connection, so I won't repeat. Have you tried connecting immediately
after reset while your startup delay is active? I would add that you
should check the serial connection all the way back to the translator
board (while it is disconnected from the ooPIC board.)
DLC
bb261998 wrote:
> AS far as I can tell the serial connection is correct, on my
> translator board I get both leds lit when I plug in, I know for sure
> it worked in the past and I haven't changed anything since then. I
> don't have any other programs using the serial prot that I know of.
> Since I posted last I've also tried unistalling the IDE and rebooted
> a few times for good measure but still nothing.
>
> --- In oopic@yahoogroups.com, ooPIC Tech Support <dennis.clark@...>
> wrote:
>
>> Now we're getting somewhere. Make sure that your serial connection
>>
> is
>
>> correct and that no other serial program has control of the port.
>>
>> DLC
>>
>> bb261998 wrote:
>>
>>> I had already replaced the regulator with the bigger one prior to
>>> this issue after frying the original. I've checked voltage at the
>>> regulator, on the 40 pin connection and at the point of the
>>>
> serial
>
>>> connection and everything looked good at 5v. Even with the EEPROM
>>> taken out the IDE still doesn't connect to the board, I get the
>>>
> same
>
>>> error message. I just tried doing the connection right when I
>>>
> power
>
>>> it on to attempt to get in during the delay, same story.
>>>
>>>
>>> --- In oopic@yahoogroups.com, "rtstofer" <rstofer@> wrote:
>>>
>>>
>>>> --- In oopic@yahoogroups.com, "bb261998" <bb261998@> wrote:
>>>>
>>>>
>>>>> the strange thing is I had everything working the night before;
>>>>>
>>>>>
>>> went
>>>
>>>
>>>>> to bed; when I got up the next day the problem began. No
>>>>>
> changes
>
>>>>>
>>>>>
>>> to
>>>
>>>
>>>>> the computer, software or program, or wiring. I changed battery
>>>>>
>>>>>
>>> also
>>>
>>>
>>>>> before posting the first time. I didn't realize you need to
>>>>>
>>>>>
>>> connect
>>>
>>>
>>>>> within the delay period though. My fear is I may have
>>>>>
> carelessly
>
>>>>> screwed up one of the I/O's that the serial uses while playing
>>>>> around late at night.
>>>>>
>>>>> One other symptom I forgot to mention, when I plug in my
>>>>>
> testing
>
>>>>> LEDS and reset the oopic, I/O 1 goes high and all the others
>>>>>
> I/O
>
>>>>> stay low. the last program I loaded before all this started did
>>>>>
> a
>
>>>>> sort of Knight Rider pattern across the first 8 I/O's so I
>>>>>
>>>>>
>>> expected
>>>
>>>
>>>>> even if I screwed up the serial I/O (19,23..) that program
>>>>>
> would
>
>>>>> still be loaded and running normally which it does not.
>>>>>
>>>>>
>>>> Check the 5V levels on the board. That tiny little regulator
>>>>
> won't
>
>>>> take much abuse and 8 LEDs at 20 mA each might just be enough to
>>>>
>>>>
>>> take
>>>
>>>
>>>> it out. It is only rated for 100 mA! See
>>>> http://www.fairchildsemi.com/ds/LM/LM78L05A.pdf
>>>>
>>>> Dennis recommends replacing it with a regular 7805 in a TO-220
>>>> package. I haven't fried mine yet but I will probably stay with
>>>>
> the
>
>>>> TO-92 package,
>>>>
>>>> It's pretty hard to trash the uC. You can take out a pin without
>>>> frying the whole thing.
>>>>
>>>> Once you verify (and repair) the 5V, remove the EEPROM and try to
>>>> download a program. You will get a dialog box telling you to
>>>>
>>>>
>>> install
>>>
>>>
>>>> the EEPROM. Do so with the system powered up. Don't get it
>>>>
>>>>
>>> backwards!
>>>
>>>
>>>> Acknowledge the dialog and you should be good to go.
>>>>
>>>> THAT is the reason for always including OOPic.Delay = 500 as the
>>>>
>>>>
>>> first
>>>
>>>
>>>> executable statement. It allows the IDE to communicate with the
>>>>
> CPU
>
>>>> during the 5 second delay (following a reset) before the uC goes
>>>>
> off
>
>>>> to never-never-land.
>>>>
>>>> Richard
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>> 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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