[DJI-log-discuss] RC_GPS record format

Chris christian at ullihome.de
Sun Jan 26 22:47:39 PST 2020


For the Flight records i have that seems not to match.

I would also wonder why all formats in this are completely different to 
the seens time and lat/lon formats.

Am 27.01.20 um 03:49 schrieb Brett Spell:
>
> Ross,
>
> Here’s what I believe to be the format of the RC_GPS (type 11) record 
> found on older models, and I’ve also attached a TXT that includes 
> instances of the record. Note that the first six fields represent a 
> “Startup timestamp” field that’s a bit funky in that it doesn’t use 
> epoch milliseconds (or seconds) to represent a date / time value and 
> is local to GMT.
>
> Brett
>
> P.S. I’ve also seen the record present but with all zeroes for the 
> field values.
>
> *Offset*
>
> 	
>
> *Length*
>
> 	
>
> *Type*
>
> 	
>
> *Units*
>
> 	
>
> *Description*
>
> 0
>
> 	
>
> 1
>
> 	
>
> Unsigned integer
>
> 	
>
> Hours
>
> 	
>
> Hour of day (0-23)
>
> 1
>
> 	
>
> 1
>
> 	
>
> Unsigned integer
>
> 	
>
> Minutes
>
> 	
>
> Minute (0-59)
>
> 2
>
> 	
>
> 1
>
> 	
>
> Unsigned integer
>
> 	
>
> Seconds
>
> 	
>
> Second (0-59)
>
> 3
>
> 	
>
> 2
>
> 	
>
> Unsigned integer
>
> 	
>
> Year
>
> 	
>
> e.g., 2020
>
> 5
>
> 	
>
> 1
>
> 	
>
> Unsigned integer
>
> 	
>
> Month
>
> 	
>
> Month (1-12)
>
> 6
>
> 	
>
> 1
>
> 	
>
> Unsigned integer
>
> 	
>
> Date
>
> 	
>
> Date (1-31)
>
> 7
>
> 	
>
> 4
>
> 	
>
> Signed integer
>
> 	
>
> Degrees * 10000000
>
> 	
>
> Latitude
>
> 11
>
> 	
>
> 4
>
> 	
>
> Signed integer
>
> 	
>
> Degrees * 10000000
>
> 	
>
> Longitude
>
> 15
>
> 	
>
> 4
>
> 	
>
> Signed integer
>
> 	
>
> Millimeters per second
>
> 	
>
> East / west velocity
>
> 19
>
> 	
>
> 4
>
> 	
>
> Signed integer
>
> 	
>
> Millimeters per second
>
> 	
>
> North / south velocity
>
> 23
>
> 	
>
> 1
>
> 	
>
> Unsigned integer
>
> 	
>
> Integer
>
> 	
>
> Satellite count
>
> 24
>
> 	
>
> 4
>
> 	
>
> Float
>
> 	
>
> ?
>
> 	
>
> “Accuracy”?
>
> 28
>
> 	
>
> 1
>
> 	
>
> Unsigned integer
>
> 	
>
> Enumeration (?)
>
> 	
>
> “Status”?
>
>
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