[MSDK 5.10.0] Performing KeyRestoreFactorySettings action
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Hi! I'm maintaining an existing codebase where the KeyRestoreFactorySettings action is performed on every connection of the RC to the aircraft. However, the API reference provides very little information about this key: "Restore gimbal parameter to fatory setting." (by the way, there is a typo in "factory" =)).
Usually, on the first connection to the aircraft, it works without any issues. However, on subsequent reconnections (e.g., after a battery change or when the RC loses the aircraft signal), I receive the following error:
ErrorImp{errorType='CORE', errorCode='REQUEST_HANDLER_NOT_FOUND', innerCode='-1', description='null', hint='error code = -1'}
From my perspective, resetting the gimbal settings every time the aircraft reconnects seems excessive. It could even lead to problems if it happens during a waypoint mission, please correct me if I'm wrong.
So my question is: does it make sense to use this option in such a manner? Or should it only be used once at the beginning of a session? Also, what specific settings does this option reset?
Additionally, I found another key: KeyGimbalException. As far as I understand, it returns a structure containing gimbal diagnostics, but I couldn't find any information about it in the API reference. I also noticed that the "REQUEST_HANDLER_NOT_FOUND" error only occurs if KeyGimbalException returns null before I perform the KeyRestoreFactorySettings action, even when the aircraft is already connected to the RC.
Do you have any information or advice on using KeyGimbalException?
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Dear Developer, Hello and thank you for reaching out to DJI Innovations. I'll report the typo of "fatory" to the person in charge of the relevant documentation. The prompt "REQUEST_HANDLER_NOT_FOUND" might indicate that the gimbal is not yet connected. You can wait until the gimbal is connected before calling _KeyRestoreFactorySettings_. You can use _GimbalKey.KeyConnection_ to get or listen to the gimbal connection status. _KeyGimbalException_ is not a key for public use. It hasn't undergone strict testing and verification, so it's not recommended to use it. If you just want to restore the gimbal's attitude to the centered state, it's recommended to use _KeyGimbalReset_, which should be sufficient. If the gimbal exhibits abnormal behavior or malfunctions, such as being unable to calibrate properly, shaking, or having a slow response, or if you want to completely clear the user - defined configurations and settings, the _KeyRestoreFactorySettings_ option to restore factory settings may help solve these problems. We hope that our solution meets your needs satisfactorily. We appreciate your email and wish you a wonderful day! Best Regards, DJI Innovations SDK Technical Support Team
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