Modules
	Flash_Latency
	FLASH_Voltage_Range
	FLASH_Sectors
	Option_Bytes_Write_Protection
	Selection_Protection_Mode
	Option_Bytes_PC_ReadWrite_Protection
	FLASH_Option_Bytes_Read_Protection
	FLASH_Option_Bytes_IWatchdog
	FLASH_Option_Bytes_nRST_STOP
	FLASH_Option_Bytes_nRST_STDBY
	FLASH_BOR_Reset_Level
	FLASH_Dual_Boot
	FLASH_Interrupts
	FLASH_Flags
Functions
void	FLASH_SetLatency (uint32_t FLASH_Latency)
	Sets the code latency value.
void	FLASH_PrefetchBufferCmd (FunctionalState NewState)
	Enables or disables the Prefetch Buffer.
void	FLASH_InstructionCacheCmd (FunctionalState NewState)
	Enables or disables the Instruction Cache feature.
void	FLASH_DataCacheCmd (FunctionalState NewState)
	Enables or disables the Data Cache feature.
void	FLASH_InstructionCacheReset (void)
	Resets the Instruction Cache.
void	FLASH_DataCacheReset (void)
	Resets the Data Cache.
void	FLASH_Unlock (void)
	Unlocks the FLASH control register access.
void	FLASH_Lock (void)
	Locks the FLASH control register access.
FLASH_Status	FLASH_EraseSector (uint32_t FLASH_Sector, uint8_t VoltageRange)
	Erases a specified FLASH Sector.
FLASH_Status	FLASH_EraseAllSectors (uint8_t VoltageRange)
	Erases all FLASH Sectors.
FLASH_Status	FLASH_EraseAllBank1Sectors (uint8_t VoltageRange)
	Erases all FLASH Sectors in Bank 1.
FLASH_Status	FLASH_EraseAllBank2Sectors (uint8_t VoltageRange)
	Erases all FLASH Sectors in Bank 2.
FLASH_Status	FLASH_ProgramDoubleWord (uint32_t Address, uint64_t Data)
	Programs a double word (64-bit) at a specified address.
FLASH_Status	FLASH_ProgramWord (uint32_t Address, uint32_t Data)
	Programs a word (32-bit) at a specified address.
FLASH_Status	FLASH_ProgramHalfWord (uint32_t Address, uint16_t Data)
	Programs a half word (16-bit) at a specified address.
FLASH_Status	FLASH_ProgramByte (uint32_t Address, uint8_t Data)
	Programs a byte (8-bit) at a specified address.
void	FLASH_OB_Unlock (void)
	Unlocks the FLASH Option Control Registers access.
void	FLASH_OB_Lock (void)
	Locks the FLASH Option Control Registers access.
void	FLASH_OB_WRPConfig (uint32_t OB_WRP, FunctionalState NewState)
	Enables or disables the write protection of the desired sectors, for the first 1 Mb of the Flash.
void	FLASH_OB_WRP1Config (uint32_t OB_WRP, FunctionalState NewState)
	Enables or disables the write protection of the desired sectors, for the second 1 Mb of the Flash.
void	FLASH_OB_PCROPSelectionConfig (uint8_t OB_PcROP)
	Select the Protection Mode (SPRMOD).
void	FLASH_OB_PCROPConfig (uint32_t OB_PCROP, FunctionalState NewState)
	Enables or disables the read/write protection (PCROP) of the desired sectors, for the first 1 MB of the Flash.
void	FLASH_OB_PCROP1Config (uint32_t OB_PCROP, FunctionalState NewState)
	Enables or disables the read/write protection (PCROP) of the desired sectors.
void	FLASH_OB_RDPConfig (uint8_t OB_RDP)
	Sets the read protection level.
void	FLASH_OB_UserConfig (uint8_t OB_IWDG, uint8_t OB_STOP, uint8_t OB_STDBY)
	Programs the FLASH User Option Byte: IWDG_SW / RST_STOP / RST_STDBY.
void	FLASH_OB_BORConfig (uint8_t OB_BOR)
	Sets the BOR Level.
void	FLASH_OB_BootConfig (uint8_t OB_BOOT)
	Configure the Dual Bank Boot.
FLASH_Status	FLASH_OB_Launch (void)
	Launch the option byte loading.
uint8_t	FLASH_OB_GetUser (void)
	Returns the FLASH User Option Bytes values.
uint16_t	FLASH_OB_GetWRP (void)
	Returns the FLASH Write Protection Option Bytes value.
uint16_t	FLASH_OB_GetWRP1 (void)
	Returns the FLASH Write Protection Option Bytes value.
uint16_t	FLASH_OB_GetPCROP (void)
	Returns the FLASH PC Read/Write Protection Option Bytes value.
uint16_t	FLASH_OB_GetPCROP1 (void)
	Returns the FLASH PC Read/Write Protection Option Bytes value.
FlagStatus	FLASH_OB_GetRDP (void)
	Returns the FLASH Read Protection level.
uint8_t	FLASH_OB_GetBOR (void)
	Returns the FLASH BOR level.
void	FLASH_ITConfig (uint32_t FLASH_IT, FunctionalState NewState)
	Enables or disables the specified FLASH interrupts.
FlagStatus	FLASH_GetFlagStatus (uint32_t FLASH_FLAG)
	Checks whether the specified FLASH flag is set or not.
void	FLASH_ClearFlag (uint32_t FLASH_FLAG)
	Clears the FLASH's pending flags.
FLASH_Status	FLASH_GetStatus (void)
	Returns the FLASH Status.
FLASH_Status	FLASH_WaitForLastOperation2 (void)
	Waits for a FLASH operation to complete.

Function Documentation

void FLASH_ClearFlag ( uint32_t FLASH_FLAG )

Clears the FLASH's pending flags.

Parameters:

FLASH_FLAG,:

specifies the FLASH flags to clear. This parameter can be any combination of the following values:

FLASH_FLAG_EOP: FLASH End of Operation flag
FLASH_FLAG_OPERR: FLASH operation Error flag
FLASH_FLAG_WRPERR: FLASH Write protected error flag
FLASH_FLAG_PGAERR: FLASH Programming Alignment error flag
FLASH_FLAG_PGPERR: FLASH Programming Parallelism error flag
FLASH_FLAG_PGSERR: FLASH Programming Sequence error flag
FLASH_FLAG_RDERR: FLASH Read Protection error flag (STM32F42xx/43xxx and STM32F401xx/411xE devices)

Return values:

None

Definition at line 1517 of file stm32f4xx_flash.c.

void FLASH_DataCacheCmd ( FunctionalState NewState )

Enables or disables the Data Cache feature.

Parameters:

NewState,: new state of the Data Cache. This parameter can be: ENABLE or DISABLE.

Return values:

None

Definition at line 335 of file stm32f4xx_flash.c.

void FLASH_DataCacheReset ( void )

Resets the Data Cache.

Note:: This function must be used only when the Data Cache is disabled.

Parameters:

None

Return values:

None

Definition at line 367 of file stm32f4xx_flash.c.

FLASH_Status FLASH_EraseAllBank1Sectors ( uint8_t VoltageRange )

Erases all FLASH Sectors in Bank 1.

Note:: This function can be used only for STM32F42xxx/43xxx devices.; If an erase and a program operations are requested simultaneously, the erase operation is performed before the program one.

Parameters:

VoltageRange,:

The device voltage range which defines the erase parallelism. This parameter can be one of the following values:

VoltageRange_1: when the device voltage range is 1.8V to 2.1V, the operation will be done by byte (8-bit)
VoltageRange_2: when the device voltage range is 2.1V to 2.7V, the operation will be done by half word (16-bit)
VoltageRange_3: when the device voltage range is 2.7V to 3.6V, the operation will be done by word (32-bit)
VoltageRange_4: when the device voltage range is 2.7V to 3.6V + External Vpp, the operation will be done by double word (64-bit)

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 621 of file stm32f4xx_flash.c.

FLASH_Status FLASH_EraseAllBank2Sectors ( uint8_t VoltageRange )

Erases all FLASH Sectors in Bank 2.

Note:: This function can be used only for STM32F42xxx/43xxx devices.; If an erase and a program operations are requested simultaneously, the erase operation is performed before the program one.

Parameters:

VoltageRange,:

The device voltage range which defines the erase parallelism. This parameter can be one of the following values:

VoltageRange_1: when the device voltage range is 1.8V to 2.1V, the operation will be done by byte (8-bit)
VoltageRange_2: when the device voltage range is 2.1V to 2.7V, the operation will be done by half word (16-bit)
VoltageRange_3: when the device voltage range is 2.7V to 3.6V, the operation will be done by word (32-bit)
VoltageRange_4: when the device voltage range is 2.7V to 3.6V + External Vpp, the operation will be done by double word (64-bit)

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 688 of file stm32f4xx_flash.c.

FLASH_Status FLASH_EraseAllSectors ( uint8_t VoltageRange )

Erases all FLASH Sectors.

Note:: If an erase and a program operations are requested simultaneously, the erase operation is performed before the program one.

Parameters:

VoltageRange,:

The device voltage range which defines the erase parallelism. This parameter can be one of the following values:

VoltageRange_1: when the device voltage range is 1.8V to 2.1V, the operation will be done by byte (8-bit)
VoltageRange_2: when the device voltage range is 2.1V to 2.7V, the operation will be done by half word (16-bit)
VoltageRange_3: when the device voltage range is 2.7V to 3.6V, the operation will be done by word (32-bit)
VoltageRange_4: when the device voltage range is 2.7V to 3.6V + External Vpp, the operation will be done by double word (64-bit)

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 540 of file stm32f4xx_flash.c.

FLASH_Status FLASH_EraseSector	(	uint32_t	FLASH_Sector,
		uint8_t	VoltageRange
	)

Erases a specified FLASH Sector.

Note:: If an erase and a program operations are requested simultaneously, the erase operation is performed before the program one.

Parameters:

FLASH_Sector,: The Sector number to be erased.

Note:: For STM32F405xx/407xx and STM32F415xx/417xx devices this parameter can be a value between FLASH_Sector_0 and FLASH_Sector_11.

For STM32F42xxx/43xxx devices this parameter can be a value between FLASH_Sector_0 and FLASH_Sector_23.

For STM32F401xx devices this parameter can be a value between FLASH_Sector_0 and FLASH_Sector_5.

For STM32F411xE and STM32F412xG devices this parameter can be a value between FLASH_Sector_0 and FLASH_Sector_7.

For STM32F410xx devices this parameter can be a value between FLASH_Sector_0 and FLASH_Sector_4.

Parameters:

VoltageRange,:

The device voltage range which defines the erase parallelism. This parameter can be one of the following values:

VoltageRange_1: when the device voltage range is 1.8V to 2.1V, the operation will be done by byte (8-bit)
VoltageRange_2: when the device voltage range is 2.1V to 2.7V, the operation will be done by half word (16-bit)
VoltageRange_3: when the device voltage range is 2.7V to 3.6V, the operation will be done by word (32-bit)
VoltageRange_4: when the device voltage range is 2.7V to 3.6V + External Vpp, the operation will be done by double word (64-bit)

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 472 of file stm32f4xx_flash.c.

FlagStatus FLASH_GetFlagStatus ( uint32_t FLASH_FLAG )

Checks whether the specified FLASH flag is set or not.

Parameters:

FLASH_FLAG,:

specifies the FLASH flag to check. This parameter can be one of the following values:

FLASH_FLAG_EOP: FLASH End of Operation flag
FLASH_FLAG_OPERR: FLASH operation Error flag
FLASH_FLAG_WRPERR: FLASH Write protected error flag
FLASH_FLAG_PGAERR: FLASH Programming Alignment error flag
FLASH_FLAG_PGPERR: FLASH Programming Parallelism error flag
FLASH_FLAG_PGSERR: FLASH Programming Sequence error flag
FLASH_FLAG_RDERR: FLASH (PCROP) Read Protection error flag (STM32F42xx/43xxx and STM32F401xx/411xE devices)
FLASH_FLAG_BSY: FLASH Busy flag

Return values:

The	new state of FLASH_FLAG (SET or RESET).

Definition at line 1486 of file stm32f4xx_flash.c.

FLASH_Status FLASH_GetStatus ( void )

Returns the FLASH Status.

Parameters:

None

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_RD2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 1532 of file stm32f4xx_flash.c.

void FLASH_InstructionCacheCmd ( FunctionalState NewState )

Enables or disables the Instruction Cache feature.

Parameters:

NewState,: new state of the Instruction Cache. This parameter can be: ENABLE or DISABLE.

Return values:

None

Definition at line 314 of file stm32f4xx_flash.c.

void FLASH_InstructionCacheReset ( void )

Resets the Instruction Cache.

Note:: This function must be used only when the Instruction Cache is disabled.

Parameters:

None

Return values:

None

Definition at line 356 of file stm32f4xx_flash.c.

void FLASH_ITConfig	(	uint32_t	FLASH_IT,
		FunctionalState	NewState
	)

Enables or disables the specified FLASH interrupts.

Parameters:

FLASH_IT,:

specifies the FLASH interrupt sources to be enabled or disabled. This parameter can be any combination of the following values:

FLASH_IT_ERR: FLASH Error Interrupt
FLASH_IT_EOP: FLASH end of operation Interrupt

Return values:

None

Definition at line 1454 of file stm32f4xx_flash.c.

void FLASH_Lock ( void )

Locks the FLASH control register access.

Parameters:

None

Return values:

None

Definition at line 429 of file stm32f4xx_flash.c.

void FLASH_OB_BootConfig ( uint8_t OB_BOOT )

Configure the Dual Bank Boot.

Note:: This function can be used only for STM32F42xxx/43xxx devices.

Parameters:

OB_BOOT,:

specifies the Dual Bank Boot Option byte. This parameter can be one of the following values:

OB_Dual_BootEnabled: Dual Bank Boot Enable
OB_Dual_BootDisabled: Dual Bank Boot Disabled

Return values:

None

Definition at line 1278 of file stm32f4xx_flash.c.

void FLASH_OB_BORConfig ( uint8_t OB_BOR )

Sets the BOR Level.

Parameters:

OB_BOR,:

specifies the Option Bytes BOR Reset Level. This parameter can be one of the following values:

OB_BOR_LEVEL3: Supply voltage ranges from 2.7 to 3.6 V
OB_BOR_LEVEL2: Supply voltage ranges from 2.4 to 2.7 V
OB_BOR_LEVEL1: Supply voltage ranges from 2.1 to 2.4 V
OB_BOR_OFF: Supply voltage ranges from 1.62 to 2.1 V

Return values:

None

Definition at line 1299 of file stm32f4xx_flash.c.

uint8_t FLASH_OB_GetBOR ( void )

Returns the FLASH BOR level.

Parameters:

None

Return values:

The	FLASH BOR level: OB_BOR_LEVEL3: Supply voltage ranges from 2.7 to 3.6 V OB_BOR_LEVEL2: Supply voltage ranges from 2.4 to 2.7 V OB_BOR_LEVEL1: Supply voltage ranges from 2.1 to 2.4 V OB_BOR_OFF : Supply voltage ranges from 1.62 to 2.1 V

Definition at line 1425 of file stm32f4xx_flash.c.

uint16_t FLASH_OB_GetPCROP ( void )

Returns the FLASH PC Read/Write Protection Option Bytes value.

Note:: This function can be used only for STM32F42xxx/43xxx devices and STM32F401xx/411xE devices.

Parameters:

None

Return values:

The	FLASH PC Read/Write Protection Option Bytes value

Definition at line 1374 of file stm32f4xx_flash.c.

uint16_t FLASH_OB_GetPCROP1 ( void )

Returns the FLASH PC Read/Write Protection Option Bytes value.

Note:: This function can be used only for STM32F42xxx/43xxx devices.

Parameters:

None

Return values:

The	FLASH PC Read/Write Protection Option Bytes value

Definition at line 1388 of file stm32f4xx_flash.c.

FlagStatus FLASH_OB_GetRDP ( void )

Returns the FLASH Read Protection level.

Parameters:

None

Return values:

FLASH

ReadOut Protection Status:

SET, when OB_RDP_Level_1 or OB_RDP_Level_2 is set
RESET, when OB_RDP_Level_0 is set

Definition at line 1401 of file stm32f4xx_flash.c.

uint8_t FLASH_OB_GetUser ( void )

Returns the FLASH User Option Bytes values.

Parameters:

None

Return values:

The	FLASH User Option Bytes values: IWDG_SW(Bit0), RST_STOP(Bit1) and RST_STDBY(Bit2).

Definition at line 1335 of file stm32f4xx_flash.c.

uint16_t FLASH_OB_GetWRP ( void )

Returns the FLASH Write Protection Option Bytes value.

Parameters:

None

Return values:

The	FLASH Write Protection Option Bytes value

Definition at line 1346 of file stm32f4xx_flash.c.

uint16_t FLASH_OB_GetWRP1 ( void )

Returns the FLASH Write Protection Option Bytes value.

Note:: This function can be used only for STM32F42xxx/43xxx devices.

Parameters:

None

Return values:

The	FLASH Write Protection Option Bytes value

Definition at line 1360 of file stm32f4xx_flash.c.

FLASH_Status FLASH_OB_Launch ( void )

Launch the option byte loading.

Parameters:

None

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 1316 of file stm32f4xx_flash.c.

void FLASH_OB_Lock ( void )

Locks the FLASH Option Control Registers access.

Parameters:

None

Return values:

None

Definition at line 986 of file stm32f4xx_flash.c.

void FLASH_OB_PCROP1Config	(	uint32_t	OB_PCROP,
		FunctionalState	NewState
	)

Enables or disables the read/write protection (PCROP) of the desired sectors.

Note:: This function can be used only for STM32F42xxx/43xxx devices.

Parameters:

OB_PCROP,:

specifies the sector(s) to be read/write protected or unprotected. This parameter can be one of the following values:

OB_PCROP: A value between OB_PCROP_Sector12 and OB_PCROP_Sector23
OB_PCROP_Sector_All

Newstate,: new state of the Write Protection. This parameter can be: ENABLE or DISABLE.

Return values:

None

Definition at line 1169 of file stm32f4xx_flash.c.

void FLASH_OB_PCROPConfig	(	uint32_t	OB_PCROP,
		FunctionalState	NewState
	)

Enables or disables the read/write protection (PCROP) of the desired sectors, for the first 1 MB of the Flash.

Note:: This function can be used only for STM32F42xxx/43xxx , STM32F401xx/411xE and STM32F412xG devices.

Parameters:

OB_PCROP,:

specifies the sector(s) to be read/write protected or unprotected. This parameter can be one of the following values:

OB_PCROP: A value between OB_PCROP_Sector0 and OB_PCROP_Sector11 for STM32F42xxx/43xxx devices and between OB_PCROP_Sector0 and OB_PCROP_Sector5 for STM32F401xx/411xE devices.
OB_PCROP_Sector_All

Newstate,: new state of the Write Protection. This parameter can be: ENABLE or DISABLE.

Return values:

None

Definition at line 1132 of file stm32f4xx_flash.c.

void FLASH_OB_PCROPSelectionConfig ( uint8_t OB_PcROP )

Select the Protection Mode (SPRMOD).

Note:

This function can be used only for STM32F42xxx/43xxx and STM32F401xx/411xE devices.

After PCROP activation, Option Byte modification is not possible. Exception made for the global Read Out Protection modification level (level1 to level0)

Once SPRMOD bit is active unprotection of a protected sector is not possible

Read a protected sector will set RDERR Flag and write a protected sector will set WRPERR Flag

Some Precautions should be taken when activating the PCROP feature : The active value of nWRPi bits is inverted when PCROP mode is active, this means if SPRMOD = 1 and WRPi = 1 (default value), then the user sector i is read/write protected. In order to avoid activation of PCROP Mode for undesired sectors, please follow the below safety sequence :

Disable PCROP for all Sectors using FLASH_OB_PCROPConfig(OB_PCROP_Sector_All, DISABLE) function for Bank1 or FLASH_OB_PCROP1Config(OB_PCROP_Sector_All, DISABLE) function for Bank2
Enable PCROP for the desired Sector i using FLASH_OB_PCROPConfig(Sector i, ENABLE) function
Activate the PCROP Mode FLASH_OB_PCROPSelectionConfig() function.

Parameters:

OB_PCROP,:

Select the Protection Mode of nWPRi bits This parameter can be one of the following values:

OB_PcROP_Disable: nWRPi control the write protection of respective user sectors.
OB_PcROP_Enable: nWRPi control the read&write protection (PCROP) of respective user sectors.

Return values:

None

Definition at line 1101 of file stm32f4xx_flash.c.

void FLASH_OB_RDPConfig ( uint8_t OB_RDP )

Sets the read protection level.

Parameters:

OB_RDP,:

specifies the read protection level. This parameter can be one of the following values:

OB_RDP_Level_0: No protection
OB_RDP_Level_1: Read protection of the memory
OB_RDP_Level_2: Full chip protection

/!\ Warning /!\ When enabling OB_RDP level 2 it's no more possible to go back to level 1 or 0

Return values:

None

Definition at line 1205 of file stm32f4xx_flash.c.

void FLASH_OB_Unlock ( void )

Unlocks the FLASH Option Control Registers access.

Parameters:

None

Return values:

None

Definition at line 971 of file stm32f4xx_flash.c.

void FLASH_OB_UserConfig	(	uint8_t	OB_IWDG,
		uint8_t	OB_STOP,
		uint8_t	OB_STDBY
	)

Programs the FLASH User Option Byte: IWDG_SW / RST_STOP / RST_STDBY.

Parameters:

OB_IWDG,:

Selects the IWDG mode This parameter can be one of the following values:

OB_IWDG_SW: Software IWDG selected
OB_IWDG_HW: Hardware IWDG selected

OB_STOP,:

Reset event when entering STOP mode. This parameter can be one of the following values:

OB_STOP_NoRST: No reset generated when entering in STOP
OB_STOP_RST: Reset generated when entering in STOP

OB_STDBY,:

Reset event when entering Standby mode. This parameter can be one of the following values:

OB_STDBY_NoRST: No reset generated when entering in STANDBY
OB_STDBY_RST: Reset generated when entering in STANDBY

Return values:

None

Definition at line 1237 of file stm32f4xx_flash.c.

void FLASH_OB_WRP1Config	(	uint32_t	OB_WRP,
		FunctionalState	NewState
	)

Enables or disables the write protection of the desired sectors, for the second 1 Mb of the Flash.

Note:: This function can be used only for STM32F42xxx/43xxx devices.; When the memory read out protection is selected (RDP level = 1), it is not possible to program or erase the flash sector i if CortexM4 debug features are connected or boot code is executed in RAM, even if nWRPi = 1; Active value of nWRPi bits is inverted when PCROP mode is active (SPRMOD =1).

Parameters:

OB_WRP,:

specifies the sector(s) to be write protected or unprotected. This parameter can be one of the following values:

OB_WRP: A value between OB_WRP_Sector12 and OB_WRP_Sector23
OB_WRP_Sector_All

Newstate,: new state of the Write Protection. This parameter can be: ENABLE or DISABLE.

Return values:

None

Definition at line 1051 of file stm32f4xx_flash.c.

void FLASH_OB_WRPConfig	(	uint32_t	OB_WRP,
		FunctionalState	NewState
	)

Enables or disables the write protection of the desired sectors, for the first 1 Mb of the Flash.

Note:: When the memory read protection level is selected (RDP level = 1), it is not possible to program or erase the flash sector i if CortexM4 debug features are connected or boot code is executed in RAM, even if nWRPi = 1; Active value of nWRPi bits is inverted when PCROP mode is active (SPRMOD =1).

Parameters:

OB_WRP,:

specifies the sector(s) to be write protected or unprotected. This parameter can be one of the following values:

OB_WRP: A value between OB_WRP_Sector0 and OB_WRP_Sector11
OB_WRP_Sector_All

Newstate,: new state of the Write Protection. This parameter can be: ENABLE or DISABLE.

Return values:

None

Definition at line 1009 of file stm32f4xx_flash.c.

void FLASH_PrefetchBufferCmd ( FunctionalState NewState )

Enables or disables the Prefetch Buffer.

Parameters:

NewState,: new state of the Prefetch Buffer. This parameter can be: ENABLE or DISABLE.

Return values:

None

Definition at line 292 of file stm32f4xx_flash.c.

FLASH_Status FLASH_ProgramByte	(	uint32_t	Address,
		uint8_t	Data
	)

Programs a byte (8-bit) at a specified address.

Note:: This function can be used within all the device supply voltage ranges.; If an erase and a program operations are requested simultaneously, the erase operation is performed before the program one.

Parameters:

Address,:	specifies the address to be programmed. This parameter can be any address in Program memory zone or in OTP zone.
Data,:	specifies the data to be programmed.

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 872 of file stm32f4xx_flash.c.

FLASH_Status FLASH_ProgramDoubleWord	(	uint32_t	Address,
		uint64_t	Data
	)

Programs a double word (64-bit) at a specified address.

Note:: This function must be used when the device voltage range is from 2.7V to 3.6V and an External Vpp is present.; If an erase and a program operations are requested simultaneously, the erase operation is performed before the program one.

Parameters:

Address,:	specifies the address to be programmed.
Data,:	specifies the data to be programmed.

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 745 of file stm32f4xx_flash.c.

FLASH_Status FLASH_ProgramHalfWord	(	uint32_t	Address,
		uint16_t	Data
	)

Programs a half word (16-bit) at a specified address.

Note:: This function must be used when the device voltage range is from 2.1V to 3.6V.; If an erase and a program operations are requested simultaneously, the erase operation is performed before the program one.

Parameters:

Address,:	specifies the address to be programmed. This parameter can be any address in Program memory zone or in OTP zone.
Data,:	specifies the data to be programmed.

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 830 of file stm32f4xx_flash.c.

FLASH_Status FLASH_ProgramWord	(	uint32_t	Address,
		uint32_t	Data
	)

Programs a word (32-bit) at a specified address.

Note:: This function must be used when the device voltage range is from 2.7V to 3.6V.; If an erase and a program operations are requested simultaneously, the erase operation is performed before the program one.

Parameters:

Address,:	specifies the address to be programmed. This parameter can be any address in Program memory zone or in OTP zone.
Data,:	specifies the data to be programmed.

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 788 of file stm32f4xx_flash.c.

void FLASH_SetLatency ( uint32_t FLASH_Latency )

Sets the code latency value.

Parameters:

FLASH_Latency,:

specifies the FLASH Latency value. This parameter can be one of the following values:

FLASH_Latency_0: FLASH Zero Latency cycle
FLASH_Latency_1: FLASH One Latency cycle
FLASH_Latency_2: FLASH Two Latency cycles
FLASH_Latency_3: FLASH Three Latency cycles
FLASH_Latency_4: FLASH Four Latency cycles
FLASH_Latency_5: FLASH Five Latency cycles
FLASH_Latency_6: FLASH Six Latency cycles
FLASH_Latency_7: FLASH Seven Latency cycles
FLASH_Latency_8: FLASH Eight Latency cycles
FLASH_Latency_9: FLASH Nine Latency cycles
FLASH_Latency_10: FLASH Teen Latency cycles
FLASH_Latency_11: FLASH Eleven Latency cycles
FLASH_Latency_12: FLASH Twelve Latency cycles
FLASH_Latency_13: FLASH Thirteen Latency cycles
FLASH_Latency_14: FLASH Fourteen Latency cycles
FLASH_Latency_15: FLASH Fifteen Latency cycles

Note:: For STM32F405xx/407xx, STM32F415xx/417xx, STM32F401xx/411xE and STM32F412xG devices this parameter can be a value between FLASH_Latency_0 and FLASH_Latency_7.; For STM32F42xxx/43xxx devices this parameter can be a value between FLASH_Latency_0 and FLASH_Latency_15.

Return values:

None

Definition at line 277 of file stm32f4xx_flash.c.

void FLASH_Unlock ( void )

Unlocks the FLASH control register access.

Parameters:

None

Return values:

None

Definition at line 414 of file stm32f4xx_flash.c.

FLASH_Status FLASH_WaitForLastOperation2 ( void )

Waits for a FLASH operation to complete.

Parameters:

None

Return values:

FLASH Status: The returned value can be: FLASH_BUSY2, FLASH_ERROR_PROGRAM2, FLASH_ERROR_WRP2, FLASH_ERROR_OPERATION2 or FLASH_COMPLETE2.

Definition at line 1582 of file stm32f4xx_flash.c.

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	23 Apr 2016
Imports:	39
Forks:	2
Commits:	253
Dependents:	0
Dependencies:	2
Followers:	3

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