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Re: Arduino TRE



On Fri, Oct 4, 2013 at 3:59 PM, Beco <rcb@beco.cc> wrote:
> On 3 October 2013 21:28, Luke Kenneth Casson Leighton <lkcl@lkcl.net> wrote:
>> On Fri, Oct 4, 2013 at 12:56 AM, Beco <rcb@beco.cc> wrote:
>>
>>  512mb of RAM.  it's not clear whether that's a 16-bit data path or a
>> 32-bit data path, but a 1ghz AM335x is only a single-core ARM Cortex
>> A8.  it also only uses MicroSD for boot (which means it's 4-bit not
>> 8-bit).
>>
>>  basically it'll be intolerable as a desktop system.  ok, if you can
>> tolerate a desktop from 4 years ago (LXDE etc.) you'll do fine.
>>
>>  as an embedded system it's absolutely fantastic.  a full 1ghz CPU
>> running debian, with networking and so on?  it's perfect.  you'd be
>> able to run a web server, printer server, connect it to a 3D printer's
>> servos, use the 1ghz CPU for uploading 3D CAD/CAM files, have them
>> processed (overnight probably...) by the 1ghz CPU, then control the
>> ATMega (again from the 1ghz CPU) to do the actual 3D printing.  and
>> you could have an HDMI monitor showing the image of the product in 3D
>> as it was being printed.
>>
>>  that kind of scenario and many more like it, it'd be perfect.  but
>> for actual desktop usage? flat-out forget it.
>>
>> l.
>
>
> Hi Luke,
>
> Thanks for your to thoughts! Now you make me wonder about the size of
> an "int", and maybe the size of a "char".

 standard sizes for a 32-bit ARM Cortex A8.  8-bit for char, 32-bit for int.

 l.


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