[chbot] Arduino(Burning Bootloader onto ATMEGA8)

[jimmy allen]

The Arduino IDE has a tool for buring the chips so I would assume that
it would take care of everythinng for you.I have manged to program the
ATMEGA8 that I am using with AVR-gcc so I don't think it is the chip.I
am kind of thinking that it could be the software as I have done some
looking around and have found others with basicaly(some are using
different chips)the same problem, so could that be a cause?


On a slightly different dirrection.What are the advantages of a booloader?
I am looking into them because a lot of boards use them and there must
be a reason.

On 8/9/09, Richard Jones <rjtp at ihug.co.nz> wrote:
> Hi Jimmy,
>
> Its been a busy weekend. Hopefully you have your Mega8 programmed by now.
> But if not some more thoughts.
> I'm not familiar with the Arduino specifics but hopefully my ramblings may
> cast some light on your problem. Some things to check:
> Make sure the fuses are set appropriately for your oscillator
> configuration.
> Make sure the fuses are set appropriately for the size of bootloader you
> wish to program.
> Check that the oscillator is running at the correct frequency.
> If the crystal oscillator is slightly off frequency than the crystal may be
> running in the wrong mode, usually due to incorrect capacitor values. This
> gives unreliable startup problems.
> Make sure you have a good stable 5V supply to the Mega 8 during
> programming.
> Ensure no resets other than those desired are fed to the chip.
> Make sure you have no I/O of your own connected to the programming pins
> during programming.
>
> If all else fails give me a call on 03 337 5337 one evening and you can
> call round and we'll fix it together. I have several ATMega8's running so
> we can do some substitution tests if reason fails.
>
> Richard
>
> On Sat, 8 Aug 2009 12:07:45 +1200, jimmy allen <jimmy1248 at gmail.com> wrote:
>> I am trying to build an Arduino and are using this manual
>> http://arduino.cc/en/uploads/Main/ArduinoSeverinoManual2.pdf.
>>
>> I have got to the point where I am burning the bootloader onto the
>> ATMEGA8 using a parallel programmer, but I keep getting verification
>> errors.
>>
>> So is there so one who has done this and has know how to do this.
>>
>> Help would be very much apriciated
>> Jimmy
>>
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