/**************************************************************************/ /* */ /* Copyright (c) Microsoft Corporation. All rights reserved. */ /* */ /* This software is licensed under the Microsoft Software License */ /* Terms for Microsoft Azure RTOS. Full text of the license can be */ /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ /* and in the root directory of this software. */ /* */ /**************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** LevelX Component */ /** */ /** NAND Flash */ /** */ /**************************************************************************/ /**************************************************************************/ #define LX_SOURCE_CODE /* Disable ThreadX error checking. */ #ifndef TX_DISABLE_ERROR_CHECKING #define TX_DISABLE_ERROR_CHECKING #endif /* Include necessary system files. */ #include "lx_api.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _lx_nand_flash_driver_extra_bytes_set PORTABLE C */ /* 6.0 */ /* AUTHOR */ /* */ /* William E. Lamie, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function calls the driver extra bytes set operation and */ /* updates the internal cache. */ /* */ /* INPUT */ /* */ /* nand_flash NAND flash instance */ /* block Block number */ /* page Page number */ /* source Pointer to source extra bytes */ /* size Number of extra bytes */ /* */ /* OUTPUT */ /* */ /* Completion Status */ /* */ /* CALLS */ /* */ /* (lx_nand_flash_driver_extra_bytes_set) */ /* NAND flash set extra bytes */ /* */ /* CALLED BY */ /* */ /* Internal LevelX */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 William E. Lamie Initial Version 6.0 */ /* */ /**************************************************************************/ UINT _lx_nand_flash_driver_extra_bytes_set(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, UCHAR *source, UINT size) { ULONG cache_index; ULONG *destination_ptr; UINT status; /* Increment the page extra bytes set count. */ nand_flash -> lx_nand_flash_diagnostic_page_extra_bytes_sets++; /* Call driver extra bytes set function. */ status = (nand_flash -> lx_nand_flash_driver_extra_bytes_set)(block, page, source, size); /* Determine if the page extra bytes set cache is enabled. */ if (nand_flash -> lx_nand_flash_page_extra_bytes_cache != LX_NULL) { /* Calculate the cache index. */ cache_index = (block * nand_flash -> lx_nand_flash_pages_per_block) + page; /* Build destination address. */ destination_ptr = &nand_flash -> lx_nand_flash_page_extra_bytes_cache[cache_index].lx_nand_page_extra_info_logical_sector; /* Now save this in the cache. */ *destination_ptr = *((ULONG *) source); } /* Return status. */ return(status); }