
  HAL_StatusTypeDef HAL_FLASH_Lock(void);
  HAL_StatusTypeDef HAL_FLASH_OB_Unlock(void);
  HAL_StatusTypeDef HAL_FLASH_OB_Lock(void);
  /* Option bytes control */
  HAL_StatusTypeDef HAL_FLASH_OB_Launch(void);
  /**
    * @}
    */
  
  /** @addtogroup FLASH_Exported_Functions_Group3
    * @{
    */
  /* Peripheral State functions  ************************************************/
  uint32_t HAL_FLASH_GetError(void);
  HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout);
  /**
    * @}
    */
  
  /**
    * @}
    */
  /* Private types -------------------------------------------------------------*/
  /* Private variables ---------------------------------------------------------*/
  /** @defgroup FLASH_Private_Variables FLASH Private Variables
    * @{
    */
  
  /**
    * @}
    */
  /* Private constants ---------------------------------------------------------*/
  /** @defgroup FLASH_Private_Constants FLASH Private Constants
    * @{
    */
  
  /** 
    * @brief   OPTCR register byte 1 (Bits[15:8]) base address  
    */ 
  #define OPTCR_BYTE1_ADDRESS         ((uint32_t)0x40023C15)
  
  /**
    * @}
    */
  
  /* Private macros ------------------------------------------------------------*/
  /** @defgroup FLASH_Private_Macros FLASH Private Macros
    * @{
    */
  
  /** @defgroup FLASH_IS_FLASH_Definitions FLASH Private macros to check input parameters
    * @{
    */
  #define IS_FLASH_TYPEPROGRAM(VALUE)(((VALUE) == FLASH_TYPEPROGRAM_BYTE) || \
                                      ((VALUE) == FLASH_TYPEPROGRAM_HALFWORD) || \
                                      ((VALUE) == FLASH_TYPEPROGRAM_WORD) || \
                                      ((VALUE) == FLASH_TYPEPROGRAM_DOUBLEWORD))  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /* Private functions ---------------------------------------------------------*/
  /** @defgroup FLASH_Private_Functions FLASH Private Functions
    * @{
    */
  
  /**
    * @}
    */
  
  /**
    * @}
    */ 
  
  /**
    * @}
    */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __STM32F7xx_HAL_FLASH_H */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  