MOP transfer

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LeoMrn

• 2023年06月02日 07:58

Hello ! 

I have a question, we tried with success a MOP transfer OSDK to MSDK. We are using a RTK Smart Controller (M300 RTK), we still have two questions :

1 - Why can't we connect to MOP if STABLE parameter is disabled ?

2 - The smart controller seems not to support the transfer and is very laggy. Sometimes there even are crash. How to solve this problem ? 

 

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  DJI Developer Support

  • 2023年06月02日 09:43

  1 - Why can't we connect to MOP if STABLE parameter is disabled ? -->What is the error message? Are you sure that your PSDK device is supporting unreliable transmission? 2 - The smart controller seems not to support the transfer and is very laggy. Sometimes there even are crash. How to solve this problem ? -->Could you give us the crash log? What is the exact manifestation of the delay?

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  LeoMrn

  • 2023年06月06日 07:46

  Here is below our MOP test to help you understand our situation.

   

  1. The error message is just a message saying that we can't connect to MOP. I don't know? We are using a M300 RTK with firmware version 6.01.0100 (same for RC) and using MSDK5.3.0 and PSDK 3.4.0. As you can see, it works with unreliabble transmission and seems not working woth stable transmission. Does it mean that the transmission type depends of the PSDK device?
     
     
  2. I don't think it's a crash, its might be more a timeout of the app. We think it's about the computer power of the RTK Smart Controller. You can refer to the video attached for more understanding. 

  VID_20230602_135240.mp4

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  DJI Developer Support

  • 2023年06月06日 14:50

  You can upload the video to this address:https://pan-sec.djicorp.com/s/osG9zgfict5bzW5 MOP is related to the configuration of PSDK. If it is a problem on the PSDK side, we can learn the details through the PSDK logs.

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  LeoMrn

  • 2023年06月07日 09:34
  • 已编辑于

  I uploaded another video. Since the last message, we have managed to transfer one character which doesn't make the radio control lager. Could the amount of data flow in the transfer be the cause of the bug? 
  And it's only working with parameter UNRELIABLE and not STABLE, do you have any idea why?

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  DJI Developer Support

  • 2023年06月07日 12:58

  The pipelineIDs of stable and unstable channels are different, 492153 corresponds to the stable channel and 492152 corresponds to the unstable channel.

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  LeoMrn

  • 2023年06月07日 14:08

  Thanks for this precision, we tried the stable channel but as you can see with the second video I uploaded, the connection is working well but the transmission seems not. 

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  DJI Developer Support

  • 2023年06月08日 07:58

  This should be the design of the PSDK sample. The reliable channel transfers files, and you can open the MOP Upload/Down Page in the MOP page to examine the data transferred by the reliable channel.

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  LeoMrn

  • 2023年06月08日 10:58
  • 已编辑于

  Whats is the real goal of the reliable channel? is that to transfer files only? where is store the file?

   

   

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  DJI Developer Support

  • 2023年06月09日 08:02

  Did you modify the PSDK code on top of the sample? Because I checked the code logic of J counterpart and it is not designed to transfer MOP. If you are using the MOP function provided by sample directly, the attachment is the address to send the file.

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  LeoMrn

  • 2023年06月09日 09:18

  Yes we did.
  
  

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  DJI Developer Support

  • 2023年06月09日 14:30

  Here is the path of the MOP transfer file.：%smop_channel_test_file/mop_send_test_file.mp4

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