UM1635 datasheet(14/42 Pages) STMICROELECTRONICS

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API specification

UM1635

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DocID024604 Rev 2

Arguments

Return values

Troubleshooting

Table 12. 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 13. 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 14. 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 C90FL2 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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