Sean O'Connor
Sean O'Connor
  • 18, Male
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  • New Zealand
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Tricopter yaw servo reversed

Started this discussion. Last reply by Don Cramer Aug 24, 2011. 16 Replies

Tricopter yaw and throttle problem

Started this discussion. Last reply by Sean O'Connor Aug 5, 2011. 4 Replies

I Can't Compile ACM 2.0 Beta

Started this discussion. Last reply by Russell B. Sutton May 10, 2011. 5 Replies

 

Sean O'Connor's Page

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Don Cramer replied to Sean O'Connor's discussion 'Tricopter yaw servo reversed'
You will want to check for channel 7 reverse not channel 4 (as the other respondent did the other thread did).   If channel 4 is reversed now only the servo travel is reversed, the gyro commands are not. The above code would reverse the gyro…
Aug 24, 2011
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Sean O'Connor replied to Sean O'Connor's discussion 'Tricopter yaw servo reversed'
  OK. Just for completeness, and to make it easier for others coming across this. This is the code fix:   #if FRAME_CONFIG == TRI_FRAME// servo Yawg.rc_4.calc_pwm();if(g.rc_4.get_reverse() == true){APM_RC.OutputCh(CH_7, ( (-1 *…
Aug 23, 2011
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Don Cramer replied to Sean O'Connor's discussion 'Tricopter yaw servo reversed'
Besides changing the hardware to accommodate this or you can do this in code easily. I patched my AC2 code as described here:   http://diydrones.com/forum/topics/how-to-reverse-yaw-control-on-tri-copter?xg_source=activity   Its only one…
Aug 23, 2011
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Sean O'Connor replied to Sean O'Connor's discussion 'Tricopter yaw servo reversed'
I just tried it with 2.0.38 (from the downloads) and I think that you are now right. The direction seemed to change in the earlier versions - but it doesn't now. Anyone know how to fix this?
Aug 23, 2011
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Don Cramer replied to Sean O'Connor's discussion 'Tricopter yaw servo reversed'
Unless I am missing something, this is not the case. As of AC 2.0.39 (what im running now) CH4_REV only reverses the the radio input (the servo travel), it does not change the yaw single, that is still reverse. (at least it is on my tri).
Aug 18, 2011
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Sean O'Connor replied to Sean O'Connor's discussion 'Tricopter yaw and throttle problem'
I uploaded the PPM encoder hex file, but the problem is still there. The radio is still a Turnigy 9x with Frsky 2.4 GHz radio module/receiver. I am also wondering if the problem may be linked to me (and the radio) being in close proximity to the…
Aug 5, 2011
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Chris Anderson replied to Sean O'Connor's discussion 'Tricopter yaw and throttle problem'
If you have an AVR programmer, you can see if the new PPM encoder firmware fixes this: http://www.diydrones.com/profiles/blogs/beta-test-new-servo-input
Aug 3, 2011
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Sean O'Connor replied to Sean O'Connor's discussion 'Tricopter yaw servo reversed'
By reversing CH4 the apm reverses the stabilize yaw signal, if manual yaw is reversed just reverse it on your transmitter.
Jul 5, 2011

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About Me:
I am a first year uni student, studying towards a BE(Hons) in either electrical, or mechatronics - I am a bit undecided.
Tell us a bit about your UAV interest
I am really quite fascinated by UAV's and any robotics, electrical, mechatronics type stuff. It's also great seeing (and making) your own robot (-:
Hometown:
Tzaneen, South Africa --> Now in Christchurch NZ

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