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Diffstat (limited to 'stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c')
-rw-r--r-- | stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c | 1140 |
1 files changed, 0 insertions, 1140 deletions
diff --git a/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c b/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c deleted file mode 100644 index 0416efe..0000000 --- a/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c +++ /dev/null @@ -1,1140 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f1xx_hal_flash_ex.c - * @author MCD Application Team - * @version V1.0.4 - * @date 29-April-2016 - * @brief Extended FLASH HAL module driver. - * - * This file provides firmware functions to manage the following - * functionalities of the FLASH peripheral: - * + Extended Initialization/de-initialization functions - * + Extended I/O operation functions - * + Extended Peripheral Control functions - * - @verbatim - ============================================================================== - ##### Flash peripheral extended features ##### - ============================================================================== - - ##### How to use this driver ##### - ============================================================================== - [..] This driver provides functions to configure and program the FLASH memory - of all STM32F1xxx devices. It includes - - (++) Set/Reset the write protection - (++) Program the user Option Bytes - (++) Get the Read protection Level - - @endverbatim - ****************************************************************************** - * @attention - * - * <h2><center>© COPYRIGHT(c) 2016 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 "stm32f1xx_hal.h" - -/** @addtogroup STM32F1xx_HAL_Driver - * @{ - */ -#ifdef HAL_FLASH_MODULE_ENABLED - -/** @addtogroup FLASH - * @{ - */ -/** @addtogroup FLASH_Private_Variables - * @{ - */ -/* Variables used for Erase pages under interruption*/ -extern FLASH_ProcessTypeDef pFlash; -/** - * @} - */ - -/** - * @} - */ - -/** @defgroup FLASHEx FLASHEx - * @brief FLASH HAL Extension module driver - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @defgroup FLASHEx_Private_Constants FLASHEx Private Constants - * @{ - */ -#define FLASH_POSITION_IWDGSW_BIT (uint32_t)POSITION_VAL(FLASH_OBR_IWDG_SW) -#define FLASH_POSITION_OB_USERDATA0_BIT (uint32_t)POSITION_VAL(FLASH_OBR_DATA0) -#define FLASH_POSITION_OB_USERDATA1_BIT (uint32_t)POSITION_VAL(FLASH_OBR_DATA1) -/** - * @} - */ - -/* Private macro -------------------------------------------------------------*/ -/** @defgroup FLASHEx_Private_Macros FLASHEx Private Macros - * @{ - */ -/** - * @} - */ - -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/** @defgroup FLASHEx_Private_Functions FLASHEx Private Functions - * @{ - */ -/* Erase operations */ -static void FLASH_MassErase(uint32_t Banks); - -/* Option bytes control */ -static HAL_StatusTypeDef FLASH_OB_EnableWRP(uint32_t WriteProtectPage); -static HAL_StatusTypeDef FLASH_OB_DisableWRP(uint32_t WriteProtectPage); -static HAL_StatusTypeDef FLASH_OB_RDP_LevelConfig(uint8_t ReadProtectLevel); -static HAL_StatusTypeDef FLASH_OB_UserConfig(uint8_t UserConfig); -static HAL_StatusTypeDef FLASH_OB_ProgramData(uint32_t Address, uint8_t Data); -static uint32_t FLASH_OB_GetWRP(void); -static uint32_t FLASH_OB_GetRDP(void); -static uint8_t FLASH_OB_GetUser(void); - -/** - * @} - */ - -/* Exported functions ---------------------------------------------------------*/ -/** @defgroup FLASHEx_Exported_Functions FLASHEx Exported Functions - * @{ - */ - -/** @defgroup FLASHEx_Exported_Functions_Group1 FLASHEx Memory Erasing functions - * @brief FLASH Memory Erasing functions - * -@verbatim - ============================================================================== - ##### FLASH Erasing Programming functions ##### - ============================================================================== - - [..] The FLASH Memory Erasing functions, includes the following functions: - (+) @ref HAL_FLASHEx_Erase: return only when erase has been done - (+) @ref HAL_FLASHEx_Erase_IT: end of erase is done when @ref HAL_FLASH_EndOfOperationCallback - is called with parameter 0xFFFFFFFF - - [..] Any operation of erase should follow these steps: - (#) Call the @ref HAL_FLASH_Unlock() function to enable the flash control register and - program memory access. - (#) Call the desired function to erase page. - (#) Call the @ref HAL_FLASH_Lock() to disable the flash program memory access - (recommended to protect the FLASH memory against possible unwanted operation). - -@endverbatim - * @{ - */ - - -/** - * @brief Perform a mass erase or erase the specified FLASH memory pages - * @note To correctly run this function, the @ref HAL_FLASH_Unlock() function - * must be called before. - * Call the @ref HAL_FLASH_Lock() to disable the flash memory access - * (recommended to protect the FLASH memory against possible unwanted operation) - * @param[in] pEraseInit pointer to an FLASH_EraseInitTypeDef structure that - * contains the configuration information for the erasing. - * - * @param[out] PageError pointer to variable that - * contains the configuration information on faulty page in case of error - * (0xFFFFFFFF means that all the pages have been correctly erased) - * - * @retval HAL_StatusTypeDef HAL Status - */ -HAL_StatusTypeDef HAL_FLASHEx_Erase(FLASH_EraseInitTypeDef *pEraseInit, uint32_t *PageError) -{ - HAL_StatusTypeDef status = HAL_ERROR; - uint32_t address = 0; - - /* Process Locked */ - __HAL_LOCK(&pFlash); - - /* Check the parameters */ - assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase)); - - if (pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE) - { -#if defined(FLASH_BANK2_END) - if (pEraseInit->Banks == FLASH_BANK_BOTH) - { - /* Mass Erase requested for Bank1 and Bank2 */ - /* Wait for last operation to be completed */ - if ((FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK) && \ - (FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK)) - { - /*Mass erase to be done*/ - FLASH_MassErase(FLASH_BANK_BOTH); - - /* Wait for last operation to be completed */ - if ((FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK) && \ - (FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK)) - { - status = HAL_OK; - } - - /* If the erase operation is completed, disable the MER Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_MER); - CLEAR_BIT(FLASH->CR2, FLASH_CR2_MER); - } - } - else if (pEraseInit->Banks == FLASH_BANK_2) - { - /* Mass Erase requested for Bank2 */ - /* Wait for last operation to be completed */ - if (FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK) - { - /*Mass erase to be done*/ - FLASH_MassErase(FLASH_BANK_2); - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE); - - /* If the erase operation is completed, disable the MER Bit */ - CLEAR_BIT(FLASH->CR2, FLASH_CR2_MER); - } - } - else -#endif /* FLASH_BANK2_END */ - { - /* Mass Erase requested for Bank1 */ - /* Wait for last operation to be completed */ - if (FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK) - { - /*Mass erase to be done*/ - FLASH_MassErase(FLASH_BANK_1); - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - /* If the erase operation is completed, disable the MER Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_MER); - } - } - } - else - { - /* Page Erase is requested */ - /* Check the parameters */ - assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress)); - assert_param(IS_FLASH_NB_PAGES(pEraseInit->PageAddress, pEraseInit->NbPages)); - -#if defined(FLASH_BANK2_END) - /* Page Erase requested on address located on bank2 */ - if(pEraseInit->PageAddress > FLASH_BANK1_END) - { - /* Wait for last operation to be completed */ - if (FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK) - { - /*Initialization of PageError variable*/ - *PageError = 0xFFFFFFFF; - - /* Erase by page by page to be done*/ - for(address = pEraseInit->PageAddress; - address < (pEraseInit->PageAddress + (pEraseInit->NbPages)*FLASH_PAGE_SIZE); - address += FLASH_PAGE_SIZE) - { - FLASH_PageErase(address); - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE); - - /* If the erase operation is completed, disable the PER Bit */ - CLEAR_BIT(FLASH->CR2, FLASH_CR2_PER); - - if (status != HAL_OK) - { - /* In case of error, stop erase procedure and return the faulty address */ - *PageError = address; - break; - } - } - } - } - else -#endif /* FLASH_BANK2_END */ - { - /* Page Erase requested on address located on bank1 */ - /* Wait for last operation to be completed */ - if (FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK) - { - /*Initialization of PageError variable*/ - *PageError = 0xFFFFFFFF; - - /* Erase page by page to be done*/ - for(address = pEraseInit->PageAddress; - address < ((pEraseInit->NbPages * FLASH_PAGE_SIZE) + pEraseInit->PageAddress); - address += FLASH_PAGE_SIZE) - { - FLASH_PageErase(address); - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - /* If the erase operation is completed, disable the PER Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_PER); - - if (status != HAL_OK) - { - /* In case of error, stop erase procedure and return the faulty address */ - *PageError = address; - break; - } - } - } - } - } - - /* Process Unlocked */ - __HAL_UNLOCK(&pFlash); - - return status; -} - -/** - * @brief Perform a mass erase or erase the specified FLASH memory pages with interrupt enabled - * @note To correctly run this function, the @ref HAL_FLASH_Unlock() function - * must be called before. - * Call the @ref HAL_FLASH_Lock() to disable the flash memory access - * (recommended to protect the FLASH memory against possible unwanted operation) - * @param pEraseInit pointer to an FLASH_EraseInitTypeDef structure that - * contains the configuration information for the erasing. - * - * @retval HAL_StatusTypeDef HAL Status - */ -HAL_StatusTypeDef HAL_FLASHEx_Erase_IT(FLASH_EraseInitTypeDef *pEraseInit) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Process Locked */ - __HAL_LOCK(&pFlash); - - /* If procedure already ongoing, reject the next one */ - if (pFlash.ProcedureOnGoing != FLASH_PROC_NONE) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase)); - - /* Enable End of FLASH Operation and Error source interrupts */ - __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR); - -#if defined(FLASH_BANK2_END) - /* Enable End of FLASH Operation and Error source interrupts */ - __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP_BANK2 | FLASH_IT_ERR_BANK2); - -#endif - if (pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE) - { - /*Mass erase to be done*/ - pFlash.ProcedureOnGoing = FLASH_PROC_MASSERASE; - FLASH_MassErase(pEraseInit->Banks); - } - else - { - /* Erase by page to be done*/ - - /* Check the parameters */ - assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress)); - assert_param(IS_FLASH_NB_PAGES(pEraseInit->PageAddress, pEraseInit->NbPages)); - - pFlash.ProcedureOnGoing = FLASH_PROC_PAGEERASE; - pFlash.DataRemaining = pEraseInit->NbPages; - pFlash.Address = pEraseInit->PageAddress; - - /*Erase 1st page and wait for IT*/ - FLASH_PageErase(pEraseInit->PageAddress); - } - - return status; -} - -/** - * @} - */ - -/** @defgroup FLASHEx_Exported_Functions_Group2 Option Bytes Programming functions - * @brief Option Bytes Programming functions - * -@verbatim - ============================================================================== - ##### Option Bytes Programming functions ##### - ============================================================================== - [..] - This subsection provides a set of functions allowing to control the FLASH - option bytes operations. - -@endverbatim - * @{ - */ - -/** - * @brief Erases the FLASH option bytes. - * @note This functions erases all option bytes except the Read protection (RDP). - * The function @ref HAL_FLASH_Unlock() should be called before to unlock the FLASH interface - * The function @ref HAL_FLASH_OB_Unlock() should be called before to unlock the options bytes - * The function @ref HAL_FLASH_OB_Launch() should be called after to force the reload of the options bytes - * (system reset will occur) - * @retval HAL status - */ - -HAL_StatusTypeDef HAL_FLASHEx_OBErase(void) -{ - uint8_t rdptmp = OB_RDP_LEVEL_0; - HAL_StatusTypeDef status = HAL_ERROR; - - /* Get the actual read protection Option Byte value */ - rdptmp = FLASH_OB_GetRDP(); - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - if(status == HAL_OK) - { - /* Clean the error context */ - pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; - - /* If the previous operation is completed, proceed to erase the option bytes */ - SET_BIT(FLASH->CR, FLASH_CR_OPTER); - SET_BIT(FLASH->CR, FLASH_CR_STRT); - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - /* If the erase operation is completed, disable the OPTER Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_OPTER); - - if(status == HAL_OK) - { - /* Restore the last read protection Option Byte value */ - status = FLASH_OB_RDP_LevelConfig(rdptmp); - } - } - - /* Return the erase status */ - return status; -} - -/** - * @brief Program option bytes - * @note The function @ref HAL_FLASH_Unlock() should be called before to unlock the FLASH interface - * The function @ref HAL_FLASH_OB_Unlock() should be called before to unlock the options bytes - * The function @ref HAL_FLASH_OB_Launch() should be called after to force the reload of the options bytes - * (system reset will occur) - * - * @param pOBInit pointer to an FLASH_OBInitStruct structure that - * contains the configuration information for the programming. - * - * @retval HAL_StatusTypeDef HAL Status - */ -HAL_StatusTypeDef HAL_FLASHEx_OBProgram(FLASH_OBProgramInitTypeDef *pOBInit) -{ - HAL_StatusTypeDef status = HAL_ERROR; - - /* Process Locked */ - __HAL_LOCK(&pFlash); - - /* Check the parameters */ - assert_param(IS_OPTIONBYTE(pOBInit->OptionType)); - - /* Write protection configuration */ - if((pOBInit->OptionType & OPTIONBYTE_WRP) == OPTIONBYTE_WRP) - { - assert_param(IS_WRPSTATE(pOBInit->WRPState)); - if (pOBInit->WRPState == OB_WRPSTATE_ENABLE) - { - /* Enable of Write protection on the selected page */ - status = FLASH_OB_EnableWRP(pOBInit->WRPPage); - } - else - { - /* Disable of Write protection on the selected page */ - status = FLASH_OB_DisableWRP(pOBInit->WRPPage); - } - if (status != HAL_OK) - { - /* Process Unlocked */ - __HAL_UNLOCK(&pFlash); - return status; - } - } - - /* Read protection configuration */ - if((pOBInit->OptionType & OPTIONBYTE_RDP) == OPTIONBYTE_RDP) - { - status = FLASH_OB_RDP_LevelConfig(pOBInit->RDPLevel); - if (status != HAL_OK) - { - /* Process Unlocked */ - __HAL_UNLOCK(&pFlash); - return status; - } - } - - /* USER configuration */ - if((pOBInit->OptionType & OPTIONBYTE_USER) == OPTIONBYTE_USER) - { - status = FLASH_OB_UserConfig(pOBInit->USERConfig); - if (status != HAL_OK) - { - /* Process Unlocked */ - __HAL_UNLOCK(&pFlash); - return status; - } - } - - /* DATA configuration*/ - if((pOBInit->OptionType & OPTIONBYTE_DATA) == OPTIONBYTE_DATA) - { - status = FLASH_OB_ProgramData(pOBInit->DATAAddress, pOBInit->DATAData); - if (status != HAL_OK) - { - /* Process Unlocked */ - __HAL_UNLOCK(&pFlash); - return status; - } - } - - /* Process Unlocked */ - __HAL_UNLOCK(&pFlash); - - return status; -} - -/** - * @brief Get the Option byte configuration - * @param pOBInit pointer to an FLASH_OBInitStruct structure that - * contains the configuration information for the programming. - * - * @retval None - */ -void HAL_FLASHEx_OBGetConfig(FLASH_OBProgramInitTypeDef *pOBInit) -{ - pOBInit->OptionType = OPTIONBYTE_WRP | OPTIONBYTE_RDP | OPTIONBYTE_USER; - - /*Get WRP*/ - pOBInit->WRPPage = FLASH_OB_GetWRP(); - - /*Get RDP Level*/ - pOBInit->RDPLevel = FLASH_OB_GetRDP(); - - /*Get USER*/ - pOBInit->USERConfig = FLASH_OB_GetUser(); -} - -/** - * @brief Get the Option byte user data - * @param DATAAdress Address of the option byte DATA - * This parameter can be one of the following values: - * @arg @ref OB_DATA_ADDRESS_DATA0 - * @arg @ref OB_DATA_ADDRESS_DATA1 - * @retval Value programmed in USER data - */ -uint32_t HAL_FLASHEx_OBGetUserData(uint32_t DATAAdress) -{ - uint32_t value = 0; - - if (DATAAdress == OB_DATA_ADDRESS_DATA0) - { - /* Get value programmed in OB USER Data0 */ - value = READ_BIT(FLASH->OBR, FLASH_OBR_DATA0) >> FLASH_POSITION_OB_USERDATA0_BIT; - } - else - { - /* Get value programmed in OB USER Data1 */ - value = READ_BIT(FLASH->OBR, FLASH_OBR_DATA1) >> FLASH_POSITION_OB_USERDATA1_BIT; - } - - return value; -} - -/** - * @} - */ - -/** - * @} - */ - -/** @addtogroup FLASHEx_Private_Functions - * @{ - */ - -/** - * @brief Full erase of FLASH memory Bank - * @param Banks Banks to be erased - * This parameter can be one of the following values: - * @arg @ref FLASH_BANK_1 Bank1 to be erased - @if STM32F101xG - * @arg @ref FLASH_BANK_2 Bank2 to be erased - * @arg @ref FLASH_BANK_BOTH Bank1 and Bank2 to be erased - @endif - @if STM32F103xG - * @arg @ref FLASH_BANK_2 Bank2 to be erased - * @arg @ref FLASH_BANK_BOTH Bank1 and Bank2 to be erased - @endif - * - * @retval None - */ -static void FLASH_MassErase(uint32_t Banks) -{ - /* Check the parameters */ - assert_param(IS_FLASH_BANK(Banks)); - - /* Clean the error context */ - pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; - -#if defined(FLASH_BANK2_END) - if(Banks == FLASH_BANK_BOTH) - { - /* bank1 & bank2 will be erased*/ - SET_BIT(FLASH->CR, FLASH_CR_MER); - SET_BIT(FLASH->CR2, FLASH_CR2_MER); - SET_BIT(FLASH->CR, FLASH_CR_STRT); - SET_BIT(FLASH->CR2, FLASH_CR2_STRT); - } - else if(Banks == FLASH_BANK_2) - { - /*Only bank2 will be erased*/ - SET_BIT(FLASH->CR2, FLASH_CR2_MER); - SET_BIT(FLASH->CR2, FLASH_CR2_STRT); - } - else - { -#endif /* FLASH_BANK2_END */ - /* Only bank1 will be erased*/ - SET_BIT(FLASH->CR, FLASH_CR_MER); - SET_BIT(FLASH->CR, FLASH_CR_STRT); -#if defined(FLASH_BANK2_END) - } -#endif /* FLASH_BANK2_END */ -} - -/** - * @brief Enable the write protection of the desired pages - * @note An option byte erase is done automatically in this function. - * @note When the memory read protection level is selected (RDP level = 1), - * it is not possible to program or erase the flash page i if - * debug features are connected or boot code is executed in RAM, even if nWRPi = 1 - * - * @param WriteProtectPage specifies the page(s) to be write protected. - * The value of this parameter depend on device used within the same series - * @retval HAL status - */ -static HAL_StatusTypeDef FLASH_OB_EnableWRP(uint32_t WriteProtectPage) -{ - HAL_StatusTypeDef status = HAL_OK; - uint16_t WRP0_Data = 0xFFFF; -#if defined(FLASH_WRP1_WRP1) - uint16_t WRP1_Data = 0xFFFF; -#endif /* FLASH_WRP1_WRP1 */ -#if defined(FLASH_WRP2_WRP2) - uint16_t WRP2_Data = 0xFFFF; -#endif /* FLASH_WRP2_WRP2 */ -#if defined(FLASH_WRP3_WRP3) - uint16_t WRP3_Data = 0xFFFF; -#endif /* FLASH_WRP3_WRP3 */ - - /* Check the parameters */ - assert_param(IS_OB_WRP(WriteProtectPage)); - - /* Get current write protected pages and the new pages to be protected ******/ - WriteProtectPage = (uint32_t)(~((~FLASH_OB_GetWRP()) | WriteProtectPage)); - -#if defined(OB_WRP_PAGES0TO15MASK) - WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO15MASK); -#elif defined(OB_WRP_PAGES0TO31MASK) - WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO31MASK); -#endif /* OB_WRP_PAGES0TO31MASK */ - -#if defined(OB_WRP_PAGES16TO31MASK) - WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES16TO31MASK) >> 8); -#elif defined(OB_WRP_PAGES32TO63MASK) - WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO63MASK) >> 8); -#endif /* OB_WRP_PAGES32TO63MASK */ - -#if defined(OB_WRP_PAGES64TO95MASK) - WRP2_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES64TO95MASK) >> 16); -#endif /* OB_WRP_PAGES64TO95MASK */ -#if defined(OB_WRP_PAGES32TO47MASK) - WRP2_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO47MASK) >> 16); -#endif /* OB_WRP_PAGES32TO47MASK */ - -#if defined(OB_WRP_PAGES96TO127MASK) - WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES96TO127MASK) >> 24); -#elif defined(OB_WRP_PAGES48TO255MASK) - WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO255MASK) >> 24); -#elif defined(OB_WRP_PAGES48TO511MASK) - WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO511MASK) >> 24); -#elif defined(OB_WRP_PAGES48TO127MASK) - WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO127MASK) >> 24); -#endif /* OB_WRP_PAGES96TO127MASK */ - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - if(status == HAL_OK) - { - /* Clean the error context */ - pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; - - /* To be able to write again option byte, need to perform a option byte erase */ - status = HAL_FLASHEx_OBErase(); - if (status == HAL_OK) - { - /* Enable write protection */ - SET_BIT(FLASH->CR, FLASH_CR_OPTPG); - -#if defined(FLASH_WRP0_WRP0) - if(WRP0_Data != 0xFF) - { - OB->WRP0 &= WRP0_Data; - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - } -#endif /* FLASH_WRP0_WRP0 */ - -#if defined(FLASH_WRP1_WRP1) - if((status == HAL_OK) && (WRP1_Data != 0xFF)) - { - OB->WRP1 &= WRP1_Data; - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - } -#endif /* FLASH_WRP1_WRP1 */ - -#if defined(FLASH_WRP2_WRP2) - if((status == HAL_OK) && (WRP2_Data != 0xFF)) - { - OB->WRP2 &= WRP2_Data; - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - } -#endif /* FLASH_WRP2_WRP2 */ - -#if defined(FLASH_WRP3_WRP3) - if((status == HAL_OK) && (WRP3_Data != 0xFF)) - { - OB->WRP3 &= WRP3_Data; - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - } -#endif /* FLASH_WRP3_WRP3 */ - - /* if the program operation is completed, disable the OPTPG Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG); - } - } - - return status; -} - -/** - * @brief Disable the write protection of the desired pages - * @note An option byte erase is done automatically in this function. - * @note When the memory read protection level is selected (RDP level = 1), - * it is not possible to program or erase the flash page i if - * debug features are connected or boot code is executed in RAM, even if nWRPi = 1 - * - * @param WriteProtectPage specifies the page(s) to be write unprotected. - * The value of this parameter depend on device used within the same series - * @retval HAL status - */ -static HAL_StatusTypeDef FLASH_OB_DisableWRP(uint32_t WriteProtectPage) -{ - HAL_StatusTypeDef status = HAL_OK; - uint16_t WRP0_Data = 0xFFFF; -#if defined(FLASH_WRP1_WRP1) - uint16_t WRP1_Data = 0xFFFF; -#endif /* FLASH_WRP1_WRP1 */ -#if defined(FLASH_WRP2_WRP2) - uint16_t WRP2_Data = 0xFFFF; -#endif /* FLASH_WRP2_WRP2 */ -#if defined(FLASH_WRP3_WRP3) - uint16_t WRP3_Data = 0xFFFF; -#endif /* FLASH_WRP3_WRP3 */ - - /* Check the parameters */ - assert_param(IS_OB_WRP(WriteProtectPage)); - - /* Get current write protected pages and the new pages to be unprotected ******/ - WriteProtectPage = (FLASH_OB_GetWRP() | WriteProtectPage); - -#if defined(OB_WRP_PAGES0TO15MASK) - WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO15MASK); -#elif defined(OB_WRP_PAGES0TO31MASK) - WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO31MASK); -#endif /* OB_WRP_PAGES0TO31MASK */ - -#if defined(OB_WRP_PAGES16TO31MASK) - WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES16TO31MASK) >> 8); -#elif defined(OB_WRP_PAGES32TO63MASK) - WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO63MASK) >> 8); -#endif /* OB_WRP_PAGES32TO63MASK */ - -#if defined(OB_WRP_PAGES64TO95MASK) - WRP2_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES64TO95MASK) >> 16); -#endif /* OB_WRP_PAGES64TO95MASK */ -#if defined(OB_WRP_PAGES32TO47MASK) - WRP2_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO47MASK) >> 16); -#endif /* OB_WRP_PAGES32TO47MASK */ - -#if defined(OB_WRP_PAGES96TO127MASK) - WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES96TO127MASK) >> 24); -#elif defined(OB_WRP_PAGES48TO255MASK) - WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO255MASK) >> 24); -#elif defined(OB_WRP_PAGES48TO511MASK) - WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO511MASK) >> 24); -#elif defined(OB_WRP_PAGES48TO127MASK) - WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO127MASK) >> 24); -#endif /* OB_WRP_PAGES96TO127MASK */ - - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - if(status == HAL_OK) - { - /* Clean the error context */ - pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; - - /* To be able to write again option byte, need to perform a option byte erase */ - status = HAL_FLASHEx_OBErase(); - if (status == HAL_OK) - { - SET_BIT(FLASH->CR, FLASH_CR_OPTPG); - -#if defined(FLASH_WRP0_WRP0) - if(WRP0_Data != 0xFF) - { - OB->WRP0 |= WRP0_Data; - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - } -#endif /* FLASH_WRP0_WRP0 */ - -#if defined(FLASH_WRP1_WRP1) - if((status == HAL_OK) && (WRP1_Data != 0xFF)) - { - OB->WRP1 |= WRP1_Data; - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - } -#endif /* FLASH_WRP1_WRP1 */ - -#if defined(FLASH_WRP2_WRP2) - if((status == HAL_OK) && (WRP2_Data != 0xFF)) - { - OB->WRP2 |= WRP2_Data; - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - } -#endif /* FLASH_WRP2_WRP2 */ - -#if defined(FLASH_WRP3_WRP3) - if((status == HAL_OK) && (WRP3_Data != 0xFF)) - { - OB->WRP3 |= WRP3_Data; - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - } -#endif /* FLASH_WRP3_WRP3 */ - - /* if the program operation is completed, disable the OPTPG Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG); - } - } - return status; -} - -/** - * @brief Set the read protection level. - * @param ReadProtectLevel specifies the read protection level. - * This parameter can be one of the following values: - * @arg @ref OB_RDP_LEVEL_0 No protection - * @arg @ref OB_RDP_LEVEL_1 Read protection of the memory - * @retval HAL status - */ -static HAL_StatusTypeDef FLASH_OB_RDP_LevelConfig(uint8_t ReadProtectLevel) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Check the parameters */ - assert_param(IS_OB_RDP_LEVEL(ReadProtectLevel)); - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - if(status == HAL_OK) - { - /* Clean the error context */ - pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; - - /* If the previous operation is completed, proceed to erase the option bytes */ - SET_BIT(FLASH->CR, FLASH_CR_OPTER); - SET_BIT(FLASH->CR, FLASH_CR_STRT); - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - /* If the erase operation is completed, disable the OPTER Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_OPTER); - - if(status == HAL_OK) - { - /* Enable the Option Bytes Programming operation */ - SET_BIT(FLASH->CR, FLASH_CR_OPTPG); - - WRITE_REG(OB->RDP, ReadProtectLevel); - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - /* if the program operation is completed, disable the OPTPG Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG); - } - } - - return status; -} - -/** - * @brief Program the FLASH User Option Byte. - * @note Programming of the OB should be performed only after an erase (otherwise PGERR occurs) - * @param UserConfig The FLASH User Option Bytes values FLASH_OBR_IWDG_SW(Bit2), - * FLASH_OBR_nRST_STOP(Bit3),FLASH_OBR_nRST_STDBY(Bit4). - * And BFBF2(Bit5) for STM32F101xG and STM32F103xG . - * @retval HAL status - */ -static HAL_StatusTypeDef FLASH_OB_UserConfig(uint8_t UserConfig) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Check the parameters */ - assert_param(IS_OB_IWDG_SOURCE((UserConfig&OB_IWDG_SW))); - assert_param(IS_OB_STOP_SOURCE((UserConfig&OB_STOP_NO_RST))); - assert_param(IS_OB_STDBY_SOURCE((UserConfig&OB_STDBY_NO_RST))); -#if defined(FLASH_BANK2_END) - assert_param(IS_OB_BOOT1((UserConfig&OB_BOOT1_SET))); -#endif /* FLASH_BANK2_END */ - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - if(status == HAL_OK) - { - /* Clean the error context */ - pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; - - /* Enable the Option Bytes Programming operation */ - SET_BIT(FLASH->CR, FLASH_CR_OPTPG); - -#if defined(FLASH_BANK2_END) - OB->USER = (UserConfig | 0xF0); -#else - OB->USER = (UserConfig | 0x88); -#endif /* FLASH_BANK2_END */ - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - /* if the program operation is completed, disable the OPTPG Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG); - } - - return status; -} - -/** - * @brief Programs a half word at a specified Option Byte Data address. - * @note The function @ref HAL_FLASH_Unlock() should be called before to unlock the FLASH interface - * The function @ref HAL_FLASH_OB_Unlock() should be called before to unlock the options bytes - * The function @ref HAL_FLASH_OB_Launch() should be called after to force the reload of the options bytes - * (system reset will occur) - * Programming of the OB should be performed only after an erase (otherwise PGERR occurs) - * @param Address specifies the address to be programmed. - * This parameter can be 0x1FFFF804 or 0x1FFFF806. - * @param Data specifies the data to be programmed. - * @retval HAL status - */ -static HAL_StatusTypeDef FLASH_OB_ProgramData(uint32_t Address, uint8_t Data) -{ - HAL_StatusTypeDef status = HAL_ERROR; - - /* Check the parameters */ - assert_param(IS_OB_DATA_ADDRESS(Address)); - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - if(status == HAL_OK) - { - /* Clean the error context */ - pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; - - /* Enables the Option Bytes Programming operation */ - SET_BIT(FLASH->CR, FLASH_CR_OPTPG); - *(__IO uint16_t*)Address = Data; - - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - /* If the program operation is completed, disable the OPTPG Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG); - } - /* Return the Option Byte Data Program Status */ - return status; -} - -/** - * @brief Return the FLASH Write Protection Option Bytes value. - * @retval The FLASH Write Protection Option Bytes value - */ -static uint32_t FLASH_OB_GetWRP(void) -{ - /* Return the FLASH write protection Register value */ - return (uint32_t)(READ_REG(FLASH->WRPR)); -} - -/** - * @brief Returns the FLASH Read Protection level. - * @retval FLASH ReadOut Protection Status: - * This parameter can be one of the following values: - * @arg @ref OB_RDP_LEVEL_0 No protection - * @arg @ref OB_RDP_LEVEL_1 Read protection of the memory - */ -static uint32_t FLASH_OB_GetRDP(void) -{ - uint32_t readstatus = OB_RDP_LEVEL_0; - uint32_t tmp_reg = 0; - - /* Read RDP level bits */ - tmp_reg = READ_BIT(FLASH->OBR, FLASH_OBR_RDPRT); - - if (tmp_reg == FLASH_OBR_RDPRT) - { - readstatus = OB_RDP_LEVEL_1; - } - else - { - readstatus = OB_RDP_LEVEL_0; - } - - return readstatus; -} - -/** - * @brief Return the FLASH User Option Byte value. - * @retval The FLASH User Option Bytes values: FLASH_OBR_IWDG_SW(Bit2), - * FLASH_OBR_nRST_STOP(Bit3),FLASH_OBR_nRST_STDBY(Bit4). - * And FLASH_OBR_BFB2(Bit5) for STM32F101xG and STM32F103xG . - */ -static uint8_t FLASH_OB_GetUser(void) -{ - /* Return the User Option Byte */ - return (uint8_t)((READ_REG(FLASH->OBR) & FLASH_OBR_USER) >> FLASH_POSITION_IWDGSW_BIT); -} - -/** - * @} - */ - -/** - * @} - */ - -/** @addtogroup FLASH - * @{ - */ - -/** @addtogroup FLASH_Private_Functions - * @{ - */ - -/** - * @brief Erase the specified FLASH memory page - * @param PageAddress FLASH page to erase - * The value of this parameter depend on device used within the same series - * - * @retval None - */ -void FLASH_PageErase(uint32_t PageAddress) -{ - /* Clean the error context */ - pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; - -#if defined(FLASH_BANK2_END) - if(PageAddress > FLASH_BANK1_END) - { - /* Proceed to erase the page */ - SET_BIT(FLASH->CR2, FLASH_CR2_PER); - WRITE_REG(FLASH->AR2, PageAddress); - SET_BIT(FLASH->CR2, FLASH_CR2_STRT); - } - else - { -#endif /* FLASH_BANK2_END */ - /* Proceed to erase the page */ - SET_BIT(FLASH->CR, FLASH_CR_PER); - WRITE_REG(FLASH->AR, PageAddress); - SET_BIT(FLASH->CR, FLASH_CR_STRT); -#if defined(FLASH_BANK2_END) - } -#endif /* FLASH_BANK2_END */ -} - -/** - * @} - */ - -/** - * @} - */ - -#endif /* HAL_FLASH_MODULE_ENABLED */ -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |