[FOSS-GPS] RTKLib processing power

[Josh Leighton]

Hi Weber,

There's nothing specific to the A9 that would make compiling RTKLib a
problem.  Whether you encounter trouble will most likely depend on what
linux distribution you end up running.

We compile the linux kernel ourselves so we can build our own debian image,
where apt-get makes life pretty easy when it comes to compiling RTKLib or
other such libraries.  Depending on the community support for your hardware
and what pre-built images are available, debian may or may not be an option
for you.  I always recommend others to use debian because it makes package
management and compatibility so easy.

I don't think RTKLib has many dependencies though, so regardless of what
you're running you should have an easy time of it.

Best of luck,
-Josh


On Tue, Oct 1, 2013 at 3:32 PM, weber de souza calixto <
webersouzacalixto at gmail.com> wrote:

> Josh,
>
> I'm back on this project.
>
> A question: Did you have problems to compile RTKLib to A9 processor?
>
> In the following weeks I will to compile it, I'm just waiting my dev board
> to arrive (
> http://br.embeddeddeveloper.com/tools/2654/Newark-element14/MCIMX6Q-SL.htm
> )
>
> Weber
>
>
>
>
> 2013/8/22 weber de souza calixto <webersouzacalixto at gmail.com>
>
>> Hi,
>>
>> Josh thanks for sharing your experience. Sure it is helping me a lot to
>> choose the processing platform. Right now I`m inclined to choose a
>> quad-core 1.2 Ghz A9 to start testing.
>>
>> Danny, to use raspberry or beaglebone is dependant on your needs. In my
>> case I cant wait RTKLib to compute and then shoot the picture. Airplanes
>> can`t hover :)
>>
>> Weber
>>
>>
>> 2013/8/22 Danny Miller <dannym at austin.rr.com>
>>
>>>  What about Raspberry Pi and Beaglebone Black?
>>>
>>> Danny
>>>
>>>
>>> On 8/21/2013 7:42 PM, Josh Leighton wrote:
>>>
>>> While I can't speak very scientifically, I can report on our experiences
>>> running rtklib on gumstix embedded linux computers.  Previous we used a
>>> Gumstix Overo with an ARM cortex-A8 (single core) at 800MHz I believe.  We
>>> couldn't reliably do more than 1Hz RTK alongside the other processes we
>>> were running.  If I recall correctly, rtknavi was using ~15% cpu at 1Hz.
>>>
>>>  Now with a Duovero (dual core, arm cortex-A9 at 1GHz) we have no
>>> problem running RTK at 5Hz.  Cpu usage is still around 15%.
>>>
>>>  Hope that's of some help to you.
>>>
>>>  -Josh
>>>
>>>
>>> On Wed, Aug 21, 2013 at 8:19 PM, Weber <webersouzacalixto at gmail.com>wrote:
>>>
>>>> Hi all,
>>>>
>>>> Question: How much processing power to get real time RTK corrections
>>>> from RTKLib?
>>>> I'm thinking of using uBlox LEA-6T-0 (5 Hz RAW update) on both
>>>> basestation and rover (a UAV), with RTKNAVI or an adaptation running on the
>>>> rover so I need to choose a onboard computer capable.
>>>>
>>>> Thanks,
>>>>
>>>> Weber
>>>>
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>>
>>
>> --
>> Weber de Souza Calixto
>>
>>
>
>
> --
> Weber de Souza Calixto
>
>
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