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<!-- Copyright (C) 2003 Red Hat, Inc. --><!-- This material may be distributed only subject to the terms --><!-- and conditions set forth in the Open Publication License, v1.0 --><!-- or later (the latest version is presently available at --><!-- http://www.opencontent.org/openpub/). --><!-- Distribution of the work or derivative of the work in any --><!-- standard (paper) book form is prohibited unless prior --><!-- permission is obtained from the copyright holder. --><HTML><HEAD><TITLE>fis write</TITLE><meta name="MSSmartTagsPreventParsing" content="TRUE"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="eCos Reference Manual"HREF="ecos-ref.html"><LINKREL="UP"TITLE="Flash Image System (FIS)"HREF="flash-image-system.html"><LINKREL="PREVIOUS"TITLE="fis erase"HREF="fis-erase-command.html"><LINKREL="NEXT"TITLE="Persistent State Flash-based Configuration and Control"HREF="persistent-state-flash.html"></HEAD><BODYCLASS="REFENTRY"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">eCos Reference Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="fis-erase-command.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="persistent-state-flash.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="FIS-WRITE-COMMAND">fis write</H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN4351"></A><H2>Name</H2>fis write -- Write flash area</DIV><DIVCLASS="REFSYNOPSISDIV"><ANAME="AEN4354"><H2>Synopsis</H2><P><BCLASS="COMMAND">fis write</B> {-b <TTCLASS="REPLACEABLE"><I>mem_address</I></TT>} {-l <TTCLASS="REPLACEABLE"><I>length</I></TT>} {-f <TTCLASS="REPLACEABLE"><I>flash_address</I></TT>}</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN4363"></A><H2>Arguments</H2><DIVCLASS="INFORMALTABLE"><ANAME="AEN4365"><P></P><TABLEBORDER="1"CLASS="CALSTABLE"><THEAD><TR><THWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Name</TH><THWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Type</TH><THWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Description</TH><THWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Default</TH></TR></THEAD><TBODY><TR><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP"><TTCLASS="REPLACEABLE"><I>mem_address</I></TT></TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Number</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Address of data to be written to flash.</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP"> </TD></TR><TR><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP"><TTCLASS="REPLACEABLE"><I>length</I></TT></TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Number</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Length of data to be writtem.</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP"> </TD></TR><TR><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP"><TTCLASS="REPLACEABLE"><I>flash_address</I></TT></TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Number</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Address of flash to write to.</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP"> </TD></TR></TBODY></TABLE><P></P></DIV></DIV><DIVCLASS="REFSECT1"><ANAME="AEN4396"></A><H2>Description</H2><P>This command is used to write data from memory to flash. Thereis no cross-checking to ensure that the area being written to does notcorrespond to an existing image.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN4399"></A><H2>Examples</H2><P>Write an area of data to the flash<TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN">RedBoot> <TTCLASS="USERINPUT"><B>fis write -b 0x0606f000 -l 0x1000 -f 0x00020000</B></TT>* CAUTION * about to program FLASH at 0x00020000..0x0002ffff from 0x0606f000 - continue (y/n)? <TTCLASS="USERINPUT"><B>y</B></TT>... Erase from 0x00020000-0x00030000: .... Program from 0x0606f000-0x0607f000 at 0x00020000: .</PRE></TD></TR></TABLE></P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="fis-erase-command.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ecos-ref.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="persistent-state-flash.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">fis erase</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="flash-image-system.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">Persistent State Flash-based Configuration and Control</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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