Replies to This Discussion

DeveloperPermalink Reply by Michael Oborne on July 10, 2012 at 4:33am

to use it without a transmitter you will need to override a few things. mainly the radio trim

 

in system.pde line 320

trim_radio(); needs to be removed so the trim center point dont change each reboot.

 

you will also need to manual put start and end point on all the first 4 radio channels.

RC1_MIN = 1000

RC1_MAX = 2000

RC1_TRIM = 1500

NOTE you can overdrive servos if your not carefull with these values 

if you do that for all channels you should be able to control it using the joystick without any rc.

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Permalink Reply by Kabir on July 10, 2012 at 6:25am

Thanks Micheal,

I'll do a recompile of the latest ArduPlane with those modifications when I get back home!

Kabir

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Permalink Reply by Connor on September 4, 2012 at 5:49am

where do i find the 

"RC1_MIN = 1000

RC1_MAX = 2000

RC1_TRIM = 1500" in the code? Or do i have to just copy and paste it in somewhere for RC1 to RC4. Thanks for all the help. :) 

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Permalink Reply by Nick Kenrick on April 28, 2013 at 4:57pm

Hello!

I'm new to a lot of this stuff, and I'm trying to do joystick control as well and ran into the same problem. Maybe this is a dumb question but I couldn't figure it out.

Where is system.pde, and how do I modify it?

-Nick

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Permalink Reply by hoquet on August 16, 2012 at 9:22pm

Were you able to get it working without a R/C? I have only a joystick and do not even own a radio either. I have the same problem as you.

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Permalink Reply by Connor on September 2, 2012 at 9:11am

Is this the correct way to set up the APM 1 for joystick control only? My RC isn't great anymore and i would like to swap over to just using the joystick but didn't know how to do it.

Do you just edit the code in the arduino interface?

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Permalink Reply by Connor on September 3, 2012 at 2:52pm

I have edited the code in the arduino IDE but it will not upload. I deleted "trim_radio()" and put

"RC1_MIN = 1000

RC1_MAX = 2000

RC1_TRIM = 1500"

For channels 1 to 4 in its place. Is there a way of getting the APM Planner upload the edited code with the minor change or do I have to use the Arduino IDE?

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Permalink Reply by Connor on September 3, 2012 at 3:23pm

Is it then placed in the APM planner? Sorry for all the Qs never really edited the code before. Never went well in the past lol. Thanks again for all the help :)

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Permalink Reply by Connor on September 2, 2012 at 9:38am

Monroe,

Thanks for the quick reply. I'm getting rid of my rc and I am going to try to get 10km from the 3DR radio's i seen somewhere that they have already got 7.6km+

If I reduce the telemetry refresh will this slow down the tracking on my Antenna tracker? 

Thanks for all the help again 

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Permalink Reply by Connor on September 2, 2012 at 9:51am

Monroe,

Thanks for all the help, I'll buy all the bits this week and report back in a next weekend to see if the setup works :-)

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Permalink Reply by Kabir on September 2, 2012 at 6:16pm

Just an update for you guys, Joystick control works perfectly with Micheal's mods in the code.

A problem that I seem to have, even after calibrating the joystick in windows and in MP via Radio Calibration, there seems to some dead zone around the servos. I manually set the dead zone to 1 on all the channels, but if 1 elevon channel gets fixed, the other gets messed up.

In auto mode, the elevons are in their mean position, but switching to manual (joystick) deflects any one elevon by 8 - 9 degrees.

Setting all the MAX-MIN value to 2000-1000 and trim to 1500 results in the same problem. This is a recent problem, and had not happened before. 

Would appreciate any help on this.

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DeveloperPermalink Reply by Michael Oborne on September 2, 2012 at 9:20pm

check expo in the joystick option is turned off ie 0

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