Comment by Tim Michals on January 3, 2011 at 11:33am

I've been looking at this also, but GumStix, does not support AP mode that I could find.  The only thing I found was the pandaboard with a new firmware load for the wlink 6.0 that handles up to six connections.  One of my other ideas was use a USB Wifi and a beagle board or something simpler, but have not found a USB dongle that supports AP managed mode.  ie www.pandaboard.org

3D Robotics Comment by Jordi Muñoz on January 3, 2011 at 11:33am

@Matiaz Cimpersek, the PIC Wifi server looks great, almost everything we need to start. Thanks!

 

 

Comment by Tim Michals on January 3, 2011 at 11:36am

Also, yes adhoc mode can be used, but only at 10mbps.  There is a new standard out for peer Wifi http://arstechnica.com/hardware/news/2009/10/wi-fi-direct-protocol-...

http://en.wikipedia.org/wiki/Wi-Fi_Direct

 

The wlink 6.0 and wlink 7.0 should be able to support this feature, but the biggiest issue is getting a product to support this new mode...

3D Robotics Comment by Jordi Muñoz on January 3, 2011 at 11:39am

Now the main point here is that we have all the means to create any board, even 4 layers. We only need the right micro, the right WiFi module and the SD slot. If you know the perfect combination and would like to contribute maybe with
some coding please let me know...

 

This what I can do for you, buy you all the parts you need to build a prototype, you make it work (including the open source code), I will create a professional high end PCB and we sell it. If you are interested please send me a PM...

 

We can use any available board out there as an starting point, but take in consideration that at the end a custom board should be created to reduce prices.

Comment by Tim Michals on January 3, 2011 at 11:50am

Is there a simple WFI module, SPI, serial, or Ethernet that can be an access Point?

Comment by Benjamin Mitchell on January 3, 2011 at 11:57am

Could you also add the capability to encode video from a camera and stream it over WIFI, but also store the raw video to SD card?

3D Robotics Comment by Jordi Muñoz on January 3, 2011 at 11:57am

Yes we are working with rabbit right now, we have successfully created the access point and load a web page using the build in flash to store the HTML file, but I still trying to do the same but from the SD card.

 

http://www.rabbit.com/products/RCM5400W/index.shtml

 

If you are familiar with rabbit you may help us a little bit. ;-)

3D Robotics Comment by Jordi Muñoz on January 3, 2011 at 12:02pm

@Benjamin, I think is something we can do later to expand the system, but for now we just want to create basics. The board is mean to be on the ground.

Comment by robert bouwens on January 3, 2011 at 12:33pm

to a certain extend i miss a few points from an archtitecture point of view ;-)

http://www.atmel.com/dyn/products/product_card.asp?part_id=4692

would it not  be better to extend the apm with more functionality.

and the same chip for a ground station.

i like to reduce the wire count.

 

here we just increase everything :)

Comment by Troy on January 3, 2011 at 12:39pm

SD card can be easy to add to almost any micro.

 

Many years ago I worked on a project adding an SD card slot to a product running an Atmel mega8 (I think).  As I recall the SD cards have a basic serial interface that can be connected to a UART.  In my case the chips UART was not available so I just bit banged it with IO lines.

 

Not the fastest way to get data in and out but may be good enough depending on your needs.  Was for us.

 

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