118 lines
6.1 KiB
HTML
118 lines
6.1 KiB
HTML
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<html>
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<head>
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<meta http-equiv="Content-Language" content="en-us">
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<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
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<meta name="ProgId" content="FrontPage.Editor.Document">
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<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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<title>This sample demonstrates basic Isochronous IO under WDM with the Intel
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i82930 USB controller</title>
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</head>
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<body>
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<p>This sample demonstrates basic Isochronous IO under WDM with the Intel i82930
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USB controller. <br>
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<br>
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See the document for the corresponding Bulk IO sample, "BulkUsb.Doc" for
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discussion of basic architechtural issues,as well as Plug and Play and Power
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Management IRP handling, as it is basically the same as in this sample.<br>
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<br>
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The accompanying console test application for IsoUsb.Sys, RwIso.Exe, operates
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similarly to RwBulk.Exe, the console test app for BulkUsb.sys. See BulkUsb.Doc.</p>
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<p>Installing IsoUsb.sys<br>
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---------------------</p>
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<ol>
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<li>Make an 'OEM installation diskette' or equivalent installation source
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directory for IsoUsb.sys by copying IsoUsb.sys and IsoUsb.inf into it.The
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sample IsoUsb.Inf is in the DDK IsoUsb\Sys source directory. </li>
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<li>Make sure your device has been programmed with the device VID/PID in the
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IsoUsb.inf file. If not, edit the device VID, PID, and description text to
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match your test board/device.</li>
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<li>Depending on the operating system you are using:</li>
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</ol>
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<p>On Windows 2000:</p>
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<blockquote>
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<p>When you plug in the device, the "Found New Hardware Wizard" dialog box
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will appear with the subheading "Install Hardware Device Drivers". Hit the
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radio button labelled "Search for a suitable driver for your device
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(Recommended)" and then hit the "Next" button. The following screen has you
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specify your installation source floppy or directory. Do so, then hit the
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"Next" button. The next screen should indicate that Windows 2000 is ready to
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install the driver. Near the middle of the box, you should see the full source
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path to IsoUsb.Inf. Hit the "Next" button. You'll briefly see a "copying
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Files" message box, then once again the "Found New Hardware Wizard" box, now
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displaying the subheading, "Hardware Install: The hardware installation is
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complete". Hit the "Finish" button. You should now have a copy of IsoUsb.Sys
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in your \System32\Drivers directory, a IsoUsb.Inf in your \Winnt\Inf
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directory, and a newly-created IsoUsb.Pnf file, which is a precompiled setup
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info file that Windows 2000 creates. If the final "Add New Hardware Wizard"
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box indicates any error, or if the OS says you must reboot to finish
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installation of this device, something has gone wrong. Check your Inf file,
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Install directory, or driver code, follow the instructions in the below
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section on simulating a 'first-time' install, and start over.</p>
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</blockquote>
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<p>On Win98: </p>
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<blockquote>
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<p>Plug in the device. The "Add New Hardware Wizard" dialog box will appear,
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indicating that "This wizard searches for new drivers for: [your deviceName as
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programmed into your board's hardware]. Hit the "Next" button. On the
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following screen, hit the radio button labelled "Search for the best driver
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for your device (Recommended)" . Hit the "Next" button. The next screen has
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you specify your installation source floppy or directory. Do so, then hit the
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"Next" button. The next screen should indicate that Windows is ready to
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install the driver. You should see the full source path to IsoUsb.Inf under
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the label: "Location of Driver". Hit the "Next" button. You will see the
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"Building Driver Information Database" message box, then, if the installation
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and loading of the driver have succeeded, you will see the final wizard box
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saying " Windows has finished installing the software that your new hardware
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device requires." Hit the "Finish" button. If the final "Add New Hardware
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Wizard" box indicates any error, or if the OS says you must reboot to finish
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installation of this device, something has gone wrong. Check your Inf file,
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Install directory,or driver code, follow the below instructions on simulating
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a 'first-time' install, and start over.</p>
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</blockquote>
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<p>Updating the Driver<br>
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-------------------</p>
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<p>To install a new version of your driver after a successful initial
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installation, simply replace the binary in \System32\Drivers. If the initial or
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last installation failed for any reason, follow the below instructions on
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simulating a 'first-time' install.</p>
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<p><br>
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Simulating a 'First-time' Install <br>
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-------------------------------<br>
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If you want to test Inf file or installation program modifications, or if your
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first install failed for any reason and you need to do, in effect, a new
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'first-time' driver installation without reinstalling a fresh Win98 or Windows
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2000, do the following:</p>
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<ol>
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<li>Delete IsoUsb.inf from the \Windows\Inf or \Winnt\Inf directory. On Winnt,
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also delete IsoUsb.PNF from the \Winnt\Inf directory.</li>
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<li>Delete IsoUsb.Sys from the \System32\Drivers directory.</li>
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<li>Using RegEdit on Win98, or RegEdt32 on Windows 2000, purge the registry of
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the following driver information:</li>
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</ol>
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<p>For Windows 98: </p>
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<blockquote>
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<p>Delete the following registry key:<br>
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\LocalMachine\System\Enum\USB\[the key with your device ID/PID], <br>
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( in the case of our sample as published, this would be:<br>
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\LocalMachine\System\Enum\USB\VID_045E&PID_930A )</p>
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</blockquote>
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<p>For Windows 2000:</p>
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<blockquote>
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<p>Delete the following registry key:<br>
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\LocalMachine\System\CurrentControlSet\Enum\USB\[the key with your deviceId/PID]<br>
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On Windows 2000, you must restart the system before reinstalling the driver;
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this is not neccesary on Win98.</p>
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</blockquote>
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<p><br>
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IsoUsb.Inf is in the Sys subdirectory.</p>
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<p>It allows you to set registry overrides for:</p>
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<p>"DebugLevel" debug verbosity level, where 0 == no debug output, 1 == default
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, higher == more verbose.</p>
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</body>
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</html>
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