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Clarify on page alignment handling #452

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Clarify on page alignment handling #452

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Clarify on page alignment handling
LienNguyen2910 Aug 31, 2022
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Merge branch 'main' into LienNguyen2910-patch-1
Skptak Oct 19, 2023
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5 changes: 4 additions & 1 deletion source/include/ota_platform_interface.h
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Original file line number Diff line number Diff line change
Expand Up @@ -190,7 +190,10 @@ typedef OtaPalStatus_t (* OtaPalCreateFileForRx_t)( OtaFileContext_t * const pFi
typedef OtaPalStatus_t ( * OtaPalCloseFile_t )( OtaFileContext_t * const pFileContext );

/**
* @brief Write a block of data to the specified file at the given offset.
* @brief Write a block of data to the specified file at the given offset.

* All data blocks passed from OTA agent have the same size which must be configured in the parameter otaconfigLOG2_FILE_BLOCK_SIZE in ota_config.h. Except the last block which may be less than this configured block size.
* The parameter must be configured in such a way that the block size is multiples of page size to ensure proper page alignment, and the OtaPalWriteBlock_t does not need to handle page alignment explicitly.
*
* @note This function must always write a complete file block before returning. So the number of
* bytes written will be equal to the size of the file block. Exception only in case of last block
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