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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** LevelX Component */ |
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/** */ |
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/** NAND Flash */ |
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/** */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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#define LX_SOURCE_CODE |
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/* Disable ThreadX error checking. */ |
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#ifndef LX_DISABLE_ERROR_CHECKING |
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#define LX_DISABLE_ERROR_CHECKING |
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#endif |
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/* Include necessary system files. */ |
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#include "lx_api.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _lx_nand_flash_mapped_block_list_get PORTABLE C */ |
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/* 6.2.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Xiuwen Cai, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function gets a block from mapped block list and removes it */ |
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/* from the list. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* nand_flash NAND flash instance */ |
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/* block_mapping_index Pointer to block mapping index*/ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* return status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Internal LevelX */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 03-08-2023 Xiuwen Cai Initial Version 6.2.1 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _lx_nand_flash_mapped_block_list_get(LX_NAND_FLASH* nand_flash, ULONG *block_mapping_index) |
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{ |
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/* Check if the mapped block list is empty. */ |
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if (nand_flash -> lx_nand_flash_mapped_block_list_head == nand_flash -> lx_nand_flash_block_list_size - 1) |
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{ |
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/* Empty list, return error. */ |
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return(LX_NO_BLOCKS); |
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} |
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/* Remove one block from the list. */ |
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nand_flash -> lx_nand_flash_mapped_block_list_head++; |
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/* Return the block number. */ |
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*block_mapping_index = nand_flash -> lx_nand_flash_block_list[nand_flash -> lx_nand_flash_mapped_block_list_head]; |
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/* Return successful completion. */ |
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return(LX_SUCCESS); |
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} |
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