[dorkbotpdx-blabber] Re: Dorkboard Newbie

[Donald Delmar Davis]

I had eric bring me 2 tubes of processors and will be returning them  
next week to surplus gizmos with the bootloaders burned.

Don.

On Jun 6, 2009, at 10:02 AM, Scott Dixon wrote:

> I got a couple of Dorkboard kits from Surplus Gizmos a couple of  
> weeks ago and the basic problem is that they hadn't programmed the  
> bootloader into the 168 chips that they are selling.  According to  
> Don, they said they would do it but apparently haven't.  Probably  
> the simplest fix is to drop by the DorkbotPDX meeting on Monday  
> evening and ask Don to put the bootloader on your chip.  That is  
> what I did at the last meeting.
> After the bootloader is put on the chip, then the Arduino software  
> can be used as an IDE to create C/C++ programs and download them via  
> the 5 pin header with the appropriate USB to TTL serial adapter (I  
> use the Benito that Don makes and gives out at the periodic Arduino  
> Cult inductions).
> Scott
> On Jun 6, 2009, at 9:33 AM, dave madden wrote:
>
>> Following up my own post, I've been reading through the ATmega168  
>> manual
>> and internet info.  I don't see how you'd program through the 5-pin
>> header, unless you already had a bootloader programmed in.  AFAICT,  
>> you
>> could program through DebugWire if you had the spec (and you can't  
>> get
>> it) and if you had somehow changed some fuses to enable DebugWire.   
>> But
>> the only way I can see to initialize a brand new device is through  
>> SPI
>> (or a high-voltage, parallel programmer).  Is that correct?  Do you
>> flash new Dorkboards through PB3-PB5 with a bootloader that  
>> subsequently
>> operates through the Tx/Rx pins on the programming header?
>>
>> Thanks,
>> d.
>>
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