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Diffstat (limited to 'bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c')
| -rw-r--r-- | bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c | 1140 |
1 files changed, 1140 insertions, 0 deletions
diff --git a/bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c b/bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c new file mode 100644 index 0000000..0416efe --- /dev/null +++ b/bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c @@ -0,0 +1,1140 @@ +/** + ****************************************************************************** + * @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****/ |