Thread: Porting Sailfish to N9
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juiceme is offline juiceme
2013-10-11 , 18:05
Community Council | Posts: 4,920 | Thanked: 12,867 times | Joined on May 2012 @ Southerrn Finland
#135
Originally Posted by mikecomputing View Post
why cant we just access that chip direcly? or did Nokia put some firmware inside that chip that is binary crap instead of NMEA?
You got it nailed!

Nobody makes (or uses actually) anything that gives out NMEA any longer

It's all about power saving and cost today. GPS chips are just the RF frontend and decoder, and the actual positional calculation is done by the main CPU. This makes kind of sense as then it is easier to use ephemerals downloaded thru net.

Most chipsets implement a variation of a proprietary binary protocol called MEIF ghich has been developed by Nokia (and N9 uses it also)
 

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