2013-01-08 22:40:58 +08:00
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how to use yaffs under rt-thread.
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There are three steps.
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1. get yaffs tarball from official repo.
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the repo of official repo is here.
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http://www.aleph1.co.uk/gitweb?p=yaffs2.git;a=summary
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then you should find the 2011-6-28's snapshot, download the tarball
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http://www.aleph1.co.uk/gitweb?p=yaffs2.git;a=snapshot;h=2df51cdb98e799c4d10b4cc7dd7e8858aa79e7d8;sf=tgz
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decompress the yaffs.tar.gz to rt-thread\components\dfs\filesystems\yaffs2\yaffs
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2. patch yaffs.diff
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open an terminal.
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(1) on windows
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open cmd command prompt, then use [cd] command to come current path
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for example
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F:\Project\svn\rt-thread\components\dfs\filesystems\yaffs2>
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then type command
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patch -p1 < yaffs.diff
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you will get some log information as followings
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F:\Project\svn\rt-thread\components\dfs\filesystems\yaffs2>patch -p1 < yaffs.diff
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patching file `dfs_yaffs2.c'
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patching file `yaffs/direct/yaffs_list.h'
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patching file `yaffs/direct/yaffs_nandif.c'
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patching file `yaffs/direct/ydirectenv.h'
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patching file `yaffs/direct/yportenv.h'
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patching file `yaffs_nandcfg.c'
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patching file `yaffs_osglue.c'
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now you can delete yaffs.diff
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there is another patch file, as the name shows, it is to fix compile
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warning, so it is not necessary. If you want, you can use the
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following command.
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patch -p1 < fixwarning.diff
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(2) on linux
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Help yourself. Since you have use linux as your os, I believe in you.
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3.add nand driver and compile
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In order to use yaffs, you should provide a nand driver which is needed
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by yaffs. There is an example file in rt-thread\components\dfs\filesystems\uffs\nand.
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you should modify yaffs_nandcfg.c according to your nand driver.
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then you can use scons or IDE like MDK or IAR to compile.
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enjoy !
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