Re: [Gumstix-users] GPS for Overo board

[sanketdoshi <sd...@se...>]

Hi,

I am a student at University of Pennsylvania. We ordered a couple of Overo
Fire boards with Summit expansion boards. I looked at the GPS receiver that
you mentioned. I am new to the World of GPS and don't know what to look for
while selecting a receiver. Also, is there a way to know whether I will be
able to use a particular receiver with the the Gumstix as in terms of
weather I will be able to load the drivers for it. Any help will be useful.

Also, completely off the topic but there is a GPSD connection on the Summit
board. Is it possible to use the GPS( not a USB one) and use the GPSD
connection on the board?

Thank You

Sanket Doshi
sd...@se...


gnmckinney wrote:
> 
> 
> Radio Engineer wrote:
>> 
>> Hello,
>> I am planning to purchase an Overo motherboard with the Summit expansion
>> board.
>> Is there a GPS board that is compatible with the Overo?
>> Thank you.
>> Marcus
>> 
> 
> As others will tell you the Overo Earth with Summit board does not have
> any other Gumstix boards that will snap on to the combo.
> 
> I am using a 2.0 Hub connected through the USB-OTG port (currently wired
> as a host port) on the Summit board and have a USB GPS receiver connected
> to the USB HUB.
> 
> Unless you plan to use both the host USB port and the USB OTG port you
> will need to connect a 2.0 hub not only to allow multiple USB devices to
> be connected, IE: keyboard, mouse and USB Ethernet adapter but also to
> supply external power as the Summit board can only supply about 100-ma
> total to the USB port and the USB port is HS only.  Most good hubs will
> handle the different USB device speeds for you.
> 
> The GPS unit I am currently working with is available from Buy GPS Now
> (http://www.buygpsnow.com/Canmore-GT-730F-USB-GPS-Dongle-with-A-GPS-Support__1037.aspx)
> and for $30 (usd) you would be hard pressed to find another one with the
> same specs!
> 
> One more thing - you will need to recompile the kernel to supply the USB
> PL2303 kernel driver to connect to the USB GPS unit.  This is not a hard
> thing to do once you figure out the openembedded development environment.
> 
> I hope to document and place the instructions on the wiki as to how to
> connect a GPS unit to the Overo Earth and Summit board combo - pretty
> straight forward but I need to find the time to do it!
> 
> Hope this helps...
> 
> gm...
> 

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