Comment by Paul Drews on December 2, 2010 at 10:12pm

Has anyone been maintaining the mavlink branch? I just tried to grab and build it using these instruction, but it seems to be out of date compared to the latest ArduCopter libraries. I did notice that the APM trunk has some mavlink code in it, so I am going to try to build it next. Is the APM trunk stable enough to try to fly with? I would really like to have qgroundcontrol(mainly in-flight gain tuning), but it is a beast getting all this stuff to build.

Comment by James Goppert on December 2, 2010 at 11:08pm

The mavlink dev branch is the one in sync with the apm trunk. (git clone "mavlinkurl" -b dev) I have hil running right now with in flight gains etc. I'm debugging some issues with the imu and flight modes as we speak. I wouldn't fly apm trunk until you can get a good hil run going. Hopefully I"ll have that working for me tonight though. It was previously working but we made some eeprom changes.

Comment by Paul Drews on December 3, 2010 at 12:17am

Awesome, thanks. I will keep an eye on the trunk. I just got my APM board a few days ago, and am developing under linux so I have no HIL. I will stay out of the main branch until I get a few flights under my belt. However, I hope to eventually help with development.

Any chance another stable APM release will be coming out any time soon?

Comment by James Goppert on December 3, 2010 at 1:22am

Sounds Great! I work exclusively on linux so you should be all set for HIL. I use the oooark scicoslab toolbox to talk mavlink to APM over Serial0 and then talk to qgroundcontrol on Serial3. http://oooark.git.sourceforge.net/git/gitweb-index.cgi

Comment by James Goppert on December 3, 2010 at 1:23am

The development team is pushing hard to have a new stable release soon. There have been some great flights on the beta branch but there are still a few kinks to work out.

Comment by Paul Drews on December 3, 2010 at 8:01am

Sweet! Glad to hear there is Linux support for all this. As soon as I get a few flights in, I will start poking around and see if I can get all this setup. I am quite glad I am not the only nut who likes linux.

Comment by Juan Enrique Martin Boix on December 12, 2010 at 2:47am

Hi ,if you follow pixhawk recommendations about Xbee ,115K baud is toomuch for bidirectional communications ,Do you agree?

http://pixhawk.ethz.ch/wiki/tutorials/how_to_configure_xbee

Bye!!

Comment by James Goppert on December 12, 2010 at 4:34am

Thanks for the info Juan. I have been using it on my desktop at 115200 with the XBee 900 Mhz modules and it has been functional. I haven't flown everything in the field yet so maybe I'll run into this problem at longer ranges?

Comment by Juan Enrique Martin Boix on December 12, 2010 at 4:14pm

http://pixhawk.ethz.ch/wiki/electronics/communication?s[]=xbee

They talk about "drop rates"  ?????

 

Is it possible for you to explain step by step, how to build the Qgcs with the Qtcreator. Why can´t  be created yet a built 0.7.7 ? Can you?

By the way ,I´m a total noob .....git was enough for a weekend and running and example in qt was a full sunday morning :))))

Comment by Rhett Walker on January 25, 2011 at 2:16pm

Hi,

I followed the directions exactly, but every time i try and upload the code it gives me the error:

" 'APM_ADC_HIL_Class' does not name a type"

does anyone know what might be the issue?

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