UM1635 datasheet(30/42 Pages) STMICROELECTRONICS

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API specification

UM1635

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DocID024604 Rev 2

Arguments

Return values

Table 45. Arguments for FlashArrayIntegrityCheck()

Argument

Description

Range

pSSDConfig

Pointer to the SSD

Configuration Structure.

The values in this structure are chip-dependent. Please refer

to Section 2.3 for more details.

lowEnabledBlocks

To select the array blocks in

low address space for

erasing.

Bit-mapped value. Select the block in the low address space

whose array integrity is to be evaluated by setting 1 to the

appropriate bit of lowEnabledBlocks. If there is not any block

to be evaluated in the low address space, lowEnabledBlocks

must be set to 0.

midEnabledBlocks

To select the array blocks in

mid address space for

erasing.

Bit-mapped value. Select the block in the middle address

space whose array integrity is to be evaluated by setting 1 to

the appropriate bit of midEnabledBlocks. If there is not any

block to be evaluated in the middle address space,

midEnabledBlocks must be set to 0.

highEnabledBlocks

To select the array blocks in

high address space for

erasing.

Bit-mapped value. Select the block in the high address space

whose array integrity is to be evaluated by setting 1 to the

appropriate bit of highEnabledBlocks. If there is not any block

to be evaluated in the high address space, highEnabledBlocks

must be set to 0.

addrSeq

To determine the address

sequence to be used during

array integrity checks.

The default sequence (addrSeq = 0 (C90FL_ABF_SEQ)) is

meant to replicate sequences normal “user” code follows, and

thoroughly check the read propagation paths. This sequence

is proprietary.

The alternative sequence (addrSeq = 1 (C90FL_LOG_SEQ))

is just logically sequential.

It should be noted that the time to run a sequential sequence

is significantly shorter than the time to run the proprietary

sequence.

misrValue

A structure variable

containing the MISR values

calculated by the user using

the offline MISR generation

tool.

The individual MISR words can range from 0x00000000 -

0xFFFFFFFF

CallBack

Address of void call back

function pointer.

Any addressable void function address. To disable it use

NULL_CALLBACK macro.

Table 46. Return values for FlashArrayIntegrityCheck()

Type

Description

Possible values

UINT32

Successful completion or error value.

C90FL_OK

C90FL_ERROR_AIC_MISMATCH

C90FL_ERROR_AIC_NO_BLOCK

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