So you were fuzz testing the DS2423?
There is nothing in the datasheet to offer an explanation. If you are truly
curious, run with "--debug" and send me a transcript.
On Mon, May 13, 2013 at 6:59 AM, Daniel MacKay <[email protected]> wrote:
> Hello! I started a new application (solar home energy monitoring) which
> uses the mighty DS2423 (as purchased from Digi-Key & Hobby Boards) on a
> Raspberry Pi with the Sheepwalk RPI2 bus master and I2C-1 driver.
>
> The DS2423 is reading the output of a YF-S201 flow meter so I can see how
> much hot water the house is using.
>
> Here is a screendump of the owhttpd output:
>
> http://gyazo.com/6f427544f972372b6a2f1e39c2b220f0
>
> (although I'm reading it with owread.)
>
> Yesterday, for fun, I replaced the "memory" field with
>
> 0000DEAD0BEEF0CAFE00000
>
> ... and all the rest zeros - I just pasted in zeros until it was full.
> After that, the counter started... well, not counting. Or counting 1 for
> every few thousand pulses or something. I used the "upload" function to
> refill it with some random data (a small jpg of a kitten) and it seems to
> be back to normal.
>
> I have two questions:
>
> 1) could the contents of "memory" or the act of pasting data in there have
> affected how the DS2423 counts? and
> 2) what should be in the "mincount" field? It was oddly at "1723" when I
> looked at it (after the trouble began) and I reset it to zero but... what
> should it be?
>
> Many thanks.
>
>
> --
> Daniel MacKay
> Halifax, Nova Scotia, Canada
>
>
>
>
>
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