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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_flash_ex.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_flash_ex.c | 1952 |
1 files changed, 1952 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_flash_ex.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_flash_ex.c new file mode 100644 index 0000000000..1d0b56b1bc --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_flash_ex.c @@ -0,0 +1,1952 @@ +/** + ****************************************************************************** + * @file stm32l1xx_hal_flash_ex.c + * @author MCD Application Team + * @version V1.0.0 + * @date 5-September-2014 + * @brief FLASH HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the internal FLASH memory: + * + FLASH Interface configuration + * + FLASH Memory Erasing + * + DATA EEPROM Programming/Erasing + * + Option Bytes Programming + * + Interrupts management + * + * @verbatim + ============================================================================== + ##### Flash peripheral Extended features ##### + ============================================================================== + + [..] Comparing to other products, the FLASH interface for STM32L1xx + devices contains the following additional features + (+) Erase functions + (+) DATA_EEPROM memory management + (+) BOOT option bit configuration + (+) PCROP protection for all sectors + + ##### How to use this driver ##### + ============================================================================== + [..] This driver provides functions to configure and program the FLASH memory + of all STM32L1xx. It includes: + (+) Full DATA_EEPROM erase and program management + (+) Boot activation + (+) PCROP protection configuration and control for all pages + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2014 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 "stm32l1xx_hal.h" + +/** @addtogroup STM32L1xx_HAL_Driver + * @{ + */ + +/** @defgroup FLASHEx FLASHEx + * @brief FLASH HAL Extension module driver + * @{ + */ + +#ifdef HAL_FLASH_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +static void FLASH_SetErrorCode(void); +static void FLASH_ErasePage(uint32_t PageAddress); + +static HAL_StatusTypeDef FLASH_OB_WRPConfig(FLASH_OBProgramInitTypeDef *pOBInit, FunctionalState NewState); +static void FLASH_OB_WRPConfigWRP1OrPCROP1(uint32_t WRP1OrPCROP1, FunctionalState NewState); +#if defined(STM32L100xC) || defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) || \ + defined(STM32L151xCA) || defined (STM32L151xD) || defined (STM32L152xCA) || defined (STM32L152xD) || defined (STM32L162xCA) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) +static void FLASH_OB_WRPConfigWRP2OrPCROP2(uint32_t WRP2OrPCROP2, FunctionalState NewState); +#endif /* STM32L100xC || STM32L151xC || STM32L152xC || STM32L162xC || STM32L151xCA || STM32L151xD || STM32L152xCA || STM32L152xD || STM32L162xCA || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ +#if defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) +static void FLASH_OB_WRPConfigWRP3(uint32_t WRP3, FunctionalState NewState); +#endif /* STM32L151xD || STM32L152xD || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ +#if defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) +static void FLASH_OB_WRPConfigWRP4(uint32_t WRP4, FunctionalState NewState); +#endif /* STM32L151xE || STM32L152xE || STM32L162xE */ +static HAL_StatusTypeDef FLASH_OB_RDPConfig(uint8_t OB_RDP); +static HAL_StatusTypeDef FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY); +static HAL_StatusTypeDef FLASH_OB_BORConfig(uint8_t OB_BOR); +static uint8_t FLASH_OB_GetRDP(void); +static uint8_t FLASH_OB_GetUser(void); +static uint8_t FLASH_OB_GetBOR(void); +#if defined (STM32L151xBA) || defined (STM32L152xBA) || \ + defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) +static HAL_StatusTypeDef FLASH_OB_PCROPConfig(FLASH_AdvOBProgramInitTypeDef *pAdvOBInit, FunctionalState NewState); +#endif /* STM32L151xBA || STM32L152xBA || STM32L151xC || STM32L152xC || STM32L162xC */ +#if defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) +static HAL_StatusTypeDef FLASH_OB_BootConfig(uint8_t OB_BOOT); +#endif /* STM32L151xD || STM32L152xD || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + +static HAL_StatusTypeDef FLASH_DATAEEPROM_FastProgramByte(uint32_t Address, uint8_t Data); +static HAL_StatusTypeDef FLASH_DATAEEPROM_FastProgramHalfWord(uint32_t Address, uint16_t Data); +static HAL_StatusTypeDef FLASH_DATAEEPROM_FastProgramWord(uint32_t Address, uint32_t Data); +static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramWord(uint32_t Address, uint32_t Data); +static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramHalfWord(uint32_t Address, uint16_t Data); +static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramByte(uint32_t Address, uint8_t Data); + +/* Exported functions ---------------------------------------------------------*/ + +/** @defgroup FLASHEx_Exported_Functions FLASHEx Exported functions + * @{ + */ + +/** @defgroup FLASHEx_Exported_Functions_Group1 FLASH Memory Erasing functions + * @brief FLASH Memory Erasing functions + * +@verbatim + ============================================================================== + ##### FLASH Erasing Programming functions ##### + ============================================================================== + + [..] The FLASH Memory Erasing functions, includes the following functions: + (+) HAL_FLASHEx_Erase: return only when erase has been done + (+) HAL_FLASHEx_Erase_IT: end of erase is done when HAL_FLASH_EndOfOperationCallback is called with parameter + 0xFFFFFFFF + + [..] Any operation of erase should follow these steps: + (#) Call the HAL_FLASH_Unlock() function to enable the flash control register and + program memory access. + (#) Call the desired function to erase page. + (#) Call the HAL_FLASH_Lock() to disable the flash program memory access + (recommended to protect the FLASH memory against possible unwanted operation). + +@endverbatim + * @{ + */ + +/** + * @brief Erase the specified FLASH memory Pages + * @note To correctly run this function, the HAL_FLASH_Unlock() function + * must be called before. + * Call the 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 sector in case of error + * (0xFFFFFFFF means that all the sectors 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 index = 0; + + /* Process Locked */ + __HAL_LOCK(&ProcFlash); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE); + + if (status == HAL_OK) + { + /*Initialization of PageError variable*/ + *PageError = 0xFFFFFFFF; + + /* Check the parameters */ + assert_param(IS_NBPAGES(pEraseInit->NbPages)); + assert_param(IS_TYPEERASE(pEraseInit->TypeErase)); + assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress)); + assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress + pEraseInit->NbPages * FLASH_PAGE_SIZE - 1)); + + /* Erase by sector by sector to be done*/ + for(index = pEraseInit->PageAddress; index < ((pEraseInit->NbPages * FLASH_PAGE_SIZE)+ pEraseInit->PageAddress); index += FLASH_PAGE_SIZE) + { + FLASH_ErasePage(index); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE); + + /* If the erase operation is completed, disable the ERASE Bit */ + CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG); + CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE); + + if (status != HAL_OK) + { + /* In case of error, stop erase procedure and return the faulty sector*/ + *PageError = index; + break; + } + } + } + + /* Process Unlocked */ + __HAL_UNLOCK(&ProcFlash); + + return status; +} + +/** + * @brief Perform a page erase of the specified FLASH memory pages with interrupt enabled + * @note To correctly run this function, the HAL_FLASH_Unlock() function + * must be called before. + * Call the 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(&ProcFlash); + + /* Enable End of FLASH Operation interrupt */ + __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP); + + /* Enable Error source interrupt */ + __HAL_FLASH_ENABLE_IT(FLASH_IT_ERR); + + /* Clear pending flags (if any) */ + __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_MASK); + + /* Check the parameters */ + assert_param(IS_NBPAGES(pEraseInit->NbPages)); + assert_param(IS_TYPEERASE(pEraseInit->TypeErase)); + assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress)); + assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress + pEraseInit->NbPages * FLASH_PAGE_SIZE - 1)); + + ProcFlash.ProcedureOnGoing = FLASH_PROC_PAGEERASE; + ProcFlash.NbPagesToErase = pEraseInit->NbPages; + ProcFlash.Page = pEraseInit->PageAddress; + + /*Erase 1st page and wait for IT*/ + FLASH_ErasePage(pEraseInit->PageAddress); + + return status; +} + +/** + * @} + */ + + +/** @defgroup FLASHEx_Exported_Functions_Group2 Option Bytes Programming functions + * @brief Option Bytes Programming functions + * +@verbatim + ============================================================================== + ##### Option Bytes Programming functions ##### + ============================================================================== + + [..] Any operation of erase or program should follow these steps: + (#) Call the HAL_FLASH_OB_Unlock() function to enable the Flash option control + register access. + (#) Call following function to program the desired option bytes. + (++) HAL_FLASHEx_OBProgram: + - To Enable/Disable the desired sector write protection. + - To set the desired read Protection Level. + - To configure the user option Bytes: IWDG, STOP and the Standby. + - To Set the BOR level. + (#) Once all needed option bytes to be programmed are correctly written, call the + HAL_FLASH_OB_Launch(void) function to launch the Option Bytes programming process. + (#) Call the HAL_FLASH_OB_Lock() to disable the Flash option control register access (recommended + to protect the option Bytes against possible unwanted operations). + + [..] Proprietary code Read Out Protection (PcROP): + (#) The PcROP sector is selected by using the same option bytes as the Write + protection (nWRPi bits). As a result, these 2 options are exclusive each other. + (#) In order to activate the PcROP (change the function of the nWRPi option bits), + the SPRMOD option bit must be activated. + (#) The active value of nWRPi bits is inverted when PCROP mode is active, this + means: if SPRMOD = 1 and nWRPi = 1 (default value), then the user sector "i" + is read/write protected. + (#) To activate PCROP mode for Flash sector(s), you need to call the following function: + (++) HAL_FLASHEx_AdvOBProgram in selecting sectors to be read/write protected + (++) HAL_FLASHEx_OB_SelectPCROP to enable the read/write protection + (#) PcROP is available only in STM32L151xBA, STM32L152xBA, STM32L151xC, STM32L152xC & STM32L162xC devices. + +@endverbatim + * @{ + */ + +/** + * @brief Program option bytes + * @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(&ProcFlash); + + /* 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 == WRPSTATE_ENABLE) + { + /* Enable of Write protection on the selected Sector*/ + status = FLASH_OB_WRPConfig(pOBInit, ENABLE); + } + else + { + /* Disable of Write protection on the selected Sector*/ + status = FLASH_OB_WRPConfig(pOBInit, DISABLE); + } + if (status != HAL_OK) + { + /* Process Unlocked */ + __HAL_UNLOCK(&ProcFlash); + return status; + } + } + + /* Read protection configuration*/ + if((pOBInit->OptionType & OPTIONBYTE_RDP) == OPTIONBYTE_RDP) + { + status = FLASH_OB_RDPConfig(pOBInit->RDPLevel); + if (status != HAL_OK) + { + /* Process Unlocked */ + __HAL_UNLOCK(&ProcFlash); + return status; + } + } + + /* USER configuration*/ + if((pOBInit->OptionType & OPTIONBYTE_USER) == OPTIONBYTE_USER) + { + status = FLASH_OB_UserConfig(pOBInit->USERConfig & OB_IWDG_SW, + pOBInit->USERConfig & OB_STOP_NORST, + pOBInit->USERConfig & OB_STDBY_NORST); + if (status != HAL_OK) + { + /* Process Unlocked */ + __HAL_UNLOCK(&ProcFlash); + return status; + } + } + + /* BOR Level configuration*/ + if((pOBInit->OptionType & OPTIONBYTE_BOR) == OPTIONBYTE_BOR) + { + status = FLASH_OB_BORConfig(pOBInit->BORLevel); + } + /* Process Unlocked */ + __HAL_UNLOCK(&ProcFlash); + + 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 | OPTIONBYTE_BOR; + + /*Get WRP1*/ + pOBInit->WRPSector0To31 = (uint32_t)(FLASH->WRPR1); + +#if defined(STM32L100xC) || defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) || \ + defined(STM32L151xCA) || defined (STM32L151xD) || defined (STM32L152xCA) || defined (STM32L152xD) || defined (STM32L162xCA) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + + /*Get WRP2*/ + pOBInit->WRPSector32To63 = (uint32_t)(FLASH->WRPR2); + +#endif /* STM32L100xC || STM32L151xC || STM32L152xC || STM32L162xC || STM32L151xCA || STM32L151xD || STM32L152xCA || STM32L152xD || STM32L162xCA || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + +#if defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + + /*Get WRP3*/ + pOBInit->WRPSector64To95 = (uint32_t)(FLASH->WRPR3); + +#endif /* STM32L151xD || STM32L152xD || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + +#if defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + + /*Get WRP4*/ + pOBInit->WRPSector96To127 = (uint32_t)(FLASH->WRPR4); + +#endif /* STM32L151xE || STM32L152xE || STM32L162xE */ + + /*Get RDP Level*/ + pOBInit->RDPLevel = FLASH_OB_GetRDP(); + + /*Get USER*/ + pOBInit->USERConfig = FLASH_OB_GetUser(); + + /*Get BOR Level*/ + pOBInit->BORLevel = FLASH_OB_GetBOR(); + +} + +#if defined (STM32L151xBA) || defined (STM32L152xBA) || \ + defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) || \ + defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + +/** + * @brief Program option bytes + * @note This function can be used only for Cat2 & Cat3 devices for PCROP and Cat4 & Cat5 for BFB2. + * @param pAdvOBInit: pointer to an FLASH_AdvOBProgramInitTypeDef structure that + * contains the configuration information for the programming. + * + * @retval HAL_StatusTypeDef HAL Status + */ +HAL_StatusTypeDef HAL_FLASHEx_AdvOBProgram (FLASH_AdvOBProgramInitTypeDef *pAdvOBInit) +{ + HAL_StatusTypeDef status = HAL_ERROR; + + /* Check the parameters */ + assert_param(IS_OBEX(pAdvOBInit->OptionType)); + +#if defined (STM32L151xBA) || defined (STM32L152xBA) || \ + defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) + + /* Cat2 & Cat3 devices only */ + /*Program PCROP option byte*/ + if ((pAdvOBInit->OptionType & OBEX_PCROP) == OBEX_PCROP) + { + /* Check the parameters */ + assert_param(IS_PCROPSTATE(pAdvOBInit->PCROPState)); + if (pAdvOBInit->PCROPState == PCROPSTATE_ENABLE) + { + /*Enable of Write protection on the selected Sector*/ + status = FLASH_OB_PCROPConfig(pAdvOBInit, ENABLE); + if (status != HAL_OK) + { + return status; + } + } + else + { + /*Disable of Write protection on the selected Sector*/ + status = FLASH_OB_PCROPConfig(pAdvOBInit, DISABLE); + if (status != HAL_OK) + { + return status; + } + } + } + +#endif /* STM32L151xBA || STM32L152xBA || STM32L151xC || STM32L152xC || STM32L162xC */ + +#if defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + + /* Cat4 & Cat5 devices only */ + /*Program BOOT config option byte*/ + if ((pAdvOBInit->OptionType & OBEX_BOOTCONFIG) == OBEX_BOOTCONFIG) + { + status = FLASH_OB_BootConfig(pAdvOBInit->BootConfig); + } + +#endif /* STM32L151xD || STM32L152xD || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + + return status; +} + +/** + * @brief Get the OBEX byte configuration + * @note This function can be used only for Cat2 & Cat3 devices for PCROP and Cat4 & Cat5 for BFB2. + * @param pAdvOBInit: pointer to an FLASH_AdvOBProgramInitTypeDef structure that + * contains the configuration information for the programming. + * + * @retval None + */ +void HAL_FLASHEx_AdvOBGetConfig(FLASH_AdvOBProgramInitTypeDef *pAdvOBInit) +{ +#if defined (STM32L151xBA) || defined (STM32L152xBA) || \ + defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) + + pAdvOBInit->OptionType = OBEX_PCROP; + + /*Get PCROP state */ + pAdvOBInit->PCROPState = (FLASH->OBR & FLASH_OBR_SPRMOD) >> POSITION_VAL(FLASH_OBR_SPRMOD); + + /*Get PCROP protected sector from 0 to 31 */ + pAdvOBInit->PCROPSector0To31 = FLASH->WRPR1; + + #if defined(STM32L100xC) || defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) + + /*Get PCROP protected sector from 32 to 63 */ + pAdvOBInit->PCROPSector32To63 = FLASH->WRPR2; + + #endif /* STM32L100xC || STM32L151xC || STM32L152xC || STM32L162xC */ + +#endif /* STM32L151xBA || STM32L152xBA || STM32L151xC || STM32L152xC || STM32L162xC */ + +#if defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + + pAdvOBInit->OptionType = OBEX_BOOTCONFIG; + + /*Get Boot config OB*/ + pAdvOBInit->BootConfig = (FLASH->OBR & 0x80000000) >> 24; + +#endif /* STM32L151xD || STM32L152xD || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ +} + +#endif /* STM32L151xBA || STM32L152xBA || STM32L151xC || STM32L152xC || STM32L162xC || STM32L151xD || STM32L152xD || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + +#if defined (STM32L151xBA) || defined (STM32L152xBA) || \ + defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) + +/** + * @brief Select the Protection Mode (SPRMOD). + * @note This function can be used only for STM32L151xBA, STM32L152xBA, STM32L151xC, STM32L152xC & STM32L162xC devices + * @note Once SPRMOD bit is active, unprotection of a protected sector is not possible + * @note Read a protected sector will set RDERR Flag and write a protected sector will set WRPERR Flag + * @retval HAL status + */ +HAL_StatusTypeDef HAL_FLASHEx_OB_SelectPCROP(void) +{ + HAL_StatusTypeDef status = HAL_OK; + uint16_t tmp1 = 0; + uint32_t tmp2 = 0; + uint8_t optiontmp = 0; + uint16_t optiontmp2 = 0; + + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + /* Mask RDP Byte */ + optiontmp = (uint8_t)(*(__IO uint8_t *)(OB_BASE)); + + /* Update Option Byte */ + optiontmp2 = (uint16_t)(OB_PCROP_SELECTED | optiontmp); + + /* calculate the option byte to write */ + tmp1 = (uint16_t)(~(optiontmp2 )); + tmp2 = (uint32_t)(((uint32_t)((uint32_t)(tmp1) << 16)) | ((uint32_t)optiontmp2)); + + if(status == HAL_OK) + { + /* program PCRop */ + OB->RDP = tmp2; + } + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + /* Return the Read protection operation Status */ + return status; +} + +/** + * @brief Deselect the Protection Mode (SPRMOD). + * @note This function can be used only for STM32L151xBA, STM32L152xBA, STM32L151xC, STM32L152xC & STM32L162xC devices + * @note Once SPRMOD bit is active, unprotection of a protected sector is not possible + * @note Read a protected sector will set RDERR Flag and write a protected sector will set WRPERR Flag + * @retval HAL status + */ +HAL_StatusTypeDef HAL_FLASHEx_OB_DeSelectPCROP(void) +{ + HAL_StatusTypeDef status = HAL_OK; + uint16_t tmp1 = 0; + uint32_t tmp2 = 0; + uint8_t optiontmp = 0; + uint16_t optiontmp2 = 0; + + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + /* Mask RDP Byte */ + optiontmp = (uint8_t)(*(__IO uint8_t *)(OB_BASE)); + + /* Update Option Byte */ + optiontmp2 = (uint16_t)(OB_PCROP_DESELECTED | optiontmp); + + /* calculate the option byte to write */ + tmp1 = (uint16_t)(~(optiontmp2 )); + tmp2 = (uint32_t)(((uint32_t)((uint32_t)(tmp1) << 16)) | ((uint32_t)optiontmp2)); + + if(status == HAL_OK) + { + /* program PCRop */ + OB->RDP = tmp2; + } + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + /* Return the Read protection operation Status */ + return status; +} + +#endif /* STM32L151xBA || STM32L152xBA || STM32L151xC || STM32L152xC || STM32L162xC */ + +/** + * @} + */ + +/** @defgroup FLASHEx_Exported_Functions_Group3 DATA EEPROM Programming functions + * @brief DATA EEPROM Programming functions + * +@verbatim + =============================================================================== + ##### DATA EEPROM Programming functions ##### + =============================================================================== + + [..] Any operation of erase or program should follow these steps: + (#) Call the HAL_FLASHEx_DATAEEPROM_Unlock() function to enable the data EEPROM access + and Flash program erase control register access. + (#) Call the desired function to erase or program data. + (#) Call the HAL_FLASHEx_DATAEEPROM_Lock() to disable the data EEPROM access + and Flash program erase control register access(recommended + to protect the DATA_EEPROM against possible unwanted operation). + +@endverbatim + * @{ + */ + +/** + * @brief Unlocks the data memory and FLASH_PECR register access. + * @retval HAL_StatusTypeDef HAL Status + */ +HAL_StatusTypeDef HAL_FLASHEx_DATAEEPROM_Unlock(void) +{ + if((FLASH->PECR & FLASH_PECR_PELOCK) != RESET) + { + /* Unlocking the Data memory and FLASH_PECR register access*/ + FLASH->PEKEYR = FLASH_PEKEY1; + FLASH->PEKEYR = FLASH_PEKEY2; + } + else + { + return HAL_ERROR; + } + return HAL_OK; +} + +/** + * @brief Locks the Data memory and FLASH_PECR register access. + * @retval HAL_StatusTypeDef HAL Status + */ +HAL_StatusTypeDef HAL_FLASHEx_DATAEEPROM_Lock(void) +{ + /* Set the PELOCK Bit to lock the data memory and FLASH_PECR register access */ + SET_BIT(FLASH->PECR, FLASH_PECR_PELOCK); + + return HAL_OK; +} + +/** + * @brief Erase a word in data memory. + * @param Address: specifies the address to be erased. + * @param TypeErase: Indicate the way to erase at a specified address. + * This parameter can be a value of @ref FLASH_Type_Program + * @note To correctly run this function, the DATA_EEPROM_Unlock() function + * must be called before. + * Call the DATA_EEPROM_Lock() to the data EEPROM access + * and Flash program erase control register access(recommended to protect + * the DATA_EEPROM against possible unwanted operation). + * @retval FLASH Status: The returned value can be: + * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +HAL_StatusTypeDef HAL_FLASHEx_DATAEEPROM_Erase(uint32_t TypeErase, uint32_t Address) +{ + HAL_StatusTypeDef status = HAL_OK; + + /* Check the parameters */ + assert_param(IS_TYPEPROGRAMDATA(TypeErase)); + assert_param(IS_FLASH_DATA_ADDRESS(Address)); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { + if(TypeErase == TYPEERASEDATA_WORD) + { + /* Write 00000000h to valid address in the data memory */ + *(__IO uint32_t *) Address = 0x00000000; + } + + if(TypeErase == TYPEERASEDATA_HALFWORD) + { + /* Write 0000h to valid address in the data memory */ + *(__IO uint16_t *) Address = (uint16_t)0x0000; + } + + if(TypeErase == TYPEERASEDATA_BYTE) + { + /* Write 00h to valid address in the data memory */ + *(__IO uint8_t *) Address = (uint8_t)0x00; + } + } + + /* Return the erase status */ + return status; +} + +/** + * @brief Program word at a specified address + * @note To correctly run this function, the HAL_FLASH_EEPROM_Unlock() function + * must be called before. + * Call the HAL_FLASHEx_DATAEEPROM_Unlock() to he data EEPROM access + * and Flash program erase control register access(recommended to protect + * the DATA_EEPROM against possible unwanted operation). + * @note The function HAL_FLASHEx_DATAEEPROM_EnableFixedTimeProgram() can be called before + * this function to configure the Fixed Time Programming. + * @param TypeProgram: Indicate the way to program at a specified address. + * This parameter can be a value of @ref FLASHEx_Type_Program_Data + * @param Address: specifies the address to be programmed. + * @param Data: specifies the data to be programmed + * + * @retval HAL_StatusTypeDef HAL Status + */ + +HAL_StatusTypeDef HAL_FLASHEx_DATAEEPROM_Program(uint32_t TypeProgram, uint32_t Address, uint32_t Data) +{ + HAL_StatusTypeDef status = HAL_ERROR; + + /* Process Locked */ + __HAL_LOCK(&ProcFlash); + + /* Check the parameters */ + assert_param(IS_TYPEPROGRAMDATA(TypeProgram)); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { + if(TypeProgram == TYPEPROGRAMDATA_FASTBYTE) + { + /*Program word (8-bit) at a specified address.*/ + FLASH_DATAEEPROM_FastProgramByte(Address, (uint8_t) Data); + } + + if(TypeProgram == TYPEPROGRAMDATA_FASTHALFWORD) + { + /*Program word (16-bit) at a specified address.*/ + FLASH_DATAEEPROM_FastProgramHalfWord(Address, (uint16_t) Data); + } + + if(TypeProgram == TYPEPROGRAMDATA_FASTWORD) + { + /*Program word (32-bit) at a specified address.*/ + FLASH_DATAEEPROM_FastProgramWord(Address, (uint32_t) Data); + } + + if(TypeProgram == TYPEPROGRAMDATA_WORD) + { + /*Program word (32-bit) at a specified address.*/ + FLASH_DATAEEPROM_ProgramWord(Address, (uint32_t) Data); + } + + if(TypeProgram == TYPEPROGRAMDATA_HALFWORD) + { + /*Program word (16-bit) at a specified address.*/ + FLASH_DATAEEPROM_ProgramHalfWord(Address, (uint16_t) Data); + } + + if(TypeProgram == TYPEPROGRAMDATA_BYTE) + { + /*Program word (8-bit) at a specified address.*/ + FLASH_DATAEEPROM_ProgramByte(Address, (uint8_t) Data); + } + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE); + } + + /* Process Unlocked */ + __HAL_UNLOCK(&ProcFlash); + + return status; +} + +/** + * @brief Enable DATA EEPROM fixed Time programming (2*Tprog). + * @retval None + */ +void HAL_FLASHEx_DATAEEPROM_EnableFixedTimeProgram(void) +{ + SET_BIT(FLASH->PECR, FLASH_PECR_FTDW); +} + +/** + * @brief Disables DATA EEPROM fixed Time programming (2*Tprog). + * @retval None + */ +void HAL_FLASHEx_DATAEEPROM_DisableFixedTimeProgram(void) +{ + CLEAR_BIT(FLASH->PECR, FLASH_PECR_FTDW); +} + +/** + * @} + */ + +/** + * @} + */ + +/** @defgroup FLASHEx_Private_Functions FLASHEx Private functions + * @{ + */ + +/* +============================================================================== + ##### FLASH STATIC functions ##### +============================================================================== +*/ + +/* +============================================================================== + FLASH +============================================================================== +*/ + +/** + * @brief Set the specific FLASH error flag. + * @retval None + */ +static void FLASH_SetErrorCode(void) +{ + if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) != RESET) + { + ProcFlash.ErrorCode = FLASH_ERROR_WRP; + } + + if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) != RESET) + { + ProcFlash.ErrorCode |= FLASH_ERROR_PGA; + } + + if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR) != RESET) + { + ProcFlash.ErrorCode |= FLASH_ERROR_SIZE; + } + + if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR) != RESET) + { + ProcFlash.ErrorCode |= FLASH_ERROR_OPTV; + } + +#if defined (STM32L151xBA) || defined (STM32L152xBA) || \ + defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) + if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) != RESET) + { + ProcFlash.ErrorCode |= FLASH_ERROR_RD; + } +#endif /* STM32L151xBA || STM32L152xBA || STM32L151xC || STM32L152xC || STM32L162xC */ + +#if defined(STM32L100xC) || defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) || \ + defined(STM32L151xCA) || defined (STM32L151xD) || defined (STM32L152xCA) || defined (STM32L152xD) || defined (STM32L162xCA) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERRUSR) != RESET) + { + ProcFlash.ErrorCode |= FLASH_ERROR_OPTVUSR; + } +#endif /* STM32L100xC || STM32L151xC || STM32L152xC || STM32L162xC || STM32L151xCA || STM32L151xD || STM32L152xCA || STM32L152xD || STM32L162xCA || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ +} + +/** + * @brief Erases a specified page in program memory. + * @param PageAddress: The page address in program memory to be erased. + * @note A Page is erased in the Program memory only if the address to load + * is the start address of a page (multiple of 256 bytes). + * @retval None + */ +static void FLASH_ErasePage(uint32_t PageAddress) +{ + /* Set the ERASE bit */ + SET_BIT(FLASH->PECR, FLASH_PECR_ERASE); + + /* Set PROG bit */ + SET_BIT(FLASH->PECR, FLASH_PECR_PROG); + + /* Write 00000000h to the first word of the program page to erase */ + *(__IO uint32_t *)PageAddress = 0x00000000; +} + + +/* +============================================================================== + OPTIONS BYTES +============================================================================== +*/ +/** + * @brief Enables or disables the read out protection. + * @note To correctly run this function, the HAL_FLASH_OB_Unlock() function + * must be called before. + * @param OB_RDP: specifies the read protection level. + * This parameter can be: + * @arg OB_RDP_LEVEL0: No protection + * @arg OB_RDP_LEVEL1: Read protection of the memory + * @arg OB_RDP_LEVEL2: Chip protection + * + * !!!Warning!!! When enabling OB_RDP_LEVEL2 it's no more possible to go back to level 1 or 0 + * + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_OB_RDPConfig(uint8_t OB_RDP) +{ + HAL_StatusTypeDef status = HAL_OK; + uint32_t tmp1 = 0, tmp2 = 0, sprmod = 0; + + /* Check the parameters */ + assert_param(IS_OB_RDP(OB_RDP)); + + /* According to errata sheet, DocID022054 Rev 5, par2.1.5 + Before setting Level0 in the RDP register, check that the current level is not equal to Level0. + If the current level is not equal to Level0, Level0 can be activated. + If the current level is Level0 then the RDP register must not be written again with Level0. */ + tmp1 = (uint32_t)(OB->RDP & 0x000000FF); + + if ((tmp1 == OB_RDP_LEVEL0) && (OB_RDP == OB_RDP_LEVEL0)) + { + /*current level is Level0 then the RDP register must not be written again with Level0. */ + status = HAL_ERROR; + } + else + { + /* Mask SPRMOD bit */ + sprmod = (uint32_t)(OB->RDP & 0x00000100); + + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + /* calculate the option byte to write */ + tmp1 = (~((uint32_t)(OB_RDP | sprmod))); + tmp2 = (uint32_t)(((uint32_t)((uint32_t)(tmp1) << 16)) | ((uint32_t)(OB_RDP | sprmod))); + + if(status == HAL_OK) + { + /* program read protection level */ + OB->RDP = tmp2; + } + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + } + + /* Return the Read protection operation Status */ + return status; +} + +/** + * @brief Programs the FLASH brownout reset threshold level Option Byte. + * @param OB_BOR: Selects the brownout reset threshold level. + * This parameter can be one of the following values: + * @arg OB_BOR_OFF: BOR is disabled at power down, the reset is asserted when the VDD + * power supply reaches the PDR(Power Down Reset) threshold (1.5V) + * @arg OB_BOR_LEVEL1: BOR Reset threshold levels for 1.7V - 1.8V VDD power supply + * @arg OB_BOR_LEVEL2: BOR Reset threshold levels for 1.9V - 2.0V VDD power supply + * @arg OB_BOR_LEVEL3: BOR Reset threshold levels for 2.3V - 2.4V VDD power supply + * @arg OB_BOR_LEVEL4: BOR Reset threshold levels for 2.55V - 2.65V VDD power supply + * @arg OB_BOR_LEVEL5: BOR Reset threshold levels for 2.8V - 2.9V VDD power supply + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_OB_BORConfig(uint8_t OB_BOR) +{ + HAL_StatusTypeDef status = HAL_OK; + uint32_t tmp = 0, tmp1 = 0; + + /* Check the parameters */ + assert_param(IS_OB_BOR_LEVEL(OB_BOR)); + + /* Get the User Option byte register */ + tmp1 = (FLASH->OBR & (FLASH_OBR_USER)) >> 16; + + /* Calculate the option byte to write - [0xFF | nUSER | 0x00 | USER]*/ + tmp = (uint32_t)~((OB_BOR | tmp1)) << 16; + tmp |= (OB_BOR | tmp1); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { + /* Write the BOR Option Byte */ + OB->USER = tmp; + } + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + /* Return the Option Byte program Status */ + return status; +} + +/** + * @brief Returns the FLASH User Option Bytes values. + * @retval The FLASH User Option Bytes. + */ +static uint8_t FLASH_OB_GetUser(void) +{ + /* Return the User Option Byte */ + return (uint8_t)((FLASH->OBR & FLASH_OBR_USER) >> POSITION_VAL(FLASH_OBR_USER)); +} + +/** + * @brief Checks whether the FLASH Read out Protection Status is set or not. + * @retval FLASH ReadOut Protection + */ +static uint8_t FLASH_OB_GetRDP(void) +{ + return (uint8_t)(FLASH->OBR & FLASH_OBR_RDPRT); +} + +/** + * @brief Returns the FLASH BOR level. + * @retval The FLASH User Option Bytes. + */ +static uint8_t FLASH_OB_GetBOR(void) +{ + /* Return the BOR level */ + return (uint8_t)((FLASH->OBR & (uint32_t)FLASH_OBR_BOR_LEV) >> POSITION_VAL(FLASH_OBR_BOR_LEV)); +} + +/** + * @brief Write protects the desired pages of the first 64KB of the Flash. + * @param pOBInit: pointer to an FLASH_OBInitStruct structure that + * contains WRP parameters. + * @param NewState: new state of the specified FLASH Pages Wtite protection. + * This parameter can be: ENABLE or DISABLE. + * @retval HAL_StatusTypeDef + */ +static HAL_StatusTypeDef FLASH_OB_WRPConfig(FLASH_OBProgramInitTypeDef *pOBInit, FunctionalState NewState) +{ + HAL_StatusTypeDef status = HAL_OK; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { + /* WRP for sector between 0 to 31 */ + if (pOBInit->WRPSector0To31 != 0) + { + FLASH_OB_WRPConfigWRP1OrPCROP1(pOBInit->WRPSector0To31, NewState); + } + +#if defined(STM32L100xC) || defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) || \ + defined(STM32L151xCA) || defined (STM32L151xD) || defined (STM32L152xCA) || defined (STM32L152xD) || defined (STM32L162xCA) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + + /* Pages for Cat3, Cat4 & Cat5 devices*/ + /* WRP for sector between 32 to 63 */ + if (pOBInit->WRPSector32To63 != 0) + { + FLASH_OB_WRPConfigWRP2OrPCROP2(pOBInit->WRPSector32To63, NewState); + } + +#endif /* STM32L100xC || STM32L151xC || STM32L152xC || STM32L162xC || STM32L151xCA || STM32L151xD || STM32L152xCA || STM32L152xD || STM32L162xCA || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + +#if defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + + /* Pages for devices with FLASH >= 256KB*/ + /* WRP for sector between 64 to 95 */ + if (pOBInit->WRPSector64To95 != 0) + { + FLASH_OB_WRPConfigWRP3(pOBInit->WRPSector64To95, NewState); + } + +#endif /* STM32L151xD || STM32L152xD || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + +#if defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + + /* Pages for Cat5 devices*/ + /* WRP for sector between 96 to 127 */ + if (pOBInit->WRPSector96To127 != 0) + { + FLASH_OB_WRPConfigWRP4(pOBInit->WRPSector96To127, NewState); + } + +#endif /* STM32L151xE || STM32L152xE || STM32L162xE */ + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + } + + /* Return the write protection operation Status */ + return status; +} + +#if defined (STM32L151xBA) || defined (STM32L152xBA) || \ + defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) +/** + * @brief Enables the read/write protection (PCROP) of the desired + * sectors. + * @note This function can be used only for Cat2 & Cat3 devices + * @param pAdvOBInit: pointer to an FLASH_AdvOBProgramInitTypeDef structure that + * contains PCROP parameters. + * @param NewState: new state of the specified FLASH Pages read/Write protection. + * This parameter can be: ENABLE or DISABLE. + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_OB_PCROPConfig(FLASH_AdvOBProgramInitTypeDef *pAdvOBInit, FunctionalState NewState) +{ + HAL_StatusTypeDef status = HAL_OK; + FunctionalState pcropstate = DISABLE; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + /* Invert state to use same function of WRP */ + if (NewState == DISABLE) + { + pcropstate = ENABLE; + } + + if(status == HAL_OK) + { + /* Pages for Cat2 devices*/ + /* PCROP for sector between 0 to 31 */ + if (pAdvOBInit->PCROPSector0To31 != 0) + { + FLASH_OB_WRPConfigWRP1OrPCROP1(pAdvOBInit->PCROPSector0To31, pcropstate); + } + +#if defined(STM32L100xC) || defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) + + /* Pages for Cat3 devices*/ + /* WRP for sector between 32 to 63 */ + if (pAdvOBInit->PCROPSector32To63 != 0) + { + FLASH_OB_WRPConfigWRP2OrPCROP2(pAdvOBInit->PCROPSector32To63, pcropstate); + } + +#endif /* STM32L100xC || STM32L151xC || STM32L152xC || STM32L162xC */ + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + } + + /* Return the write protection operation Status */ + return status; +} +#endif /* STM32L151xBA || STM32L152xBA || STM32L151xC || STM32L152xC || STM32L162xC */ + +/** + * @brief Write protects the desired pages of the first 128KB of the Flash. + * @param WRP1OrPCROP1: specifies the address of the pages to be write protected. + * This parameter can be: + * @arg value between OB_WRP1/PCROP1_PAGES0TO15 and OB_WRP1/PCROP1_PAGES496TO511 + * @arg OB_WRP1/PCROP1_ALLPAGES + * @param NewState: new state of the specified FLASH Pages Wtite protection. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +static void FLASH_OB_WRPConfigWRP1OrPCROP1(uint32_t WRP1OrPCROP1, FunctionalState NewState) +{ + uint32_t wrp01data = 0, wrp23data = 0; + + uint32_t tmp1 = 0, tmp2 = 0; + + if (NewState != DISABLE) + { + wrp01data = (uint16_t)(((WRP1OrPCROP1 & WRP_MASK_LOW) | OB->WRP01)); + wrp23data = (uint16_t)((((WRP1OrPCROP1 & WRP_MASK_HIGH)>>16 | OB->WRP23))); + tmp1 = (uint32_t)(~(wrp01data) << 16)|(wrp01data); + OB->WRP01 = tmp1; + + tmp2 = (uint32_t)(~(wrp23data) << 16)|(wrp23data); + OB->WRP23 = tmp2; + } + else + { + wrp01data = (uint16_t)(~WRP1OrPCROP1 & (WRP_MASK_LOW & OB->WRP01)); + wrp23data = (uint16_t)((((~WRP1OrPCROP1 & WRP_MASK_HIGH)>>16 & OB->WRP23))); + + tmp1 = (uint32_t)((~wrp01data) << 16)|(wrp01data); + OB->WRP01 = tmp1; + + tmp2 = (uint32_t)((~wrp23data) << 16)|(wrp23data); + OB->WRP23 = tmp2; + } +} + +#if defined(STM32L100xC) || defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) || \ + defined(STM32L151xCA) || defined (STM32L151xD) || defined (STM32L152xCA) || defined (STM32L152xD) || defined (STM32L162xCA) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) +/** + * @brief Enable Write protects the desired pages of the second 128KB of the Flash. + * @note This function can be used only for Cat3, Cat4 & Cat5 devices. + * @param WRP2OrPCROP2: specifies the address of the pages to be write protected. + * This parameter can be: + * @arg value between OB_WRP2/PCROP2_PAGES512TO527 and OB_WRP2/PCROP2_PAGES1008TO1023 + * @arg OB_WRP2/PCROP2_ALLPAGES + * @param NewState: new state of the specified FLASH Pages Wtite protection. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +static void FLASH_OB_WRPConfigWRP2OrPCROP2(uint32_t WRP2OrPCROP2, FunctionalState NewState) +{ + uint32_t wrp45data = 0, wrp67data = 0; + + uint32_t tmp1 = 0, tmp2 = 0; + + if (NewState != DISABLE) + { + wrp45data = (uint16_t)(((WRP2OrPCROP2 & WRP_MASK_LOW) | OB->WRP45)); + wrp67data = (uint16_t)((((WRP2OrPCROP2 & WRP_MASK_HIGH)>>16 | OB->WRP67))); + tmp1 = (uint32_t)(~(wrp45data) << 16)|(wrp45data); + OB->WRP45 = tmp1; + + tmp2 = (uint32_t)(~(wrp67data) << 16)|(wrp67data); + OB->WRP67 = tmp2; + } + else + { + wrp45data = (uint16_t)(~WRP2OrPCROP2 & (WRP_MASK_LOW & OB->WRP45)); + wrp67data = (uint16_t)((((~WRP2OrPCROP2 & WRP_MASK_HIGH)>>16 & OB->WRP67))); + + tmp1 = (uint32_t)((~wrp45data) << 16)|(wrp45data); + OB->WRP45 = tmp1; + + tmp2 = (uint32_t)((~wrp67data) << 16)|(wrp67data); + OB->WRP67 = tmp2; + } +} +#endif /* STM32L100xC || STM32L151xC || STM32L152xC || STM32L162xC || STM32L151xCA || STM32L151xD || STM32L152xCA || STM32L152xD || STM32L162xCA || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + +#if defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) +/** + * @brief Enable Write protects the desired pages of the third 128KB of the Flash. + * @note This function can be used only for STM32L151xD, STM32L152xD, STM32L162xD & Cat5 devices. + * @param WRP3: specifies the address of the pages to be write protected. + * This parameter can be: + * @arg value between WRP3_PAGES1024TO1039 and OB_WRP3_PAGES1520TO1535 + * @arg OB_WRP3_ALLPAGES + * @param NewState: new state of the specified FLASH Pages Wtite protection. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +static void FLASH_OB_WRPConfigWRP3(uint32_t WRP3, FunctionalState NewState) +{ + uint32_t wrp89data = 0, wrp1011data = 0; + + uint32_t tmp1 = 0, tmp2 = 0; + + if (NewState != DISABLE) + { + wrp89data = (uint16_t)(((WRP3 & WRP_MASK_LOW) | OB->WRP89)); + wrp1011data = (uint16_t)((((WRP3 & WRP_MASK_HIGH)>>16 | OB->WRP1011))); + tmp1 = (uint32_t)(~(wrp89data) << 16)|(wrp89data); + OB->WRP89 = tmp1; + + tmp2 = (uint32_t)(~(wrp1011data) << 16)|(wrp1011data); + OB->WRP1011 = tmp2; + } + else + { + wrp89data = (uint16_t)(~WRP3 & (WRP_MASK_LOW & OB->WRP89)); + wrp1011data = (uint16_t)((((~WRP3 & WRP_MASK_HIGH)>>16 & OB->WRP1011))); + + tmp1 = (uint32_t)((~wrp89data) << 16)|(wrp89data); + OB->WRP89 = tmp1; + + tmp2 = (uint32_t)((~wrp1011data) << 16)|(wrp1011data); + OB->WRP1011 = tmp2; + } +} +#endif /* STM32L151xD || STM32L152xD || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + +#if defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) +/** + * @brief Enable Write protects the desired pages of the Fourth 128KB of the Flash. + * @note This function can be used only for Cat5 devices. + * @param WRP4: specifies the address of the pages to be write protected. + * This parameter can be: + * @arg value between OB_WRP4_PAGES1536TO1551 and OB_WRP4_PAGES2032TO2047 + * @arg OB_WRP4_ALLPAGES + * @param NewState: new state of the specified FLASH Pages Wtite protection. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +static void FLASH_OB_WRPConfigWRP4(uint32_t WRP4, FunctionalState NewState) +{ + uint32_t wrp1213data = 0, wrp1415data = 0; + + uint32_t tmp1 = 0, tmp2 = 0; + + if (NewState != DISABLE) + { + wrp1213data = (uint16_t)(((WRP4 & WRP_MASK_LOW) | OB->WRP1213)); + wrp1415data = (uint16_t)((((WRP4 & WRP_MASK_HIGH)>>16 | OB->WRP1415))); + tmp1 = (uint32_t)(~(wrp1213data) << 16)|(wrp1213data); + OB->WRP1213 = tmp1; + + tmp2 = (uint32_t)(~(wrp1415data) << 16)|(wrp1415data); + OB->WRP1415 = tmp2; + } + else + { + wrp1213data = (uint16_t)(~WRP4 & (WRP_MASK_LOW & OB->WRP1213)); + wrp1415data = (uint16_t)((((~WRP4 & WRP_MASK_HIGH)>>16 & OB->WRP1415))); + + tmp1 = (uint32_t)((~wrp1213data) << 16)|(wrp1213data); + OB->WRP1213 = tmp1; + + tmp2 = (uint32_t)((~wrp1415data) << 16)|(wrp1415data); + OB->WRP1415 = tmp2; + } +} +#endif /* STM32L151xE || STM32L152xE || STM32L162xE */ + +/** + * @brief Programs the FLASH User Option Byte: IWDG_SW / RST_STOP / RST_STDBY. + * @param OB_IWDG: Selects the WDG mode. + * This parameter can be one of the following values: + * @arg OB_IWDG_SW: Software WDG selected + * @arg OB_IWDG_HW: Hardware WDG selected + * @param OB_STOP: Reset event when entering STOP mode. + * This parameter can be one of the following values: + * @arg OB_STOP_NORST: No reset generated when entering in STOP + * @arg OB_STOP_RST: Reset generated when entering in STOP + * @param OB_STDBY: Reset event when entering Standby mode. + * This parameter can be one of the following values: + * @arg OB_STDBY_NORST: No reset generated when entering in STANDBY + * @arg OB_STDBY_RST: Reset generated when entering in STANDBY + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY) +{ + HAL_StatusTypeDef status = HAL_OK; + uint32_t tmp = 0, tmp1 = 0; + + /* Check the parameters */ + assert_param(IS_OB_IWDG_SOURCE(OB_IWDG)); + assert_param(IS_OB_STOP_SOURCE(OB_STOP)); + assert_param(IS_OB_STDBY_SOURCE(OB_STDBY)); + + /* Get the User Option byte register */ + tmp1 = (FLASH->OBR & FLASH_OBR_BOR_LEV) >> 16; + + /* Calculate the user option byte to write */ + tmp = (uint32_t)(((uint32_t)~((uint32_t)((uint32_t)(OB_IWDG) | (uint32_t)(OB_STOP) | (uint32_t)(OB_STDBY) | tmp1))) << 16); + tmp |= ((uint32_t)(OB_IWDG) | ((uint32_t)OB_STOP) | (uint32_t)(OB_STDBY) | tmp1); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { + /* Write the User Option Byte */ + OB->USER = tmp; + } + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + /* Return the Option Byte program Status */ + return status; +} + +#if defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) +/** + * @brief Configures to boot from Bank1 or Bank2. + * @param OB_BOOT: select the FLASH Bank to boot from. + * This parameter can be one of the following values: + * @arg OB_BOOT_BANK2: At startup, if boot pins are set in boot from user Flash + * position and this parameter is selected the device will boot from Bank2 or Bank1, + * depending on the activation of the bank. The active banks are checked in + * the following order: Bank2, followed by Bank1. + * The active bank is recognized by the value programmed at the base address + * of the respective bank (corresponding to the initial stack pointer value + * in the interrupt vector table). + * @arg OB_BOOT_BANK1: At startup, if boot pins are set in boot from user Flash + * position and this parameter is selected the device will boot from Bank1(Default). + * For more information, please refer to AN2606 from www.st.com. + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_OB_BootConfig(uint8_t OB_BOOT) +{ + HAL_StatusTypeDef status = HAL_OK; + uint32_t tmp = 0, tmp1 = 0; + + /* Check the parameters */ + assert_param(IS_OB_BOOT_BANK(OB_BOOT)); + + /* Get the User Option byte register and BOR Level*/ + tmp1 = (FLASH->OBR & (FLASH_OBR_nRST_STDBY | FLASH_OBR_nRST_STOP | FLASH_OBR_IWDG_SW | FLASH_OBR_BOR_LEV)) >> 16; + + /* Calculate the option byte to write */ + tmp = (uint32_t)~(OB_BOOT | tmp1) << 16; + tmp |= (OB_BOOT | tmp1); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { + /* Write the BOOT Option Byte */ + OB->USER = tmp; + } + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + /* Return the Option Byte program Status */ + return status; +} + +#endif /* STM32L151xD || STM32L152xD || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + +/* +============================================================================== + DATA +============================================================================== +*/ + +/** + * @brief Write a Byte at a specified address in data memory. + * @param Address: specifies the address to be written. + * @param Data: specifies the data to be written. + * @note This function assumes that the is data word is already erased. + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_DATAEEPROM_FastProgramByte(uint32_t Address, uint8_t Data) +{ + HAL_StatusTypeDef status = HAL_OK; +#if defined(STM32L100xB) || defined (STM32L151xB) || defined (STM32L152xB) + uint32_t tmp = 0, tmpaddr = 0; +#endif /* STM32L100xB || STM32L151xB || STM32L152xB */ + + /* Check the parameters */ + assert_param(IS_FLASH_DATA_ADDRESS(Address)); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { + /* Clear the FTDW bit */ + CLEAR_BIT(FLASH->PECR, FLASH_PECR_FTDW); + +#if defined(STM32L100xB) || defined (STM32L151xB) || defined (STM32L152xB) + /* Possible only on Cat1 devices */ + if(Data != (uint8_t)0x00) + { + /* If the previous operation is completed, proceed to write the new Data */ + *(__IO uint8_t *)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + } + else + { + tmpaddr = Address & 0xFFFFFFFC; + tmp = * (__IO uint32_t *) tmpaddr; + tmpaddr = 0xFF << ((uint32_t) (0x8 * (Address & 0x3))); + tmp &= ~tmpaddr; + status = HAL_FLASHEx_DATAEEPROM_Erase(TYPEERASEDATA_WORD, Address & 0xFFFFFFFC); + status = HAL_FLASHEx_DATAEEPROM_Program(TYPEPROGRAMDATA_FASTWORD, (Address & 0xFFFFFFFC), tmp); + } +#else /*!Cat1*/ + /* If the previous operation is completed, proceed to write the new Data */ + *(__IO uint8_t *)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); +#endif /* STM32L100xB || STM32L151xB || STM32L152xB */ + } + /* Return the Write Status */ + return status; +} + +/** + * @brief Writes a half word at a specified address in data memory. + * @param Address: specifies the address to be written. + * @param Data: specifies the data to be written. + * @note This function assumes that the is data word is already erased. + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_DATAEEPROM_FastProgramHalfWord(uint32_t Address, uint16_t Data) +{ + HAL_StatusTypeDef status = HAL_OK; +#if defined(STM32L100xB) || defined (STM32L151xB) || defined (STM32L152xB) + uint32_t tmp = 0, tmpaddr = 0; +#endif /* STM32L100xB || STM32L151xB || STM32L152xB */ + + /* Check the parameters */ + assert_param(IS_FLASH_DATA_ADDRESS(Address)); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { + /* Clear the FTDW bit */ + CLEAR_BIT(FLASH->PECR, FLASH_PECR_FTDW); + +#if defined(STM32L100xB) || defined (STM32L151xB) || defined (STM32L152xB) + /* Possible only on Cat1 devices */ + if(Data != (uint16_t)0x0000) + { + /* If the previous operation is completed, proceed to write the new data */ + *(__IO uint16_t *)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + } + else + { + if((Address & 0x3) != 0x3) + { + tmpaddr = Address & 0xFFFFFFFC; + tmp = * (__IO uint32_t *) tmpaddr; + tmpaddr = 0xFFFF << ((uint32_t) (0x8 * (Address & 0x3))); + tmp &= ~tmpaddr; + status = HAL_FLASHEx_DATAEEPROM_Erase(TYPEERASEDATA_WORD, Address & 0xFFFFFFFC); + status = HAL_FLASHEx_DATAEEPROM_Program(TYPEPROGRAMDATA_FASTWORD, (Address & 0xFFFFFFFC), tmp); + } + else + { + HAL_FLASHEx_DATAEEPROM_Program(TYPEPROGRAMDATA_FASTBYTE, Address, 0x00); + HAL_FLASHEx_DATAEEPROM_Program(TYPEPROGRAMDATA_FASTBYTE, Address + 1, 0x00); + } + } +#else /* !Cat1 */ + /* If the previous operation is completed, proceed to write the new data */ + *(__IO uint16_t *)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); +#endif /* STM32L100xB || STM32L151xB || STM32L152xB */ + } + /* Return the Write Status */ + return status; +} + +/** + * @brief Programs a word at a specified address in data memory. + * @param Address: specifies the address to be written. + * @param Data: specifies the data to be written. + * @note This function assumes that the is data word is already erased. + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_DATAEEPROM_FastProgramWord(uint32_t Address, uint32_t Data) +{ + HAL_StatusTypeDef status = HAL_OK; + + /* Check the parameters */ + assert_param(IS_FLASH_DATA_ADDRESS(Address)); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { + /* Clear the FTDW bit */ + CLEAR_BIT(FLASH->PECR, FLASH_PECR_FTDW); + + /* If the previous operation is completed, proceed to program the new data */ + *(__IO uint32_t *)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + } + /* Return the Write Status */ + return status; +} + +/** + * @brief Write a Byte at a specified address in data memory without erase. + * @param Address: specifies the address to be written. + * @param Data: specifies the data to be written. + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramByte(uint32_t Address, uint8_t Data) +{ + HAL_StatusTypeDef status = HAL_OK; +#if defined(STM32L100xB) || defined (STM32L151xB) || defined (STM32L152xB) + uint32_t tmp = 0, tmpaddr = 0; +#endif /* STM32L100xB || STM32L151xB || STM32L152xB */ + + /* Check the parameters */ + assert_param(IS_FLASH_DATA_ADDRESS(Address)); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { +#if defined(STM32L100xB) || defined (STM32L151xB) || defined (STM32L152xB) + if(Data != (uint8_t) 0x00) + { + *(__IO uint8_t *)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + } + else + { + tmpaddr = Address & 0xFFFFFFFC; + tmp = * (__IO uint32_t *) tmpaddr; + tmpaddr = 0xFF << ((uint32_t) (0x8 * (Address & 0x3))); + tmp &= ~tmpaddr; + status = HAL_FLASHEx_DATAEEPROM_Erase(TYPEERASEDATA_WORD, Address & 0xFFFFFFFC); + status = HAL_FLASHEx_DATAEEPROM_Program(TYPEPROGRAMDATA_FASTWORD, (Address & 0xFFFFFFFC), tmp); + } +#else /* Not Cat1*/ + *(__IO uint8_t *)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); +#endif /* STM32L100xB || STM32L151xB || STM32L152xB */ + } + /* Return the Write Status */ + return status; +} + +/** + * @brief Writes a half word at a specified address in data memory without erase. + * @param Address: specifies the address to be written. + * @param Data: specifies the data to be written. + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramHalfWord(uint32_t Address, uint16_t Data) +{ + HAL_StatusTypeDef status = HAL_OK; +#if defined(STM32L100xB) || defined (STM32L151xB) || defined (STM32L152xB) + uint32_t tmp = 0, tmpaddr = 0; +#endif /* STM32L100xB || STM32L151xB || STM32L152xB */ + + /* Check the parameters */ + assert_param(IS_FLASH_DATA_ADDRESS(Address)); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { +#if defined(STM32L100xB) || defined (STM32L151xB) || defined (STM32L152xB) + if(Data != (uint16_t)0x0000) + { + *(__IO uint16_t *)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + } + else + { + if((Address & 0x3) != 0x3) + { + tmpaddr = Address & 0xFFFFFFFC; + tmp = * (__IO uint32_t *) tmpaddr; + tmpaddr = 0xFFFF << ((uint32_t) (0x8 * (Address & 0x3))); + tmp &= ~tmpaddr; + status = HAL_FLASHEx_DATAEEPROM_Erase(TYPEERASEDATA_WORD, Address & 0xFFFFFFFC); + status = HAL_FLASHEx_DATAEEPROM_Program(TYPEPROGRAMDATA_FASTWORD, (Address & 0xFFFFFFFC), tmp); + } + else + { + HAL_FLASHEx_DATAEEPROM_Program(TYPEPROGRAMDATA_FASTBYTE, Address, 0x00); + HAL_FLASHEx_DATAEEPROM_Program(TYPEPROGRAMDATA_FASTBYTE, Address + 1, 0x00); + } + } +#else /* Not Cat1*/ + *(__IO uint16_t *)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); +#endif /* STM32L100xB || STM32L151xB || STM32L152xB */ + } + /* Return the Write Status */ + return status; +} + +/** + * @brief Programs a word at a specified address in data memory without erase. + * @param Address: specifies the address to be written. + * @param Data: specifies the data to be written. + * @retval HAL status + */ +static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramWord(uint32_t Address, uint32_t Data) +{ + HAL_StatusTypeDef status = HAL_OK; + + /* Check the parameters */ + assert_param(IS_FLASH_DATA_ADDRESS(Address)); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + + if(status == HAL_OK) + { + *(__IO uint32_t *)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE); + } + /* Return the Write Status */ + return status; +} + +/** + * @} + */ + +/** + * @} + */ + +/** @addtogroup FLASH + * @{ + */ + +/** @addtogroup FLASH_Exported_Functions + * @{ + */ + +/** @addtogroup FLASH_Exported_Functions_Group1 + * @brief Interrupts functions + * +@verbatim + ============================================================================== + ##### Interrupts functions ##### + ============================================================================== + +@endverbatim + * @{ + */ + +/** + * @brief This function handles FLASH interrupt request. + * @retval None + */ +void HAL_FLASH_IRQHandler(void) +{ + uint32_t temp; + + /* If the program operation is completed, disable the PROG Bit */ + CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG); + + /* If the erase operation is completed, disable the ERASE Bit */ + CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE); + + /* Check FLASH End of Operation flag */ + if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP) != RESET) + { + if(ProcFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE) + { + /*Nb of sector to erased can be decreased*/ + ProcFlash.NbPagesToErase--; + + /* Check if there are still sectors to erase*/ + if(ProcFlash.NbPagesToErase != 0) + { + temp = ProcFlash.Page; + /*Indicate user which sector has been erased*/ + HAL_FLASH_EndOfOperationCallback(temp); + + /* Clear pending flags (if any) */ + __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_MASK); + + /*Increment sector number*/ + temp = ProcFlash.Page + FLASH_PAGE_SIZE; + ProcFlash.Page = ProcFlash.Page + FLASH_PAGE_SIZE; + FLASH_ErasePage(temp); + } + else + { + /*No more sectors to Erase, user callback can be called.*/ + /*Reset Sector and stop Erase sectors procedure*/ + ProcFlash.Page = temp = 0xFFFFFFFF; + ProcFlash.ProcedureOnGoing = FLASH_PROC_NONE; + /* FLASH EOP interrupt user callback */ + HAL_FLASH_EndOfOperationCallback(temp); + /* Clear FLASH End of Operation pending bit */ + __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); + } + } + else + { + if(ProcFlash.ProcedureOnGoing == FLASH_PROC_PROGRAM) + { + /*Program ended. Return the selected address*/ + /* FLASH EOP interrupt user callback */ + HAL_FLASH_EndOfOperationCallback(ProcFlash.Address); + } + ProcFlash.ProcedureOnGoing = FLASH_PROC_NONE; + /* Clear FLASH End of Operation pending bit */ + __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); + } + + } + + /* Check FLASH operation error flags */ + if( (__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) != RESET) || + (__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) != RESET) || + (__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR) != RESET) || +#if defined (STM32L151xBA) || defined (STM32L152xBA) || \ + defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) + (__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) != RESET) || +#endif /* STM32L151xBA || STM32L152xBA || STM32L151xC || STM32L152xC || STM32L162xC */ +#if defined(STM32L100xC) || defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) || \ + defined(STM32L151xCA) || defined (STM32L151xD) || defined (STM32L152xCA) || defined (STM32L152xD) || defined (STM32L162xCA) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + (__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERRUSR) != RESET) || +#endif /* STM32L100xC || STM32L151xC || STM32L152xC || STM32L162xC || STM32L151xCA || STM32L151xD || STM32L152xCA || STM32L152xD || STM32L162xCA || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + (__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR) != RESET) ) + { + if(ProcFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE) + { + /*return the faulty sector*/ + temp = ProcFlash.Page; + ProcFlash.Page = 0xFFFFFFFF; + } + else + { + /*retrun the faulty address*/ + temp = ProcFlash.Address; + } + + /*Save the Error code*/ + FLASH_SetErrorCode(); + + /* FLASH error interrupt user callback */ + HAL_FLASH_OperationErrorCallback(temp); + + /* Clear FLASH error pending bits */ + __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_MASK); + + /*Stop the procedure ongoing*/ + ProcFlash.ProcedureOnGoing = FLASH_PROC_NONE; + } + + if(ProcFlash.ProcedureOnGoing == FLASH_PROC_NONE) + { + /* Disable End of FLASH Operation interrupt */ + __HAL_FLASH_DISABLE_IT(FLASH_IT_EOP); + + /* Disable Error source interrupt */ + __HAL_FLASH_DISABLE_IT(FLASH_IT_ERR); + + /* Process Unlocked */ + __HAL_UNLOCK(&ProcFlash); + } + +} + +/** + * @} + */ + +/** + * @} + */ + +/** @defgroup FLASH_Internal_Functions FLASH Internal function + * @{ + */ + +/** + * @brief Wait for a FLASH operation to complete. + * @param Timeout: maximum flash operationtimeout + * @retval HAL status + */ +HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout) +{ + /* Wait for the FLASH operation to complete by polling on BUSY flag to be reset. + Even if the FLASH operation fails, the BUSY flag will be reset and an error + flag will be set */ + + uint32_t tickstart = HAL_GetTick(); + + while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY) != RESET) + { + if(Timeout != HAL_MAX_DELAY) + { + if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) + { + return HAL_TIMEOUT; + } + } + } + + if( (__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) != RESET) || + (__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) != RESET) || + (__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR) != RESET) || +#if defined (STM32L151xBA) || defined (STM32L152xBA) || \ + defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) + (__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) != RESET) || +#endif /* STM32L151xBA || STM32L152xBA || STM32L151xC || STM32L152xC || STM32L162xC */ +#if defined(STM32L100xC) || defined (STM32L151xC) || defined (STM32L152xC) || defined (STM32L162xC) || \ + defined(STM32L151xCA) || defined (STM32L151xD) || defined (STM32L152xCA) || defined (STM32L152xD) || defined (STM32L162xCA) || defined (STM32L162xD) || \ + defined(STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) + (__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERRUSR) != RESET) || +#endif /* STM32L100xC || STM32L151xC || STM32L152xC || STM32L162xC || STM32L151xCA || STM32L151xD || STM32L152xCA || STM32L152xD || STM32L162xCA || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE */ + (__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR) != RESET) ) + { + /*Save the error code*/ + FLASH_SetErrorCode(); + return HAL_ERROR; + } + + /* There is no error flag set */ + return HAL_OK; +} + + +/** + * @} + */ + +#endif /* HAL_FLASH_MODULE_ENABLED */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + |