[opengtoolkit-cvs] portIO/built/portio/docs PORT IO Disable Range__ogtkc.png,NONE,1.1 PORT IO Enable

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Update of /cvsroot/opengtoolkit/portIO/built/portio/docs
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv9816/built/portio/docs

Added Files:
	PORT IO Disable Range__ogtkc.png 
	PORT IO Enable Range__ogtkc.png PORT IO Get Version__ogtkc.png 
	PORT IO Install Driver__ogtkc.png PORT IO Read Byte__ogtkc.png 
	PORT IO Read Long__ogtkc.png PORT IO Read Word__ogtkc.png 
	PORT IO Read__ogtkc.png PORT IO Uninstall Driver__ogtkc.png 
	PORT IO Write Byte__ogtkc.png PORT IO Write Long__ogtkc.png 
	PORT IO Write Word__ogtkc.png PORT IO Write__ogtkc.png 
	ogportio.html 
Log Message:
Created an additional VI to install the driver specifically and added a short documentation of the user VIs in form of a html file to the built tree. Changed the DLL to allow to select to install the driver with system autostart enabled.

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--- NEW FILE: ogportio.html ---
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
  <title>PORT IO VI Tree__ogtk.vi</title>
  <meta name="Author" content="">
  <meta name="GENERATOR" content="G Development Environment">
</head>
<body bgcolor="#ffffff">
<h1>OpenG PORT IO Function Library</h1>
<p>For Windows NT based systems (NT 4, 2000, XP, 2003) access to hardware
resources from user space (e.g. any application) is restricted to improve
system security. If an application tries to access such resources directly,
the CPU indicates a Protection Fault which then is catched by the Windows
NT kernel. The kernel then displays a dialog (or optionally offers to start
a system debugger) and terminates the process that caused the Protection
Fault.</p>
<p>This library allows to access the IO port addresses of the x86 CPU
architecture. For Windows NT based systems it uses a device driver,
which is automatically installed if necessary. However in order for
the installation to be possible the current user needs to have
administrator rights.</p>
<a name="PORT IO Get Version__ogtk.vi"></a>
<h2>PORT IO Get Version__ogtk.vi</h2>
<p>The version number contains the device driver version number in the
high order word and the user space shared library version number in the
low order word. For Windows 95/98/ME there is no device driver and the
high order word is set to 0.</p>
<p></p>
<p>The two version numbers are in hexadecimal notation "major, minor,
bugfix" (eg. 0x0115 for major = 1, minor = 1, fix = 5).</p>
<p></p>
<p>The called library function determines on Windows NT based systems
if the device driver has been already installed and activated and in
the case it hasn't will do so automatically. For this to work however
the current user needs to have administrator rights and the
ogportio.sys driver needs to be present in the same directory as the
called shared library ogportio.dll file.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Get%20Version__ogtkc.png"
 alt="PORT IO Get Version__ogtk.vi"></p>
<hr>
<a name="PORT IO Install Driver__ogtk.vi"></a>
<h2>PORT IO Install Driver__ogtk.vi</h2>
<p>The called library function determines on Windows NT based systems
if the device driver has been already installed and activated and in
the case it hasn't will do so automatically. For this to work however
the current user needs to have administrator rights and the
ogportio.sys driver needs to be present in the same directory as the
called shared library ogportio.dll file.</p>
<p></p>
<p>SECURITY ALERT: It is not recomended to install this driver as
autostart, since this driver does open up the entire IO address range
to any aware application and therefore might pose a security risk.</p>
<p>However the alternative is that after each system restart one of the
PORT IO driver functions has to be called in an account with
administrator rights in order for the driver to be activated. The
driver does stay activated even during logoffs, until the system is
either restarted or the driver is uninstalled with the PORT IO
Uninstall.vi function.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Install%20Driver__ogtkc.png"
 alt="PORT IO Install Driver__ogtk.vi"></p>
<hr>
<a name="PORT IO Uninstall Driver__ogtk.vi"></a>
<h2>PORT IO Uninstall Driver__ogtk.vi</h2>
<p>This VI uninstalls the device driver if it is installed. The current
user needs to have administrator rights for this to work properly.</p>
<hr>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Uninstall%20Driver__ogtkc.png"
 alt="PORT IO Uninstall Driver__ogtk.vi"></p>
<hr>
<a name="PORT IO Enable Range__ogtk.vi"></a>
<h2>PORT IO Enable Range__ogtk.vi</h2>
<p>This function enables user space access to a range of IO ports for
the current process. This function has not effect on Windows 95/98/ME
based operating systems.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Enable%20Range__ogtkc.png"
 alt="PORT IO Enable Range__ogtk.vi"></p>
<hr>
<a name="PORT IO Disable Range__ogtk.vi"></a>
<h2>PORT IO Disable Range__ogtk.vi</h2>
<p>This function disables user space access to a range of IO ports for
the current process. This function has not effect on Windows 95/98/ME
based operating systems.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Disable%20Range__ogtkc.png"
 alt="PORT IO Disable Range__ogtk.vi"></p>
<hr>
<a name="PORT IO Read__ogtk.vi"></a>
<h2>PORT IO Read__ogtk.vi</h2>
<p>This function reads data from the specified IO port. If you set fast
to True, and are running under Windows NT/2000/XP/2003 you must have
enabled the according IO port with a call to "PORT IO Enable Range.vi"
to avoid a General Protection Fault error.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Read__ogtkc.png" alt="PORT IO Read__ogtk.vi"></p>
<hr>
<a name="PORT IO Read Byte__ogtk.vi"></a>
<h2>PORT IO Read Byte__ogtk.vi</h2>
<p>This function reads in a single byte from the specified IO port. If
you set fast to True, and are running under Windows NT/2000/XP/2003 you
must have enabled the according IO port with a call to "PORT IO Enable
Range.vi" to avoid a General Protection Fault error.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Read%20Byte__ogtkc.png"
 alt="PORT IO Read Byte__ogtk.vi"></p>
<hr>
<a name="PORT IO Read Word__ogtk.vi"></a>
<h2>PORT IO Read Word__ogtk.vi</h2>
<p>This function reads in a single word from the specified IO port. If
you set fast to True, and are running under Windows NT/2000/XP/2003 you
must have enabled the according IO port with a call to "PORT IO Enable
Range.vi" to avoid a General Protection Fault error.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Read%20Word__ogtkc.png"
 alt="PORT IO Read Word__ogtk.vi"></p>
<hr>
<a name="PORT IO Read Long__ogtk.vi"></a>
<h2>PORT IO Read Long__ogtk.vi</h2>
<p>This function reads in a single long word from the specified IO
port. If you set fast to True, and are running under Windows
NT/2000/XP/2003 you must have enabled the according IO port with a call
to "PORT IO Enable Range.vi" to avoid a General Protection Fault error.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Read%20Long__ogtkc.png"
 alt="PORT IO Read Long__ogtk.vi"></p>
<hr>
<a name="PORT IO Write__ogtk.vi"></a>
<h2>PORT IO Write__ogtk.vi</h2>
<p>This function writes data to the specified IO port. If you set fast
to True, and are running under Windows NT/2000/XP/2003 you must have
enabled the according IO port with a call to "PORT IO Enable Range.vi"
to avoid a General Protection Fault error.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Write__ogtkc.png" alt="PORT IO Write__ogtk.vi"></p>
<hr>
<a name="PORT IO Write Byte__ogtk.vi"></a>
<h2>PORT IO Write Byte__ogtk.vi</h2>
<p>This function writes a single byte to the specified IO port. If you
set fast to True, and are running under Windows NT/2000/XP/2003 you
must have enabled the according IO port with a call to "PORT IO Enable
Range.vi" to avoid a General Protection Fault error.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Write%20Byte__ogtkc.png"
 alt="PORT IO Write Byte__ogtk.vi"></p>
<hr>
<a name="PORT IO Write Word__ogtk.vi"></a>
<h2>PORT IO Write Word__ogtk.vi</h2>
<p>This function writes a single word to the specified IO port. If you
set fast to True, and are running under Windows NT/2000/XP/2003 you
must have enabled the according IO port with a call to "PORT IO Enable
Range.vi" to avoid a General Protection Fault error.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Write%20Word__ogtkc.png"
 alt="PORT IO Write Word__ogtk.vi"></p>
<hr>
<a name="PORT IO Write Long__ogtk.vi"></a>
<h2>PORT IO Write Long__ogtk.vi</h2>
<p>This function writes a single long word to the specified IO port. If
you set fast to True, and are running under Windows NT/2000/XP/2003 you
must have enabled the according IO port with a call to "PORT IO Enable
Range.vi" to avoid a General Protection Fault error.</p>
<h3>Connector Pane</h3>
<p><img src="PORT%20IO%20Write%20Long__ogtkc.png"
 alt="PORT IO Write Long__ogtk.vi"></p>
</body>
</html>

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