Full VirtualStick support in MSDK5?

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Alexis Glass

• July 20, 2022 14:35

With the production release of MSDK5, IVirtualStickManager seems to offer quite limited low-level control. Is there a roadmap to support the features of MSDK4 - notably:

• setVerticalControlMode
• setRollPitchControlMode
• setYawControlMode
• setRollPitchCoordinateSystem

and more generally support the feature set of MSDK4? If so, when can we expect it? If not, is there another API which will offer similar capabilities?

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  DJI Developer Support

  • July 21, 2022 02:45

  Actually the IVirtualStickManager was encapsulated by the KeySendVirtualStickFlightControlData, so I assume you want to directly operate those keys. Please refer to the code below. controlParam.setVerticalControlMode(verticalControlMode); controlParam.setRollPitchControlMode(rollPitchControlMode); controlParam.setYawControlMode(yawControlMode); controlParam.getRollPitchCoordinateSystem(rollPitchCoordinateSystem); controlParam.setVerticalThrottle(verticalThrottle); controlParam.setYaw(yaw);controlParam.setPitch(pitch); controlParam.setRoll(roll); KeyManager.getInstance().performAction(KeyTools.createKey(FlightControllerKey.KeySendVirtualStickFlightControlData), controlParam, Callback);

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  Alexis Glass

  • July 21, 2022 07:55

  Ahh, ok. I didn't find that in the API reference documentation and somehow didn't turn up Brien Crean's previous post on the subject (which I now found when I searched specifically for KeySendVirtualStickFlightControlData).

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  DJI Developer Support

  • July 21, 2022 09:56

  I just wrote an article regards to what you are asking. Please have a read, https://sdk-forum.dji.net/hc/en-us/articles/8697869415577-Chapter-6-The-virtual-stick

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  Alexis Glass

  • July 21, 2022 10:23

  Thank you. One question -
  
  

  • The KeySendVirtualStickFlightControlData needs to called under 5Hz.

  
  I presume that you mean the interval between calls must be under 200ms and that the frequency of calls must therefore be greater than 5Hz, as is the case with V4. Is this correct?

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  DJI Developer Support

  • July 21, 2022 10:26

  Yes, it is the same as v4. The range is 5-25Hz but I found the dev team call it in 5Hz in source code. So I wrote 5Hz in the article.

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  Alexis Glass

  • July 21, 2022 10:56

  The range is 5-25Hz but I found the dev team call it in 5Hz in source code. 

  
  Does that mean that there's no benefit to calling at a frequency greater than 5Hz?

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  DJI Developer Support

  • July 22, 2022 02:47

  Of course, from 5 to 25Hz, there is no difference in terms of joystick movement, but this will consume lots of thread resource. So you want to use less thread resource as possible.

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