YAFFS2 file system has been added support for the new Nand FLASH with 2k bytes pages and strictly sequentia1 page writing order，such as zero rewriting．It is a good realization to manage Nand FIASH in embedded system．The accessory code is the source code of YAFFS2 file system which can be transplant for ucos.

code_road\yaffs2\cflags
.........\......\devextras.h
.........\......\D_Chunk_API.c
.........\......\D_Chunk_API.h
.........\......\includes
.........\......\K9F1208_API.c
.........\......\K9F1208_API.h
.........\......\k9s1208.c
.........\......\mk_depend
.........\......\mk_target
.........\......\moduleconfig.h
.........\......\yaffscfg.h
.........\......\yaffscfg2k.c
.........\......\yaffsfs.c
.........\......\yaffsfs.h
.........\......\yaffsinterface.h
.........\......\yaffs_checkptrw.c
.........\......\yaffs_checkptrw.h
.........\......\yaffs_ecc.c
.........\......\yaffs_ecc.h
.........\......\yaffs_fileem2k.h
.........\......\yaffs_flashif.h
.........\......\yaffs_guts.c
.........\......\yaffs_guts.h
.........\......\yaffs_malloc.h
.........\......\yaffs_nand.c
.........\......\yaffs_nand.h
.........\......\yaffs_nandemul2k.h
.........\......\yaffs_packedtags2.h
.........\......\yaffs_qsort.c
.........\......\yaffs_qsort.h
.........\......\yaffs_ramdisk.h
.........\......\yaffs_tagscompat.c
.........\......\yaffs_tagscompat.h
.........\......\yaffs_tagsvalidity.c
.........\......\yaffs_tagsvalidity.h
.........\......\ydirectenv.h
.........\......\yportenv.h
.........\2410addr.h
.........\CS8900.h
.........\def.h
.........\Message.h
.........\Option.h
.........\Shell.h
.........\SysCall.h
.........\TypeCpu.h
.........\Uart.h
.........\HandleIRQ.c
.........\main.c
.........\Message.c
.........\Shell.c
.........\SysCall.c
.........\Uart.c
.........\target.ld
.........\mk_clean.bat
.........\mk_cr.bat
.........\cflags
.........\includes
.........\mk_depend
.........\mk_target
.........\winarm_path
.........\lwip\api.h
.........\....\api_lib.c
.........\....\api_msg.c
.........\....\api_msg.h
.........\....\arch.h
.........\....\autoip.c
.........\....\autoip.h
.........\....\cc.h
.........\....\cflags
.........\....\CS8900.c
.........\....\debug.h
.........\....\dhcp.c
.........\....\dhcp.h
.........\....\dns.c
.........\....\dns.h
.........\....\err.c
.........\....\err.h
.........\....\etharp.c
.........\....\etharp.h
.........\....\ethernetif.c
.........\....\icmp.c
.........\....\icmp.h
.........\....\igmp.c
.........\....\igmp.h
.........\....\includes
.........\....\inet.c
.........\....\inet.h
.........\....\inet_chksum.c
.........\....\inet_chksum.h
.........\....\init.c
.........\....\init.h
.........\....\ip.c
.........\....\ip.h
.........\....\ip_addr.c
.........\....\ip_addr.h
.........\....\ip_frag.c
.........\....\ip_frag.h
.........\....\loopif.c
.........\....\loopif.h

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