Thursday, July 22, 2010

Using the Neo Freerunner as a GPS receiver

This is fantastic, figured out how to use the Neo Freerunner as a GPS receiver for my Netbook. First off, I installed Debian 5.0 in VMWare Workstation onto my Acer Netbook running Windows 7. Then I booted the Freerunner which is running a version of Debian (Hackable1) , connected it to USB, and configured the USB0 port on the netbook using the following commands:

# iptables -A POSTROUTING -t nat -j MASQUERADE -s 192.168.0.0/24
# sysctl -w net.ipv4.ip_forward=1
# ifconfig usb0 192.168.0.200

Once we have networking up and running we can now run TangoGPS on the Netbook, and then go into configuration and set the GPSD to point to the Freerunner, default IP is: 192.168.0.202 and the Port is 2947. Allow a few minutes for the Freerunner to acquire satellites and download map tiles. There are 3 map souces to choose from:

1. OSM - Open Street Map
2. Topo
3. Open Cycle Map

There is a 4th Google one but it is for testing only.

I am using OSM for now. It allows you to save tracks and using some other tools to upload those tracks into the OSM database. There is a tutorial on this at: www.tangogps.org/gps/cat/Documentation.

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