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Last commit 20 Feb 2019 by 
mbed official
Diff: targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_flash_ex.c
- Revision:
- 489:119543c9f674
- Parent:
- 382:ee426a420dbb
--- a/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_flash_ex.c Thu Mar 05 13:15:07 2015 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_flash_ex.c Thu Mar 12 14:30:49 2015 +0000
@@ -2,16 +2,16 @@
******************************************************************************
* @file stm32l0xx_hal_flash_ex.c
* @author MCD Application Team
- * @version V1.1.0
- * @date 18-June-2014
+ * @version V1.2.0
+ * @date 06-February-2015
* @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 Programming
- * + DATA EEPROM Programming
+ * + FLASH Memory Erasing
+ * + DATA EEPROM Programming/Erasing
* + Option Bytes Programming
- * + Interrupts and flags management
+ * + Interrupts management
*
* @verbatim
==============================================================================
@@ -20,6 +20,7 @@
[..] Comparing to other products, the FLASH interface for STM32L0xx
devices contains the following additional features
+ (+) Erase functions
(+) DATA_EEPROM memory management
(+) BOOT option bit configuration
(+) PCROP protection for all sectors
@@ -30,13 +31,13 @@
of all STM32L0xx. It includes:
(+) Full DATA_EEPROM erase and program management
(+) Boot activation
- (+) PCROP protection configuration and control for all pages
+ (+) PCROP protection configuration and control for all sectors
@endverbatim
******************************************************************************
* @attention
*
- * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+ * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
@@ -65,11 +66,12 @@
/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_hal.h"
-/** @addtogroup STM32L0XX_HAL_Driver
+
+/** @addtogroup STM32L0xx_HAL_Driver
* @{
*/
-/** @defgroup FLASHEx HAL FLASH Driver
+/** @addtogroup FLASHEx
* @brief FLASH HAL Extension module driver
* @{
*/
@@ -78,62 +80,323 @@
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
-#define HAL_FLASH_TIMEOUT_VALUE ((uint32_t)0x50000
-#define WRP01_MASK ((uint32_t)0x0000FFFF)
-#define PAGESIZE ((uint32_t)0x00000080)
-
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
-static HAL_StatusTypeDef FLASH_OB_PCROPConfig(uint32_t OB_WRP, FunctionalState NewState);
-static HAL_StatusTypeDef FLASH_OB_PCROPSelectionConfig(uint16_t OB_PcROP);
-static HAL_StatusTypeDef FLASH_OB_BootConfig(uint16_t OB_BOOT);
-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_ProgramByte(uint32_t Address, uint8_t Data);
-static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramHalfWord(uint32_t Address, uint16_t Data);
-static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramWord(uint32_t Address, uint32_t Data);
-static uint8_t FLASH_OB_GetUser(void);
-static uint32_t FLASH_OB_GetWRP(void);
-static FlagStatus FLASH_OB_GetRDP(void);
-static uint8_t FLASH_OB_GetBOR(void);
-static HAL_StatusTypeDef FLASH_OB_WRPConfig(uint32_t OB_WRP, FunctionalState NewState);
-static HAL_StatusTypeDef FLASH_OB_RDP_LevelConfig(uint8_t OB_RDP);
+static HAL_StatusTypeDef FLASH_OB_RDPConfig(uint8_t OB_RDP);
+static HAL_StatusTypeDef FLASH_OB_BORConfig(uint8_t OB_BOR);
+static uint8_t FLASH_OB_GetUser(void);
+static uint8_t FLASH_OB_GetRDP(void);
+static uint8_t FLASH_OB_GetBOR(void);
+static uint8_t FLASH_OB_GetBOOTBit1(void);
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+static HAL_StatusTypeDef FLASH_OB_ProtectedSectorsConfig(uint32_t Sector, uint32_t Sector2, uint32_t NewState);
+#else
+static HAL_StatusTypeDef FLASH_OB_ProtectedSectorsConfig(uint32_t Sector, uint32_t NewState);
+#endif
+static HAL_StatusTypeDef FLASH_OB_PCROPSelectionConfig(uint32_t WPRMOD);
+static uint32_t FLASH_OB_GetWRP(void);
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+static uint32_t FLASH_OB_GetWRP2(void);
+#endif
static HAL_StatusTypeDef FLASH_OB_UserConfig(uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY);
-static HAL_StatusTypeDef FLASH_OB_BOR_LevelConfig(uint8_t OB_BOR);
+static HAL_StatusTypeDef FLASH_OB_BOOTBit1Config(uint8_t OB_BOOT_Bit1);
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+static HAL_StatusTypeDef FLASH_OB_BFB2Config(uint8_t OB_BFB2);
+#endif
+
+/* Exported functions ---------------------------------------------------------*/
-/* Aliases for legacy HAL versions compatibility */
-#define DATA_EEPROM_FastProgramByte FLASH_DATAEEPROM_FastProgramByte
-#define DATA_EEPROM_FastProgramHalfWord FLASH_DATAEEPROM_FastProgramHalfWord
-#define DATA_EEPROM_FastProgramWord FLASH_DATAEEPROM_FastProgramWord
-#define DATA_EEPROM_ProgramByte FLASH_DATAEEPROM_ProgramByte
-#define DATA_EEPROM_ProgramHalfWord FLASH_DATAEEPROM_ProgramHalfWord
-#define DATA_EEPROM_ProgramWord FLASH_DATAEEPROM_ProgramWord
-
-
-/* Private functions ---------------------------------------------------------*/
-
-/** @defgroup FLASHEx_Private_Functions Extended FLASH Private functions
+/** @addtogroup FLASHEx_Exported_Functions
* @{
*/
-/** @defgroup FLASHEx_Group1 Peripheral extended features functions
- * @brief Data transfers functions
+/** @addtogroup FLASHEx_Exported_Functions_Group1
+ * @brief FLASH Memory Erasing functions
*
@verbatim
- ===============================================================================
- ##### Extended Features functions #####
- ===============================================================================
- [..]
- This subsection provides a set of functions allowing to manage the FLASH data
- transfers.
+ ==============================================================================
+ ##### 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(FLASH_TIMEOUT_VALUE);
+
+ if (status == HAL_OK)
+ {
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
+
+ /*Initialization of PageError variable*/
+ *PageError = 0xFFFFFFFF;
+
+ /* Check the parameters */
+ assert_param(IS_NBPAGES(pEraseInit->NbPages));
+ assert_param(IS_FLASH_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(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).
+ End of erase is done when HAL_FLASH_EndOfOperationCallback is called with parameter
+ 0xFFFFFFFF
+ * @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);
+
+ /* Check the parameters */
+ assert_param(IS_NBPAGES(pEraseInit->NbPages));
+ assert_param(IS_FLASH_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));
+
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
+ 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;
+}
+
+/**
+ * @}
+ */
+
+
+/** @addtogroup FLASHEx_Exported_Functions_Group2
+ * @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 WPRMOD option bit must be activated.
+ (#) The active value of nWRPi bits is inverted when PCROP mode is active, this
+ means: if WPRMOD = 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
+@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 defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+ status = FLASH_OB_ProtectedSectorsConfig(pOBInit->WRPSector, pOBInit->WRPSector2, pOBInit->WRPState);
+#else
+ status = FLASH_OB_ProtectedSectorsConfig(pOBInit->WRPSector, pOBInit->WRPState);
+#endif
+ 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);
+ }
+
+ /* Program BOOT Bit1 config option byte */
+ if ((pOBInit->OptionType & OPTIONBYTE_BOOT_BIT1) == OPTIONBYTE_BOOT_BIT1)
+ {
+ status = FLASH_OB_BOOTBit1Config(pOBInit->BOOTBit1Config);
+ }
+
+ /* 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 WRP sector */
+ pOBInit->WRPSector = FLASH_OB_GetWRP();
+
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+ pOBInit->WRPSector2 = FLASH_OB_GetWRP2();
+#endif
+
+ /* Get RDP Level */
+ pOBInit->RDPLevel = FLASH_OB_GetRDP();
+
+ /* Get USER */
+ pOBInit->USERConfig = FLASH_OB_GetUser();
+
+ /* Get BOR Level */
+ pOBInit->BORLevel = FLASH_OB_GetBOR();
+
+ /* Get BOOT bit 1 config OB */
+ pOBInit->BOOTBit1Config = FLASH_OB_GetBOOTBit1();
+
+}
+
+/**
* @brief Program option bytes
* @param pAdvOBInit: pointer to an FLASH_AdvOBProgramInitTypeDef structure that
* contains the configuration information for the programming.
@@ -147,29 +410,23 @@
/* Check the parameters */
assert_param(IS_OBEX(pAdvOBInit->OptionType));
- /*Program PCROP option byte*/
- if ((pAdvOBInit->OptionType&OBEX_PCROP) == OBEX_PCROP)
+ /* Program PCROP option byte */
+ if ((pAdvOBInit->OptionType & OPTIONBYTE_PCROP) == OPTIONBYTE_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->Pages, ENABLE);
- status = FLASH_OB_PCROPSelectionConfig(OB_PCROP_SELECTED);
- }
- else
- {
- /*Disable of Write protection on the selected Sector*/
- status = FLASH_OB_PCROPConfig(pAdvOBInit->Pages, DISABLE);
- status = FLASH_OB_PCROPSelectionConfig(OB_PCROP_DESELECTED);
- }
- }
- /*Program BOOT config option byte*/
- if ((pAdvOBInit->OptionType&OBEX_BOOTCONFIG) == OBEX_BOOTCONFIG)
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+ status = FLASH_OB_ProtectedSectorsConfig(pAdvOBInit->PCROPSector, pAdvOBInit->PCROPSector2, pAdvOBInit->PCROPState);
+#else
+ status = FLASH_OB_ProtectedSectorsConfig(pAdvOBInit->PCROPSector, pAdvOBInit->PCROPState);
+#endif
+ }
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+ if ((pAdvOBInit->OptionType & OPTIONBYTE_BOOTCONFIG) == OPTIONBYTE_BOOTCONFIG)
{
- status = FLASH_OB_BootConfig(pAdvOBInit->BootConfig);
+ status = FLASH_OB_BFB2Config(pAdvOBInit->BootConfig);
}
+#endif
return status;
}
@@ -183,20 +440,54 @@
*/
void HAL_FLASHEx_AdvOBGetConfig(FLASH_AdvOBProgramInitTypeDef *pAdvOBInit)
{
- pAdvOBInit->OptionType = OBEX_PCROP| OBEX_BOOTCONFIG;
- /*Get PCROP state */
- pAdvOBInit->PCROPState = (FLASH->OBR & 0x00000100) >> 8;
- /*Get PCROP protected Pages */
- pAdvOBInit->Pages = FLASH->WRPR;
- /*Get Boot config OB*/
- pAdvOBInit->BootConfig = (FLASH->OBR & 0x80000000) >> 24;
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+ pAdvOBInit->OptionType = OPTIONBYTE_PCROP| OPTIONBYTE_BOOTCONFIG;
+#else
+ pAdvOBInit->OptionType = OPTIONBYTE_PCROP;
+#endif
+ /* Get PCROP state */
+ pAdvOBInit->PCROPState = (FLASH->OPTR & FLASH_OPTR_WPRMOD) >> 8;
+ /* Get PCROP protected sector */
+ pAdvOBInit->PCROPSector = FLASH->WRPR;
+
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+ /* Get PCROP protected sector */
+ pAdvOBInit->PCROPSector2 = FLASH->WRPR2;
+
+ /* Get boot bank config */
+ pAdvOBInit->BootConfig = (FLASH->OPTR & FLASH_OPTR_BFB2) >> 23;
+#endif
+}
+
+/**
+ * @brief Select the Protection Mode (WPRMOD).
+ * @note Once WPRMOD 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
+ * @param None
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_FLASHEx_OB_SelectPCROP(void)
+{
+ return (FLASH_OB_PCROPSelectionConfig(1));
+}
+
+/**
+ * @brief Deselect the Protection Mode (WPRMOD).
+ * @note Once WPRMOD 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
+ * @param None
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_FLASHEx_OB_DeSelectPCROP(void)
+{
+ return (FLASH_OB_PCROPSelectionConfig(0));
}
/**
* @}
*/
-/** @defgroup FLASHEx_Group2 DATA EEPROM Programming functions
+/** @addtogroup FLASHEx_Exported_Functions_Group3
* @brief DATA EEPROM Programming functions
*
@verbatim
@@ -230,15 +521,15 @@
{
if((FLASH->PECR & FLASH_PECR_PELOCK) != RESET)
{
- /* Unlocking the Data memory and FLASH_PECR register access*/
+ /* Unlocking the Data memory and FLASH_PECR register access */
FLASH->PEKEYR = FLASH_PEKEY1;
FLASH->PEKEYR = FLASH_PEKEY2;
+ return HAL_OK;
}
else
{
return HAL_ERROR;
}
- return HAL_OK;
}
/**
@@ -249,8 +540,7 @@
HAL_StatusTypeDef HAL_FLASHEx_DATAEEPROM_Lock(void)
{
/* Set the PELOCK Bit to lock the data memory and FLASH_PECR register access */
- FLASH->PECR |= FLASH_PECR_PELOCK;
-
+ SET_BIT(FLASH->PECR, FLASH_PECR_PELOCK);
return HAL_OK;
}
@@ -262,8 +552,7 @@
* Call the HAL_FLASHEx_DATAEEPROM_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.
+ * @retval HAL status
*/
HAL_StatusTypeDef HAL_FLASHEx_DATAEEPROM_Erase(uint32_t Address)
{
@@ -273,294 +562,98 @@
assert_param(IS_FLASH_DATA_ADDRESS(Address));
/* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
if(status == HAL_OK)
{
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
+
/* Write "00000000h" to valid address in the data memory" */
- *(__IO uint32_t *) Address = 0x00000000;
- }
-
- /* Return the erase status */
+ *(__IO uint32_t *) Address = 0x00000000;
+ }
return status;
}
/**
* @brief Program word at a specified address
* @param TypeProgram: Indicate the way to program at a specified address.
- * This parameter can be a value of @ref FLASH_Type_Program
+ * 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 HAL_FLASHEx_DATAEEPROM_Program(uint32_t TypeProgram, uint32_t Address, uint32_t Data)
{
HAL_StatusTypeDef status = HAL_ERROR;
/* Process Locked */
- __HAL_LOCK(&pFlash);
+ __HAL_LOCK(&ProcFlash);
/* Check the parameters */
- assert_param(IS_TYPEPROGRAM(TypeProgram));
-
+ assert_param(IS_TYPEPROGRAMDATA(TypeProgram));
+ assert_param(IS_FLASH_DATA_ADDRESS(Address));
+
/* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
if(status == HAL_OK)
{
- if(TypeProgram == TYPEPROGRAM_FASTBYTE)
- {
- /*Program word (8-bit) at a specified address.*/
- FLASH_DATAEEPROM_FastProgramByte(Address, (uint8_t) Data);
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
- }
-
- if(TypeProgram == TYPEPROGRAM_FASTHALFWORD)
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
+
+ if(TypeProgram == FLASH_TYPEPROGRAMDATA_WORD)
{
- /*Program word (16-bit) at a specified address.*/
- FLASH_DATAEEPROM_FastProgramHalfWord(Address, (uint16_t) Data);
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
- }
- if(TypeProgram == TYPEPROGRAM_FASTWORD)
- {
- /*Program word (32-bit) at a specified address.*/
- FLASH_DATAEEPROM_FastProgramWord(Address, (uint32_t) Data);
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
+ /* Program word (32-bit) at a specified address */
+ *(__IO uint32_t *)Address = Data;
}
- if(TypeProgram == TYPEPROGRAM_WORD)
+ else if(TypeProgram == FLASH_TYPEPROGRAMDATA_HALFWORD)
{
- /*Program word (32-bit) at a specified address.*/
- FLASH_DATAEEPROM_ProgramWord(Address, (uint32_t) Data);
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
+ /* Program word (16-bit) at a specified address */
+ *(__IO uint16_t *)Address = (uint16_t) Data;
}
-
- if(TypeProgram == TYPEPROGRAM_HALFWORD)
+ else if(TypeProgram == FLASH_TYPEPROGRAMDATA_BYTE)
{
- /*Program word (16-bit) at a specified address.*/
- FLASH_DATAEEPROM_ProgramHalfWord(Address, (uint16_t) Data);
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
+ /*Program word (8-bit) at a specified address */
+ *(__IO uint8_t *)Address = (uint8_t) Data;
}
-
- if(TypeProgram == TYPEPROGRAM_BYTE)
+ else
{
- /*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));
+ status = HAL_ERROR;
}
- }
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
+ }
/* Process Unlocked */
- __HAL_UNLOCK(&pFlash);
-
+ __HAL_UNLOCK(&ProcFlash);
return status;
}
/**
- * @brief Erase the specified FLASH memory Pages
- * @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
+ * @brief Enable DATA EEPROM fixed Time programming (2*Tprog).
+ * @retval None
*/
-HAL_StatusTypeDef HAL_FLASHEx_Erase(FLASH_EraseInitTypeDef *pEraseInit, uint32_t *PageError)
+void HAL_FLASHEx_DATAEEPROM_EnableFixedTimeProgram(void)
{
- HAL_StatusTypeDef status = HAL_ERROR;
- uint32_t index = 0;
-
- /* Process Locked */
- __HAL_LOCK(&pFlash);
-
- /* Check the parameters */
- assert_param(IS_TYPEERASE(pEraseInit->TypeErase));
-
- /* 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 + pEraseInit->Page));
-
- /* Erase by sector by sector to be done*/
- for(index = pEraseInit->Page; index < ((pEraseInit->NbPages*PAGESIZE)+ pEraseInit->Page); index+=PAGESIZE)
- {
- FLASH_Erase_Page(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 */
- FLASH->PECR &= (~FLASH_PECR_PROG);
- 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(&pFlash);
-
- return status;
+ SET_BIT(FLASH->PECR, FLASH_PECR_FIX);
}
/**
- * @brief Perform a page erase of the specified FLASH memory pages with interrupt enabled
- * @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);
-
- /* Check the parameters */
- assert_param(IS_TYPEERASE(pEraseInit->TypeErase));
-
- /* 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_EOP | FLASH_FLAG_ENDHV | FLASH_FLAG_WRPERR |\
- FLASH_FLAG_PGAERR | FLASH_FLAG_SIZERR| FLASH_FLAG_OPTVERR |\
- FLASH_FLAG_RDERR | FLASH_FLAG_NOTZEROERR);
-
- if (pEraseInit->TypeErase == TYPEERASE_PAGEERASE)
- {
- /* Erase by sector to be done*/
-
- /* Check the parameters */
- assert_param(IS_NBPAGES(pEraseInit->NbPages + pEraseInit->Page));
-
- pFlash.ProcedureOnGoing = FLASH_PROC_PAGEERASE;
- pFlash.NbPagesToErase = pEraseInit->NbPages;
- pFlash.Page = pEraseInit->Page;
-
- /*Erase 1st page and wait for IT*/
- FLASH_Erase_Page(pEraseInit->Page);
- }
-
- return status;
-}
-
-
-/**
- * @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(&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 == WRPSTATE_ENABLE)
- {
- /*Enable of Write protection on the selected Sector*/
- status = FLASH_OB_WRPConfig(pOBInit->WRPSector, ENABLE);
- }
- else
- {
- /*Disable of Write protection on the selected Sector*/
- status = FLASH_OB_WRPConfig(pOBInit->WRPSector, DISABLE);
- }
- }
-
- /* Read protection configuration*/
- if((pOBInit->OptionType & OPTIONBYTE_RDP) == OPTIONBYTE_RDP)
- {
- status = FLASH_OB_RDP_LevelConfig(pOBInit->RDPLevel);
- }
-
- /* 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);
- }
-
- /* BOR Level configuration*/
- if((pOBInit->OptionType & OPTIONBYTE_BOR) == OPTIONBYTE_BOR)
- {
- status = FLASH_OB_BOR_LevelConfig(pOBInit->BORLevel);
- }
- /* 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.
- *
+ * @brief Disables DATA EEPROM fixed Time programming (2*Tprog).
* @retval None
*/
-void HAL_FLASHEx_OBGetConfig(FLASH_OBProgramInitTypeDef *pOBInit)
+void HAL_FLASHEx_DATAEEPROM_DisableFixedTimeProgram(void)
{
- pOBInit->OptionType = OPTIONBYTE_WRP | OPTIONBYTE_RDP | OPTIONBYTE_USER | OPTIONBYTE_BOR;
-
- /*Get WRP*/
- pOBInit->WRPSector = FLASH_OB_GetWRP();
-
- /*Get RDP Level*/
- pOBInit->RDPLevel = FLASH_OB_GetRDP();
-
- /*Get USER*/
- pOBInit->USERConfig = FLASH_OB_GetUser();
-
- /*Get BOR Level*/
- pOBInit->BORLevel = FLASH_OB_GetBOR();
+ CLEAR_BIT(FLASH->PECR, FLASH_PECR_FIX);
}
/**
* @}
*/
-
+
/**
* @brief Returns the FLASH User Option Bytes values.
* @param None
@@ -569,7 +662,40 @@
static uint8_t FLASH_OB_GetUser(void)
{
/* Return the User Option Byte */
- return (uint8_t)(FLASH->OBR >> 20);
+ return (uint8_t)((FLASH->OPTR & FLASH_OPTR_USER) >> 16);
+}
+
+/**
+ * @brief Returns the FLASH Read out Protection Level.
+ * @param None
+ * @retval FLASH RDP level.
+ */
+static uint8_t FLASH_OB_GetRDP(void)
+{
+ return (uint8_t)(FLASH->OPTR & FLASH_OPTR_RDPROT);
+}
+
+/**
+ * @brief Returns the FLASH BOR level.
+ * @param None
+ * @retval The BOR level Option Bytes.
+ */
+static uint8_t FLASH_OB_GetBOR(void)
+{
+ /* Return the BOR level */
+ return (uint8_t)((FLASH->OPTR & (uint32_t)FLASH_OPTR_BOR_LEV) >> 16);
+}
+
+/**
+ * @brief Returns the FLASH BOOT bit1 value.
+ * @param None
+ * @retval The BOOT bit 1 value Option Bytes.
+ */
+static uint8_t FLASH_OB_GetBOOTBit1(void)
+{
+ /* Return the BOR level */
+ return (FLASH->OPTR & FLASH_OPTR_BOOT1) >> 31;
+
}
/**
@@ -583,122 +709,18 @@
return (uint32_t)(FLASH->WRPR);
}
-/**
- * @brief Checks whether the FLASH Read out Protection Status is set or not.
- * @param None
- * @retval FLASH ReadOut Protection Status(SET or RESET).
- */
-static FlagStatus FLASH_OB_GetRDP(void)
-{
- FlagStatus readstatus = RESET;
-
- if ((uint8_t)(FLASH->OBR) != (uint8_t)OB_RDP_Level_0)
- {
- readstatus = SET;
- }
- else
- {
- readstatus = RESET;
- }
- return readstatus;
-}
-
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
/**
- * @brief Returns the FLASH BOR level.
+ * @brief Returns the FLASH Write Protection Option Bytes value.
* @param None
- * @retval The FLASH User Option Bytes.
+ * @retval The FLASH Write Protection Option Bytes value.
*/
-static uint8_t FLASH_OB_GetBOR(void)
-{
- /* Return the BOR level */
- return (uint8_t)((FLASH->OBR & (uint32_t)0x000F0000) >> 16);
-}
-
-/**
- * @brief Write protects the desired pages of the first 64KB of the Flash.
- * @param OB_WRP: specifies the address of the pages to be write protected.
- * This parameter can be:
- * @arg value between OB_WRP_Pages0to31 and OB_WRP_Pages480to511
- * @arg OB_WRP_AllPages
- * @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(uint32_t OB_WRP, FunctionalState NewState)
+static uint32_t FLASH_OB_GetWRP2(void)
{
- HAL_StatusTypeDef status = HAL_OK;
- uint32_t WRP01_Data = 0;
- uint32_t tmp1 = 0;
-
- /* Check the parameters */
- assert_param(IS_OB_WRP(OB_WRP));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
- if(status == HAL_OK)
- {
- if (NewState != DISABLE)
- {
- WRP01_Data = (uint16_t)(((OB_WRP & WRP01_MASK) | OB->WRP01));
- tmp1 = (uint32_t)(~(WRP01_Data) << 16)|(WRP01_Data);
- OB->WRP01 = tmp1;
- }
- else
- {
- WRP01_Data = (uint16_t)(~OB_WRP & (WRP01_MASK & OB->WRP01));
- tmp1 = (uint32_t)((~WRP01_Data) << 16)|(WRP01_Data);
- OB->WRP01 = tmp1;
- }
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE));
- }
-
- /* Return the write protection operation Status */
- return status;
+ /* Return the FLASH write protection Register value */
+ return (uint32_t)(FLASH->WRPR2);
}
-/**
- * @brief Enables or disables the read out protection.
- * @note To correctly run this function, the FLASH_OB_Unlock() function
- * must be called before.
- * @param FLASH_ReadProtection_Level: specifies the read protection level.
- * This parameter can be:
- * @arg OB_RDP_Level_0: No protection
- * @arg OB_RDP_Level_1: Read protection of the memory
- * @arg OB_RDP_Level_2: Chip protection
- *
- * !!!Warning!!! When enabling OB_RDP_Level_2 it's no more possible to go back to level 1 or 0
- *
- * @retval FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
- */
-static HAL_StatusTypeDef FLASH_OB_RDP_LevelConfig(uint8_t OB_RDP)
-{
- HAL_StatusTypeDef status = HAL_OK;
- uint16_t tmp1 = 0;
- uint32_t tmp2 = 0;
-
- /* Check the parameters */
- assert_param(IS_OB_RDP(OB_RDP));
- status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE));
-
- /* calculate the option byte to write */
- tmp1 = ((uint16_t)(*(__IO uint16_t *)(OB_BASE)) & 0xFF00) | OB_RDP;
- tmp2 = (uint32_t)(((uint32_t)((uint32_t)(~tmp1) << 16)) | ((uint32_t)tmp1));
-
- if(status == HAL_OK)
- {
- /* program read protection level */
- OB->RDP = tmp2;
- }
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
- /* Return the Read protection operation Status */
- return status;
-}
+#endif /* STM32L071xx || STM32L072xx || STM32L073xx || STM32L081xx || STM32L082xx || STM32L083xx */
/**
* @brief Programs the FLASH User Option Byte: IWDG_SW / RST_STOP / RST_STDBY.
@@ -712,42 +734,84 @@
* @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_NORST: No reset generated when entering in STANDBY
* @arg OB_STDBY_RST: Reset generated when entering in STANDBY
- * @retval FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ * @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;
+ uint32_t tmp = 0, tmp1 = 0, OB_Bits = (uint32_t) (OB_IWDG | OB_STOP | OB_STDBY);
/* 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));
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
+
/* Get the User Option byte register */
- tmp1 = (FLASH->OBR & 0x800F0000) >> 16;
-
+ tmp1 = OB->USER & ((~FLASH_OPTR_USER) >> 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);
+ tmp = (~(OB_Bits | tmp1)) << 16;
+ tmp |= OB_Bits | tmp1;
/* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
if(status == HAL_OK)
{
- /* Write the User Option Byte */
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
+ /* Program OB */
OB->USER = tmp;
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
}
+ return status;
+}
+
+/**
+ * @brief Enables or disables the read out protection.
+ * @note To correctly run this function, the 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;
+ uint32_t tmp = 0, tmp1 = 0, OB_Bits = (uint32_t) OB_RDP;
+
+ /* Check the parameters */
+ assert_param(IS_OB_RDP(OB_RDP));
+
+ /* Calculate the option byte to write */
+ tmp = (OB->RDP & ((~FLASH_OPTR_RDPROT) & 0x0000FFFF)) | OB_Bits;
+ tmp1 = (~tmp << 16) | tmp;
/* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
- /* Return the Option Byte program Status */
- return status;
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
+
+ if(status == HAL_OK)
+ {
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
+ /* Program OB */
+ OB->RDP = tmp1;
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
+ }
+ return status;
}
/**
@@ -761,503 +825,241 @@
* @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 FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ * @retval HAL status
*/
-static HAL_StatusTypeDef FLASH_OB_BOR_LevelConfig(uint8_t OB_BOR)
+static HAL_StatusTypeDef FLASH_OB_BORConfig(uint8_t OB_BOR)
{
HAL_StatusTypeDef status = HAL_OK;
- uint32_t tmp = 0, tmp1 = 0;
+ uint32_t tmp = 0, tmp1 = 0, OB_Bits = (uint32_t) OB_BOR;
/* Check the parameters */
assert_param(IS_OB_BOR_LEVEL(OB_BOR));
/* Get the User Option byte register */
- tmp1 = (FLASH->OBR & 0x000F0000) >> 16;
-
- /* Calculate the option byte to write */
- tmp = (uint32_t)~(OB_BOR | tmp1)<<16;
- tmp |= (OB_BOR | tmp1);
+ tmp1 = OB->USER & ((~FLASH_OPTR_BOR_LEV) >> 16);
+
+ /* Calculate the user option byte to write */
+ tmp = (~(OB_Bits | tmp1)) << 16;
+ tmp |= OB_Bits | tmp1;
/* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
if(status == HAL_OK)
{
- /* Write the BOR Option Byte */
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
+ /* Program OB */
OB->USER = tmp;
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
}
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
- /* Return the Option Byte program Status */
return status;
}
+/**
+ * @brief Sets or resets the BOOT bit1 option bit.
+ * @param OB_BOOT_BIT1: Set or Reset the BOOT bit1 option bit.
+ * This parameter can be one of the following values:
+ * @arg OB_BOOT_BIT1_RESET: BOOT1 option bit reset
+ * @arg OB_BOOT_BIT1_SET: BOOT1 option bit set
+ * @retval HAL status
+ */
+static HAL_StatusTypeDef FLASH_OB_BOOTBit1Config(uint8_t OB_BOOT_BIT1)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+ uint32_t tmp = 0, tmp1 = 0, OB_Bits = ((uint32_t) OB_BOOT_BIT1) << 15;
-/**
- * @brief Enables or disables the read/write protection (PCROP) of the desired
- * sectors, for the first 64KB of the Flash.
- * @param OB_WRP: specifies the address of the pages to be write protected.
- * This parameter can be:
- * @arg value between OB_WRP_Pages0to31 and OB_WRP_Pages480to511
- * @arg OB_WRP_AllPages
- * @param NewState: new state of the specified FLASH Pages Write protection.
- * This parameter can be: ENABLE or DISABLE.
- * @retval FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
- */
-static HAL_StatusTypeDef FLASH_OB_PCROPConfig(uint32_t OB_WRP, FunctionalState NewState)
-{
- HAL_StatusTypeDef status = HAL_OK;
- uint32_t WRP01_Data = 0;
- uint32_t tmp1 = 0;
-
/* Check the parameters */
- assert_param(IS_OB_WRP(OB_WRP));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
- if(status == HAL_OK)
- {
- if (NewState != DISABLE)
- {
- WRP01_Data = (uint16_t)(~OB_WRP & (WRP01_MASK & OB->WRP01));
+ assert_param(IS_OB_BOOT1(OB_BOOT_BIT1));
+
+ /* Get the User Option byte register */
+ tmp1 = OB->USER & ((~FLASH_OPTR_BOOT1) >> 16);
- tmp1 = (uint32_t)((~WRP01_Data) << 16)|(WRP01_Data);
- OB->WRP01 = tmp1;
- }
+ /* Calculate the user option byte to write */
+ tmp = (~(OB_Bits | tmp1)) << 16;
+ tmp |= OB_Bits | tmp1;
- else
- {
- WRP01_Data = (uint16_t)((OB_WRP & WRP01_MASK) | OB->WRP01);
-
- tmp1 = (uint32_t)(~(WRP01_Data) << 16)|(WRP01_Data);
- OB->WRP01 = tmp1;
- }
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
+
+ if(status == HAL_OK)
+ {
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
+ /* Program OB */
+ OB->USER = tmp;
/* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
}
- /* Return the write protection operation Status */
- return status;
+ return status;
}
/**
- * @brief Select the Protection Mode (SPRMOD).
- * @note Once SPRMOD bit is active, unprotection of a protected sector is not possible
+ * @brief Select the Protection Mode (WPRMOD).
+ * @note Once WPRMOD 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
* @param OB_PcROP: Select the Protection Mode of WPR bits.
* This parameter can be:
* @arg OB_PCROP_SELECTED: nWRP control the read&write protection (PcROP) of respective user sectors.
* @arg OB_PCROP_DESELECTED: nWRP control the write protection of respective user sectors.
- * @retval FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ * @retval HAL status
*/
-static HAL_StatusTypeDef FLASH_OB_PCROPSelectionConfig(uint16_t OB_PcROP)
+static HAL_StatusTypeDef FLASH_OB_PCROPSelectionConfig(uint32_t WPRMOD)
{
- HAL_StatusTypeDef status = HAL_OK;
- uint16_t tmp1 = 0;
- uint32_t tmp2 = 0;
- uint8_t optiontmp = 0;
- uint16_t optiontmp2 = 0;
-
- /* Check the parameters */
- assert_param(IS_OB_PCROP_SELECT(OB_PcROP));
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
- /* Mask RDP Byte */
- optiontmp = (uint8_t)(*(__IO uint8_t *)(OB_BASE));
-
- /* Update Option Byte */
- optiontmp2 = (uint16_t)(OB_PcROP | 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;
- }
+ HAL_StatusTypeDef status;
+ uint32_t tmp = 0, tmp1 = 0, OB_Bits = ((uint32_t) WPRMOD) << 8;
+
+ /* Get the User Option byte register */
+ tmp1 = OB->USER & ((~FLASH_OPTR_WPRMOD) >> 16);
+
+ /* Calculate the user option byte to write */
+ tmp = (~(OB_Bits | tmp1)) << 16;
+ tmp |= OB_Bits | tmp1;
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE));
-
- /* Return the Read protection operation Status */
- return status;
-}
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
-/**
- * @brief Select the Protection Mode (SPRMOD).
- * @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
- * @param None
- * @retval FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
- */
-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;
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
- /* Mask RDP Byte */
- optiontmp = (uint8_t)(*(__IO uint8_t *)(OB_BASE));
-
- /* Update Option Byte */
- optiontmp2 = (uint16_t)(FLASH_OBR_SPRMOD | 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 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
- * @param None
- * @retval FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
- */
-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;
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
- /* Mask RDP Byte */
- optiontmp = (uint8_t)(*(__IO uint8_t *)(OB_BASE));
-
- /* Update Option Byte */
- optiontmp2 = (uint16_t)(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;
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
+ /* Program OB */
+ OB->RDP = tmp;
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
}
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation(HAL_FLASH_TIMEOUT_VALUE));
-
- /* Return the Read protection operation Status */
- return status;
-}
-
-/**
- * @brief Sets or resets the BOOT1 option bit.
- * @param OB_BOOT1: Set or Reset the BOOT1 option bit.
- * This parameter can be one of the following values:
- * @arg OB_BOOT1_RESET: BOOT1 option bit reset
- * @arg OB_BOOT1_SET: BOOT1 option bit set
- * @retval None
- */
-static HAL_StatusTypeDef FLASH_OB_BootConfig(uint16_t OB_BOOT)
-{
- HAL_StatusTypeDef status = HAL_OK;
- uint32_t tmp = 0, tmp1 = 0;
-
- /* Check the parameters */
- assert_param(IS_OB_BOOT1(OB_BOOT));
-
- /* Get the User Option byte register */
- tmp1 = (FLASH->OBR & 0x007F0000) >> 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((uint32_t)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((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
- /* Return the Option Byte program Status */
return status;
}
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
/**
- * @brief Write a Byte at a specified address in data memory.
- * @note To correctly run this function, the HAL_FLASHEx_DATAEEPROM_Unlock() function
- * must be called before.
- * Call the HAL_FLASHEx_DATAEEPROM_Lock() to the data EEPROM access
- * and Flash program erase control register access(recommended to protect
- * the DATA_EEPROM against possible unwanted operation).
- * @param Address: specifies the address to be written.
- * @param Data: specifies the data to be written.
- * @note This function assumes that data word is already erased.
- * @retval FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ * @brief Sets or resets the BFB2 option bit.
+ * @param BFB2: Set or Reset the BFB2 option bit.
+ * This parameter can be one of the following values:
+ * @arg OB_BOOT_BANK1: BFB2 option bit reset
+ * @arg OB_BOOT_BANK2: BFB2 option bit set
+ * @retval None
*/
-static HAL_StatusTypeDef FLASH_DATAEEPROM_FastProgramByte(uint32_t Address, uint8_t Data)
+static HAL_StatusTypeDef FLASH_OB_BFB2Config(uint8_t OB_BFB2)
{
- HAL_StatusTypeDef status = HAL_ERROR;
-
+ HAL_StatusTypeDef status = HAL_OK;
+ uint32_t tmp = 0, tmp1 = 0, OB_Bits = ((uint32_t) OB_BFB2) << 7;
+
/* Check the parameters */
- assert_param(IS_FLASH_DATA_ADDRESS(Address));
+ assert_param(IS_OB_BOOT_BANK(OB_BFB2));
+
+ /* Get the User Option byte register */
+ tmp1 = OB->USER & ((~FLASH_OPTR_BFB2) >> 16);
+ /* Calculate the user option byte to write */
+ tmp = (~(OB_Bits | tmp1)) << 16;
+ tmp |= OB_Bits | tmp1;
+
/* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
+
if(status == HAL_OK)
- {
- /* Clear the FTDW bit */
- FLASH->PECR &= (uint32_t)(~((uint32_t)FLASH_PECR_FTDW));
+ {
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
- /* If the previous operation is completed, proceed to write the new Data */
- *(__IO uint8_t *)Address = Data;
-
+ /* Program OB */
+ OB->USER = tmp;
+
/* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
}
- /* Return the Write Status */
return status;
}
+#endif
/**
- * @brief Writes a half word at a specified address in data memory.
- * @note To correctly run this function, the HAL_FLASHEx_DATAEEPROM_Unlock() function
- * must be called before.
- * Call the HAL_FLASHEx_DATAEEPROM_Lock() to he data EEPROM access
- * and Flash program erase control register access(recommended to protect
- * the DATA_EEPROM against possible unwanted operation).
- * @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 FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
+ * @brief Write Option Byte of the desired pages of the Flash.
+ * @param Sector: specifies the sectors to be write protected.
+ * @param Sector2: specifies the sectors to be write protected only stm32l07xxx and stm32l08xxx devices
+ * @param NewState: new state of the specified FLASH Pages Wite protection.
+ * This parameter can be: ENABLE or DISABLE.
+ * @retval HAL_StatusTypeDef
*/
-static HAL_StatusTypeDef FLASH_DATAEEPROM_FastProgramHalfWord(uint32_t Address, uint16_t Data)
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+static HAL_StatusTypeDef FLASH_OB_ProtectedSectorsConfig(uint32_t Sector, uint32_t Sector2, uint32_t NewState)
+#else
+static HAL_StatusTypeDef FLASH_OB_ProtectedSectorsConfig(uint32_t Sector, uint32_t NewState)
+#endif
{
- HAL_StatusTypeDef status = HAL_ERROR;
+ HAL_StatusTypeDef status = HAL_OK;
+ uint32_t WRP_Data = 0;
+ uint32_t OB_WRP = Sector;
/* Check the parameters */
- 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)
- {
- /* Clear the FTDW bit */
- FLASH->PECR &= (uint32_t)(~((uint32_t)FLASH_PECR_FTDW));
-
- /* 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((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
- }
- /* Return the Write Status */
- return status;
-}
-
-/**
- * @brief Programs a word at a specified address in data memory.
- * @note To correctly run this function, the HAL_FLASHEx_DATAEEPROM_Unlock() function
- * must be called before.
- * Call the HAL_FLASHEx_DATAEEPROM_Lock() to the data EEPROM access
- * and Flash program erase control register access(recommended to protect
- * the DATA_EEPROM against possible unwanted operation).
- * @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 FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
- */
-static HAL_StatusTypeDef FLASH_DATAEEPROM_FastProgramWord(uint32_t Address, uint32_t Data)
-{
- HAL_StatusTypeDef status = HAL_ERROR;
-
- /* Check the parameters */
- assert_param(IS_FLASH_DATA_ADDRESS(Address));
+ assert_param(IS_FUNCTIONAL_STATE(NewState));
/* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
if(status == HAL_OK)
{
- /* Clear the FTDW bit */
- FLASH->PECR &= (uint32_t)(~((uint32_t)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((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
- }
- /* Return the Write Status */
- return status;
-}
-
-/**
- * @brief Write a Byte at a specified address in data memory without erase.
- * @note To correctly run this function, the HAL_FLASHEx_DATAEEPROM_Unlock() function
- * must be called before.
- * Call the HAL_FLASHEx_DATAEEPROM_Lock() to he data EEPROM access
- * and Flash program erase control register access(recommended to protect
- * the DATA_EEPROM against possible unwanted operation).
- * @param Address: specifies the address to be written.
- * @param Data: specifies the data to be written.
- * @retval FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
- */
-static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramByte(uint32_t Address, uint8_t Data)
-{
- HAL_StatusTypeDef status = HAL_ERROR;
-
- /* Check the parameters */
- 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)
- {
- /* Set the FTDW bit */
- FLASH->PECR |= (uint32_t)FLASH_PECR_FTDW;
-
- *(__IO uint8_t *)Address = Data;
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
- }
- /* Return the Write Status */
- return status;
-}
+ /* Clean the error context */
+ ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
-/**
- * @brief Writes a half word at a specified address in data memory without erase.
- * @note To correctly run this function, the HAL_FLASHEx_DATAEEPROM_Unlock function
- * must be called before.
- * Call the HAL_FLASHEx_DATAEEPROM_Lock() to he data EEPROM access
- * and Flash program erase control register access(recommended to protect
- * the DATA_EEPROM against possible unwanted operation).
- * @param Address: specifies the address to be written.
- * @param Data: specifies the data to be written.
- * @retval FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
- */
-static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramHalfWord(uint32_t Address, uint16_t Data)
-{
- HAL_StatusTypeDef status = HAL_ERROR;
-
- /* Check the parameters */
- 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)
- {
- /* Set the FTDW bit */
- FLASH->PECR |= (uint32_t)FLASH_PECR_FTDW;
-
- *(__IO uint16_t *)Address = Data;
-
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
- }
- /* Return the Write Status */
- return status;
-}
+ if (OB_WRP & 0x0000FFFF)
+ {
+ if (NewState != OB_WRPSTATE_DISABLE)
+ {
+ WRP_Data = (uint16_t)(((OB_WRP & WRP_MASK_LOW) | OB->WRP01));
+ OB->WRP01 = (uint32_t)(~(WRP_Data) << 16) | (WRP_Data);
+ }
+ else
+ {
+ WRP_Data = (uint16_t)(~OB_WRP & (WRP_MASK_LOW & OB->WRP01));
+ OB->WRP01 = (uint32_t)((~WRP_Data) << 16) | (WRP_Data);
+ }
+ }
+#if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx)
+ if (OB_WRP & 0xFFFF0000)
+ {
+ if (NewState != OB_WRPSTATE_DISABLE)
+ {
+ WRP_Data = (uint16_t)((((OB_WRP & WRP_MASK_HIGH) >> 16 | OB->WRP23)));
+ OB->WRP23 = (uint32_t)(~(WRP_Data) << 16) | (WRP_Data);
+ }
+ else
+ {
+ WRP_Data = (uint16_t)((((~OB_WRP & WRP_MASK_HIGH) >> 16 & OB->WRP23)));
+ OB->WRP23 = (uint32_t)((~WRP_Data) << 16) | (WRP_Data);
+ }
+ }
-/**
- * @brief Programs a word at a specified address in data memory without erase.
- * @note To correctly run this function, the HAL_FLASHEx_DATAEEPROM_Unlock() function
- * must be called before.
- * Call the HAL_FLASHEx_DATAEEPROM_Lock() to he data EEPROM access
- * and Flash program erase control register access(recommended to protect
- * the DATA_EEPROM against possible unwanted operation).
- * @param Address: specifies the address to be written.
- * @param Data: specifies the data to be written.
- * @retval FLASH Status: The returned value can be:
- * FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
- */
-static HAL_StatusTypeDef FLASH_DATAEEPROM_ProgramWord(uint32_t Address, uint32_t Data)
-{
- HAL_StatusTypeDef status = HAL_ERROR;
-
- /* Check the parameters */
- assert_param(IS_FLASH_DATA_ADDRESS(Address));
-
+ OB_WRP = Sector2;
+ if (OB_WRP & 0x0000FFFF)
+ {
+ if (NewState != OB_WRPSTATE_DISABLE)
+ {
+ WRP_Data = (uint16_t)(((OB_WRP & WRP_MASK_LOW) | OB->WRP45));
+ OB->WRP45 =(uint32_t)(~(WRP_Data) << 16) | (WRP_Data);
+ }
+ else
+ {
+ WRP_Data = (uint16_t)(~OB_WRP & (WRP_MASK_LOW & OB->WRP45));
+ OB->WRP45 = (uint32_t)((~WRP_Data) << 16) | (WRP_Data);
+ }
+ }
+#endif /* STM32L071xx || STM32L072xx || STM32L073xx || STM32L081xx || STM32L082xx || STM32L083xx */
+ }
/* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
-
- if(status == HAL_OK)
- {
- /* Set the FTDW bit */
- FLASH->PECR |= (uint32_t)FLASH_PECR_FTDW;
-
- *(__IO uint32_t *)Address = Data;
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
- /* Wait for last operation to be completed */
- status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE));
- }
- /* Return the Write Status */
- return status;
+ /* Return the write protection operation Status */
+ return status;
}
-
-/**
- * @}
- */
-#endif /* HAL_FLASH_MODULE_ENABLED */
-
/**
* @}
*/
-
-/**
- * @}
- */
+#endif /* HAL_FLASH_MODULE_ENABLED */
-
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-
-
