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<p class="MsoNormal">Hello all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have a board that is using the Intel 855GME chipset.<o:p></o:p></p>
<p class="MsoNormal"><a href="http://www.intel.com/content/www/us/en/chipsets/value-chipsets/chipset-855gme.html">http://www.intel.com/content/www/us/en/chipsets/value-chipsets/chipset-855gme.html</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">it has two outputs, LVDS and a VGA.<o:p></o:p></p>
<p class="MsoNormal">My application is build on the INEGRITY OS, not LINUX.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I need to rotate only the VGA output by 180 degrees.<o:p></o:p></p>
<p class="MsoNormal">How can I do it using the 855GME? I cannot use the R<span class="grame"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black">andR in INTEGRITY.<o:p></o:p></span></span></p>
<p class="MsoNormal"><span class="grame"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span class="grame"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black">I am using a graphic library called PEG.<o:p></o:p></span></span></p>
<p class="MsoNormal"><span class="grame"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black"><a href="http://www.swellsoftware.com/products/pegplus.php">http://www.swellsoftware.com/products/pegplus.php</a><o:p></o:p></span></span></p>
<p class="MsoNormal"><span class="grame"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></span></p>
<p class="MsoNormal">in its source I see when the data is written to a buffer that is mapped to the memory region in the kernel called
<i>__ghs_vga_videomem</i>. <o:p></o:p></p>
<p class="MsoNormal">The problem the same data is shown on both outputs.<br>
<br>
Here is the declaration of the memory region:<o:p></o:p></p>
<p class="MsoNormal"><span class="grame"><i><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black">MemoryReservation __ghsentry_reservedmem_vgaframebuffer =<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span class="grame"><i><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black"> { MEMORY_RWE | MEMORY_IOCOHERENT | MEMORY_VOLATILE,<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span class="grame"><i><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black"> 0, 0x400a0000, 0x400bffff, Other_MemoryType, true, 0xffffffff, 0xffffffff,<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span class="grame"><i><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black"> "__ghs_vga_videomem" };<o:p></o:p></span></i></span></p>
<p class="MsoNormal"><span class="grame"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span class="grame"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]><span dir="LTR"></span>Does the rotation is done by writing the data rotated or it is rotated by the hardware?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span class="grame"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span dir="LTR"></span>How do I split the two outputs?<span class="grame"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="grame"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span class="grame"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black">Thanks.<o:p></o:p></span></span></p>
<p class="MsoNormal"><span class="grame"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:black">Alex.</span></span><o:p></o:p></p>
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