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546 lines
20 KiB
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<title>Demo UPS minidriver</title>
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<o:Author>Stephen R. Berard</o:Author>
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<o:LastAuthor>Allen Marshall</o:LastAuthor>
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</head>
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<body lang=EN-US link=blue vlink=blue style='tab-interval:.5in'>
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<div class=Section1>
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<h2><span style='font-family:Verdana'>UPS <span class=SpellE>Minidriver</span> Demo<o:p></o:p></span></h2>
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<h3><span style='font-family:Verdana'>SUMMARY<o:p></o:p></span></h3>
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<p><span style='font-size:10.0pt;font-family:Verdana'>The Demo UPS sample
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provides an example of a UPS minidriver for use by the UPS service. It
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contains annotated code to assist in developing a UPS minidriver DLL.
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Detailed documentation may be found in the Windows 2000/XP DDK under Battery
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Devices.<o:p></o:p></span></p>
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<h3><span style='font-family:Verdana'>Introduction to UPS <span class=SpellE>Minidrivers</span><o:p></o:p></span></h3>
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<p><span style='font-size:10.0pt;font-family:Verdana'>A UPS minidriver provides
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a means for the standard UPS service to communicate with various UPS
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devices. Third parties may provide a minidriver to enable the UPS service
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to manage their proprietary hardware. A UPS minidriver is a
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user-mode DLL called by the UPS service. A UPS <span class=SpellE>minidriver</span>
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has the following responsibilities:<o:p></o:p></span></p>
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<ul type=disc>
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<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
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mso-list:l2 level1 lfo3;tab-stops:list .5in'><span style='font-size:10.0pt;
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font-family:Verdana'>Initialize the communication path to the UPS. <o:p></o:p></span></li>
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<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
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mso-list:l2 level1 lfo3;tab-stops:list .5in'><span style='font-size:10.0pt;
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font-family:Verdana'>Update registry entries that are used to display
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information to the user via <strong><span style='font-family:Verdana'>Power
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Options</span></strong>. <o:p></o:p></span></li>
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<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
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mso-list:l2 level1 lfo3;tab-stops:list .5in'><span style='font-size:10.0pt;
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font-family:Verdana'>Monitor the UPS for state changes. <o:p></o:p></span></li>
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<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
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mso-list:l2 level1 lfo3;tab-stops:list .5in'><span style='font-size:10.0pt;
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font-family:Verdana'>Power off the UPS outlets upon shutdown (if supported
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by the hardware). <o:p></o:p></span></li>
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</ul>
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<p><span style='font-size:10.0pt;font-family:Verdana'>Typically, a UPS
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minidriver communicates with a UPS device through a COM (serial) port by
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calling <span class=SpellE><strong><span style='font-family:Verdana'>CreateFile</span></strong></span>,
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<span class=SpellE><strong><span style='font-family:Verdana'>ReadFile</span></strong></span>,
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and <span class=SpellE><strong><span style='font-family:Verdana'>WriteFile</span></strong></span>.
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These functions are described in the Platform SDK documentation. The
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minidriver is responsible for implementing whatever communication protocol the
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UPS unit supports.</span></p>
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<p><b><span style='font-size:10.0pt;font-family:Verdana'>Note: </span></b><span
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style='font-size:10.0pt;font-family:Verdana'>This package is intended to
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demonstrate UPS minidriver concepts for educational purposes. It is not to be
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used in a production environment in its entirety. <o:p></o:p></span></p>
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<h3><span style='font-family:Verdana'>Introduction to the Demo UPS Sample<o:p></o:p></span></h3>
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<p><span style='font-size:10.0pt;font-family:Verdana'>This sample package
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consists of source code and an installation INF file. The sample contains
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following files: <o:p></o:p></span></p>
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mso-list:l1 level1 lfo6;tab-stops:list .5in'><span class=SpellE><span
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class=GramE><i style='mso-bidi-font-style:normal'><span style='font-size:
|
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10.0pt;font-family:Verdana'>demoups.cpp</span></i></span></span><span
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class=GramE><span style='font-size:10.0pt;font-family:Verdana'> :</span></span><span
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style='font-size:10.0pt;font-family:Verdana'> C/C++ source file.<o:p></o:p></span></li>
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<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
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mso-list:l1 level1 lfo6;tab-stops:list .5in'><span class=SpellE><span
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class=GramE><i><span style='font-size:10.0pt;font-family:Verdana'>demoups.h</span></i></span></span><span
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class=GramE><span style='font-size:10.0pt;font-family:Verdana'> :</span></span><span
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|
style='font-size:10.0pt;font-family:Verdana'> C/C++ header file.<o:p></o:p></span></li>
|
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<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
|
mso-list:l1 level1 lfo6;tab-stops:list .5in'><span class=SpellE><span
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class=GramE><em><span style='font-size:10.0pt;font-family:Verdana'>demoups.def</span></em></span></span><span
|
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class=GramE><span style='font-size:10.0pt;font-family:Verdana'> :</span></span><span
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|
style='font-size:10.0pt;font-family:Verdana'> Module definitions file for
|
|
the project.<o:p></o:p></span></li>
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<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
|
mso-list:l1 level1 lfo6;tab-stops:list .5in'><span class=SpellE><span
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|
class=GramE><em><span style='font-size:10.0pt;font-family:Verdana'>demoups.inf</span></em></span></span><span
|
|
class=GramE><span style='font-size:10.0pt;font-family:Verdana'> :</span></span><span
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|
style='font-size:10.0pt;font-family:Verdana'> Information file used
|
|
for installation.<o:p></o:p></span></li>
|
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<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
|
mso-list:l1 level1 lfo6;tab-stops:list .5in'><span class=GramE><em><span
|
|
style='font-size:10.0pt;font-family:Verdana'>demoups.htm</span></em><span
|
|
style='font-size:10.0pt;font-family:Verdana'> :</span></span><span
|
|
style='font-size:10.0pt;font-family:Verdana'> This file.<o:p></o:p></span></li>
|
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</ul>
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|
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|
<h3><span style='font-family:Verdana'>BUILDING THE SAMPLE<o:p></o:p></span></h3>
|
|
|
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<p><span style='font-size:10.0pt;font-family:Verdana'>To build the sample
|
|
drivers, you must first set up the DDK environment on your host machine. The
|
|
“Installation and Release Notes” in the Windows 2000/XP DDK has a complete
|
|
description on how to do this. <o:p></o:p></span></p>
|
|
|
|
<ol start=1 type=1>
|
|
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
|
mso-list:l8 level1 lfo9;tab-stops:list .5in'><span style='font-size:10.0pt;
|
|
font-family:Verdana'>Run the build –<span class=SpellE>ceZ</span> command
|
|
in the <span class=SpellE>DemoUPS</span> directory to build <i
|
|
style='mso-bidi-font-style:normal'>demoups.dll</i>. <o:p></o:p></span></li>
|
|
</ol>
|
|
|
|
<p><span style='font-size:10.0pt;font-family:Verdana'>This will build the
|
|
sample. Any errors will be displayed in the Output window. <o:p></o:p></span></p>
|
|
|
|
<h3><span style='font-family:Verdana'>INSTALLING THE SAMPLE<o:p></o:p></span></h3>
|
|
|
|
<p><span style='font-size:10.0pt;font-family:Verdana'>To install the UPS demo
|
|
minidriver: <o:p></o:p></span></p>
|
|
|
|
<ol start=1 type=1>
|
|
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
|
mso-list:l0 level1 lfo12;tab-stops:list .5in'><span style='font-size:10.0pt;
|
|
font-family:Verdana'>Using Windows Explorer, navigate to the directory
|
|
containing the Demo UPS files. <o:p></o:p></span></li>
|
|
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
|
mso-list:l0 level1 lfo12;tab-stops:list .5in'><span style='font-size:10.0pt;
|
|
font-family:Verdana'>Right click on <span class=SpellE><em><span
|
|
style='font-family:Verdana'>demoups.inf</span></em></span><em><span
|
|
style='font-family:Verdana'> </span></em>and select ‘Install’.</span></li>
|
|
</ol>
|
|
|
|
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Verdana'>This will
|
|
copy the <em><span style='font-family:Verdana'>demoups.dll </span></em>file
|
|
to the <em><span style='font-family:Verdana'>%SystemRoom$\system32</span></em>
|
|
directory and make the appropriate registry entries. <o:p></o:p></span></p>
|
|
|
|
<h3><span style='font-family:Verdana'>RUNNING THE SAMPLE<o:p></o:p></span></h3>
|
|
|
|
<p><span style='font-size:10.0pt;font-family:Verdana'>Once the Demo UPS
|
|
minidriver is installed, it needs to be configured and started from the <strong><span
|
|
style='font-family:Verdana'>Power Options </span></strong>Control Panel
|
|
applet.</span></p>
|
|
|
|
<ol start=1 type=1>
|
|
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
|
mso-list:l3 level1 lfo13;tab-stops:list .5in'><span style='font-size:10.0pt;
|
|
font-family:Verdana'>Open the Control Panel and select <strong><span
|
|
style='font-family:Verdana'>Power Options</span></strong>.</span></li>
|
|
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
|
mso-list:l3 level1 lfo13;tab-stops:list .5in'><span style='font-size:10.0pt;
|
|
font-family:Verdana'>Select the ‘UPS’ tab and click ‘Select...’ to
|
|
open the UPS Selection dialog. This dialog allows the user to select
|
|
their UPS manufacturer, model, and COM port. </span></li>
|
|
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
|
mso-list:l3 level1 lfo13;tab-stops:list .5in'><span style='font-size:10.0pt;
|
|
font-family:Verdana'>Select ‘DDK Sample’ for the manufacturer and ‘DDK
|
|
Demo UPS’ for the model and click ‘Finish’. The COM port value
|
|
is ignored by the Demo UPS minidriver. </span></li>
|
|
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
|
|
mso-list:l3 level1 lfo13;tab-stops:list .5in'><span style='font-size:10.0pt;
|
|
font-family:Verdana'>Click ‘Apply’ to start the UPS service. This
|
|
will take a few seconds and then the display will show the UPS details.<o:p></o:p></span></li>
|
|
</ol>
|
|
|
|
<p><span style='font-size:10.0pt;font-family:Verdana'>You can uninstall the
|
|
Demo UPS minidriver by selecting ‘None’ for the manufacturer and clicking
|
|
‘Finish’ and ‘<span class=GramE>Apply</span>’. This will remove the Demo
|
|
UPS minidriver configuration and stop the UPS service.<o:p></o:p></span></p>
|
|
|
|
<p align=center style='text-align:center'><a href="#top"><span
|
|
style='font-size:10.0pt;font-family:Verdana'>Top of page</span></a> <span
|
|
style='font-size:10.0pt;font-family:Verdana'><o:p></o:p></span></p>
|
|
|
|
<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=624
|
|
style='width:6.5in;mso-cellspacing:0in;mso-padding-alt:0in 5.4pt 0in 5.4pt'>
|
|
<tr style='mso-yfti-irow:0;mso-yfti-lastrow:yes;height:1.5pt'>
|
|
<td style='background:aqua;padding:.75pt .75pt .75pt .75pt;height:1.5pt;
|
|
-x-background-x-position: 0%;-x-background-y-position: 0%;background-attachment:
|
|
scroll'>
|
|
<p class=MsoNormal><span style='font-size:2.0pt'><o:p> </o:p></span></p>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
|
|
<p><span style='font-size:7.5pt;font-family:"MS Sans Serif"'>© Microsoft
|
|
Corporation 2001</span><span style='font-size:10.0pt;font-family:Verdana'><o:p></o:p></span></p>
|
|
|
|
</div>
|
|
|
|
</body>
|
|
|
|
</html>
|