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Diffstat (limited to 'static/netbsd/man4/isv.4 3.html')
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diff --git a/static/netbsd/man4/isv.4 3.html b/static/netbsd/man4/isv.4 3.html deleted file mode 100644 index a252aa01..00000000 --- a/static/netbsd/man4/isv.4 3.html +++ /dev/null @@ -1,72 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">ISV(4)</td> - <td class="head-vol">Device Drivers Manual</td> - <td class="head-rtitle">ISV(4)</td> - </tr> -</table> -<div class="manual-text"> -<section class="Sh"> -<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> -<p class="Pp"><code class="Nm">isv</code> — <span class="Nd">IDEC - Supervision/16 image capture board</span></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> -<p class="Pp"><code class="Cd">isv0 at isa? port 0x2f0</code> - <br/> - <code class="Cd">isv0 at isa? port 0x2e0</code> - <br/> - <code class="Cd">isv0 at isa? port 0x3f0</code> - <br/> - <code class="Cd">isv0 at isa? port 0x3e0</code></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> -<p class="Pp"><code class="Nm">isv</code> is a driver for the IDEC - Supervision/16, an image capture board that plugs into a 16-bit ISA bus. The - IDEC Supervision/16 digitizes an NTSC television signal, storing a 512 x - 480-pixel, 8-bit grayscale image in its 256kB dynamic RAM array every 1/30th - of a second. The host reads frames from the DRAM using 122881 16-bit I/O - reads. Reading frames from the Supervision/16 is quite slow: after the host - reads a 16-bit word from the DRAM, the Supervision/16 state machine takes - approximately 0.5 microseconds to get ready for the next read. - Theoretically, a frame rate of approximately 10 frames per second is - possible. <code class="Nm">isv</code> achieves a frame rate of approximately - 6 frames per second.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE - ALSO</a></h1> -<p class="Pp"><cite class="Rs"><span class="RsR">Programming the Supervision/16 - Image Capture Board</span>, <span class="RsQ">IDEC</span>, - <span class="RsD">circa 1991</span>.</cite></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> -<p class="Pp">The <code class="Nm">isv</code> device first appeared in - <span class="Ux">NetBSD 5.0</span>.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> -<p class="Pp">The <code class="Nm">isv</code> driver was written by - <span class="An">David Young</span> - <<a class="Mt" href="mailto:dyoung@NetBSD.org">dyoung@NetBSD.org</a>>.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1> -<p class="Pp">Synchronizing with the hardware and reading frames from it is very - CPU-intensive.</p> -<p class="Pp"><code class="Nm">isv</code> will not detect the capture board if - it is not attached to an active video source. To force - <span class="Ux">NetBSD</span> to detect the capture board at any time, - re-scan the ISA bus using, e.g., <code class="Ic">drvctl</code> - <code class="Fl">-r</code> <var class="Ar">isa0</var>.</p> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">April 1, 2008</td> - <td class="foot-os">NetBSD 10.1</td> - </tr> -</table> |