zd880105132 / ardupilot-mega

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APM 2.5/fw 2.73: RTL and Loiter do not work as advertised #919

Open GoogleCodeExporter opened 8 years ago

GoogleCodeExporter commented 8 years ago
My AP is arduplane 2.5, fw 2.73 and even thou everything looks OK and my 
AHRS_GPS_USE = 1, RTL and LOITER does not work as expected. LOITER will start 
ok but after one round will fly away.
When RTL engaged, it will come home but then fly away and I have to switch to 
Manual to get it back home before it flies to nowhere. I am using GPS from 
http://www.rctimer.com/index.php?gOo=goods_details.dwt&goodsid=763 which works 
great and by telemetry I see on my GS that when RTL  is engaged the yellow line 
always point to HOME, even when it reaches home and then fly away  - it always 
point to HOME but still flies away - so, it looks like it knows where home is 
perfectly, but disregards this fact and flies away..

Please help.
Thank you.

What is the expected output? What do you see instead?
FOR Loiter and RTL to come back home and circle around till I take control.

What version of the product are you using? On what operating system?
APM Mega, firmware 2.73, AHRS_GPS_USE = 1, Ublox GPS.
Please provide any additional information below.
I can't find anything on the web to help me understand what is going on here.
I am disappointed.

Original issue reported on code.google.com by navig...@gmail.com on 30 May 2013 at 5:27