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<title>AT91 Simple project for Evaluation Board</title>
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<o:Created>2004-07-08T11:53:00Z</o:Created>
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<p align=center style='text-align:center'><b><span style='font-size:18.0pt;
mso-bidi-font-size:13.5pt;font-family:Arial;color:#FF6600'>IAR 4.11A
Download Project <u3:p></u3:p></span></b><o:p></o:p></p>
<u3:p></u3:p></div>
<![if !mso]></td>
</tr>
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</tr>
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</span></span><![endif]><span style='font-size:10.0pt'> <u3:p></u3:p></span></p>
<h2><![if !supportEmptyParas]> <![endif]><o:p></o:p></h2>
<u3:p></u3:p>
<h2>Introduction</h2>
<p><span style='font-size:10.0pt'>The goal of this project is to download a
project build under the IAR tools using two methods, a standalone project which
uses the semihosting or the IAR Flash Tools<u3:p></u3:p></span></p>
<h2>Use the IAR 4.11A Flash feature</h2>
<p class=MsoNormal style='margin-bottom:12.0pt'>The IAR Embedded Workench IDE
features a Tools Flash utility.</p>
<p class=MsoNormal><span lang=EN-US style='font-size:14.0pt;mso-bidi-font-size:
12.0pt;mso-ansi-language:EN-US;layout-grid-mode:line'>This method can write in
flash a IAR file format (*.sim) <b>(output format generated using option
simple-code)</b></span></p>
<p class=MsoNormal><span style='mso-bidi-font-size:9.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'>The IAR <b>Flash download </b>option to use a flash loader to download
your application to flash memory. If a flash loader is available for the
selected chip, it will be used as default. A flash loader can be described as
being an agent that is downloaded to the target. It fetches the actual
application from the C-SPY debugger and programs it into flash memory. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'>The flash loader uses the file I/O mechanism to read the application
program from the host. When the <b>Flash download </b>option is enabled, the
following steps will be performed when the debug session starts:<o:p></o:p></span></p>
<p class=MsoNormal><b><span lang=EN-US style='mso-bidi-font-size:10.0pt;
mso-ansi-language:EN-US'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span lang=EN-US style='mso-bidi-font-size:10.0pt;
mso-ansi-language:EN-US'>1 </span></b><span lang=EN-US style='mso-bidi-font-size:
9.0pt;mso-ansi-language:EN-US'>C-SPY downloads the flash loader into target
RAM.<o:p></o:p></span></p>
<p class=MsoNormal><b><span lang=EN-US style='mso-bidi-font-size:10.0pt;
mso-ansi-language:EN-US'>2 </span></b><span lang=EN-US style='mso-bidi-font-size:
9.0pt;mso-ansi-language:EN-US'>C-SPY starts execution of the flash loader.<o:p></o:p></span></p>
<p class=MsoNormal><b><span lang=EN-US style='mso-bidi-font-size:10.0pt;
mso-ansi-language:EN-US'>3 </span></b><span lang=EN-US style='mso-bidi-font-size:
9.0pt;mso-ansi-language:EN-US'>The flash loader opens the file holding the
application code.<o:p></o:p></span></p>
<p class=MsoNormal><b><span lang=EN-US style='mso-bidi-font-size:10.0pt;
mso-ansi-language:EN-US'>4 </span></b><span lang=EN-US style='mso-bidi-font-size:
9.0pt;mso-ansi-language:EN-US'>The flash loader reads the application code and
programs it into flash memory.<o:p></o:p></span></p>
<p class=MsoNormal><b><span lang=EN-US style='mso-bidi-font-size:10.0pt;
mso-ansi-language:EN-US'>5 </span></b><span lang=EN-US style='mso-bidi-font-size:
9.0pt;mso-ansi-language:EN-US'>The flash loader terminates.<o:p></o:p></span></p>
<p class=MsoNormal><b><span lang=EN-US style='mso-bidi-font-size:10.0pt;
mso-ansi-language:EN-US'>6 </span></b><span lang=EN-US style='mso-bidi-font-size:
9.0pt;mso-ansi-language:EN-US'>C-SPY switches context to the user application.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'>A set of flash loaders for various microcontrollers is provided with the
ARM IAR Embedded Workbench. In addition to these, other flash loaders are
provided by chip manufacturers and third-party vendors. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'>Two output files must be generated. The first is the usual UBROF file (</span><span
lang=EN-US style='mso-bidi-font-size:8.0pt;mso-ansi-language:EN-US'>d79</span><span
lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:EN-US'>) that
provides the debugger with debug and symbol information. The second file is an
IAR file (*.</span><span lang=EN-US style='mso-bidi-font-size:8.0pt;mso-ansi-language:
EN-US'>sim</span><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'>) that will be opened and read by the flash loader when downloading the
application to flash memory.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'>To create the extra output file, choose <b>Project->Options </b>and
select the linker category. Select the <b>Allow C-SPY-specific extra output
file </b>option. In the <b>Extra Output </b>dialog, select the <b>Generate
extra output file </b>option. Choose </span><span lang=EN-US style='mso-bidi-font-size:
8.0pt;mso-ansi-language:EN-US'>intel-extended </span><span lang=EN-US
style='mso-bidi-font-size:9.0pt;mso-ansi-language:EN-US'>output format and
format variant <b>None</b>. Do not override the default output file. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='mso-bidi-font-size:9.0pt;mso-ansi-language:
EN-US'>Any errors during the download will be logged to a log file. The log
file will have the same path and name as the output files but with the tail and
filename extension </span><span lang=EN-US style='mso-bidi-font-size:8.0pt;
mso-ansi-language:EN-US'>_flash.log</span><span lang=EN-US style='mso-bidi-font-size:
9.0pt;mso-ansi-language:EN-US'>.</span><span style='layout-grid-mode:line'><o:p></o:p></span></p>
<h2><span style='layout-grid-mode:line'>Process</span>:<span style='layout-grid-mode:
line'><o:p></o:p></span></h2>
<p class=MsoNormal style='margin-left:33.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2;
tab-stops:list 33.0pt'><![if !supportLists]><span style='layout-grid-mode:line'>-<span
style='font:7.0pt "Times New Roman"'>
</span></span><![endif]><span style='layout-grid-mode:line'>Compile the Flash
Debug workspace application to generate the IAR file named basic.sim and the
debug file named basic.d79<o:p></o:p></span></p>
<p class=MsoNormal><span style='layout-grid-mode:line'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6;
tab-stops:list 36.0pt'><![if !supportLists]><span style='layout-grid-mode:line'>1)<span
style='font:7.0pt "Times New Roman"'> </span></span><![endif]><span
style='layout-grid-mode:line'>Download this application using a JTAG ICE
interface with the "Debug" command<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:36.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo6;
tab-stops:list 36.0pt'><![if !supportLists]><span style='layout-grid-mode:line'>2)<span
style='font:7.0pt "Times New Roman"'> </span></span><![endif]><span
style='layout-grid-mode:line'>Open the 揇ebug Log⌨️ 快捷键说明
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