chentianya/levelx
1
0
Fork 0
mirror of https://github.com/eclipse-threadx/levelx.git synced 2026-09-14 12:37:01 +08:00
Code Issues Packages Projects Releases Wiki Activity

Initial commit

Browse Source
This commit is contained in:
PProvost
2020-05-11 08:49:43 -06:00
commit 6f4ea0561f
65 changed files with 14775 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common/src/lx_nand_flash_driver_block_status_get.c
+132
View File
@@ -0,0 +1,132 @@
/**************************************************************************/
/* */
/* 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_block_status_get PORTABLE C */
/* 6.0 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function calls the driver to get the block status and */
/* updates the internal cache. */
/* */
/* INPUT */
/* */
/* nand_flash NAND flash instance */
/* block Block number */
/* bad_block_flag Pointer to Bad block flag */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* (lx_nand_flash_driver_block_status_get) */
/* NAND flash block status get */
/* */
/* CALLED BY */
/* */
/* Internal LevelX */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* */
/**************************************************************************/
UINT _lx_nand_flash_driver_block_status_get(LX_NAND_FLASH *nand_flash, ULONG block, UCHAR *bad_block_flag)
{
UINT status;
/* Determine if the block status cache is disabled. */
if (nand_flash -> lx_nand_flash_block_status_cache == LX_NULL)
{
/* Increment the block status get count. */
nand_flash -> lx_nand_flash_diagnostic_block_status_gets++;
/* Call driver block status get function. */
status = (nand_flash -> lx_nand_flash_driver_block_status_get)(block, bad_block_flag);
}
else
{
/* Determine if the block status cache entry is valid. */
if (nand_flash -> lx_nand_flash_block_status_cache[block] != 0)
{
/* Simply return this value. */
*bad_block_flag = nand_flash -> lx_nand_flash_block_status_cache[block];
/* Increment the number of status byte cache hits. */
nand_flash -> lx_nand_flash_diagnostic_block_status_cache_hits++;
/* Return successful status. */
status = LX_SUCCESS;
}
else
{
/* Increment the block status get count. */
nand_flash -> lx_nand_flash_diagnostic_block_status_gets++;
/* Call driver block status get function. */
status = (nand_flash -> lx_nand_flash_driver_block_status_get)(block, bad_block_flag);
/* Increment the number of status byte cache misses. */
nand_flash -> lx_nand_flash_diagnostic_block_status_cache_misses++;
/* Save the block status value in the cache. */
nand_flash -> lx_nand_flash_block_status_cache[block] = *bad_block_flag;
}
}
/* Return status. */
return(status);
}