On 10/11/2012 07:57 PM, jonsm...@gmail.com wrote:
> On Thu, Oct 11, 2012 at 6:18 PM, João Paulo Bodanese
> <joao.bodan...@gmail.com> wrote:
>> Hi,
>>
>> I'm beginner in IEEE802.15.4 technology. In my master's degree work,
>> we have to build a node (raw 802.15.4) in the
>> Beaglebone board.
> Buy an Econotag and plug it into the USB port.
> http://mc1322x.devl.org/hardware.html#econotag
>
> You're done.
>
> There is a serial driver in the kernel 802.15.4 support that will talk
> to the Econotag.
Maybe I'm a bit confused, but from my experience there are a few things
wrong with those statements....
1. the Linux-zigbee tree at sourceforge hasn't been touched in 6 months.
That won't boot a beagle bone.
2. The econotag driver is not in the mainline kernel. It is only in the
linux-zigbee kernel tree.
3. The mainline kernel will not boot a beagle bone.
4. The "current" beaglebone kernel is based on a TI tree which doesn't
have any of the 802.15.4 stuff in it.
It's possible stuff changed when I wasn't looking, but those three
points are my current understanding of the situation.
However, there's some experimental stuff that Koen Kooi is putting
together here:
https://github.com/beagleboard/kernel/tree/3.7
There are build instructions. As far as I know, the latest 802.15.4
stuff is in the mainline now as of the 3.7 cycle. I do not believe there
is anything in net-next which is not now in mainline (again, unless it
changed when I wasn't looking).
This is similar to what I'm running, except I'm running a slightly older
net-next, which should have all the same 802.15.4 code as the 3.7 series
mainline.
>> Is there any related work to build this stack in the Beaglebone? I
>> have little experience with Linux, so i don't know how much effort
>> could take to port this stack to the beaglebone. I saw similar work to
>> the Blackfin STAMP Board.
>>
Should be no porting needed.
If you're only interested in connecting it to a beagle bone, I'd
recommend looking at an MRF24J40MA from Microchip (but I'm biased, since
I wrote the driver for it). It's a $10 module and SPI (ie: you'll need
to do some soldering), and supported in 3.7 series mainline. If you use
the kernel method above, you'll need to add it to the device tree. (I
actually have a small board driver that sets up my board, you could do
that too.).
Econotags are good, don't get me wrong (I have one, and may grab
another). If you might want to plug it into the PC at some point, go
with one of those. Mar is a good guy and makes solid hardware. Use the
best tool for your particular job.
Alan.
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