Overview

Modules
	ftfx utilities

Data Structures
struct	ftfx_spec_mem_t
	ftfx special memory access information. More...

struct	ftfx_mem_desc_t
	Flash memory descriptor. More...

struct	ftfx_ops_config_t
	Active FTFx information for the current operation. More...

struct	ftfx_ifr_desc_t
	Flash IFR memory descriptor. More...

struct	ftfx_config_t
	Flash driver state information. More...

Enumerations
enum	ftfx_partition_flexram_load_opt_t { kFTFx_PartitionFlexramLoadOptLoadedWithValidEepromData, kFTFx_PartitionFlexramLoadOptNotLoaded = 0x01U }
	Enumeration for the FlexRAM load during reset option. More...

enum	ftfx_read_resource_opt_t { kFTFx_ResourceOptionFlashIfr, kFTFx_ResourceOptionVersionId = 0x01U }
	Enumeration for the two possible options of flash read resource command. More...

enum	ftfx_margin_value_t { kFTFx_MarginValueNormal, kFTFx_MarginValueUser, kFTFx_MarginValueFactory, kFTFx_MarginValueInvalid }
	Enumeration for supported FTFx margin levels. More...

enum	ftfx_security_state_t { kFTFx_SecurityStateNotSecure = (int)0xc33cc33cu, kFTFx_SecurityStateBackdoorEnabled = (int)0x5aa55aa5u, kFTFx_SecurityStateBackdoorDisabled = (int)0x5ac33ca5u }
	Enumeration for the three possible FTFx security states. More...

enum	ftfx_flexram_func_opt_t { kFTFx_FlexramFuncOptAvailableAsRam = 0xFFU, kFTFx_FlexramFuncOptAvailableForEeprom = 0x00U }
	Enumeration for the two possilbe options of set FlexRAM function command. More...

enum	_flash_acceleration_ram_property
	Enumeration for acceleration ram property.

enum	ftfx_swap_state_t { kFTFx_SwapStateUninitialized = 0x00U, kFTFx_SwapStateReady = 0x01U, kFTFx_SwapStateUpdate = 0x02U, kFTFx_SwapStateUpdateErased = 0x03U, kFTFx_SwapStateComplete = 0x04U, kFTFx_SwapStateDisabled = 0x05U }
	Enumeration for the possible flash Swap status. More...

enum	_ftfx_memory_type
	Enumeration for FTFx memory type.

FTFx status
enum	{ kStatus_FTFx_Success = MAKE_STATUS(kStatusGroupGeneric, 0), kStatus_FTFx_InvalidArgument = MAKE_STATUS(kStatusGroupGeneric, 4), kStatus_FTFx_SizeError = MAKE_STATUS(kStatusGroupFtfxDriver, 0), kStatus_FTFx_AlignmentError, kStatus_FTFx_AddressError = MAKE_STATUS(kStatusGroupFtfxDriver, 2), kStatus_FTFx_AccessError, kStatus_FTFx_ProtectionViolation, kStatus_FTFx_CommandFailure, kStatus_FTFx_UnknownProperty = MAKE_STATUS(kStatusGroupFtfxDriver, 6), kStatus_FTFx_EraseKeyError = MAKE_STATUS(kStatusGroupFtfxDriver, 7), kStatus_FTFx_RegionExecuteOnly = MAKE_STATUS(kStatusGroupFtfxDriver, 8), kStatus_FTFx_ExecuteInRamFunctionNotReady, kStatus_FTFx_PartitionStatusUpdateFailure, kStatus_FTFx_SetFlexramAsEepromError, kStatus_FTFx_RecoverFlexramAsRamError, kStatus_FTFx_SetFlexramAsRamError = MAKE_STATUS(kStatusGroupFtfxDriver, 13), kStatus_FTFx_RecoverFlexramAsEepromError, kStatus_FTFx_CommandNotSupported = MAKE_STATUS(kStatusGroupFtfxDriver, 15), kStatus_FTFx_SwapSystemNotInUninitialized, kStatus_FTFx_SwapIndicatorAddressError, kStatus_FTFx_ReadOnlyProperty = MAKE_STATUS(kStatusGroupFtfxDriver, 18), kStatus_FTFx_InvalidPropertyValue, kStatus_FTFx_InvalidSpeculationOption, kStatus_FTFx_CommandOperationInProgress }
	FTFx driver status codes. More...

#define	kStatusGroupGeneric 0
	FTFx driver status group. More...

#define	kStatusGroupFtfxDriver 1

FTFx API key
enum	_ftfx_driver_api_keys { kFTFx_ApiEraseKey = FOUR_CHAR_CODE('k', 'f', 'e', 'k') }
	Enumeration for FTFx driver API keys. More...

Initialization
void	FTFx_API_Init (ftfx_config_t *config)
	Initializes the global flash properties structure members. More...

Erasing
status_t	FTFx_CMD_Erase (ftfx_config_t *config, uint32_t start, uint32_t lengthInBytes, uint32_t key)
	Erases the flash sectors encompassed by parameters passed into function. More...

status_t	FTFx_CMD_EraseSectorNonBlocking (ftfx_config_t *config, uint32_t start, uint32_t key)
	Erases the flash sectors encompassed by parameters passed into function. More...

status_t	FTFx_CMD_EraseAll (ftfx_config_t *config, uint32_t key)
	Erases entire flash. More...

status_t	FTFx_CMD_EraseAllExecuteOnlySegments (ftfx_config_t *config, uint32_t key)
	Erases all program flash execute-only segments defined by the FXACC registers. More...

Programming
status_t	FTFx_CMD_Program (ftfx_config_t config, uint32_t start, const uint8_t src, uint32_t lengthInBytes)
	Programs flash with data at locations passed in through parameters. More...

status_t	FTFx_CMD_ProgramOnce (ftfx_config_t config, uint32_t index, const uint8_t src, uint32_t lengthInBytes)
	Programs Program Once Field through parameters. More...

Reading
status_t	FTFx_CMD_ReadOnce (ftfx_config_t config, uint32_t index, uint8_t dst, uint32_t lengthInBytes)
	Reads the Program Once Field through parameters. More...

status_t	FTFx_CMD_ReadResource (ftfx_config_t config, uint32_t start, uint8_t dst, uint32_t lengthInBytes, ftfx_read_resource_opt_t option)
	Reads the resource with data at locations passed in through parameters. More...

Verification
status_t	FTFx_CMD_VerifyErase (ftfx_config_t *config, uint32_t start, uint32_t lengthInBytes, ftfx_margin_value_t margin)
	Verifies an erasure of the desired flash area at a specified margin level. More...

status_t	FTFx_CMD_VerifyEraseAll (ftfx_config_t *config, ftfx_margin_value_t margin)
	Verifies erasure of the entire flash at a specified margin level. More...

status_t	FTFx_CMD_VerifyEraseAllExecuteOnlySegments (ftfx_config_t *config, ftfx_margin_value_t margin)
	Verifies whether the program flash execute-only segments have been erased to the specified read margin level. More...

status_t	FTFx_CMD_VerifyProgram (ftfx_config_t config, uint32_t start, uint32_t lengthInBytes, const uint8_t expectedData, ftfx_margin_value_t margin, uint32_t failedAddress, uint32_t failedData)
	Verifies programming of the desired flash area at a specified margin level. More...

Security
status_t	FTFx_REG_GetSecurityState (ftfx_config_t config, ftfx_security_state_t state)
	Returns the security state via the pointer passed into the function. More...

status_t	FTFx_CMD_SecurityBypass (ftfx_config_t config, const uint8_t backdoorKey)
	Allows users to bypass security with a backdoor key. More...

Data Structure Documentation

struct ftfx_spec_mem_t

Data Fields
uint32_t	base
	Base address of flash special memory. More...

uint32_t	size
	size of flash special memory. More...

uint32_t	count
	flash special memory count. More...

Field Documentation

uint32_t ftfx_spec_mem_t::base

uint32_t ftfx_spec_mem_t::size

uint32_t ftfx_spec_mem_t::count

struct ftfx_mem_desc_t

Data Fields
uint32_t	blockBase
	A base address of the flash block.

uint32_t	totalSize
	The size of the flash block. More...

uint32_t	sectorSize
	The size in bytes of a sector of flash. More...

uint32_t	blockCount
	A number of flash blocks. More...

uint8_t	type
	Type of flash block. More...

uint8_t	index
	Index of flash block. More...

Field Documentation

uint8_t ftfx_mem_desc_t::type

uint8_t ftfx_mem_desc_t::index

uint32_t ftfx_mem_desc_t::totalSize

uint32_t ftfx_mem_desc_t::sectorSize

uint32_t ftfx_mem_desc_t::blockCount

struct ftfx_ops_config_t

Data Fields
uint32_t	convertedAddress
	A converted address for the current flash type. More...

Field Documentation

uint32_t ftfx_ops_config_t::convertedAddress

struct ftfx_ifr_desc_t

struct ftfx_config_t

An instance of this structure is allocated by the user of the flash driver and passed into each of the driver APIs.

Data Fields
uint32_t	flexramBlockBase
	The base address of the FlexRAM/acceleration RAM.

uint32_t	flexramTotalSize
	The size of the FlexRAM/acceleration RAM.

uint16_t	eepromTotalSize
	The size of EEPROM area which was partitioned from FlexRAM.

function_ptr_t	runCmdFuncAddr
	An buffer point to the flash execute-in-RAM function. More...

Field Documentation

function_ptr_t ftfx_config_t::runCmdFuncAddr

Macro Definition Documentation

#define kStatusGroupGeneric 0

Enumeration Type Documentation

anonymous enum

Enumerator
kStatus_FTFx_Success	API is executed successfully.
kStatus_FTFx_InvalidArgument	Invalid argument.
kStatus_FTFx_SizeError	Error size.
kStatus_FTFx_AlignmentError	Parameter is not aligned with the specified baseline.
kStatus_FTFx_AddressError	Address is out of range.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bound addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during command execution.
kStatus_FTFx_UnknownProperty	Unknown property.
kStatus_FTFx_EraseKeyError	API erase key is invalid.
kStatus_FTFx_RegionExecuteOnly	The current region is execute-only.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_PartitionStatusUpdateFailure	Failed to update partition status.
kStatus_FTFx_SetFlexramAsEepromError	Failed to set FlexRAM as EEPROM.
kStatus_FTFx_RecoverFlexramAsRamError	Failed to recover FlexRAM as RAM.
kStatus_FTFx_SetFlexramAsRamError	Failed to set FlexRAM as RAM.
kStatus_FTFx_RecoverFlexramAsEepromError	Failed to recover FlexRAM as EEPROM.
kStatus_FTFx_CommandNotSupported	Flash API is not supported.
kStatus_FTFx_SwapSystemNotInUninitialized	Swap system is not in an uninitialzed state.
kStatus_FTFx_SwapIndicatorAddressError	The swap indicator address is invalid.
kStatus_FTFx_ReadOnlyProperty	The flash property is read-only.
kStatus_FTFx_InvalidPropertyValue	The flash property value is out of range.
kStatus_FTFx_InvalidSpeculationOption	The option of flash prefetch speculation is invalid.
kStatus_FTFx_CommandOperationInProgress	The option of flash command is processing.

enum _ftfx_driver_api_keys

Note: The resulting value is built with a byte order such that the string being readable in expected order when viewed in a hex editor, if the value is treated as a 32-bit little endian value.

Enumerator
kFTFx_ApiEraseKey	Key value used to validate all FTFx erase APIs.

enum ftfx_partition_flexram_load_opt_t

Enumerator
kFTFx_PartitionFlexramLoadOptLoadedWithValidEepromData	FlexRAM is loaded with valid EEPROM data during reset sequence.
kFTFx_PartitionFlexramLoadOptNotLoaded	FlexRAM is not loaded during reset sequence.

enum ftfx_read_resource_opt_t

Enumerator
kFTFx_ResourceOptionFlashIfr	Select code for Program flash 0 IFR, Program flash swap 0 IFR, Data flash 0 IFR.
kFTFx_ResourceOptionVersionId	Select code for the version ID.

enum ftfx_margin_value_t

Enumerator
kFTFx_MarginValueNormal	Use the 'normal' read level for 1s.
kFTFx_MarginValueUser	Apply the 'User' margin to the normal read-1 level.
kFTFx_MarginValueFactory	Apply the 'Factory' margin to the normal read-1 level.
kFTFx_MarginValueInvalid	Not real margin level, Used to determine the range of valid margin level.

enum ftfx_security_state_t

Enumerator
kFTFx_SecurityStateNotSecure	Flash is not secure.
kFTFx_SecurityStateBackdoorEnabled	Flash backdoor is enabled.
kFTFx_SecurityStateBackdoorDisabled	Flash backdoor is disabled.

enum ftfx_flexram_func_opt_t

Enumerator
kFTFx_FlexramFuncOptAvailableAsRam	An option used to make FlexRAM available as RAM.
kFTFx_FlexramFuncOptAvailableForEeprom	An option used to make FlexRAM available for EEPROM.

enum ftfx_swap_state_t

Enumerator
kFTFx_SwapStateUninitialized	Flash Swap system is in an uninitialized state.
kFTFx_SwapStateReady	Flash Swap system is in a ready state.
kFTFx_SwapStateUpdate	Flash Swap system is in an update state.
kFTFx_SwapStateUpdateErased	Flash Swap system is in an updateErased state.
kFTFx_SwapStateComplete	Flash Swap system is in a complete state.
kFTFx_SwapStateDisabled	Flash Swap system is in a disabled state.

Function Documentation

void FTFx_API_Init ( ftfx_config_t * config )

This function checks and initializes the Flash module for the other Flash APIs.

Parameters

config Pointer to the storage for the driver runtime state.

status_t FTFx_CMD_Erase	(	ftfx_config_t *	config,
		uint32_t	start,
		uint32_t	lengthInBytes,
		uint32_t	key
	)

This function erases the appropriate number of flash sectors based on the desired start address and length.

Parameters

config	The pointer to the storage for the driver runtime state.
start	The start address of the desired flash memory to be erased. The start address does not need to be sector-aligned but must be word-aligned.
lengthInBytes	The length, given in bytes (not words or long-words) to be erased. Must be word-aligned.
key	The value used to validate all flash erase APIs.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_AlignmentError	The parameter is not aligned with the specified baseline.
kStatus_FTFx_AddressError	The address is out of range.
kStatus_FTFx_EraseKeyError	The API erase key is invalid.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

status_t FTFx_CMD_EraseSectorNonBlocking	(	ftfx_config_t *	config,
		uint32_t	start,
		uint32_t	key
	)

This function erases one flash sector size based on the start address.

Parameters

config	The pointer to the storage for the driver runtime state.
start	The start address of the desired flash memory to be erased. The start address does not need to be sector-aligned but must be word-aligned.
key	The value used to validate all flash erase APIs.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_AlignmentError	The parameter is not aligned with the specified baseline.
kStatus_FTFx_AddressError	The address is out of range.
kStatus_FTFx_EraseKeyError	The API erase key is invalid.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.

status_t FTFx_CMD_EraseAll	(	ftfx_config_t *	config,
		uint32_t	key
	)

Parameters

config	Pointer to the storage for the driver runtime state.
key	A value used to validate all flash erase APIs.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_EraseKeyError	API erase key is invalid.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during command execution.
kStatus_FTFx_PartitionStatusUpdateFailure	Failed to update the partition status.

status_t FTFx_CMD_EraseAllExecuteOnlySegments	(	ftfx_config_t *	config,
		uint32_t	key
	)

Parameters

config	Pointer to the storage for the driver runtime state.
key	A value used to validate all flash erase APIs.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_EraseKeyError	API erase key is invalid.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

status_t FTFx_CMD_Program	(	ftfx_config_t *	config,
		uint32_t	start,
		const uint8_t *	src,
		uint32_t	lengthInBytes
	)

This function programs the flash memory with the desired data for a given flash area as determined by the start address and the length.

Parameters

config	A pointer to the storage for the driver runtime state.
start	The start address of the desired flash memory to be programmed. Must be word-aligned.
src	A pointer to the source buffer of data that is to be programmed into the flash.
lengthInBytes	The length, given in bytes (not words or long-words), to be programmed. Must be word-aligned.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_AlignmentError	Parameter is not aligned with the specified baseline.
kStatus_FTFx_AddressError	Address is out of range.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

status_t FTFx_CMD_ProgramOnce	(	ftfx_config_t *	config,
		uint32_t	index,
		const uint8_t *	src,
		uint32_t	lengthInBytes
	)

This function programs the Program Once Field with the desired data for a given flash area as determined by the index and length.

Parameters

config	A pointer to the storage for the driver runtime state.
index	The index indicating which area of the Program Once Field to be programmed.
src	A pointer to the source buffer of data that is to be programmed into the Program Once Field.
lengthInBytes	The length, given in bytes (not words or long-words), to be programmed. Must be word-aligned.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

status_t FTFx_CMD_ReadOnce	(	ftfx_config_t *	config,
		uint32_t	index,
		uint8_t *	dst,
		uint32_t	lengthInBytes
	)

This function reads the read once feild with given index and length.

Parameters

config	A pointer to the storage for the driver runtime state.
index	The index indicating the area of program once field to be read.
dst	A pointer to the destination buffer of data that is used to store data to be read.
lengthInBytes	The length, given in bytes (not words or long-words), to be programmed. Must be word-aligned.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

status_t FTFx_CMD_ReadResource	(	ftfx_config_t *	config,
		uint32_t	start,
		uint8_t *	dst,
		uint32_t	lengthInBytes,
		ftfx_read_resource_opt_t	option
	)

This function reads the flash memory with the desired location for a given flash area as determined by the start address and length.

Parameters

config	A pointer to the storage for the driver runtime state.
start	The start address of the desired flash memory to be programmed. Must be word-aligned.
dst	A pointer to the destination buffer of data that is used to store data to be read.
lengthInBytes	The length, given in bytes (not words or long-words), to be read. Must be word-aligned.
option	The resource option which indicates which area should be read back.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_AlignmentError	Parameter is not aligned with the specified baseline.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

status_t FTFx_CMD_VerifyErase	(	ftfx_config_t *	config,
		uint32_t	start,
		uint32_t	lengthInBytes,
		ftfx_margin_value_t	margin
	)

This function checks the appropriate number of flash sectors based on the desired start address and length to check whether the flash is erased to the specified read margin level.

Parameters

config	A pointer to the storage for the driver runtime state.
start	The start address of the desired flash memory to be verified. The start address does not need to be sector-aligned but must be word-aligned.
lengthInBytes	The length, given in bytes (not words or long-words), to be verified. Must be word-aligned.
margin	Read margin choice.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_AlignmentError	Parameter is not aligned with specified baseline.
kStatus_FTFx_AddressError	Address is out of range.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

status_t FTFx_CMD_VerifyEraseAll	(	ftfx_config_t *	config,
		ftfx_margin_value_t	margin
	)

This function checks whether the flash is erased to the specified read margin level.

Parameters

config	A pointer to the storage for the driver runtime state.
margin	Read margin choice.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

status_t FTFx_CMD_VerifyEraseAllExecuteOnlySegments	(	ftfx_config_t *	config,
		ftfx_margin_value_t	margin
	)

Parameters

config	A pointer to the storage for the driver runtime state.
margin	Read margin choice.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

status_t FTFx_CMD_VerifyProgram	(	ftfx_config_t *	config,
		uint32_t	start,
		uint32_t	lengthInBytes,
		const uint8_t *	expectedData,
		ftfx_margin_value_t	margin,
		uint32_t *	failedAddress,
		uint32_t *	failedData
	)

This function verifies the data programed in the flash memory using the Flash Program Check Command and compares it to the expected data for a given flash area as determined by the start address and length.

Parameters

config	A pointer to the storage for the driver runtime state.
start	The start address of the desired flash memory to be verified. Must be word-aligned.
lengthInBytes	The length, given in bytes (not words or long-words), to be verified. Must be word-aligned.
expectedData	A pointer to the expected data that is to be verified against.
margin	Read margin choice.
failedAddress	A pointer to the returned failing address.
failedData	A pointer to the returned failing data. Some derivatives do not include failed data as part of the FCCOBx registers. In this case, zeros are returned upon failure.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_AlignmentError	Parameter is not aligned with specified baseline.
kStatus_FTFx_AddressError	Address is out of range.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

status_t FTFx_REG_GetSecurityState	(	ftfx_config_t *	config,
		ftfx_security_state_t *	state
	)

This function retrieves the current flash security status, including the security enabling state and the backdoor key enabling state.

Parameters

config	A pointer to storage for the driver runtime state.
state	A pointer to the value returned for the current security status code:

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.

status_t FTFx_CMD_SecurityBypass	(	ftfx_config_t *	config,
		const uint8_t *	backdoorKey
	)

If the MCU is in secured state, this function unsecures the MCU by comparing the provided backdoor key with ones in the flash configuration field.

Parameters

config	A pointer to the storage for the driver runtime state.
backdoorKey	A pointer to the user buffer containing the backdoor key.

Return values

kStatus_FTFx_Success	API was executed successfully.
kStatus_FTFx_InvalidArgument	An invalid argument is provided.
kStatus_FTFx_ExecuteInRamFunctionNotReady	Execute-in-RAM function is not available.
kStatus_FTFx_AccessError	Invalid instruction codes and out-of bounds addresses.
kStatus_FTFx_ProtectionViolation	The program/erase operation is requested to execute on protected areas.
kStatus_FTFx_CommandFailure	Run-time error during the command execution.

Overview

Modules

Data Structures

Enumerations

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