chohyeonsoo / ardupilot-mega

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Mission Planner reports NO GPS while secondary GPS is up and reporting. #969

Open GoogleCodeExporter opened 8 years ago

GoogleCodeExporter commented 8 years ago
What steps will reproduce the problem?
1. Attempting to test run a Pixhawk with only one (working) GPS, the secondary, 
connected to the serial 4 port.
2. No primary GPS connected to the Pixhawk GPS port.
3. Connecting Mission Planner to Pixhawk on USB.

What is the expected output? What do you see instead?
Benchtest: Expect to see a normal GPS reporting on PFD display and in status 
tab GPS data. Possibly also a cauction notification about "only secondary GPS".
The MP PFD reports NO GPS and in status tab there is no signs of updated GPS 
data, except GPS time. Still it seems like MP is presenting the plane map 
position as reported from the secondary GPS:

What version of the product are you using? On what operating system?
MP 1.3.1, Win 8.1 64
Pixhawk, firmware 3.0.2
Secondary GPS uBlox LEA6 v1.1
GPS type parameter for both GPS: AUTO

Please provide any additional information below.
In CLI mode / TEST / GPS, the secondary GPS is reporting values OK.
Though it would be nice to be able to distinguish values from a primary and 
secondary GPS (and maybe it is actually possible, I just tested with secondary 
GPS only connected...)
/ Tom

Original issue reported on code.google.com by tomas.so...@gmail.com on 7 May 2014 at 3:30

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