UM1634 datasheet(20/43 Pages) STMICROELECTRONICS

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API specification

UM1634

20/43

DocID024601 Rev 3

Return values

Comments

The contents pointed by pFailLoc, pFailData and pFailSource are updated only when there

is a mismatch between the source and destination regions.

Assumptions

It assumes that the Flash block is initialized using a ‘FlashInit()’ API.

Size

Size, in byte, of the Flash

region to verify.

If size = 0, C90FL_OK is returned. Its combination

with dest should fall within either main array or

shadow row.

Source

Verify source buffer address. This address must reside on word boundary.

pFailAddress

Return first failing address in

Flash.

Only valid when the function returns

C90FL_ERROR_VERIFY.

pFailData

Returns first mismatch data

in Flash.

Only valid when this function returns

C90FL_ERROR_VERIFY.

pFailSource

Returns first mismatch data

in buffer.

Only valid when this function returns

C90FL_ERROR_VERIFY.

CallBack

Address of void call back

function pointer.

Any addressable void function address. To disable it

use NULL_CALLBACK macro.

Table 18. Return values for ProgramVerify()

Return Values

Possible Causes

Solution

C90FL_ERROR_ALIGNMENT

This error indicates that

dest/size/source isn

‟t properly

aligned

Check if dest and size are

aligned on double word (64-bit)

boundary. Check if source is

aligned on word boundary

C90FL_ERROR_RANGE

The area specified by dest and

size is out of the valid C90FL

address range.

Check dest and dest+size, both

should fall in the same C90FL

address ranges, i.e. both in main

array or both in shadow row

C90FL_ERROR_VERIFY

The content in C90FL and

source data mismatch.

Check the correct source and

destination addresses, erase the

block and reprogram data into

flash.

C90FL_OK

Successful completion

Table 17. Arguments for ProgramVerify() (continued)

Argument

Description

Range

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