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Re: [AVR-Chat] I2C again

2007-07-03 by David VanHorn

I'm getting sonar data now.  On top of everything else, the one sonar
unit I was working with, out of the four I have, was bad!


On 7/2/07, Roy E. Burrage <RBurrage@bellsouth.net> wrote:
> Minimum 4 times a day scrub with lye soap and a scrub brush or a
> scouring pad, rinse with clorox water.  Do this for a week after each
> PIC project and you should be okay.  A saturated solution of NaCl in
> water will also do as a substitute for the clorox water and should do
> the trick.  With time, after a couple of projects, you'll decide a PIC
> isn't worth the pain.
>
> I met one of the guys on this list several years ago on another...and he
> decided to start with PICs.  I noticed he listed all of his PIC tools
> for sale soon after he tried an AVR project.
>
>
> REB
>
>
>
> David VanHorn wrote:
>
> >On 7/2/07, John Samperi <samperi@ampertronics.com.au> wrote:
> >
> >
> >>At 07:58 AM 3/07/2007, you wrote:
> >>
> >>
> >>>What I'm wrestling with at the moment, is what the SONAR wants though.
> >>>
> >>>
> >>It MUST be that darned PIC messing with your mind :-)
> >>
> >>
> >
> >Yup.. Pic rays..
> >
> >
> >
> >>>but you CANNOT read the data using the broadcast address..
> >>>
> >>>
> >>That makes sense otherwise all units would try and respond at the same
> >>time and...crash...
> >>
> >>
> >
> >True, but if you have only one device on the bus, then why not let it respond.
> >The thing that bugs me is that this isn't a documented behaviour, and
> >their support guys said that what I was doing (including the broadcast
> >address) ought to be working.
> >
> >
> >
> >
> >>Must admit it is getting interesting though, I tried to compile the test
> >>code on Brian Dean's website but unfortunately it must have been written
> >>with an earlier version of WinAVR and the new one does not want to compile.
> >>
> >>
> >
> >The second write of the address seems broken, unless I'm reading it
> >wrong, he's setting up to not get an ack but testing for the ack in
> >the result code.
> >
> >
>
>
>
> Yahoo! Groups Links
>
>
>
>

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