Qiea/stm32-cnn
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

The Firest Version

Browse Source
This commit is contained in:
Qiea
2024-11-01 22:38:48 +08:00
parent 8dc9a9f472
commit a19f47efca
416 changed files with 240428 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

489
HARDWARE/NAND/ftl.c Normal file
View File

@@ -0,0 +1,489 @@
#include "ftl.h"
#include "string.h"
#include "malloc.h"
#include "nand.h"
#include "usart.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//NAND FLASH FTL<54><4C><EFBFBD>㷨<EFBFBD><E3B7A8><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2016/1/15
//<2F>汾<EFBFBD><E6B1BE>V1.3
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2014-2024
//All rights reserved
//********************************************************************************
//<2F><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>
//V1.1 20160124
//<2F>޸<EFBFBD>FTL_CopyAndWriteToBlock<63><6B>FTL_WriteSectors<72><73><EFBFBD><EFBFBD>,<2C><><EFBFBD>߷<EFBFBD>0XFFʱ<46><CAB1>д<EFBFBD><D0B4><EFBFBD>ٶ<EFBFBD>.
//V1.2 20160520
//1,<2C>޸<EFBFBD>FTL_ReadSectors,<2C><><EFBFBD><EFBFBD>ECC<43><43><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>,<2C><><EFBFBD>⻵<EFBFBD>鴦<EFBFBD><E9B4A6>,<2C><><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD>
//2,<2C><><EFBFBD><EFBFBD>FTL_BlockCompare<72><65>FTL_SearchBadBlock<63><6B><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѱ<EFBFBD><D1B0><EFBFBD><EFBFBD>
//3,<2C>޸<EFBFBD>FTL_Format<61><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ⷽʽ,<2C><><EFBFBD><EFBFBD>FTL_USE_BAD_BLOCK_SEARCH<43><48>
//V1.3 20160530
//<2F>޸ĵ<DEB8>1bit ECC<43><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ȡ2<C8A1>Σ<EFBFBD><CEA3><EFBFBD>ȷ<EFBFBD><C8B7>1bit <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><D4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>
//////////////////////////////////////////////////////////////////////////////////
//ÿ<><C3BF><EFBFBD><EFBFBD>,<2C><>һ<EFBFBD><D2BB>page<67><65>spare<72><65>,ǰ<>ĸ<EFBFBD><C4B8>ֽڵĺ<DAB5><C4BA><EFBFBD>:
//<2F><>һ<EFBFBD><D2BB><EFBFBD>ֽ<EFBFBD>,<2C><>ʾ<EFBFBD>ÿ<EFBFBD><C3BF>Ƿ<EFBFBD><C7B7>ǻ<EFBFBD><C7BB><EFBFBD>:0XFF,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;<3B><><EFBFBD><EFBFBD>ֵ,<2C><><EFBFBD><EFBFBD>.
//<2F>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD>ֽ<EFBFBD>,<2C><>ʾ<EFBFBD>ÿ<EFBFBD><C3BF>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD>ù<EFBFBD>:0XFF,û<><C3BB>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;0XCC,д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
//<2F><><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><CDB5>ĸ<EFBFBD><C4B8>ֽ<EFBFBD>,<2C><>ʾ<EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
//ÿ<><C3BF>page,spare<72><65>16<31>ֽ<EFBFBD><D6BD>Ժ<EFBFBD><D4BA><EFBFBD><EFBFBD>ֽں<D6BD><DABA><EFBFBD>:
//<2F><>ʮ<EFBFBD><CAAE><EFBFBD>ֽڿ<D6BD>ʼ,<2C><><EFBFBD><EFBFBD>ÿ4<C3BF><34><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD>ڴ洢һ<E6B4A2><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><>С:NAND_ECC_SECTOR_SIZE)<29><>ECCֵ,<2C><><EFBFBD><EFBFBD>ECCУ<43><D0A3>
//FTL<54><4C><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C><><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>,ʧ<><CAA7>
u8 FTL_Init(void)
{
u8 temp;
if(NAND_Init())return 1; //<2F><>ʼ<EFBFBD><CABC>NAND FLASH
if(nand_dev.lut)myfree(SRAMIN,nand_dev.lut);
nand_dev.lut=mymalloc(SRAMIN,(nand_dev.block_totalnum)*2); //<2F><>LUT<55><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
memset(nand_dev.lut,0,nand_dev.block_totalnum*2); //ȫ<><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(!nand_dev.lut)return 1; //<2F>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
temp=FTL_CreateLUT(1);
if(temp)
{
printf("format nand flash...\r\n");
temp=FTL_Format(); //<2F><>ʽ<EFBFBD><CABD>NAND
if(temp)
{
printf("format failed!\r\n");
return 2;
}
}else //<2F><><EFBFBD><EFBFBD>LUT<55><54><EFBFBD>ɹ<EFBFBD>
{
printf("total block num:%d\r\n",nand_dev.block_totalnum);
printf("good block num:%d\r\n",nand_dev.good_blocknum);
printf("valid block num:%d\r\n",nand_dev.valid_blocknum);
}
return 0;
}
//<2F><><EFBFBD><EFBFBD>ijһ<C4B3><D2BB><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
//blocknum:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>Χ:0~(block_totalnum-1)
void FTL_BadBlockMark(u32 blocknum)
{
u32 temp=0XAAAAAAAA;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>mark,<2C><><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>OK,ֻҪ<D6BB><D2AA><EFBFBD><EFBFBD>0XFF.<2E><><EFBFBD><EFBFBD>дǰ4<C7B0><34><EFBFBD>ֽ<EFBFBD>,<2C><><EFBFBD><EFBFBD>FTL_FindUnusedBlock<63><6B><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>黵<EFBFBD><E9BBB5>.(<28><><EFBFBD><EFBFBD><EFBFBD>鱸<EFBFBD><E9B1B8><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD>)
NAND_WriteSpare(blocknum*nand_dev.block_pagenum,0,(u8*)&temp,4); //<2F>ڵ<EFBFBD>һ<EFBFBD><D2BB>page<67><65>spare<72><65>,<2C><>һ<EFBFBD><D2BB><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(ǰ4<C7B0><34><EFBFBD>ֽڶ<D6BD>д)
NAND_WriteSpare(blocknum*nand_dev.block_pagenum+1,0,(u8*)&temp,4); //<2F>ڵڶ<DAB5><DAB6><EFBFBD>page<67><65>spare<72><65>,<2C><>һ<EFBFBD><D2BB><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,ǰ4<C7B0><34><EFBFBD>ֽڶ<D6BD>д)
}
//<2F><><EFBFBD><EFBFBD>ijһ<C4B3><D2BB><EFBFBD>Ƿ<EFBFBD><C7B7>ǻ<EFBFBD><C7BB><EFBFBD>
//blocknum:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>Χ:0~(block_totalnum-1)
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ÿ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>
u8 FTL_CheckBadBlock(u32 blocknum)
{
u8 flag=0;
NAND_ReadSpare(blocknum*nand_dev.block_pagenum,0,&flag,1);//<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־
if(flag==0XFF)//<2F>ÿ<EFBFBD>?,<2C><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
NAND_ReadSpare(blocknum*nand_dev.block_pagenum+1,0,&flag,1);//<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־
if(flag==0XFF)return 0; //<2F>ÿ<EFBFBD>
else return 1; //<2F><><EFBFBD><EFBFBD>
}
return 2;
}
//<2F><><EFBFBD><EFBFBD>ijһ<C4B3><D2BB><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD>ʹ<EFBFBD><CAB9>
//blocknum:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>Χ:0~(block_totalnum-1)
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,ʧ<><CAA7>
u8 FTL_UsedBlockMark(u32 blocknum)
{
u8 Usedflag=0XCC;
u8 temp=0;
temp=NAND_WriteSpare(blocknum*nand_dev.block_pagenum,1,(u8*)&Usedflag,1);//д<><D0B4><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD>ʹ<EFBFBD>ñ<EFBFBD>־
return temp;
}
//<2F>Ӹ<EFBFBD><D3B8><EFBFBD><EFBFBD>Ŀ鿪ʼ<E9BFAA>ҵ<EFBFBD><D2B5><EFBFBD>ǰ<EFBFBD>ҵ<EFBFBD>һ<EFBFBD><D2BB>δ<EFBFBD><CEB4>ʹ<EFBFBD>õĿ<C3B5>(ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/ż<><C5BC>)
//sblock:<3A><>ʼ<EFBFBD><CABC>,<2C><>Χ:0~(block_totalnum-1)
//flag:0,ż<><C5BC><EFBFBD><EFBFBD>;1,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
//<2F><><EFBFBD><EFBFBD>ֵ:0XFFFFFFFF,ʧ<><CAA7>
// <20><><EFBFBD><EFBFBD>ֵ,δʹ<CEB4>ÿ<EFBFBD><C3BF><EFBFBD>
u32 FTL_FindUnusedBlock(u32 sblock,u8 flag)
{
u32 temp=0;
u32 blocknum=0;
for(blocknum=sblock+1;blocknum>0;blocknum--)
{
if(((blocknum-1)%2)==flag)//<2F><>ż<EFBFBD>ϸ<EFBFBD>,<2C>ż<EFBFBD><C5BC><EFBFBD>
{
NAND_ReadSpare((blocknum-1)*nand_dev.block_pagenum,0,(u8*)&temp,4);//<2F><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ʹ<EFBFBD>ñ<EFBFBD><C3B1><EFBFBD>
if(temp==0XFFFFFFFF)return(blocknum-1);//<2F>ҵ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD>տ<EFBFBD>,<2C><><EFBFBD>ؿ<EFBFBD><D8BF><EFBFBD><EFBFBD><EFBFBD>
}
}
return 0XFFFFFFFF; //δ<>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬһ<CDAC><D2BB>plane<6E>ڵ<EFBFBD>δʹ<CEB4>õĿ<C3B5>
//sblock<63><6B><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>Χ:0~(block_totalnum-1)
//<2F><><EFBFBD><EFBFBD>ֵ:0XFFFFFFFF,ʧ<><CAA7>
// <20><><EFBFBD><EFBFBD>ֵ,δʹ<CEB4>ÿ<EFBFBD><C3BF><EFBFBD>
u32 FTL_FindSamePlaneUnusedBlock(u32 sblock)
{
static u32 curblock=0XFFFFFFFF;
u32 unusedblock=0;
if(curblock>(nand_dev.block_totalnum-1))curblock=nand_dev.block_totalnum-1;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><CEA7>,ǿ<>ƴ<EFBFBD><C6B4><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>鿪ʼ
unusedblock=FTL_FindUnusedBlock(curblock,sblock%2); //<2F>ӵ<EFBFBD>ǰ<EFBFBD><C7B0>,<2C><>ʼ,<2C><>ǰ<EFBFBD><C7B0><EFBFBD>ҿ<EFBFBD><D2BF><EFBFBD><EFBFBD><EFBFBD>
if(unusedblock==0XFFFFFFFF&&curblock<(nand_dev.block_totalnum-1)) //δ<>ҵ<EFBFBD>,<2C>Ҳ<EFBFBD><D2B2>Ǵ<EFBFBD><C7B4><EFBFBD>ĩβ<C4A9><CEB2>ʼ<EFBFBD>ҵ<EFBFBD>
{
curblock=nand_dev.block_totalnum-1; //ǿ<>ƴ<EFBFBD><C6B4><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>鿪ʼ
unusedblock=FTL_FindUnusedBlock(curblock,sblock%2); //<2F><><EFBFBD><EFBFBD>ĩβ<C4A9><CEB2>ʼ,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>
}
if(unusedblock==0XFFFFFFFF)return 0XFFFFFFFF; //<2F>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>block
curblock=unusedblock; //<2F><>ǰ<EFBFBD><C7B0><EFBFBD>ŵ<EFBFBD><C5B5><EFBFBD>δʹ<CEB4>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD>.<2E>´<EFBFBD><C2B4><EFBFBD><EFBFBD>Ӵ˴<D3B4><CBB4><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
return unusedblock; //<2F><><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><D2B5>Ŀ<EFBFBD><C4BF><EFBFBD>block
}
//<2F><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>,<2C><><EFBFBD>ҿ<EFBFBD><D2BF><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//Source_PageNo:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>ҳ<EFBFBD><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//ColNum:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>п<EFBFBD>ʼ<EFBFBD><CABC>ַ(Ҳ<><D2B2><EFBFBD><EFBFBD>ҳ<EFBFBD>ڵ<EFBFBD>ַ),<2C><>Χ:0~(page_totalsize-1)
//pBuffer:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//NumByteToWrite:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD>ܳ<EFBFBD><DCB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,ʧ<><CAA7>
u8 FTL_CopyAndWriteToBlock(u32 Source_PageNum,u16 ColNum,u8 *pBuffer,u32 NumByteToWrite)
{
u16 i=0,temp=0,wrlen;
u32 source_block=0,pageoffset=0;
u32 unusedblock=0;
source_block=Source_PageNum/nand_dev.block_pagenum; //<2F><><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD>ڵĿ<DAB5><C4BF><EFBFBD>
pageoffset=Source_PageNum%nand_dev.block_pagenum; //<2F><><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><DABF>ڵ<EFBFBD>ƫ<EFBFBD><C6AB>
retry:
unusedblock=FTL_FindSamePlaneUnusedBlock(source_block);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>plane<6E><65>δʹ<CEB4>ÿ<EFBFBD>
if(unusedblock>nand_dev.block_totalnum)return 1; //<2F><><EFBFBD>ҵ<EFBFBD><D2B5>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŵ<EFBFBD><C5B4>ڿ<EFBFBD><DABF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB>϶<EFBFBD><CFB6>dz<EFBFBD><C7B3><EFBFBD><EFBFBD><EFBFBD>
for(i=0;i<nand_dev.block_pagenum;i++) //<2F><>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݸ<EFBFBD><DDB8>Ƶ<EFBFBD><C6B5>ҵ<EFBFBD><D2B5><EFBFBD>δʹ<CEB4>ÿ<EFBFBD><C3BF><EFBFBD>
{
if(i>=pageoffset&&NumByteToWrite) //<2F><><EFBFBD><EFBFBD>Ҫд<D2AA>뵽<EFBFBD><EBB5BD>ǰҳ
{
if(NumByteToWrite>(nand_dev.page_mainsize-ColNum))//Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD>ǰҳ<C7B0><D2B3>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
wrlen=nand_dev.page_mainsize-ColNum; //д<>볤<EFBFBD>ȵ<EFBFBD><C8B5>ڵ<EFBFBD>ǰҳʣ<D2B3><CAA3><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
}else wrlen=NumByteToWrite; //д<><D0B4>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
temp=NAND_CopyPageWithWrite(source_block*nand_dev.block_pagenum+i,unusedblock*nand_dev.block_pagenum+i,ColNum,pBuffer,wrlen);
ColNum=0; //<2F>е<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>
pBuffer+=wrlen; //д<><D0B4>ַƫ<D6B7><C6AB>
NumByteToWrite-=wrlen; //д<><D0B4><EFBFBD><EFBFBD><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD>
}else //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>,ֱ<>ӿ<EFBFBD><D3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
temp=NAND_CopyPageWithoutWrite(source_block*nand_dev.block_pagenum+i,unusedblock*nand_dev.block_pagenum+i);
}
if(temp) //<2F><><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD>鴦<EFBFBD><E9B4A6>
{
FTL_BadBlockMark(unusedblock); //<2F><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
FTL_CreateLUT(1); //<2F>ؽ<EFBFBD>LUT<55><54>
goto retry;
}
}
if(i==nand_dev.block_pagenum) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
FTL_UsedBlockMark(unusedblock); //<2F><><EFBFBD>ǿ<EFBFBD><C7BF>Ѿ<EFBFBD>ʹ<EFBFBD><CAB9>
NAND_EraseBlock(source_block); //<2F><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>
//printf("\r\ncopy block %d to block %d\r\n",source_block,unusedblock);//<2F><>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
for(i=0;i<nand_dev.block_totalnum;i++) //<2F><><EFBFBD><EFBFBD>LUT<55><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD>unusedblock<63>滻source_block
{
if(nand_dev.lut[i]==source_block)
{
nand_dev.lut[i]=unusedblock;
break;
}
}
}
return 0; //<2F>ɹ<EFBFBD>
}
//<2F>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//LBNNum:<3A>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u16 FTL_LBNToPBN(u32 LBNNum)
{
u16 PBNNo=0;
//<2F><><EFBFBD>߼<EFBFBD><DFBC><EFBFBD><EFBFBD>Ŵ<EFBFBD><C5B4><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>򷵻<EFBFBD>0XFFFF
if(LBNNum>nand_dev.valid_blocknum)return 0XFFFF;
PBNNo=nand_dev.lut[LBNNum];
return PBNNo;
}
//д<><D0B4><EFBFBD><EFBFBD>(֧<>ֶ<EFBFBD><D6B6><EFBFBD><EFBFBD><EFBFBD>д)<29><>FATFS<46>ļ<EFBFBD>ϵͳʹ<CDB3><CAB9>
//pBuffer:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//SectorNo:<3A><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//SectorSize:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С(<28><><EFBFBD>ܴ<EFBFBD><DCB4><EFBFBD>NAND_ECC_SECTOR_SIZE<5A><45><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD>С,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!!)
//SectorCount:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,ʧ<><CAA7>
u8 FTL_WriteSectors(u8 *pBuffer,u32 SectorNo,u16 SectorSize,u32 SectorCount)
{
u8 flag=0;
u16 temp;
u32 i=0;
u16 wsecs; //дҳ<D0B4><D2B3>С
u32 wlen; //д<>볤<EFBFBD><EBB3A4>
u32 LBNNo; //<2F>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD>
u32 PBNNo; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u32 PhyPageNo; //<2F><><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>
u32 PageOffset; //ҳ<><D2B3>ƫ<EFBFBD>Ƶ<EFBFBD>ַ
u32 BlockOffset;//<2F><><EFBFBD><EFBFBD>ƫ<EFBFBD>Ƶ<EFBFBD>ַ
u32 markdpbn=0XFFFFFFFF; //<2F><><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
for(i=0;i<SectorCount;i++)
{
LBNNo=(SectorNo+i)/(nand_dev.block_pagenum*(nand_dev.page_mainsize/SectorSize));//<2F><><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD>
PBNNo=FTL_LBNToPBN(LBNNo); //<2F><><EFBFBD>߼<EFBFBD><DFBC><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(PBNNo>=nand_dev.block_totalnum)return 1; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŵ<EFBFBD><C5B4><EFBFBD>NAND FLASH<53><48><EFBFBD>ܿ<EFBFBD><DCBF><EFBFBD>,<2C><>ʧ<EFBFBD><CAA7>.
BlockOffset=((SectorNo+i)%(nand_dev.block_pagenum*(nand_dev.page_mainsize/SectorSize)))*SectorSize;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB>
PhyPageNo=PBNNo*nand_dev.block_pagenum+BlockOffset/nand_dev.page_mainsize; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>
PageOffset=BlockOffset%nand_dev.page_mainsize; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>ƫ<EFBFBD>Ƶ<EFBFBD>ַ
temp=nand_dev.page_mainsize-PageOffset; //page<67><65>ʣ<EFBFBD><CAA3><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>
temp/=SectorSize; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>sector<6F><72>
wsecs=SectorCount-i; //<2F><>ʣ<EFBFBD><CAA3><EFBFBD>ٸ<EFBFBD>sectorҪд
if(wsecs>=temp)wsecs=temp; //<2F><><EFBFBD>ڿ<EFBFBD><DABF><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>sector<6F><72>,<2C><>д<EFBFBD><D0B4>temp<6D><70><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
wlen=wsecs*SectorSize; //ÿ<><C3BF>дwsecs<63><73>sector
//<2F><><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6>Ƿ<EFBFBD>ȫΪ0XFF
flag=NAND_ReadPageComp(PhyPageNo,PageOffset,0XFFFFFFFF,wlen/4,&temp); //<2F><>һ<EFBFBD><D2BB>wlen/4<><34>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>0XFFFFFFFF<46>Ա<EFBFBD>
if(flag)return 2; //<2F><>д<EFBFBD><D0B4><EFBFBD>󣬻<EFBFBD><F3A3ACBB><EFBFBD>
if(temp==(wlen/4)) flag=NAND_WritePage(PhyPageNo,PageOffset,pBuffer,wlen); //ȫΪ0XFF,<2C><><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
else flag=1; //<2F><>ȫ<EFBFBD><C8AB>0XFF,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(flag==0&&(markdpbn!=PBNNo)) //ȫ<><C8AB>0XFF,<2C><>д<EFBFBD><D0B4><EFBFBD>ɹ<EFBFBD>,<2C>ұ<EFBFBD><D2B1><EFBFBD><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뵱ǰ<EBB5B1><C7B0><EFBFBD><EFBFBD><EFBFBD>鲻ͬ
{
flag=FTL_UsedBlockMark(PBNNo); //<2F><><EFBFBD>Ǵ˿<C7B4><CBBF>Ѿ<EFBFBD>ʹ<EFBFBD><CAB9>
markdpbn=PBNNo; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD>ǿ<EFBFBD>=<3D><>ǰ<EFBFBD><C7B0>,<2C><>ֹ<EFBFBD>ظ<EFBFBD><D8B8><EFBFBD><EFBFBD><EFBFBD>
}
if(flag)//<2F><>ȫΪ0XFF/<2F><><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
{
temp=((u32)nand_dev.block_pagenum*nand_dev.page_mainsize-BlockOffset)/SectorSize;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>block<63><6B>ʣ<EFBFBD><EFBFBD><C2B6>ٸ<EFBFBD>SECTOR<4F><52><EFBFBD><EFBFBD>д<EFBFBD><D0B4>
wsecs=SectorCount-i; //<2F><>ʣ<EFBFBD><CAA3><EFBFBD>ٸ<EFBFBD>sectorҪд
if(wsecs>=temp)wsecs=temp; //<2F><><EFBFBD>ڿ<EFBFBD><DABF><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>sector<6F><72>,<2C><>д<EFBFBD><D0B4>temp<6D><70><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
wlen=wsecs*SectorSize; //ÿ<><C3BF>дwsecs<63><73>sector
flag=FTL_CopyAndWriteToBlock(PhyPageNo,PageOffset,pBuffer,wlen);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>block,<2C><>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(flag)return 3;//ʧ<><CAA7>
}
i+=wsecs-1;
pBuffer+=wlen;//<2F><><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>ƫ<EFBFBD><C6AB>
}
return 0;
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(֧<>ֶ<EFBFBD><D6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<29><>FATFS<46>ļ<EFBFBD>ϵͳʹ<CDB3><CAB9>
//pBuffer:<3A><><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
//SectorNo:<3A><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//SectorSize:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
//SectorCount:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,ʧ<><CAA7>
u8 FTL_ReadSectors(u8 *pBuffer,u32 SectorNo,u16 SectorSize,u32 SectorCount)
{
u8 flag=0;
u16 rsecs; //<2F><><EFBFBD>ζ<EFBFBD>ȡҳ<C8A1><D2B3>
u32 i=0;
u32 LBNNo; //<2F>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD>
u32 PBNNo; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u32 PhyPageNo; //<2F><><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>
u32 PageOffset; //ҳ<><D2B3>ƫ<EFBFBD>Ƶ<EFBFBD>ַ
u32 BlockOffset;//<2F><><EFBFBD><EFBFBD>ƫ<EFBFBD>Ƶ<EFBFBD>ַ
for(i=0;i<SectorCount;i++)
{
LBNNo=(SectorNo+i)/(nand_dev.block_pagenum*(nand_dev.page_mainsize/SectorSize));//<2F><><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD>
PBNNo=FTL_LBNToPBN(LBNNo); //<2F><><EFBFBD>߼<EFBFBD><DFBC><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(PBNNo>=nand_dev.block_totalnum)return 1; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŵ<EFBFBD><C5B4><EFBFBD>NAND FLASH<53><48><EFBFBD>ܿ<EFBFBD><DCBF><EFBFBD>,<2C><>ʧ<EFBFBD><CAA7>.
BlockOffset=((SectorNo+i)%(nand_dev.block_pagenum*(nand_dev.page_mainsize/SectorSize)))*SectorSize;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB>
PhyPageNo=PBNNo*nand_dev.block_pagenum+BlockOffset/nand_dev.page_mainsize; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>
PageOffset=BlockOffset%nand_dev.page_mainsize; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>ƫ<EFBFBD>Ƶ<EFBFBD>ַ
rsecs=(nand_dev.page_mainsize-PageOffset)/SectorSize; //<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>ҳ
if(rsecs>(SectorCount-i))rsecs=SectorCount-i; //<2F><><EFBFBD>಻<EFBFBD>ܳ<EFBFBD><DCB3><EFBFBD>SectorCount-i
flag=NAND_ReadPage(PhyPageNo,PageOffset,pBuffer,rsecs*SectorSize); //<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
if(flag==NSTA_ECC1BITERR) //<2F><><EFBFBD><EFBFBD>1bit ecc<63><63><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
{
flag=NAND_ReadPage(PhyPageNo,PageOffset,pBuffer,rsecs*SectorSize); //<2F>ض<EFBFBD><D8B6><EFBFBD><EFBFBD><EFBFBD>,<2C>ٴ<EFBFBD>ȷ<EFBFBD><C8B7>
if(flag==NSTA_ECC1BITERR)
{
FTL_CopyAndWriteToBlock(PhyPageNo,PageOffset,pBuffer,rsecs*SectorSize); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
flag=FTL_BlockCompare(PhyPageNo/nand_dev.block_pagenum,0XFFFFFFFF); //ȫ1<C8AB><31><EFBFBD><EFBFBD>,ȷ<><C8B7><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
if(flag==0)
{
flag=FTL_BlockCompare(PhyPageNo/nand_dev.block_pagenum,0X00); //ȫ0<C8AB><30><EFBFBD><EFBFBD>,ȷ<><C8B7><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
NAND_EraseBlock(PhyPageNo/nand_dev.block_pagenum); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺ<EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
if(flag) //ȫ0/ȫ1<C8AB><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C>϶<EFBFBD><CFB6>ǻ<EFBFBD><C7BB><EFBFBD><EFBFBD><EFBFBD>.
{
FTL_BadBlockMark(PhyPageNo/nand_dev.block_pagenum); //<2F><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
FTL_CreateLUT(1); //<2F>ؽ<EFBFBD>LUT<55><54>
}
flag=0;
}
}
if(flag==NSTA_ECC2BITERR)flag=0; //2bit ecc<63><63><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD>dz<EFBFBD><C7B3><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5>µ<EFBFBD>)
if(flag)return 2; //ʧ<><CAA7>
pBuffer+=SectorSize*rsecs; //<2F><><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>ƫ<EFBFBD><C6AB>
i+=rsecs-1;
}
return 0;
}
//<2F><><EFBFBD>´<EFBFBD><C2B4><EFBFBD>LUT<55><54>
//mode:0,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 1,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҲҪ<D2B2><D2AA><EFBFBD><EFBFBD>)
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,ʧ<><CAA7>
u8 FTL_CreateLUT(u8 mode)
{
u32 i;
u8 buf[4];
u32 LBNnum=0; //<2F>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD>
for(i=0;i<nand_dev.block_totalnum;i++) //<2F><>λLUT<55><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>Ϊ<EFBFBD><CEAA>Чֵ<D0A7><D6B5>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>0XFFFF
{
nand_dev.lut[i]=0XFFFF;
}
nand_dev.good_blocknum=0;
for(i=0;i<nand_dev.block_totalnum;i++)
{
NAND_ReadSpare(i*nand_dev.block_pagenum,0,buf,4); //<2F><>ȡ4<C8A1><34><EFBFBD>ֽ<EFBFBD>
if(buf[0]==0XFF&&mode)NAND_ReadSpare(i*nand_dev.block_pagenum+1,0,buf,1);//<2F>ÿ<EFBFBD>,<2C><><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>2<EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(buf[0]==0XFF)//<2F>Ǻÿ<C7BA>
{
LBNnum=((u16)buf[3]<<8)+buf[2]; //<2F>õ<EFBFBD><C3B5>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if(LBNnum<nand_dev.block_totalnum) //<2F>߼<EFBFBD><DFBC><EFBFBD><EFBFBD>ſ϶<C5BF>С<EFBFBD><D0A1><EFBFBD>ܵĿ<DCB5><C4BF><EFBFBD><EFBFBD><EFBFBD>
{
nand_dev.lut[LBNnum]=i; //<2F><><EFBFBD><EFBFBD>LUT<55><54><EFBFBD><EFBFBD>дLBNnum<75><6D>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
nand_dev.good_blocknum++;
}else printf("bad block index:%d\r\n",i);
}
//LUT<55><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ժ<EFBFBD><D4BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
for(i=0;i<nand_dev.block_totalnum;i++)
{
if(nand_dev.lut[i]>=nand_dev.block_totalnum)
{
nand_dev.valid_blocknum=i;
break;
}
}
if(nand_dev.valid_blocknum<100)return 2; //<2F><>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD>С<EFBFBD><D0A1>100,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.<2E><>Ҫ<EFBFBD><D2AA><EFBFBD>¸<EFBFBD>ʽ<EFBFBD><CABD>
return 0; //LUT<55><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
//FTL<54><4C><EFBFBD><EFBFBD>Block<63><6B>ij<EFBFBD><C4B3><EFBFBD><EFBFBD><EFBFBD>ݶԱ<DDB6>
//blockx:block<63><6B><EFBFBD><EFBFBD>
//cmpval:Ҫ<><D2AA>֮<EFBFBD>Աȵ<D4B1>ֵ
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C><><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>,ȫ<><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 1,<2C><><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>,<2C>в<EFBFBD><D0B2><EFBFBD><EFBFBD>ȵ<EFBFBD><C8B5><EFBFBD><EFBFBD><EFBFBD>
u8 FTL_BlockCompare(u32 blockx,u32 cmpval)
{
u8 res;
u16 i,j,k;
for(i=0;i<3;i++)//<2F><><EFBFBD><EFBFBD>3<EFBFBD>λ<EFBFBD><CEBB><EFBFBD>
{
for(j=0;j<nand_dev.block_pagenum;j++)
{
NAND_ReadPageComp(blockx*nand_dev.block_pagenum,0,cmpval,nand_dev.page_mainsize/4,&k);//<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>page,<2C><><EFBFBD><EFBFBD>0XFFFFFFFF<46>Ա<EFBFBD>
if(k!=(nand_dev.page_mainsize/4))break;
}
if(j==nand_dev.block_pagenum)return 0; //<2F><><EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD>,ֱ<><D6B1><EFBFBD>˳<EFBFBD>
res=NAND_EraseBlock(blockx);
if(res)printf("error erase block:%d\r\n",i);
else
{
if(cmpval!=0XFFFFFFFF)//<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ȫ1,<2C><><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
{
for(k=0;k<nand_dev.block_pagenum;k++)
{
NAND_WritePageConst(blockx*nand_dev.block_pagenum+k,0,0,nand_dev.page_mainsize/4);//дPAGE
}
}
}
}
printf("bad block checked:%d\r\n",blockx);
return 1;
}
//FTL<54><4C>ʼ<EFBFBD><CABC>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>Ѱ<EFBFBD><D1B0><EFBFBD>л<EFBFBD><D0BB><EFBFBD>,ʹ<><CAB9>:<3A><>-д-<2D><> <20><>ʽ
//512M<32><4D>NAND ,<2C><>ҪԼ3<D4BC><33><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>,<2C><><EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD><C9BC><EFBFBD>
//<2F><><EFBFBD><EFBFBD>RGB<47><42>,<2C><><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>дNAND,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u32 FTL_SearchBadBlock(void)
{
u8 *blktbl;
u8 res;
u32 i,j;
u32 goodblock=0;
blktbl=mymalloc(SRAMIN,nand_dev.block_totalnum);//<2F><><EFBFBD><EFBFBD>block<63><6B><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>,<2C><>Ӧ<EFBFBD><D3A6>:0,<2C>ÿ<EFBFBD>;1,<2C><><EFBFBD><EFBFBD>;
NAND_EraseChip(); //ȫƬ<C8AB><C6AC><EFBFBD><EFBFBD>
for(i=0;i<nand_dev.block_totalnum;i++) //<2F><>һ<EFBFBD>׶μ<D7B6><CEBC><EFBFBD>,<2C><><EFBFBD><EFBFBD>ȫ1
{
res=FTL_BlockCompare(i,0XFFFFFFFF); //ȫ1<C8AB><31><EFBFBD><EFBFBD>
if(res)blktbl[i]=1; //<2F><><EFBFBD><EFBFBD>
else
{
blktbl[i]=0; //<2F>ÿ<EFBFBD>
for(j=0;j<nand_dev.block_pagenum;j++)//дblockΪȫ0,Ϊ<><CEAA><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>׼<EFBFBD><D7BC>
{
NAND_WritePageConst(i*nand_dev.block_pagenum+j,0,0,nand_dev.page_mainsize/4);
}
}
}
for(i=0;i<nand_dev.block_totalnum;i++) //<2F>ڶ<EFBFBD><DAB6>׶μ<D7B6><CEBC><EFBFBD>,<2C><><EFBFBD><EFBFBD>ȫ0
{
if(blktbl[i]==0) //<2F>ڵ<EFBFBD>һ<EFBFBD>׶<EFBFBD>,û<>б<EFBFBD><D0B1><EFBFBD><EFBFBD>ǻ<EFBFBD><C7BB><EFBFBD><EFBFBD><EFBFBD>,<2C>ſ<EFBFBD><C5BF><EFBFBD><EFBFBD>Ǻÿ<C7BA>
{
res=FTL_BlockCompare(i,0); //ȫ0<C8AB><30><EFBFBD><EFBFBD>
if(res)blktbl[i]=1; //<2F><><EFBFBD>ǻ<EFBFBD><C7BB><EFBFBD>
else goodblock++;
}
}
NAND_EraseChip(); //ȫƬ<C8AB><C6AC><EFBFBD><EFBFBD>
for(i=0;i<nand_dev.block_totalnum;i++) //<2F><><EFBFBD><EFBFBD><EFBFBD>׶μ<D7B6><CEBC><EFBFBD>,<2C><><EFBFBD>ǻ<EFBFBD><C7BB><EFBFBD>
{
if(blktbl[i])FTL_BadBlockMark(i); //<2F>ǻ<EFBFBD><C7BB><EFBFBD>
}
return goodblock; //<2F><><EFBFBD>غÿ<D8BA><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
//<2F><>ʽ<EFBFBD><CABD>NAND <20>ؽ<EFBFBD>LUT<55><54>
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,ʧ<><CAA7>
u8 FTL_Format(void)
{
u8 temp;
u32 i,n;
u32 goodblock=0;
nand_dev.good_blocknum=0;
#if FTL_USE_BAD_BLOCK_SEARCH==1 //ʹ<>ò<EFBFBD>-д-<2D><><EFBFBD>ķ<EFBFBD>ʽ,<2C><><EFBFBD>⻵<EFBFBD><E2BBB5>
nand_dev.good_blocknum=FTL_SearchBadBlock();//<2F><>Ѱ<EFBFBD><D1B0><EFBFBD><EFBFBD>.<2E><>ʱ<EFBFBD>ܾ<EFBFBD>
#else //ֱ<><D6B1>ʹ<EFBFBD><CAB9>NAND FLASH<53>ij<EFBFBD><C4B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,Ĭ<><C4AC><EFBFBD>Ǻÿ<C7BA>)
for(i=0;i<nand_dev.block_totalnum;i++)
{
temp=FTL_CheckBadBlock(i); //<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
if(temp==0) //<2F>ÿ<EFBFBD>
{
temp=NAND_EraseBlock(i);
if(temp) //<2F><><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>,<2C><>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
{
printf("Bad block:%d\r\n",i);
FTL_BadBlockMark(i); //<2F><><EFBFBD><EFBFBD><EFBFBD>ǻ<EFBFBD><C7BB><EFBFBD>
}else nand_dev.good_blocknum++; //<2F>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ
}
}
#endif
printf("good_blocknum:%d\r\n",nand_dev.good_blocknum);
if(nand_dev.good_blocknum<100) return 1; //<2F><><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>100<30><30><EFBFBD><EFBFBD>NAND Flash<73><68><EFBFBD><EFBFBD>
goodblock=(nand_dev.good_blocknum*93)/100; //%93<39>ĺÿ<C4BA><C3BF><EFBFBD><EFBFBD>ڴ洢<DAB4><E6B4A2><EFBFBD><EFBFBD>
n=0;
for(i=0;i<nand_dev.block_totalnum;i++) //<2F>ںÿ<DABA><C3BF>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD>Ϣ
{
temp=FTL_CheckBadBlock(i); //<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
if(temp==0) //<2F>ÿ<EFBFBD>
{
NAND_WriteSpare(i*nand_dev.block_pagenum,2,(u8*)&n,2);//д<><D0B4><EFBFBD>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
n++; //<2F>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ż<EFBFBD>1
if(n==goodblock) break; //ȫ<><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
}
if(FTL_CreateLUT(1))return 2; //<2F>ؽ<EFBFBD>LUT<55><54>ʧ<EFBFBD><CAA7>
return 0;
}

48
HARDWARE/NAND/ftl.h Normal file
View File

@@ -0,0 +1,48 @@
#ifndef __FTL_H
#define __FTL_H
#include "sys.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//NAND FLASH FTL<54><4C><EFBFBD>㷨<EFBFBD><E3B7A8><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2016/1/15
//<2F>汾<EFBFBD><E6B1BE>V1.3
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2014-2024
//All rights reserved
//********************************************************************************
//<2F><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>
//V1.1 20160124
//<2F>޸<EFBFBD>FTL_CopyAndWriteToBlock<63><6B>FTL_WriteSectors<72><73><EFBFBD><EFBFBD>,<2C><><EFBFBD>߷<EFBFBD>0XFFʱ<46><CAB1>д<EFBFBD><D0B4><EFBFBD>ٶ<EFBFBD>.
//V1.2 20160520
//1,<2C>޸<EFBFBD>FTL_ReadSectors,<2C><><EFBFBD><EFBFBD>ECC<43><43><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>,<2C><><EFBFBD>⻵<EFBFBD>鴦<EFBFBD><E9B4A6>,<2C><><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD>
//2,<2C><><EFBFBD><EFBFBD>FTL_BlockCompare<72><65>FTL_SearchBadBlock<63><6B><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѱ<EFBFBD><D1B0><EFBFBD><EFBFBD>
//3,<2C>޸<EFBFBD>FTL_Format<61><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ⷽʽ,<2C><><EFBFBD><EFBFBD>FTL_USE_BAD_BLOCK_SEARCH<43><48>
//V1.3 20160530
//<2F>޸ĵ<DEB8>1bit ECC<43><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ȡ2<C8A1>Σ<EFBFBD><CEA3><EFBFBD>ȷ<EFBFBD><C8B7>1bit <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Է<EFBFBD><D4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ1,<2C><><EFBFBD><EFBFBD>FTL_Format<61><74>ʱ<EFBFBD><CAB1>,<2C><>Ѱ<EFBFBD><D1B0><EFBFBD><EFBFBD>,<2C><>ʱ<EFBFBD><CAB1>(512M,3<><33><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>),<2C>һᵼ<D2BB><E1B5BC>RGB<47><42><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
#define FTL_USE_BAD_BLOCK_SEARCH 0 //<2F><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>ʹ<EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 FTL_Init(void);
void FTL_BadBlockMark(u32 blocknum);
u8 FTL_CheckBadBlock(u32 blocknum);
u8 FTL_UsedBlockMark(u32 blocknum);
u32 FTL_FindUnusedBlock(u32 sblock,u8 flag);
u32 FTL_FindSamePlaneUnusedBlock(u32 sblock);
u8 FTL_CopyAndWriteToBlock(u32 Source_PageNum,u16 ColNum,u8 *pBuffer,u32 NumByteToWrite);
u16 FTL_LBNToPBN(u32 LBNNum);
u8 FTL_WriteSectors(u8 *pBuffer,u32 SectorNo,u16 SectorSize,u32 SectorCount);
u8 FTL_ReadSectors(u8 *pBuffer,u32 SectorNo,u16 SectorSize,u32 SectorCount);
u8 FTL_CreateLUT(u8 mode);
u8 FTL_BlockCompare(u32 blockx,u32 cmpval);
u32 FTL_SearchBadBlock(void);
u8 FTL_Format(void);
#endif

682
HARDWARE/NAND/nand.c Normal file
View File

@@ -0,0 +1,682 @@
#include "nand.h"
#include "delay.h"
#include "malloc.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//NAND FLASH <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2016/1/15
//<2F>汾<EFBFBD><E6B1BE>V1.5
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2014-2024
//All rights reserved
//********************************************************************************
//<2F><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>
//V1.1 20160520
//1,<2C><><EFBFBD><EFBFBD>Ӳ<EFBFBD><D3B2>ECC֧<43><D6A7>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>NAND_ECC_SECTOR_SIZE<5A><45>СΪ<D0A1><CEAA>λ<EFBFBD><CEBB><EFBFBD>ж<EFBFBD>дʱ<D0B4><CAB1><EFBFBD><EFBFBD>)
//2,<2C><><EFBFBD><EFBFBD>NAND_Delay<61><79><EFBFBD><EFBFBD>,<2C><><EFBFBD>ڵȴ<DAB5>tADL/tWHR
//3,<2C><><EFBFBD><EFBFBD>NAND_WritePageConst<73><74><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѱ<EFBFBD><D1B0><EFBFBD><EFBFBD>.
//V1.2 20160525
//1,ȥ<><C8A5>NAND_SEC_SIZE<5A>궨<EFBFBD>壬<EFBFBD><E5A3AC>NAND_ECC_SECTOR_SIZE<5A><45><EFBFBD><EFBFBD>
//2,ȥ<><C8A5>nand_dev<65>ṹ<EFBFBD><E1B9B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>secbufָ<66>룬<EFBFBD>ò<EFBFBD><C3B2><EFBFBD>
//V1.3 20160907
//1,<2C><><EFBFBD><EFBFBD>NAND_TADL_DELAY<41><59>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>tADL<44><4C><EFBFBD>ӳ<EFBFBD>ʱ<EFBFBD><CAB1>,<2C><><EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD>
//V1.4 20180321
//1,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>H27U4G8F2EоƬ<D0BE><C6AC>֧<EFBFBD><D6A7>
//2,<2C>޸<EFBFBD>MEMSET/MEMHOLD/MEMHIZ<49><5A><EFBFBD><EFBFBD>ʱ,<2C><>֧<EFBFBD><D6A7>H27U4G08F2E.
//V1.5 20180531
//1.<2E><><EFBFBD><EFBFBD>NAND_TWHR_DELAY/NAND_TRHW_DELAY/NAND_TPROG_DELAY/NAND_TBERS_DELAY<41>ĸ<EFBFBD><C4B8><EFBFBD>ʱ,<2C><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>
//2.<2E><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ms<6D><73><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>ʱ<EFBFBD>䲻<EFBFBD><E4B2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD>ɳ<EFBFBD><C9B3><EFBFBD>
//////////////////////////////////////////////////////////////////////////////////
NAND_HandleTypeDef NAND_Handler; //NAND FLASH<53><48><EFBFBD><EFBFBD>
nand_attriute nand_dev; //nand<6E><64>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD>ṹ<EFBFBD><E1B9B9>
//<2F><>ʼ<EFBFBD><CABC>NAND FLASH
u8 NAND_Init(void)
{
FMC_NAND_PCC_TimingTypeDef ComSpaceTiming,AttSpaceTiming;
NAND_Handler.Instance=FMC_NAND_DEVICE;
NAND_Handler.Init.NandBank=FMC_NAND_BANK3; //NAND<4E><44><EFBFBD><EFBFBD>BANK3<4B><33>
NAND_Handler.Init.Waitfeature=FMC_NAND_PCC_WAIT_FEATURE_DISABLE; //<2F>رյȴ<D5B5><C8B4><EFBFBD><EFBFBD><EFBFBD>
NAND_Handler.Init.MemoryDataWidth=FMC_NAND_PCC_MEM_BUS_WIDTH_8; //8λ<38><CEBB><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD>
NAND_Handler.Init.EccComputation=FMC_NAND_ECC_DISABLE; //<2F><>ʹ<EFBFBD><CAB9>ECC
NAND_Handler.Init.ECCPageSize=FMC_NAND_ECC_PAGE_SIZE_2048BYTE; //ECCҳ<43><D2B3>СΪ2k
NAND_Handler.Init.TCLRSetupTime=0; //<2F><><EFBFBD><EFBFBD>TCLR(tCLR=CLE<4C><45>RE<52><45><EFBFBD><EFBFBD>ʱ)=(TCLR+TSET+2)*THCLK,THCLK=1/180M=5.5ns
NAND_Handler.Init.TARSetupTime=1; //<2F><><EFBFBD><EFBFBD>TAR(tAR=ALE<4C><45>RE<52><45><EFBFBD><EFBFBD>ʱ)=(TAR+TSET+2)*THCLK,THCLK=1/180M=5.5n<EFBFBD><EFBFBD>
ComSpaceTiming.SetupTime=2; //<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
ComSpaceTiming.WaitSetupTime=3; //<2F>ȴ<EFBFBD>ʱ<EFBFBD><CAB1>
ComSpaceTiming.HoldSetupTime=2; //<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
ComSpaceTiming.HiZSetupTime=1; //<2F><><EFBFBD><EFBFBD>̬ʱ<CCAC><CAB1>
AttSpaceTiming.SetupTime=2; //<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
AttSpaceTiming.WaitSetupTime=3; //<2F>ȴ<EFBFBD>ʱ<EFBFBD><CAB1>
AttSpaceTiming.HoldSetupTime=2; //<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
AttSpaceTiming.HiZSetupTime=1; //<2F><><EFBFBD><EFBFBD>̬ʱ<CCAC><CAB1>
HAL_NAND_Init(&NAND_Handler,&ComSpaceTiming,&AttSpaceTiming);
NAND_Reset(); //<2F><>λNAND
delay_ms(100);
nand_dev.id=NAND_ReadID(); //<2F><>ȡID
NAND_ModeSet(4); //<2F><><EFBFBD><EFBFBD>ΪMODE4,<2C><><EFBFBD><EFBFBD>ģʽ
if(nand_dev.id==MT29F16G08ABABA) //NANDΪMT29F16G08ABABA
{
nand_dev.page_totalsize=4320; //nandһ<64><D2BB>page<67><65><EFBFBD>ܴ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>spare<72><65><EFBFBD><EFBFBD>
nand_dev.page_mainsize=4096; //nandһ<64><D2BB>page<67><65><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
nand_dev.page_sparesize=224; //nandһ<64><D2BB>page<67><65>spare<72><65><EFBFBD><EFBFBD>С
nand_dev.block_pagenum=128; //nandһ<64><D2BB>block<63><6B><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>page<67><65>Ŀ
nand_dev.plane_blocknum=2048; //nandһ<64><D2BB>plane<6E><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>block<63><6B>Ŀ
nand_dev.block_totalnum=4096; //nand<6E><64><EFBFBD><EFBFBD>block<63><6B>Ŀ
}
else if(nand_dev.id==MT29F4G08ABADA)//NANDΪMT29F4G08ABADA
{
nand_dev.page_totalsize=2112; //nandһ<64><D2BB>page<67><65><EFBFBD>ܴ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>spare<72><65><EFBFBD><EFBFBD>
nand_dev.page_mainsize=2048; //nandһ<64><D2BB>page<67><65><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
nand_dev.page_sparesize=64; //nandһ<64><D2BB>page<67><65>spare<72><65><EFBFBD><EFBFBD>С
nand_dev.block_pagenum=64; //nandһ<64><D2BB>block<63><6B><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>page<67><65>Ŀ
nand_dev.plane_blocknum=2048; //nandһ<64><D2BB>plane<6E><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>block<63><6B>Ŀ
nand_dev.block_totalnum=4096; //nand<6E><64><EFBFBD><EFBFBD>block<63><6B>Ŀ
}else return 1; //<2F><><EFBFBD>󣬷<EFBFBD><F3A3ACB7><EFBFBD>
return 0;
}
//NAND FALSH<53>ײ<EFBFBD><D7B2><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD>ʱ<EFBFBD><CAB1>ʹ<EFBFBD><CAB9>
//<2F>˺<EFBFBD><CBBA><EFBFBD><EFBFBD>ᱻHAL_NAND_Init()<29><><EFBFBD><EFBFBD>
void HAL_NAND_MspInit(NAND_HandleTypeDef *hnand)
{
GPIO_InitTypeDef GPIO_Initure;
__HAL_RCC_FMC_CLK_ENABLE(); //ʹ<><CAB9>FMCʱ<43><CAB1>
__HAL_RCC_GPIOD_CLK_ENABLE(); //ʹ<><CAB9>GPIODʱ<44><CAB1>
__HAL_RCC_GPIOE_CLK_ENABLE(); //ʹ<><CAB9>GPIOEʱ<45><CAB1>
__HAL_RCC_GPIOG_CLK_ENABLE(); //ʹ<><CAB9>GPIOGʱ<47><CAB1>
//<2F><>ʼ<EFBFBD><CABC>PD6 R/B<><42><EFBFBD><EFBFBD>
GPIO_Initure.Pin=GPIO_PIN_6;
GPIO_Initure.Mode=GPIO_MODE_INPUT; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Pull=GPIO_PULLUP; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Speed=GPIO_SPEED_HIGH; //<2F><><EFBFBD><EFBFBD>
HAL_GPIO_Init(GPIOD,&GPIO_Initure);
//<2F><>ʼ<EFBFBD><CABC>PG9 NCE3<45><33><EFBFBD><EFBFBD>
GPIO_Initure.Pin=GPIO_PIN_9;
GPIO_Initure.Mode=GPIO_MODE_AF_PP; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Pull=GPIO_NOPULL; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Speed=GPIO_SPEED_HIGH; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Alternate=GPIO_AF12_FMC; //<2F><><EFBFBD><EFBFBD>ΪFMC
HAL_GPIO_Init(GPIOG,&GPIO_Initure);
//<2F><>ʼ<EFBFBD><CABC>PD0,1,4,5,11,12,14,15
GPIO_Initure.Pin=GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5|\
GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_14|GPIO_PIN_15;
GPIO_Initure.Pull=GPIO_NOPULL;
HAL_GPIO_Init(GPIOD,&GPIO_Initure);
//<2F><>ʼ<EFBFBD><CABC>PE7,8,9,10
GPIO_Initure.Pin=GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10;
HAL_GPIO_Init(GPIOE,&GPIO_Initure);
}
//<2F><>ȡNAND FLASH<53><48>ID
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>;
// <20><><EFBFBD><EFBFBD>,ʧ<><CAA7>
u8 NAND_ModeSet(u8 mode)
{
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_FEATURE;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=0X01; //<2F><>ַΪ0X01,<2C><><EFBFBD><EFBFBD>mode
*(vu8*)NAND_ADDRESS=mode; //P1<50><31><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>mode
*(vu8*)NAND_ADDRESS=0;
*(vu8*)NAND_ADDRESS=0;
*(vu8*)NAND_ADDRESS=0;
if(NAND_WaitForReady()==NSTA_READY)return 0;//<2F>ɹ<EFBFBD>
else return 1; //ʧ<><CAA7>
}
//<2F><>ȡNAND FLASH<53><48>ID
//<2F><>ͬ<EFBFBD><CDAC>NAND<4E><44><EFBFBD>в<EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC><EFBFBD>ʹ<EFBFBD>õ<EFBFBD>NAND FALSH<53><48><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:NAND FLASH<53><48>IDֵ
u32 NAND_ReadID(void)
{
u8 deviceid[5];
u32 id;
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_READID; //<2F><><EFBFBD>Ͷ<EFBFBD>ȡID<49><44><EFBFBD><EFBFBD>
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=0X00;
//IDһ<44><D2BB><EFBFBD><EFBFBD>5<EFBFBD><35><EFBFBD>ֽ<EFBFBD>
deviceid[0]=*(vu8*)NAND_ADDRESS;
deviceid[1]=*(vu8*)NAND_ADDRESS;
deviceid[2]=*(vu8*)NAND_ADDRESS;
deviceid[3]=*(vu8*)NAND_ADDRESS;
deviceid[4]=*(vu8*)NAND_ADDRESS;
//þ<><C3BE><EFBFBD><EFBFBD>NAND FLASH<53><48>IDһ<44><D2BB>5<EFBFBD><35><EFBFBD>ֽڣ<D6BD><DAA3><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>˷<EFBFBD><CBB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻȡ4<C8A1><34><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>32λ<32><CEBB>IDֵ
//<2F><><EFBFBD><EFBFBD>NAND FLASH<53><48><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲᣬֻҪ<D6BB><D2AA>þ<EFBFBD><C3BE><EFBFBD><EFBFBD>NAND FLASH<53><48><EFBFBD><EFBFBD>ôһ<C3B4><D2BB><EFBFBD>ֽ<EFBFBD>ID<49>ĵ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ֽڶ<D6BD><DAB6><EFBFBD>0X2C
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǾͿ<C7BE><CDBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0X2C<32><43>ֻȡ<D6BB><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽڵ<D6BD>IDֵ<44><D6B5>
id=((u32)deviceid[1])<<24|((u32)deviceid[2])<<16|((u32)deviceid[3])<<8|deviceid[4];
return id;
}
//<2F><>NAND״̬
//<2F><><EFBFBD><EFBFBD>ֵ:NAND״ֵ̬
//bit0:0,<2C>ɹ<EFBFBD>;1,<2C><><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD>/READ)
//bit6:0,Busy;1,Ready
u8 NAND_ReadStatus(void)
{
vu8 data=0;
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_READSTA;//<2F><><EFBFBD>Ͷ<EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>
NAND_Delay(NAND_TWHR_DELAY); //<2F>ȴ<EFBFBD>tWHR,<2C>ٶ<EFBFBD>ȡ״̬<D7B4>Ĵ<EFBFBD><C4B4><EFBFBD>
data=*(vu8*)NAND_ADDRESS; //<2F><>ȡ״ֵ̬
return data;
}
//<2F>ȴ<EFBFBD>NAND׼<44><D7BC><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:NSTA_TIMEOUT <20>ȴ<EFBFBD><C8B4><EFBFBD>ʱ<EFBFBD><CAB1>
// NSTA_READY <20>Ѿ<EFBFBD>׼<EFBFBD><D7BC><EFBFBD><EFBFBD>
u8 NAND_WaitForReady(void)
{
u8 status=0;
vu32 time=0;
while(1) //<2F>ȴ<EFBFBD>ready
{
status=NAND_ReadStatus(); //<2F><>ȡ״ֵ̬
if(status&NSTA_READY)break;
time++;
if(time>=0X1FFFFFFF)return NSTA_TIMEOUT;//<2F><>ʱ
}
return NSTA_READY;//׼<><D7BC><EFBFBD><EFBFBD>
}
//<2F><>λNAND
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>;
// <20><><EFBFBD><EFBFBD>,ʧ<><CAA7>
u8 NAND_Reset(void)
{
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_RESET; //<2F><>λNAND
if(NAND_WaitForReady()==NSTA_READY)return 0;//<2F><>λ<EFBFBD>ɹ<EFBFBD>
else return 1; //<2F><>λʧ<CEBB><CAA7>
}
//<2F>ȴ<EFBFBD>RB<52>ź<EFBFBD>Ϊij<CEAA><C4B3><EFBFBD><EFBFBD>ƽ
//rb:0,<2C>ȴ<EFBFBD>RB==0
// 1,<2C>ȴ<EFBFBD>RB==1
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// 1,<2C><>ʱ
u8 NAND_WaitRB(vu8 rb)
{
vu32 time=0;
while(time<0X1FFFFFF)
{
time++;
if(NAND_RB==rb)return 0;
}
return 1;
}
//NAND<4E><44>ʱ
//һ<><D2BB>i++<2B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ4ns
void NAND_Delay(vu32 i)
{
while(i>0)i--;
}
//<2F><>ȡNAND Flash<73><68>ָ<EFBFBD><D6B8>ҳָ<D2B3><D6B8><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>(main<69><6E><EFBFBD><EFBFBD>spare<72><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ô˺<C3B4><CBBA><EFBFBD>)
//PageNum:Ҫ<><D2AA>ȡ<EFBFBD><C8A1>ҳ<EFBFBD><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//ColNum:Ҫ<><D2AA>ȡ<EFBFBD><C8A1><EFBFBD>п<EFBFBD>ʼ<EFBFBD><CABC>ַ(Ҳ<><D2B2><EFBFBD><EFBFBD>ҳ<EFBFBD>ڵ<EFBFBD>ַ),<2C><>Χ:0~(page_totalsize-1)
//*pBuffer:ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD>ݴ洢<DDB4><E6B4A2>
//NumByteToRead:<3A><>ȡ<EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>(<28><><EFBFBD>ܿ<EFBFBD>ҳ<EFBFBD><D2B3>)
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 NAND_ReadPage(u32 PageNum,u16 ColNum,u8 *pBuffer,u16 NumByteToRead)
{
vu16 i=0;
u8 res=0;
u8 eccnum=0; //<2F><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECC<43><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿNAND_ECC_SECTOR_SIZE<5A>ֽڼ<D6BD><DABC><EFBFBD>һ<EFBFBD><D2BB>ecc
u8 eccstart=0; //<2F><>һ<EFBFBD><D2BB>ECCֵ<43><D6B5><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><D6B7>Χ
u8 errsta=0;
u8 *p;
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_AREA_A;
//<2F><><EFBFBD>͵<EFBFBD>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)ColNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(ColNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)PageNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(PageNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(PageNum>>16);
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_AREA_TRUE1;
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>ǵȴ<C7B5>R/B<><42><EFBFBD>ű<EFBFBD>Ϊ<EFBFBD>͵<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>õģ<C3B5><C4A3>ȴ<EFBFBD>NAND<4E><44><EFBFBD><EFBFBD>R/B<><42><EFBFBD>š<EFBFBD><C5A1><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
//<2F><>STM32<33><32>NWAIT<49><54><EFBFBD><EFBFBD>(NAND<4E><44>R/B<><42><EFBFBD><EFBFBD>)<29><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>ͨIO<49><4F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD>ȡNWAIT<49><54><EFBFBD>ŵĵ<C5B5>ƽ<EFBFBD><C6BD><EFBFBD>ж<EFBFBD>NAND<4E>Ƿ<EFBFBD>׼<EFBFBD><D7BC>
//<2F><><EFBFBD><EFBFBD><EFBFBD>ġ<EFBFBD><C4A1><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶȺܿ<C8BA><DCBF><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>п<EFBFBD><D0BF><EFBFBD>NAND<4E><44>û<EFBFBD><C3BB><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD>R/B<><42><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾNAND<4E><44>æ
//<2F><>״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǾͶ<C7BE>ȡ<EFBFBD><C8A1>R/B<><42><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>϶<EFBFBD><CFB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD>ʵ<EFBFBD><CAB5>ȷʵ<C8B7>ǻ<EFBFBD><C7BB><EFBFBD><EFBFBD><EFBFBD>!<21><><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD>뻻<EFBFBD><EBBBBB><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>,ֻ<><D6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
res=NAND_WaitRB(0); //<2F>ȴ<EFBFBD>RB=0
if(res)return NSTA_TIMEOUT; //<2F><>ʱ<EFBFBD>˳<EFBFBD>
//<2F><><EFBFBD><EFBFBD>2<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>NAND<4E>Ƿ<EFBFBD>׼<EFBFBD><D7BC><EFBFBD>õ<EFBFBD>
res=NAND_WaitRB(1); //<2F>ȴ<EFBFBD>RB=1
if(res)return NSTA_TIMEOUT; //<2F><>ʱ<EFBFBD>˳<EFBFBD>
if(NumByteToRead%NAND_ECC_SECTOR_SIZE)//<2F><><EFBFBD><EFBFBD>NAND_ECC_SECTOR_SIZE<5A><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECCУ<43><D0A3>
{
//<2F><>ȡNAND FLASH<53>е<EFBFBD>ֵ
for(i=0;i<NumByteToRead;i++)
{
*(vu8*)pBuffer++ = *(vu8*)NAND_ADDRESS;
}
}else
{
eccnum=NumByteToRead/NAND_ECC_SECTOR_SIZE; //<2F>õ<EFBFBD>ecc<63><63><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
eccstart=ColNum/NAND_ECC_SECTOR_SIZE;
p=pBuffer;
for(res=0;res<eccnum;res++)
{
FMC_Bank2_3->PCR3|=1<<6; //ʹ<><CAB9>ECCУ<43><D0A3>
for(i=0;i<NAND_ECC_SECTOR_SIZE;i++) //<2F><>ȡNAND_ECC_SECTOR_SIZE<5A><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
*(vu8*)pBuffer++ = *(vu8*)NAND_ADDRESS;
}
while(!(FMC_Bank2_3->SR3&(1<<6))); //<2F>ȴ<EFBFBD>FIFO<46><4F>
nand_dev.ecc_hdbuf[res+eccstart]=FMC_Bank2_3->ECCR3;//<2F><>ȡӲ<C8A1><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECCֵ
FMC_Bank2_3->PCR3&=~(1<<6); //<2F><>ֹECCУ<43><D0A3>
}
i=nand_dev.page_mainsize+0X10+eccstart*4; //<2F><>spare<72><65><EFBFBD><EFBFBD>0X10λ<30>ÿ<EFBFBD>ʼ<EFBFBD><CABC>ȡ֮ǰ<D6AE>洢<EFBFBD><E6B4A2>eccֵ
NAND_Delay(NAND_TRHW_DELAY);//<2F>ȴ<EFBFBD>tRHW
*(vu8*)(NAND_ADDRESS|NAND_CMD)=0X05; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
//<2F><><EFBFBD>͵<EFBFBD>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)i;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(i>>8);
*(vu8*)(NAND_ADDRESS|NAND_CMD)=0XE0; //<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
NAND_Delay(NAND_TWHR_DELAY);//<2F>ȴ<EFBFBD>tWHR
pBuffer=(u8*)&nand_dev.ecc_rdbuf[eccstart];
for(i=0;i<4*eccnum;i++) //<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECCֵ
{
*(vu8*)pBuffer++= *(vu8*)NAND_ADDRESS;
}
for(i=0;i<eccnum;i++) //<2F><><EFBFBD><EFBFBD>ECC
{
if(nand_dev.ecc_rdbuf[i+eccstart]!=nand_dev.ecc_hdbuf[i+eccstart])//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>ҪУ<D2AA><D0A3>
{
printf("err hd,rd:0x%x,0x%x\r\n",nand_dev.ecc_hdbuf[i+eccstart],nand_dev.ecc_rdbuf[i+eccstart]);
printf("eccnum,eccstart:%d,%d\r\n",eccnum,eccstart);
printf("PageNum,ColNum:%d,%d\r\n",PageNum,ColNum);
res=NAND_ECC_Correction(p+NAND_ECC_SECTOR_SIZE*i,nand_dev.ecc_rdbuf[i+eccstart],nand_dev.ecc_hdbuf[i+eccstart]);//ECCУ<43><D0A3>
if(res)errsta=NSTA_ECC2BITERR; //<2F><><EFBFBD><EFBFBD>2BIT<49><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECC<43><43><EFBFBD><EFBFBD>
else errsta=NSTA_ECC1BITERR; //<2F><><EFBFBD><EFBFBD>1BIT ECC<43><43><EFBFBD><EFBFBD>
}
}
}
if(NAND_WaitForReady()!=NSTA_READY)errsta=NSTA_ERROR; //ʧ<><CAA7>
return errsta; //<2F>ɹ<EFBFBD>
}
//<2F><>ȡNAND Flash<73><68>ָ<EFBFBD><D6B8>ҳָ<D2B3><D6B8><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>(main<69><6E><EFBFBD><EFBFBD>spare<72><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ô˺<C3B4><CBBA><EFBFBD>),<2C><><EFBFBD>Ա<EFBFBD>(FTL<54><4C><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>Ҫ)
//PageNum:Ҫ<><D2AA>ȡ<EFBFBD><C8A1>ҳ<EFBFBD><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//ColNum:Ҫ<><D2AA>ȡ<EFBFBD><C8A1><EFBFBD>п<EFBFBD>ʼ<EFBFBD><CABC>ַ(Ҳ<><D2B2><EFBFBD><EFBFBD>ҳ<EFBFBD>ڵ<EFBFBD>ַ),<2C><>Χ:0~(page_totalsize-1)
//CmpVal:Ҫ<>Աȵ<D4B1>ֵ,<2C><>u32Ϊ<32><CEAA>λ
//NumByteToRead:<3A><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>(<28><>4<EFBFBD>ֽ<EFBFBD>Ϊ<EFBFBD><CEAA>λ,<2C><><EFBFBD>ܿ<EFBFBD>ҳ<EFBFBD><D2B3>)
//NumByteEqual:<3A>ӳ<EFBFBD>ʼλ<CABC>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD>CmpValֵ<6C><D6B5>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD><EFBFBD>ݸ<EFBFBD><DDB8><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 NAND_ReadPageComp(u32 PageNum,u16 ColNum,u32 CmpVal,u16 NumByteToRead,u16 *NumByteEqual)
{
u16 i=0;
u8 res=0;
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_AREA_A;
//<2F><><EFBFBD>͵<EFBFBD>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)ColNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(ColNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)PageNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(PageNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(PageNum>>16);
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_AREA_TRUE1;
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>ǵȴ<C7B5>R/B<><42><EFBFBD>ű<EFBFBD>Ϊ<EFBFBD>͵<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>õģ<C3B5><C4A3>ȴ<EFBFBD>NAND<4E><44><EFBFBD><EFBFBD>R/B<><42><EFBFBD>š<EFBFBD><C5A1><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
//<2F><>STM32<33><32>NWAIT<49><54><EFBFBD><EFBFBD>(NAND<4E><44>R/B<><42><EFBFBD><EFBFBD>)<29><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>ͨIO<49><4F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD>ȡNWAIT<49><54><EFBFBD>ŵĵ<C5B5>ƽ<EFBFBD><C6BD><EFBFBD>ж<EFBFBD>NAND<4E>Ƿ<EFBFBD>׼<EFBFBD><D7BC>
//<2F><><EFBFBD><EFBFBD><EFBFBD>ġ<EFBFBD><C4A1><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶȺܿ<C8BA><DCBF><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>п<EFBFBD><D0BF><EFBFBD>NAND<4E><44>û<EFBFBD><C3BB><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD>R/B<><42><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾNAND<4E><44>æ
//<2F><>״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǾͶ<C7BE>ȡ<EFBFBD><C8A1>R/B<><42><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>϶<EFBFBD><CFB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD>ʵ<EFBFBD><CAB5>ȷʵ<C8B7>ǻ<EFBFBD><C7BB><EFBFBD><EFBFBD><EFBFBD>!<21><><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD>뻻<EFBFBD><EBBBBB><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>,ֻ<><D6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
res=NAND_WaitRB(0); //<2F>ȴ<EFBFBD>RB=0
if(res)return NSTA_TIMEOUT; //<2F><>ʱ<EFBFBD>˳<EFBFBD>
//<2F><><EFBFBD><EFBFBD>2<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>NAND<4E>Ƿ<EFBFBD>׼<EFBFBD><D7BC><EFBFBD>õ<EFBFBD>
res=NAND_WaitRB(1); //<2F>ȴ<EFBFBD>RB=1
if(res)return NSTA_TIMEOUT; //<2F><>ʱ<EFBFBD>˳<EFBFBD>
for(i=0;i<NumByteToRead;i++)//<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>,ÿ<>ζ<EFBFBD>4<EFBFBD>ֽ<EFBFBD>
{
if(*(vu32*)NAND_ADDRESS!=CmpVal)break; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>һ<EFBFBD><D2BB>ֵ,<2C><>CmpVal<61><6C><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD>˳<EFBFBD>.
}
*NumByteEqual=i; //<2F><>CmpValֵ<6C><D6B5>ͬ<EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD>
if(NAND_WaitForReady()!=NSTA_READY)return NSTA_ERROR;//ʧ<><CAA7>
return 0; //<2F>ɹ<EFBFBD>
}
//<2F><>NANDһҳ<D2BB><D2B3>д<EFBFBD><D0B4>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>ֽڵ<D6BD><DAB5><EFBFBD><EFBFBD><EFBFBD>(main<69><6E><EFBFBD><EFBFBD>spare<72><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ô˺<C3B4><CBBA><EFBFBD>)
//PageNum:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//ColNum:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>п<EFBFBD>ʼ<EFBFBD><CABC>ַ(Ҳ<><D2B2><EFBFBD><EFBFBD>ҳ<EFBFBD>ڵ<EFBFBD>ַ),<2C><>Χ:0~(page_totalsize-1)
//pBbuffer:ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD>ݴ洢<DDB4><E6B4A2>
//NumByteToWrite:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD>ܳ<EFBFBD><DCB3><EFBFBD><EFBFBD><EFBFBD>ҳʣ<D2B3><CAA3><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 NAND_WritePage(u32 PageNum,u16 ColNum,u8 *pBuffer,u16 NumByteToWrite)
{
vu16 i=0;
u8 res=0;
u8 eccnum=0; //<2F><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECC<43><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿNAND_ECC_SECTOR_SIZE<5A>ֽڼ<D6BD><DABC><EFBFBD>һ<EFBFBD><D2BB>ecc
u8 eccstart=0; //<2F><>һ<EFBFBD><D2BB>ECCֵ<43><D6B5><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><D6B7>Χ
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_WRITE0;
//<2F><><EFBFBD>͵<EFBFBD>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)ColNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(ColNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)PageNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(PageNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(PageNum>>16);
NAND_Delay(NAND_TADL_DELAY);//<2F>ȴ<EFBFBD>tADL
if(NumByteToWrite%NAND_ECC_SECTOR_SIZE)//<2F><><EFBFBD><EFBFBD>NAND_ECC_SECTOR_SIZE<5A><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECCУ<43><D0A3>
{
for(i=0;i<NumByteToWrite;i++) //д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
*(vu8*)NAND_ADDRESS=*(vu8*)pBuffer++;
}
}else
{
eccnum=NumByteToWrite/NAND_ECC_SECTOR_SIZE; //<2F>õ<EFBFBD>ecc<63><63><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
eccstart=ColNum/NAND_ECC_SECTOR_SIZE;
for(res=0;res<eccnum;res++)
{
FMC_Bank2_3->PCR3|=1<<6; //ʹ<><CAB9>ECCУ<43><D0A3>
for(i=0;i<NAND_ECC_SECTOR_SIZE;i++) //д<><D0B4>NAND_ECC_SECTOR_SIZE<5A><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
*(vu8*)NAND_ADDRESS=*(vu8*)pBuffer++;
}
while(!(FMC_Bank2_3->SR3&(1<<6))); //<2F>ȴ<EFBFBD>FIFO<46><4F>
nand_dev.ecc_hdbuf[res+eccstart]=FMC_Bank2_3->ECCR3; //<2F><>ȡӲ<C8A1><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECCֵ
FMC_Bank2_3->PCR3&=~(1<<6); //<2F><>ֹECCУ<43><D0A3>
}
i=nand_dev.page_mainsize+0X10+eccstart*4; //<2F><><EFBFBD><EFBFBD>д<EFBFBD><D0B4>ECC<43><43>spare<72><65><EFBFBD><EFBFBD>ַ
NAND_Delay(NAND_TADL_DELAY);//<2F>ȴ<EFBFBD>tADL
*(vu8*)(NAND_ADDRESS|NAND_CMD)=0X85; //<2F><><EFBFBD><EFBFBD>дָ<D0B4><D6B8>
//<2F><><EFBFBD>͵<EFBFBD>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)i;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(i>>8);
NAND_Delay(NAND_TADL_DELAY);//<2F>ȴ<EFBFBD>tADL
pBuffer=(u8*)&nand_dev.ecc_hdbuf[eccstart];
for(i=0;i<eccnum;i++) //д<><D0B4>ECC
{
for(res=0;res<4;res++)
{
*(vu8*)NAND_ADDRESS=*(vu8*)pBuffer++;
}
}
}
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_WRITE_TURE1;
delay_us(NAND_TPROG_DELAY); //<2F>ȴ<EFBFBD>tPROG
if(NAND_WaitForReady()!=NSTA_READY)return NSTA_ERROR;//ʧ<><CAA7>
return 0;//<2F>ɹ<EFBFBD>
}
//<2F><>NANDһҳ<D2BB>е<EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>ʼ,д<><D0B4>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>ȵĺ㶨<C4BA><E3B6A8><EFBFBD><EFBFBD>
//PageNum:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//ColNum:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>п<EFBFBD>ʼ<EFBFBD><CABC>ַ(Ҳ<><D2B2><EFBFBD><EFBFBD>ҳ<EFBFBD>ڵ<EFBFBD>ַ),<2C><>Χ:0~(page_totalsize-1)
//cval:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//NumByteToWrite:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><>4<EFBFBD>ֽ<EFBFBD>Ϊ<EFBFBD><CEAA>λ)
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 NAND_WritePageConst(u32 PageNum,u16 ColNum,u32 cval,u16 NumByteToWrite)
{
u16 i=0;
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_WRITE0;
//<2F><><EFBFBD>͵<EFBFBD>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)ColNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(ColNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)PageNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(PageNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(PageNum>>16);
NAND_Delay(NAND_TADL_DELAY);//<2F>ȴ<EFBFBD>tADL
for(i=0;i<NumByteToWrite;i++) //д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,ÿ<><C3BF>д4<D0B4>ֽ<EFBFBD>
{
*(vu32*)NAND_ADDRESS=cval;
}
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_WRITE_TURE1;
delay_us(NAND_TPROG_DELAY); //<2F>ȴ<EFBFBD>tPROG
if(NAND_WaitForReady()!=NSTA_READY)return NSTA_ERROR;//ʧ<><CAA7>
return 0;//<2F>ɹ<EFBFBD>
}
//<2F><>һҳ<D2BB><D2B3><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һҳ,<2C><>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//ע<><D7A2>:Դҳ<D4B4><D2B3>Ŀ<EFBFBD><C4BF>ҳҪ<D2B3><D2AA>ͬһ<CDAC><D2BB>Plane<6E>ڣ<EFBFBD>
//Source_PageNo:Դҳ<D4B4><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//Dest_PageNo:Ŀ<><C4BF>ҳ<EFBFBD><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 NAND_CopyPageWithoutWrite(u32 Source_PageNum,u32 Dest_PageNum)
{
u8 res=0;
u16 source_block=0,dest_block=0;
//<2F>ж<EFBFBD>Դҳ<D4B4><D2B3>Ŀ<EFBFBD><C4BF>ҳ<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ͬһ<CDAC><D2BB>plane<6E><65>
source_block=Source_PageNum/nand_dev.block_pagenum;
dest_block=Dest_PageNum/nand_dev.block_pagenum;
if((source_block%2)!=(dest_block%2))return NSTA_ERROR; //<2F><><EFBFBD><EFBFBD>ͬһ<CDAC><D2BB>plane<6E><65>
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_MOVEDATA_CMD0; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0X00
//<2F><><EFBFBD><EFBFBD>Դҳ<D4B4><D2B3>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)0;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)0;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)Source_PageNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(Source_PageNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(Source_PageNum>>16);
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_MOVEDATA_CMD1;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0X35
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>ǵȴ<C7B5>R/B<><42><EFBFBD>ű<EFBFBD>Ϊ<EFBFBD>͵<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>õģ<C3B5><C4A3>ȴ<EFBFBD>NAND<4E><44><EFBFBD><EFBFBD>R/B<><42><EFBFBD>š<EFBFBD><C5A1><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
//<2F><>STM32<33><32>NWAIT<49><54><EFBFBD><EFBFBD>(NAND<4E><44>R/B<><42><EFBFBD><EFBFBD>)<29><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>ͨIO<49><4F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD>ȡNWAIT<49><54><EFBFBD>ŵĵ<C5B5>ƽ<EFBFBD><C6BD><EFBFBD>ж<EFBFBD>NAND<4E>Ƿ<EFBFBD>׼<EFBFBD><D7BC>
//<2F><><EFBFBD><EFBFBD><EFBFBD>ġ<EFBFBD><C4A1><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶȺܿ<C8BA><DCBF><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>п<EFBFBD><D0BF><EFBFBD>NAND<4E><44>û<EFBFBD><C3BB><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD>R/B<><42><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾNAND<4E><44>æ
//<2F><>״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǾͶ<C7BE>ȡ<EFBFBD><C8A1>R/B<><42><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>϶<EFBFBD><CFB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD>ʵ<EFBFBD><CAB5>ȷʵ<C8B7>ǻ<EFBFBD><C7BB><EFBFBD><EFBFBD><EFBFBD>!<21><><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD>뻻<EFBFBD><EBBBBB><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>,ֻ<><D6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
res=NAND_WaitRB(0); //<2F>ȴ<EFBFBD>RB=0
if(res)return NSTA_TIMEOUT; //<2F><>ʱ<EFBFBD>˳<EFBFBD>
//<2F><><EFBFBD><EFBFBD>2<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>NAND<4E>Ƿ<EFBFBD>׼<EFBFBD><D7BC><EFBFBD>õ<EFBFBD>
res=NAND_WaitRB(1); //<2F>ȴ<EFBFBD>RB=1
if(res)return NSTA_TIMEOUT; //<2F><>ʱ<EFBFBD>˳<EFBFBD>
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_MOVEDATA_CMD2; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0X85
//<2F><><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF>ҳ<EFBFBD><D2B3>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)0;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)0;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)Dest_PageNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(Dest_PageNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(Dest_PageNum>>16);
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_MOVEDATA_CMD3; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0X10
delay_us(NAND_TPROG_DELAY); //<2F>ȴ<EFBFBD>tPROG
if(NAND_WaitForReady()!=NSTA_READY)return NSTA_ERROR; //NANDδ׼<CEB4><D7BC><EFBFBD><EFBFBD>
return 0;//<2F>ɹ<EFBFBD>
}
//<2F><>һҳ<D2BB><D2B3><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һҳ,<2C><><EFBFBD>ҿ<EFBFBD><D2BF><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//ע<><D7A2>:Դҳ<D4B4><D2B3>Ŀ<EFBFBD><C4BF>ҳҪ<D2B3><D2AA>ͬһ<CDAC><D2BB>Plane<6E>ڣ<EFBFBD>
//Source_PageNo:Դҳ<D4B4><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//Dest_PageNo:Ŀ<><C4BF>ҳ<EFBFBD><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//ColNo:ҳ<><D2B3><EFBFBD>е<EFBFBD>ַ,<2C><>Χ:0~(page_totalsize-1)
//pBuffer:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//NumByteToWrite:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݸ<EFBFBD><DDB8><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 NAND_CopyPageWithWrite(u32 Source_PageNum,u32 Dest_PageNum,u16 ColNum,u8 *pBuffer,u16 NumByteToWrite)
{
u8 res=0;
vu16 i=0;
u16 source_block=0,dest_block=0;
u8 eccnum=0; //<2F><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECC<43><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿNAND_ECC_SECTOR_SIZE<5A>ֽڼ<D6BD><DABC><EFBFBD>һ<EFBFBD><D2BB>ecc
u8 eccstart=0; //<2F><>һ<EFBFBD><D2BB>ECCֵ<43><D6B5><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><D6B7>Χ
//<2F>ж<EFBFBD>Դҳ<D4B4><D2B3>Ŀ<EFBFBD><C4BF>ҳ<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ͬһ<CDAC><D2BB>plane<6E><65>
source_block=Source_PageNum/nand_dev.block_pagenum;
dest_block=Dest_PageNum/nand_dev.block_pagenum;
if((source_block%2)!=(dest_block%2))return NSTA_ERROR;//<2F><><EFBFBD><EFBFBD>ͬһ<CDAC><D2BB>plane<6E><65>
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_MOVEDATA_CMD0; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0X00
//<2F><><EFBFBD><EFBFBD>Դҳ<D4B4><D2B3>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)0;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)0;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)Source_PageNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(Source_PageNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(Source_PageNum>>16);
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_MOVEDATA_CMD1; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0X35
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>ǵȴ<C7B5>R/B<><42><EFBFBD>ű<EFBFBD>Ϊ<EFBFBD>͵<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>õģ<C3B5><C4A3>ȴ<EFBFBD>NAND<4E><44><EFBFBD><EFBFBD>R/B<><42><EFBFBD>š<EFBFBD><C5A1><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>
//<2F><>STM32<33><32>NWAIT<49><54><EFBFBD><EFBFBD>(NAND<4E><44>R/B<><42><EFBFBD><EFBFBD>)<29><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>ͨIO<49><4F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD>ȡNWAIT<49><54><EFBFBD>ŵĵ<C5B5>ƽ<EFBFBD><C6BD><EFBFBD>ж<EFBFBD>NAND<4E>Ƿ<EFBFBD>׼<EFBFBD><D7BC>
//<2F><><EFBFBD><EFBFBD><EFBFBD>ġ<EFBFBD><C4A1><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶȺܿ<C8BA><DCBF><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>п<EFBFBD><D0BF><EFBFBD>NAND<4E><44>û<EFBFBD><C3BB><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD>R/B<><42><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾNAND<4E><44>æ
//<2F><>״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǾͶ<C7BE>ȡ<EFBFBD><C8A1>R/B<><42><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>϶<EFBFBD><CFB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD>ʵ<EFBFBD><CAB5>ȷʵ<C8B7>ǻ<EFBFBD><C7BB><EFBFBD><EFBFBD><EFBFBD>!<21><><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD>뻻<EFBFBD><EBBBBB><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>,ֻ<><D6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
res=NAND_WaitRB(0); //<2F>ȴ<EFBFBD>RB=0
if(res)return NSTA_TIMEOUT; //<2F><>ʱ<EFBFBD>˳<EFBFBD>
//<2F><><EFBFBD><EFBFBD>2<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>NAND<4E>Ƿ<EFBFBD>׼<EFBFBD><D7BC><EFBFBD>õ<EFBFBD>
res=NAND_WaitRB(1); //<2F>ȴ<EFBFBD>RB=1
if(res)return NSTA_TIMEOUT; //<2F><>ʱ<EFBFBD>˳<EFBFBD>
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_MOVEDATA_CMD2; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0X85
//<2F><><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF>ҳ<EFBFBD><D2B3>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)ColNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(ColNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)Dest_PageNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(Dest_PageNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(Dest_PageNum>>16);
//<2F><><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD>е<EFBFBD>ַ
NAND_Delay(NAND_TADL_DELAY);//<2F>ȴ<EFBFBD>tADL
if(NumByteToWrite%NAND_ECC_SECTOR_SIZE)//<2F><><EFBFBD><EFBFBD>NAND_ECC_SECTOR_SIZE<5A><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECCУ<43><D0A3>
{
for(i=0;i<NumByteToWrite;i++) //д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
*(vu8*)NAND_ADDRESS=*(vu8*)pBuffer++;
}
}else
{
eccnum=NumByteToWrite/NAND_ECC_SECTOR_SIZE; //<2F>õ<EFBFBD>ecc<63><63><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
eccstart=ColNum/NAND_ECC_SECTOR_SIZE;
for(res=0;res<eccnum;res++)
{
FMC_Bank2_3->PCR3|=1<<6; //ʹ<><CAB9>ECCУ<43><D0A3>
for(i=0;i<NAND_ECC_SECTOR_SIZE;i++) //д<><D0B4>NAND_ECC_SECTOR_SIZE<5A><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
*(vu8*)NAND_ADDRESS=*(vu8*)pBuffer++;
}
while(!(FMC_Bank2_3->SR3&(1<<6))); //<2F>ȴ<EFBFBD>FIFO<46><4F>
nand_dev.ecc_hdbuf[res+eccstart]=FMC_Bank2_3->ECCR3; //<2F><>ȡӲ<C8A1><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECCֵ
FMC_Bank2_3->PCR3&=~(1<<6); //<2F><>ֹECCУ<43><D0A3>
}
i=nand_dev.page_mainsize+0X10+eccstart*4; //<2F><><EFBFBD><EFBFBD>д<EFBFBD><D0B4>ECC<43><43>spare<72><65><EFBFBD><EFBFBD>ַ
NAND_Delay(NAND_TADL_DELAY);//<2F>ȴ<EFBFBD>tADL
*(vu8*)(NAND_ADDRESS|NAND_CMD)=0X85; //<2F><><EFBFBD><EFBFBD>дָ<D0B4><D6B8>
//<2F><><EFBFBD>͵<EFBFBD>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)i;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(i>>8);
NAND_Delay(NAND_TADL_DELAY);//<2F>ȴ<EFBFBD>tADL
pBuffer=(u8*)&nand_dev.ecc_hdbuf[eccstart];
for(i=0;i<eccnum;i++) //д<><D0B4>ECC
{
for(res=0;res<4;res++)
{
*(vu8*)NAND_ADDRESS=*(vu8*)pBuffer++;
}
}
}
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_MOVEDATA_CMD3; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0X10
delay_us(NAND_TPROG_DELAY); //<2F>ȴ<EFBFBD>tPROG
if(NAND_WaitForReady()!=NSTA_READY)return NSTA_ERROR; //ʧ<><CAA7>
return 0; //<2F>ɹ<EFBFBD>
}
//<2F><>ȡspare<72><65><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>
//PageNum:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//ColNum:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD>spare<72><65><EFBFBD><EFBFBD>ַ(spare<72><65><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD>ַ),<2C><>Χ:0~(page_sparesize-1)
//pBuffer:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
//NumByteToRead:Ҫ<><D2AA>ȡ<EFBFBD><C8A1><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>page_sparesize)
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 NAND_ReadSpare(u32 PageNum,u16 ColNum,u8 *pBuffer,u16 NumByteToRead)
{
u8 temp=0;
u8 remainbyte=0;
remainbyte=nand_dev.page_sparesize-ColNum;
if(NumByteToRead>remainbyte) NumByteToRead=remainbyte; //ȷ<><C8B7>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>spareʣ<65><CAA3><EFBFBD>Ĵ<EFBFBD>С
temp=NAND_ReadPage(PageNum,ColNum+nand_dev.page_mainsize,pBuffer,NumByteToRead);//<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
return temp;
}
//<2F><>spare<72><65><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
//PageNum:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>ַ,<2C><>Χ:0~(block_pagenum*block_totalnum-1)
//ColNum:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD>spare<72><65><EFBFBD><EFBFBD>ַ(spare<72><65><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD>ַ),<2C><>Χ:0~(page_sparesize-1)
//pBuffer:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ
//NumByteToWrite:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>page_sparesize)
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,ʧ<><CAA7>
u8 NAND_WriteSpare(u32 PageNum,u16 ColNum,u8 *pBuffer,u16 NumByteToWrite)
{
u8 temp=0;
u8 remainbyte=0;
remainbyte=nand_dev.page_sparesize-ColNum;
if(NumByteToWrite>remainbyte) NumByteToWrite=remainbyte; //ȷ<><C8B7>Ҫ<EFBFBD><D2AA>ȡ<EFBFBD><C8A1><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>spareʣ<65><CAA3><EFBFBD>Ĵ<EFBFBD>С
temp=NAND_WritePage(PageNum,ColNum+nand_dev.page_mainsize,pBuffer,NumByteToWrite);//<2F><>ȡ
return temp;
}
//<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
//BlockNum:Ҫ<><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>BLOCK<43><4B><EFBFBD><EFBFBD>,<2C><>Χ:0-(block_totalnum-1)
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C><><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>
// <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
u8 NAND_EraseBlock(u32 BlockNum)
{
if(nand_dev.id==MT29F16G08ABABA)BlockNum<<=7; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַת<D6B7><D7AA>Ϊҳ<CEAA><D2B3>ַ
else if(nand_dev.id==MT29F4G08ABADA)BlockNum<<=6;
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_ERASE0;
//<2F><><EFBFBD>Ϳ<EFBFBD><CDBF><EFBFBD>ַ
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)BlockNum;
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(BlockNum>>8);
*(vu8*)(NAND_ADDRESS|NAND_ADDR)=(u8)(BlockNum>>16);
*(vu8*)(NAND_ADDRESS|NAND_CMD)=NAND_ERASE1;
delay_ms(NAND_TBERS_DELAY); //<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>
if(NAND_WaitForReady()!=NSTA_READY)return NSTA_ERROR;//ʧ<><CAA7>
return 0; //<2F>ɹ<EFBFBD>
}
//ȫƬ<C8AB><C6AC><EFBFBD><EFBFBD>NAND FLASH
void NAND_EraseChip(void)
{
u8 status;
u16 i=0;
for(i=0;i<nand_dev.block_totalnum;i++) //ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĿ<D0B5>
{
status=NAND_EraseBlock(i);
if(status)printf("Erase %d block fail!!<21><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ%d\r\n",i,status);//<2F><><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>
}
}
//<2F><>ȡECC<43><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ/ż<><C5BC>λ
//oe:0,ż<><C5BC>λ
// 1,<2C><><EFBFBD><EFBFBD>λ
//eccval:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>eccֵ
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>eccֵ(<28><><EFBFBD><EFBFBD>16λ)
u16 NAND_ECC_Get_OE(u8 oe,u32 eccval)
{
u8 i;
u16 ecctemp=0;
for(i=0;i<24;i++)
{
if((i%2)==oe)
{
if((eccval>>i)&0X01)ecctemp+=1<<(i>>1);
}
}
return ecctemp;
}
//ECCУ<43><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//eccrd:<3A><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>,ԭ<><D4AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECCֵ
//ecccl:<3A><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>ʱ,Ӳ<><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECCֻ
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>,ECC<43><43><EFBFBD><EFBFBD>(<28>д<EFBFBD><D0B4><EFBFBD>2<EFBFBD><32>bit<69>Ĵ<EFBFBD><C4B4><EFBFBD>,<2C>޷<EFBFBD><DEB7>ָ<EFBFBD>)
u8 NAND_ECC_Correction(u8* data_buf,u32 eccrd,u32 ecccl)
{
u16 eccrdo,eccrde,eccclo,ecccle;
u16 eccchk=0;
u16 errorpos=0;
u32 bytepos=0;
eccrdo=NAND_ECC_Get_OE(1,eccrd); //<2F><>ȡeccrd<72><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
eccrde=NAND_ECC_Get_OE(0,eccrd); //<2F><>ȡeccrd<72><64>ż<EFBFBD><C5BC>λ
eccclo=NAND_ECC_Get_OE(1,ecccl); //<2F><>ȡecccl<63><6C><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
ecccle=NAND_ECC_Get_OE(0,ecccl); //<2F><>ȡecccl<63><6C>ż<EFBFBD><C5BC>λ
eccchk=eccrdo^eccrde^eccclo^ecccle;
if(eccchk==0XFFF) //ȫ1,˵<><CBB5>ֻ<EFBFBD><D6BB>1bit ECC<43><43><EFBFBD><EFBFBD>
{
errorpos=eccrdo^eccclo;
printf("errorpos:%d\r\n",errorpos);
bytepos=errorpos/8;
data_buf[bytepos]^=1<<(errorpos%8);
}else //<2F><><EFBFBD><EFBFBD>ȫ1,˵<><CBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2bit ECC<43><43><EFBFBD><EFBFBD>,<2C>޷<EFBFBD><DEB7>޸<EFBFBD>
{
printf("2bit ecc error or more\r\n");
return 1;
}
return 0;
}

145
HARDWARE/NAND/nand.h Normal file
View File

@@ -0,0 +1,145 @@
#ifndef _NAND_H
#define _NAND_H
#include "sys.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//NAND FLASH <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2016/1/15
//<2F>汾<EFBFBD><E6B1BE>V1.5
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2014-2024
//All rights reserved
//********************************************************************************
//<2F><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>
//V1.1 20160520
//1,<2C><><EFBFBD><EFBFBD>Ӳ<EFBFBD><D3B2>ECC֧<43><D6A7>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>NAND_ECC_SECTOR_SIZE<5A><45>СΪ<D0A1><CEAA>λ<EFBFBD><CEBB><EFBFBD>ж<EFBFBD>дʱ<D0B4><CAB1><EFBFBD><EFBFBD>)
//2,<2C><><EFBFBD><EFBFBD>NAND_Delay<61><79><EFBFBD><EFBFBD>,<2C><><EFBFBD>ڵȴ<DAB5>tADL/tWHR
//3,<2C><><EFBFBD><EFBFBD>NAND_WritePageConst<73><74><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѱ<EFBFBD><D1B0><EFBFBD><EFBFBD>.
//V1.2 20160525
//1,ȥ<><C8A5>NAND_SEC_SIZE<5A>궨<EFBFBD>壬<EFBFBD><E5A3AC>NAND_ECC_SECTOR_SIZE<5A><45><EFBFBD><EFBFBD>
//2,ȥ<><C8A5>nand_dev<65>ṹ<EFBFBD><E1B9B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>secbufָ<66>룬<EFBFBD>ò<EFBFBD><C3B2><EFBFBD>
//V1.3 20160907
//1,<2C><><EFBFBD><EFBFBD>NAND_TADL_DELAY<41><59>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>tADL<44><4C><EFBFBD>ӳ<EFBFBD>ʱ<EFBFBD><CAB1>,<2C><><EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD>
//V1.4 20180321
//1,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>H27U4G8F2EоƬ<D0BE><C6AC>֧<EFBFBD><D6A7>
//2,<2C>޸<EFBFBD>MEMSET/MEMHOLD/MEMHIZ<49><5A><EFBFBD><EFBFBD>ʱ,<2C><>֧<EFBFBD><D6A7>H27U4G08F2E.
//V1.5 20180531
//1.<2E><><EFBFBD><EFBFBD>NAND_TWHR_DELAY/NAND_TRHW_DELAY/NAND_TPROG_DELAY/NAND_TBERS_DELAY<41>ĸ<EFBFBD><C4B8><EFBFBD>ʱ,<2C><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>
//2.<2E><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ms<6D><73><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>ʱ<EFBFBD>䲻<EFBFBD><E4B2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD>ɳ<EFBFBD><C9B3><EFBFBD>
//////////////////////////////////////////////////////////////////////////////////
#define NAND_MAX_PAGE_SIZE 4096 //<2F><><EFBFBD><EFBFBD>NAND FLASH<53><48><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>PAGE<47><45>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SPARE<52><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC>4096<39>ֽ<EFBFBD>
#define NAND_ECC_SECTOR_SIZE 512 //ִ<><D6B4>ECC<43><43><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>Ԫ<EFBFBD><D4AA>С<EFBFBD><D0A1>Ĭ<EFBFBD><C4AC>512<31>ֽ<EFBFBD>
//NAND FLASH<53><48><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
#define NAND_TADL_DELAY 30 //tADL<44>ȴ<EFBFBD><C8B4>ӳ<EFBFBD>,<2C><><EFBFBD><EFBFBD>70ns
#define NAND_TWHR_DELAY 25 //tWHR<48>ȴ<EFBFBD><C8B4>ӳ<EFBFBD>,<2C><><EFBFBD><EFBFBD>60ns
#define NAND_TRHW_DELAY 35 //tRHW<48>ȴ<EFBFBD><C8B4>ӳ<EFBFBD>,<2C><><EFBFBD><EFBFBD>100ns
#define NAND_TPROG_DELAY 200 //tPROG<4F>ȴ<EFBFBD><C8B4>ӳ<EFBFBD>,<2C><><EFBFBD><EFBFBD>ֵ200us,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ700us
#define NAND_TBERS_DELAY 4 //tBERS<52>ȴ<EFBFBD><C8B4>ӳ<EFBFBD>,<2C><><EFBFBD><EFBFBD>ֵ3.5ms,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ10ms
//NAND<4E><44><EFBFBD>Խṹ<D4BD><E1B9B9>
typedef struct
{
u16 page_totalsize; //ÿҳ<C3BF>ܴ<EFBFBD>С<EFBFBD><D0A1>main<69><6E><EFBFBD><EFBFBD>spare<72><65><EFBFBD>ܺ<EFBFBD>
u16 page_mainsize; //ÿҳ<C3BF><D2B3>main<69><6E><EFBFBD><EFBFBD>С
u16 page_sparesize; //ÿҳ<C3BF><D2B3>spare<72><65><EFBFBD><EFBFBD>С
u8 block_pagenum; //ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD><EFBFBD>
u16 plane_blocknum; //ÿ<><C3BF>plane<6E><65><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>
u16 block_totalnum; //<2F>ܵĿ<DCB5><C4BF><EFBFBD><EFBFBD><EFBFBD>
u16 good_blocknum; //<2F>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD>
u16 valid_blocknum; //<2F><>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD>ļ<EFBFBD>ϵͳʹ<CDB3>õĺÿ<C4BA><C3BF><EFBFBD><EFBFBD><EFBFBD>)
u32 id; //NAND FLASH ID
u16 *lut; //LUT<55><54><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>
u32 ecc_hard; //Ӳ<><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ECCֵ
u32 ecc_hdbuf[NAND_MAX_PAGE_SIZE/NAND_ECC_SECTOR_SIZE];//ECCӲ<43><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u32 ecc_rdbuf[NAND_MAX_PAGE_SIZE/NAND_ECC_SECTOR_SIZE];//ECC<43><43>ȡ<EFBFBD><C8A1>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}nand_attriute;
extern nand_attriute nand_dev; //nand<6E><64>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD>ṹ<EFBFBD><E1B9B9>
#define NAND_RB PDin(6) //NAND Flash<73><68><EFBFBD><EFBFBD>/æ<><C3A6><EFBFBD><EFBFBD>
#define NAND_ADDRESS 0X80000000 //nand flash<73>ķ<EFBFBD><C4B7>ʵ<EFBFBD>ַ,<2C><>NCE3,<2C><>ַΪ:0X8000 0000
#define NAND_CMD 1<<16 //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
#define NAND_ADDR 1<<17 //<2F><><EFBFBD>͵<EFBFBD>ַ
//NAND FLASH<53><48><EFBFBD><EFBFBD>
#define NAND_READID 0X90 //<2F><>IDָ<44><D6B8>
#define NAND_FEATURE 0XEF //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
#define NAND_RESET 0XFF //<2F><>λNAND
#define NAND_READSTA 0X70 //<2F><>״̬
#define NAND_AREA_A 0X00
#define NAND_AREA_TRUE1 0X30
#define NAND_WRITE0 0X80
#define NAND_WRITE_TURE1 0X10
#define NAND_ERASE0 0X60
#define NAND_ERASE1 0XD0
#define NAND_MOVEDATA_CMD0 0X00
#define NAND_MOVEDATA_CMD1 0X35
#define NAND_MOVEDATA_CMD2 0X85
#define NAND_MOVEDATA_CMD3 0X10
//NAND FLASH״̬
#define NSTA_READY 0X40 //nand<6E>Ѿ<EFBFBD>׼<EFBFBD><D7BC><EFBFBD><EFBFBD>
#define NSTA_ERROR 0X01 //nand<6E><64><EFBFBD><EFBFBD>
#define NSTA_TIMEOUT 0X02 //<2F><>ʱ
#define NSTA_ECC1BITERR 0X03 //ECC 1bit<69><74><EFBFBD><EFBFBD>
#define NSTA_ECC2BITERR 0X04 //ECC 2bit<69><74><EFBFBD>ϴ<EFBFBD><CFB4><EFBFBD>
//NAND FLASH<53>ͺźͶ<C5BA>Ӧ<EFBFBD><D3A6>ID<49><44>
#define MT29F4G08ABADA 0XDC909556 //MT29F4G08ABADA
#define MT29F16G08ABABA 0X48002689 //MT29F16G08ABABA
u8 NAND_Init(void);
u8 NAND_ModeSet(u8 mode);
u32 NAND_ReadID(void);
u8 NAND_ReadStatus(void);
u8 NAND_WaitForReady(void);
u8 NAND_Reset(void);
u8 NAND_WaitRB(vu8 rb);
void NAND_Delay(vu32 i);
u8 NAND_ReadPage(u32 PageNum,u16 ColNum,u8 *pBuffer,u16 NumByteToRead);
u8 NAND_ReadPageComp(u32 PageNum,u16 ColNum,u32 CmpVal,u16 NumByteToRead,u16 *NumByteEqual);
u8 NAND_WritePage(u32 PageNum,u16 ColNum,u8 *pBuffer,u16 NumByteToWrite);
u8 NAND_WritePageConst(u32 PageNum,u16 ColNum,u32 cval,u16 NumByteToWrite);
u8 NAND_CopyPageWithoutWrite(u32 Source_PageNum,u32 Dest_PageNum);
u8 NAND_CopyPageWithWrite(u32 Source_PageNum,u32 Dest_PageNum,u16 ColNum,u8 *pBuffer,u16 NumByteToWrite);
u8 NAND_ReadSpare(u32 PageNum,u16 ColNum,u8 *pBuffer,u16 NumByteToRead);
u8 NAND_WriteSpare(u32 PageNum,u16 ColNum,u8 *pBuffer,u16 NumByteToRead);
u8 NAND_EraseBlock(u32 BlockNum);
void NAND_EraseChip(void);
u16 NAND_ECC_Get_OE(u8 oe,u32 eccval);
u8 NAND_ECC_Correction(u8* data_buf,u32 eccrd,u32 ecccl);
#endif

203
HARDWARE/NAND/nandtester.c Normal file
View File

@@ -0,0 +1,203 @@
#include "nandtester.h"
#include "nand.h"
#include "ftl.h"
#include "string.h"
#include "usart.h"
#include "malloc.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//NAND FLASH USMART<52><54><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2016/1/15
//<2F>汾<EFBFBD><E6B1BE>V1.0
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2014-2024
//All rights reserved
//////////////////////////////////////////////////////////////////////////////////
//<2F><>NANDijһҳд<D2B3><D0B4>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//pagenum:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>ַ
//colnum:Ҫд<D2AA><D0B4><EFBFBD>Ŀ<EFBFBD>ʼ<EFBFBD>е<EFBFBD>ַ(ҳ<>ڵ<EFBFBD>ַ)
//writebytes:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>С<EFBFBD><D0A1>MT29F16G<36><47><EFBFBD><EFBFBD>Ϊ4320<32><30>MT29F4G<34><47><EFBFBD><EFBFBD>Ϊ2112
u8 test_writepage(u32 pagenum,u16 colnum,u16 writebytes)
{
u8 *pbuf;
u8 sta=0;
u16 i=0;
pbuf=mymalloc(SRAMIN,5000);
for(i=0;i<writebytes;i++)//׼<><D7BC>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>0<EFBFBD><30>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
{
pbuf[i]=i;
}
sta=NAND_WritePage(pagenum,colnum,pbuf,writebytes); //<2F><>nandд<64><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
myfree(SRAMIN,pbuf); //<2F>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
return sta;
}
//<2F><>ȡNANDijһҳָ<D2B3><D6B8><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//pagenum:Ҫ<><D2AA>ȡ<EFBFBD><C8A1>ҳ<EFBFBD><D2B3>ַ
//colnum:Ҫ<><D2AA>ȡ<EFBFBD>Ŀ<EFBFBD>ʼ<EFBFBD>е<EFBFBD>ַ(ҳ<>ڵ<EFBFBD>ַ)
//readbytes:Ҫ<><D2AA>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>С<EFBFBD><D0A1>MT29F16G<36><47><EFBFBD><EFBFBD>Ϊ4320<32><30>MT29F4G<34><47><EFBFBD><EFBFBD>Ϊ2112
u8 test_readpage(u32 pagenum,u16 colnum,u16 readbytes)
{
u8 *pbuf;
u8 sta=0;
u16 i=0;
pbuf=mymalloc(SRAMIN,5000);
sta=NAND_ReadPage(pagenum,colnum,pbuf,readbytes); //<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
if(sta==0)//<2F><>ȡ<EFBFBD>ɹ<EFBFBD>
{
printf("read page data is:\r\n");
for(i=0;i<readbytes;i++)
{
printf("%x ",pbuf[i]); //<2F><><EFBFBD>ڴ<EFBFBD>ӡ<EFBFBD><D3A1>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
printf("\r\nend\r\n");
}
myfree(SRAMIN,pbuf); //<2F>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
return sta;
}
//<2F><>һҳ<D2BB><D2B3><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һҳ,<2C><>д<EFBFBD><D0B4>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
//ע<><D7A2>:Դҳ<D4B4><D2B3>Ŀ<EFBFBD><C4BF>ҳҪ<D2B3><D2AA>ͬһ<CDAC><D2BB>Plane<6E>ڣ<EFBFBD>(ͬΪ<CDAC><CEAA><EFBFBD><EFBFBD>/ͬΪż<CEAA><C5BC>)
//spnum:Դҳ<D4B4><D2B3>ַ
//epnum:Ŀ<><C4BF>ҳ<EFBFBD><D2B3>ַ
//colnum:Ҫд<D2AA><D0B4><EFBFBD>Ŀ<EFBFBD>ʼ<EFBFBD>е<EFBFBD>ַ(ҳ<>ڵ<EFBFBD>ַ)
//writebytes:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD>ܳ<EFBFBD><DCB3><EFBFBD>ҳ<EFBFBD><D2B3>С
u8 test_copypageandwrite(u32 spnum,u32 dpnum,u16 colnum,u16 writebytes)
{
u8 *pbuf;
u8 sta=0;
u16 i=0;
pbuf=mymalloc(SRAMIN,5000);
for(i=0;i<writebytes;i++)//׼<><D7BC>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>0X80<38><30>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
{
pbuf[i]=i+0X80;
}
sta=NAND_CopyPageWithWrite(spnum,dpnum,colnum,pbuf,writebytes); //<2F><>nandд<64><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
myfree(SRAMIN,pbuf); //<2F>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
return sta;
}
//<2F><>ȡNANDijһҳSpare<72><65>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//pagenum:Ҫ<><D2AA>ȡ<EFBFBD><C8A1>ҳ<EFBFBD><D2B3>ַ
//colnum:Ҫ<><D2AA>ȡ<EFBFBD><C8A1>spare<72><65><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>ַ
//readbytes:Ҫ<><D2AA>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>С<EFBFBD><D0A1>MT29F16G<36><47><EFBFBD><EFBFBD>Ϊ4320<32><30>MT29F4G<34><47><EFBFBD><EFBFBD>Ϊ2112
u8 test_readspare(u32 pagenum,u16 colnum,u16 readbytes)
{
u8 *pbuf;
u8 sta=0;
u16 i=0;
pbuf=mymalloc(SRAMIN,512);
sta=NAND_ReadSpare(pagenum,colnum,pbuf,readbytes); //<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
if(sta==0)//<2F><>ȡ<EFBFBD>ɹ<EFBFBD>
{
printf("read spare data is:\r\n");
for(i=0;i<readbytes;i++)
{
printf("%x ",pbuf[i]); //<2F><><EFBFBD>ڴ<EFBFBD>ӡ<EFBFBD><D3A1>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
printf("\r\nend\r\n");
}
myfree(SRAMIN,pbuf); //<2F>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
return sta;
}
//<2F><>ָ<EFBFBD><D6B8>λ<EFBFBD>ÿ<EFBFBD>ʼ,<2C><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>NAND,ÿ<><C3BF>BLOCK<43>ĵ<EFBFBD>һ<EFBFBD><D2BB>page<67><65>ǰ5<C7B0><35><EFBFBD>ֽ<EFBFBD>
//sblock:ָ<><D6B8><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>block<63><6B><EFBFBD><EFBFBD>
void test_readallblockinfo(u32 sblock)
{
u8 j=0;
u32 i=0;
u8 sta;
u8 buffer[5];
for(i=sblock;i<nand_dev.block_totalnum;i++)
{
printf("block %d info:",i);
sta=NAND_ReadSpare(i*nand_dev.block_pagenum,0,buffer,5);//<2F><>ȡÿ<C8A1><C3BF>block,<2C><>һ<EFBFBD><D2BB>page<67><65>ǰ5<C7B0><35><EFBFBD>ֽ<EFBFBD>
if(sta)printf("failed\r\n");
for(j=0;j<5;j++)
{
printf("%x ",buffer[j]);
}
printf("\r\n");
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
//FTL<54><4C><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>
//<2F><>ij<EFBFBD><C4B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ,д<><D0B4>seccnt<6E><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//secx:<3A><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//secsize:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
//seccnt:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 test_ftlwritesectors(u32 secx,u16 secsize,u16 seccnt)
{
u8 *pbuf;
u8 sta=0;
u32 i=0;
pbuf=mymalloc(SRAMIN,secsize*seccnt);
for(i=0;i<secsize*seccnt;i++) //׼<><D7BC>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>0<EFBFBD><30>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
{
pbuf[i]=i;
}
sta=FTL_WriteSectors(pbuf,secx,secsize,seccnt); //<2F><>nandд<64><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
myfree(SRAMIN,pbuf); //<2F>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
return sta;
}
//<2F><>ij<EFBFBD><C4B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ,<2C><><EFBFBD><EFBFBD>seccnt<6E><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//secx:<3A><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//secsize:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
//seccnt:Ҫ<><D2AA>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 test_ftlreadsectors(u32 secx,u16 secsize,u16 seccnt)
{
u8 *pbuf;
u8 sta=0;
u32 i=0;
pbuf=mymalloc(SRAMIN,secsize*seccnt);
sta=FTL_ReadSectors(pbuf,secx,secsize,seccnt); //<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
if(sta==0)
{
printf("read sec %d data is:\r\n",secx);
for(i=0;i<secsize*seccnt;i++) //׼<><D7BC>Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>0<EFBFBD><30>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
{
printf("%x ",pbuf[i]); //<2F><><EFBFBD>ڴ<EFBFBD>ӡ<EFBFBD><D3A1>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
printf("\r\nend\r\n");
}
myfree(SRAMIN,pbuf); //<2F>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
return sta;
}

25
HARDWARE/NAND/nandtester.h Normal file
View File

@@ -0,0 +1,25 @@
#ifndef __NANDTESTER_H
#define __NANDTESTER_H
#include "sys.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//NAND FLASH USMART<52><54><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2016/1/15
//<2F>汾<EFBFBD><E6B1BE>V1.0
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2014-2024
//All rights reserved
//////////////////////////////////////////////////////////////////////////////////
u8 test_writepage(u32 pagenum,u16 colnum,u16 writebytes);
u8 test_readpage(u32 pagenum,u16 colnum,u16 readbytes);
u8 test_copypageandwrite(u32 spnum,u32 dpnum,u16 colnum,u16 writebytes);
u8 test_readspare(u32 pagenum,u16 colnum,u16 readbytes);
void test_readallblockinfo(u32 sblock);
u8 test_ftlwritesectors(u32 secx,u16 secsize,u16 seccnt);
u8 test_ftlreadsectors(u32 secx,u16 secsize,u16 seccnt);
#endif