Re: A/D converter

Riley Williams (rhw@BigFoot.Com)
Wed, 21 Apr 1999 10:47:14 +0100 (GMT)


Hi David.

> I would like to use the irq0 timer for something else - the PC
> speaker driver - which definitely _does_ need it, because the
> RTC can't generate interrupts at the rate required (~18K)

The obvious solution here would be to redefine the irq0 timer such
that it runs at 18,000 Hz to perform the PC speaker stuff, and only
calls the current irq0 routine every 180th interrupt.

However, I would guess that latency problems would prevent that...

Best wishes from Riley.

+----------------------------------------------------------------------+
| There is something frustrating about the quality and speed of Linux |
| development, ie., the quality is too high and the speed is too high, |
| in other words, I can implement this XXXX feature, but I bet someone |
| else has already done so and is just about to release their patch. |
+----------------------------------------------------------------------+
* ftp://ftp.MemAlpha.cx/pub/rhw/Linux
* http://www.MemAlpha.cx/kernel.versions.html

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