UM1627 datasheet(13/38 Pages) STMICROELECTRONICS

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UM1627

API specification

Arguments

Return values

Troubleshooting

Table 13. Arguments for BlankCheck()

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.

dest

Destination address to be

checked.

Any accessible address aligned on double word

boundary in main array or shadow row

size

Size, in bytes, of the Flash

region to check.

If size = 0, the return value is C90FL_OK.

It should be multiple of 8 and its combination with

dest should fall in either main array or shadow row.

pFailAddress

Return the address of the first

non-blank Flash location in

the checking region

Only valid when this function returns

C90FL_ERROR_NOT_BLANK.

pFailData

Return the content of the first

non-blank Flash location in

the checking region.

Only valid when this function returns

C90FL_ERROR_NOT_BLANK.

CallBack

Address of void callback

function

Any addressable void function address. To disable

it use NULL_CALLBACK macro.

Table 14. Return values for BlankCheck()

Type

Description

Possible values

UINT32

Successful completion or error value.

C90FL_OK

C90FL_ERROR_ALIGNMENT

C90FL_ERROR_RANGE

C90FL_ERROR_NOT_BLANK

Table 15. Troubleshooting for BlankCheck()

Returned error bits

Description

Solution

C90FL_ERROR_ALIGNMENT

The dest/size are not

properly aligned.

Check if dest and size are aligned on

double word (64-bit) boundary.

C90FL_ERROR_RANGE

The area specified by dest

and size is out of the valid

C90LC array ranges.

Check dest and dest+size. The area

to be checked must be within main

array space or shadow space.

C90FL_ERROR_NOT_BLANK

There is a non-blank

double word within the

area to be checked.

Erase the relevant blocks and check

again.

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