search

michelcandido / btstack

Automatically exported from code.google.com/p/btstack
0 stars 0 forks source link

BTStack GPS location accuracy based on satellites #102

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
This is more of s feature request but the location accuracy registered with the 
system ( eg how big of a blue ring is around the dot) should be based on how 
many satellites you have or something. It would be useful for me.

Original issue reported on code.google.com by AgentBap...@gmail.com on 26 Nov 2010 at 4:10

GoogleCodeExporter commented 8 years ago 
thanks for the request. can you come up with a formula how to convert nr of 
satellites into size of blue ring in meters :) ?

Original comment by matthias.ringwald@gmail.com on 26 Nov 2010 at 4:30

GoogleCodeExporter commented 8 years ago 
I honestly wouldn't care if it was accurate. I'd just estimate based on a 
average. Like 3-4 satellites 10-8 meters (that's how some other phones like 
android do it). 5-6 satellites 5-8 meters. 7-8 satellites 3 meters. Anything 
above that could be 1 meter. That's just an example I made up using what I've 
seen on Android phones. I don't think they actually know what the accuracy is 
they just guess based on satellites and maybe other factors. It would be useful 
to
me so I don't have to flip back to btstack gps to see satellites .

Original comment by AgentBap...@gmail.com on 26 Nov 2010 at 4:57

GoogleCodeExporter commented 8 years ago 
Roqybt4 does this. I don't see why btstack couldn't.

Original comment by AgentBap...@gmail.com on 9 Dec 2010 at 8:57

GoogleCodeExporter commented 8 years ago 
the 1.6 release uses "accuracy" = HDOP * 10m (as suggested by the Harald 
Schlangmann, the author of Harry's LapTimer).

Original comment by matthias.ringwald@gmail.com on 29 Nov 2011 at 10:03