Re: [oopic] Re: Dead OOPic?

Mike,

Sounds good - Some laptops have "issues" with printer port stuff.
And yes, I am that author.

DLC

Mike Martin wrote:
> Hi Dennis - I think it's working now. I've given up on the laptop and
> now have it connected to a desktop. Right now I've got a basic
> blinking LED program running. I'm happy now. It also seems to work
> with the cable connected. BTW are you the author of the OOPic book I
> see on Amazon?
>
> --- In oopic@yahoogroups.com, ooPIC Tech Support <dennis.clark@...>
> wrote:
>
>> Mike,
>>
>> First off I'd try pulling the programming cable off and see if
>>
> the
>
>> code starts to run. Also you are using the programming port (the
>>
> single
>
>> connector) and not one of the two network connectors right?
>>
>> DLC
>>
>> Mike Martin wrote:
>>
>>> Thanks Richard, for your advice. It's a bit over my head though.
>>>
> To be
>
>>> honest.I'm an IT teacher with a soldering iron. I'm a fast
>>>
> learner but with
>
>>> no real formal electronics training - but I'm very interested and
>>> appreciative none-the-less. We have nothing like the OOPic here
>>>
> in OZ -
>
>>> which makes it really attractive since I teach the kids VB and
>>>
> OOPic just
>
>>> looks like a fantastic platform to me to teach them real world
>>>
> hardware
>
>>> programming (the only other opportunity is LEGO MindStorms -
>>>
> which doesn't
>
>>> really cut it). The "VB like" IDE really suits me in the
>>>
> classroom because
>
>>> there is a direct cognitive connection to the hardware and
>>>
> relates directly
>
>>> to the VB IDE I teach for other outcomes. Please don't take
>>>
> offence but the
>
>>> really hi-tech advice is wasted on me right now and not really
>>>
> worth your
>
>>> time. But thanks for your good info all the same. I'll archive it
>>>
> for future
>
>>> reference. What do you think about my idea of just buying another
>>>
> new OOPic
>
>>> and starting afresh?
>>>
>>> Mike M.
>>>
>>>
>>>
>>> _____
>>>
>>> From: oopic@yahoogroups.com [mailto:oopic@yahoogroups.com] On
>>>
> Behalf Of
>
>>> rtstofer
>>> Sent: Friday, 11 April 2008 12:05 AM
>>> To: oopic@yahoogroups.com
>>> Subject: [oopic] Re: Dead OOPic?
>>>
>>>
>>>
>>> --- In oopic@yahoogroups. <mailto:oopic%40yahoogroups.com>
>>>
> com, "Mike
>
>>> Martin" <xaviour2me@> wrote:
>>>
>>>
>>>> Hi All
>>>> You might recall my laptop parallel port had a problem
>>>>
> communicaing
>
>>>> with the OOPic. I got all the parts and built the active cable
>>>>
> from
>
>>>>
>>>>
>>> the
>>>
>>>
>>>> files section that Dennis suggested (thanks Dennis) and I can
>>>>
> now
>
>>>> detect it. So I tried a very simple flashing led project.
>>>>
>>>>
>>> Everything
>>>
>>>
>>>> looks like it's working and the IDE says it downloads - the
>>>>
>>>>
>>> progress
>>>
>>>
>>>> bar shows it downloading - etc but the project didn't work. When
>>>>
> I
>
>>>>
>>>>
>>> read
>>>
>>>
>>>> the data back up from the eeprom there's nothing there. I know
>>>>
>>>>
>>> there's
>>>
>>>
>>>> power on the board because I can ground an led in the
>>>>
> prototyping
>
>>>>
>>>>
>>> area
>>>
>>>
>>>> and it lights up. I'm going to just buy another OOPic I think
>>>>
> but
>
>>>>
>>>>
>>> does
>>>
>>>
>>>> anyone have any advice before I do? Also I'd like to get Dennis'
>>>>
>>>>
>>> book
>>>
>>>
>>>> but here in Australia it's out of print and the only ones I can
>>>>
> see
>
>>>>
>>>>
>>> at
>>>
>>>
>>>> Amazon don't deliver here for some reason. Any clues?
>>>>
>>>>
>>>>
>>> There's one other 'gotcha' to parallel programming: you MAY have
>>>
> to
>
>>> remove the programming cable to get the program to run. If you
>>>
> want
>
>>> to do debugging, you need to plug the cable in to the other I2C
>>> connector.
>>>
>>> But that doesn't explain why you can't read the EEPROM. The
>>>
> problem
>
>>> is that it is almost impossible to troubleshoot I2C without a
>>>
> logic
>
>>> analyzer. You can certainly see part of the operation with an
>>> oscilloscope but to really capture the traffic requires a logic
>>> analyzer.
>>>
>>> Sometimes it is possible to get an clue about the signals with a
>>> logic probe like http://www.pololu.
>>> <http://www.pololu.com/catalog/product/314>
>>>
> com/catalog/product/314 At least
>
>>> you can see/hear if the signals are toggling. There are a number
>>>
> of
>
>>> logic probes on eBay.
>>>
>>> At idle, both the clock and data lines should be high, A transfer
>>> starts when the data line goes low while the clock line is still
>>>
> high.
>
>>> Richard
>>>
>>>
>>>
>>>
>>>
>>> [Non-text portions of this message have been removed]
>>>
>>>
>>> ------------------------------------
>>>
>>> Yahoo! Groups Links
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>> --
>> ------------------------------------------------------
>> Dennis Clark ooPIC Tech Support
>> www.oopic.com
>> ------------------------------------------------------
>>
>>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>
>
>

--
------------------------------------------------------
Dennis Clark ooPIC Tech Support
www.oopic.com
------------------------------------------------------

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