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From: Fred Bloggs
User-Agent: Mozilla/5.0 (Windows; U; Win 9x 4.90; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0
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Subject: Re: Need help measuring pulses from Polaroid 6500
References: <firstname.lastname@example.org> <email@example.com> <3DD85DE9.firstname.lastname@example.org> <email@example.com> <3DDC57F6.firstname.lastname@example.org> <email@example.com> <3DDDA856.firstname.lastname@example.org> <email@example.com>
Date: Tue, 26 Nov 2002 12:41:27 GMT
NNTP-Posting-Date: Tue, 26 Nov 2002 04:41:27 PST
Organization: EarthLink Inc. -- http://www.EarthLink.net
John Fields wrote:
> On Fri, 22 Nov 2002 03:45:18 GMT, Fred Bloggs
>>Here is the timing for the counter:
>> |<- offset=0+ ->| |<- residue
>> +---+ +---+ +---+ +---+ +---+ +---+
>> CLOCK -> | | | | | | | | | | | |
>> --+ +---+ +---+ +--/ / /---+ +---+ +---+ +--
>> ->| |<-offset ->| |<-residue
>> | | | | + offset
>> +-------------------/ / /-------+
>> |<-INIT |<-ECHO
>> ----+ +----------
>> | <-------- range -----------> |
>> | |
>> Fix residue in the range 0>left over an offset range from 0 to 2pi and see what kind of counts that
>>counter of yours gives.
> First, let's fix your timing diagram:
If you're too slow to distill the timing into an asynchronous ENABLE
COUNT with edges defined by INIT/ECHO, then you're hopeless.
[...snip so-called fix...]
> Second, remembering that INIT and ECHO are asynchronous with respect
> to CLOCK, let's look ....
[...snipped more yappity yap yap yap descriptive drivel...]
> AFAIK that's about it for the transmitting end. Let's see if we can
> come to some sort of agreement about that much of it at least before
> I go on to the receiving end, OK?
This is not a political process, it is the mathematical model of the
timing. You have been told several times that you cannot take the
average over a single edge, but you just aren't getting it.
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