[Icc-avr] Atmel/Meshnetics Zigbee Stack

[Bengt Ragnemalm]

There are several ZigBee modules with some sort of built in stack and
accepting what is usually called AT-commands. What they mean is that you do
all the controlling through the UART by means of commands.

If you go for Meshnetics, they can support both methods, application inside
module or in external MCU using AT-commands. But even if you are not using
AT commands I am not sure of the purpose of making your own stack as
Meshnetics can support an API to bundle your own code with Meshnetics code.
But I do not know enough to really tell the difference. I just know that
any module, Bluetooth or ZigBee, is very fast to set up and use if you are
using AT-commands.

The obvius advantage of bundling your code with the stack inside the module
is size and power. The disadvantage as I see it must be risc for problems
if you have real time requriments and/or a very performance hungry
application that would suffer if another application share the same MCU.

/Bengt



-------------------
> Ton, excuse my late reply. I was to busy, to do it earlier.
> 
> You are talking about the Jennic-Module, aren't you? Indeed, the Jennic
module is a
> one-chip solution, but the Meshnetics(Atmel Two Chip) module is smaller,
consumes less
> power, and utilise a ATM1281. For me, thats enough reasons to port the
Atmel Zigbee-Stack
> to iccavr.
> 
> regards,
> Thomas
> 
> > 
> > ZigBee and Blutooth cannot be compared. They are too different 
> > and serve totally different purposes. As for size and cost look 
> > again. We are producing a module, based on a single chip solution 
> > that is far smaller than any blutooth solution out there. 
> > Currently the unit costs are around $1.50 but we expect it to go 
> > below $1 soon. And as for power consumption, ZigBee offers a near 
> > total shutdown in sleep mode. End nodes need to wakeup only when 
> > they have to, for example when a switchs closes or opens. Our 
> > open/close sensor units for example, are designed to last well 
> > over a year on a 3.6 volt button cell. Obviously  their real life 
> > span depends on the number of open/close actions. 
> > 
> > Ton
> >  
> > 
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