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Date: | Sun, 3 Jan 1999 10:36:58 +0200 (IST) |
From: | Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> |
X-Sender: | eliz AT is |
To: | Christian Hofrichter <ChristianHofrichter AT gmx DOT de> |
cc: | djgpp AT delorie DOT com |
Subject: | Re: timing in u sec range |
In-Reply-To: | <368BE820.57A73CBC@gmx.de> |
Message-ID: | <Pine.SUN.3.91.990103103639.12860B-100000@is> |
MIME-Version: | 1.0 |
Reply-To: | djgpp AT delorie DOT com |
On Thu, 31 Dec 1998, Christian Hofrichter wrote: > I have sloved the problem by reading out the port 0x40. > There you can read a counter, coming from an quartz with 4,77 > Mhz.(14.317.180 Hz) > After a division by 4 you get the counter-rate. The Timer-chip is called > 8253/54. DJGPP has a library function which does all that for you. It is called `uclock'. You get a result that has a 840 nsec granularity.
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