[FOSS-GPS] RTKLIB raw data

Tomoji TAKASU ttaka at yk.rim.or.jp
Sat Oct 26 09:07:15 PDT 2013


Dear hnightd

> I'm new in these wanderings with gps rtklib. I've been searching for some
> information on the intended and found nothing.
> What I was wondering if anyone knew, it was the function that takes the 
> raw
> data directly from the GPS. I've looked at the file in the file rtkrcv.c 
> and
> rtkraw.c and not found anything.
> If someone can explain me or tell how it works was grateful.

RTKLIB has a little complicated structure but
the basic APIs are not so difficult to use.

To decode input receiver raw data stream,
use input_rtcm2() or input_rtcm3() for RTCM
and input_raw() for other proprietary formats.

These APIs feed a byte stream and return
except for 0 if a raw message received. The
received message is saved in observation or
navigation data buffer in rtcm_t or raw_t
struct.

After receiving the observation data, you can
call rtkpos() to process them.

For details of real-time cycle, read codes of
rtksvrthread() in rtksvr.c.

I am going to prepare an API reference manual
for programers as well as python-binding of
APIs. They will be involved in future versions.

regards,

*********
Tomoji TAKASU

--------------------------------------------------
From: "knightd" <tf_ale at hotmail.com>
Sent: Saturday, October 26, 2013 4:08 AM
To: <foss-gps at lists.osgeo.org>
Subject: [FOSS-GPS] RTKLIB raw data

> Hey,
> I'm new in these wanderings with gps rtklib. I've been searching for some
> information on the intended and found nothing.
> What I was wondering if anyone knew, it was the function that takes the 
> raw
> data directly from the GPS. I've looked at the file in the file rtkrcv.c 
> and
> rtkraw.c and not found anything.
> If someone can explain me or tell how it works was grateful.
>
> Yours sincerely
>
>
>
> --
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