factory-programming atusb

David Reyes Samblas Martinez david at tuxbrain.com
Thu Mar 31 14:44:14 EDT 2011


2011/3/31 David Reyes Samblas Martinez <david at tuxbrain.com>:
> 2011/3/31 Werner Almesberger <werner at almesberger.net>:
>> David Reyes Samblas Martinez wrote:
>>> I have an idea to enhance your atusb-prg, improving the atusb end with
>>> a clamp , to not need to maintain my hand occupied holding the cable.
>>
>> Yeah, that should be easy. When preparing the shipments I considered
>> making a piece of wood that would act as protective casing but also
>> as a simple fixture, but eventually decided against it because it
>> would have meant even more delays.
>>
>>> this should be enough , also I want to separate process, flashing from
>>> testing, to do one process at time. for the first ~100 units batch,
>>
>> Why ? For testing you need to connect to USB anyway. You may as well
>> do the DFU first. When done, it will jump into the application, so
>> you don't even need to unplug.
>>
>>> Also if all flashing is done in one step , and the demand requires
>>> more prodution ratios,
>> [...]
>>
>> Your bottleneck may be testing. Unless you're prepared to set up
>> properly shielded RF test chambers, you'll be limited by
>> interference between devices. In practical terms, this means that
>> you can probably only test one device at a time.
>>
>> Testing will take a few seconds, so you wouldn't gain much by
>> having massively parallel flashing.
>>
>>> So please let me insist in showme the way to flash bootloader and
>>> program at once even with actual avr-dude (also usefull for me to be
>>> able to flash arduino sketches with arduino bootloader ) and make me
>>> happy ... please[1]
>>
>> Heh, I did something like this once at Openmoko, for the HXD8
>> project. I think I did address assignment by making the devices
>> show up by their default address, then bring up one interface
>> after the other, SSH into the device, and change its address to
>> a unique value. Then proceed a usual.
> I mean to flash the avr chip with bootloader and program at once , not
> the Nanonote :P
gotcha!!! http://arduino.cc/forum/index.php/topic,55245.0.html
>>
>> - Werner
>>
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>
>
>
> --
> David Reyes Samblas Martinez
> http://www.tuxbrain.com
> Open ultraportable & embedded solutions
> Ben NanoNote, Arduino, Openmoko
> Hey, watch out!!! There's a linux in your pocket!!!
>



-- 
David Reyes Samblas Martinez
http://www.tuxbrain.com
Open ultraportable & embedded solutions
Ben NanoNote, Arduino, Openmoko
Hey, watch out!!! There's a linux in your pocket!!!




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