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Re: [gpsd-dev] GPSD for AOSP

From: ABOU ZID Ahmed
Subject: Re: [gpsd-dev] GPSD for AOSP
Date: Wed, 24 Oct 2018 12:42:39 +0200

Hello !


Ok so to be more clear :


I would like to use GPSD deamon to read on /dev/ttyUSBX (ttyUSBX represents my USB GPS)


Here it’s what I’m using for my own Android GPS HAL :

I would like to replace this code by a connection with GPSD deamon on TCP socket instead. In summary, I would like to abstract the device connection with GPSD.


I know that GPSD is forwarding GPSD data (latitude, longitude, bearing, timestamp etc...) to clients.


I don’t know if you understand correctly what I would like to do.

It’s very simple but just need GPSd running on Android that’s all.


For that I just need to adapt the makefile for Android. But yeah, as sconst is not that clear... I don’t understand which .c file are you compiling only for GPSD (deamon).


So if someone can help me doing that, it would be great!





Sent from Mail for Windows 10


From: Gary E. Miller
Sent: 24 October 2018 03:13
To: gpsd dev
Subject: Re: [gpsd-dev] GPSD for AOSP




On Tue, 23 Oct 2018 17:00:54 +0200

ABOU ZID Ahmed <address@hidden> wrote:


> What I would like to do, is to use GPSD to read GPS localisation


What do you mean by "GPS localization'?  gpsd only read from GPS

devices, directly or indirectly.


> and

> make a custom HAL that will connect to GPSD in Socket. And then, this

> HAL will forward information to Applications.


Once you say 'HAL', you are into an area I know nothing of...


Except I though HAL meant hardware Abstraction Layer, and no hardware

in sight.


And why not have the app directly connect to gpsd?


> For that, first of all, I just need to compile GPSD for Android and

> then customise my HAL to get GPS data from GPSD.


I doubt that is all.  Where will gpsd get its data from?  Why not use

the AOSP location API?


> That’s why I was asking for a GPSD in AOSP, that would be very great

> for my use case.


We do not know of such a thing.  If you write that, or find that, send

us the code.  We can give you help, but we have no expertise in AOSP






Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703

       address@hidden Tel:+1 541 382 8588


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