Re: VB6 mscomm

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Article #193

#193

From: Taavi Talvik
Date: Thu, 20 Apr 2006 18:41

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Lembit <lembit@kodu.ee> wrote:
: Loen kontrollerist umbes iga 6mS j?rel 4 baiti datat commporti.
: K?ik ilus, aga programm loeb ju event-iga suvalisest kohast, siis kui
: puhver t?is saab(4)
: Mina tahan aga, et igas 6mS ts?klis oleks rangelt esimene bait k?ige ees
: ja tagumine taga.
: Kuidas seda asja k?ige elegantsemalt lahendada?
: V?in lasta kontrollerist saata veel 2 baiti lisaks, kas ette v?i taha
: v?i m?lemale poole, peaasi, et nihet ei tekiks.

Sellise asja jaoks on mõistlik "pisike device driver" kirjutada.
Driver loeb iga 6ms tagant rauast (või kavalamalt), paneb näiteks
time-stampi juurde ning hoolitseb selle eest, et user-space
programm kuidagi andmed kätte saaks.

tervisi,
taavi
-- 
If Bill Gates were into building cars we'd often be madder than hell --
and Ferraris would be doing from zero to sixty in 60 seconds flat -- so, a
few things that would be different if Microsoft started building cars ...

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Message-ID: <4447d5e1$0$76677$bb624dac@diablo.uninet.ee>
From: Taavi Talvik <taavi@uninet.ee>
Subject: Re: VB6 mscomm
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