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Need help with another instance of "sysid 1 compid 1" problem

Posted by Andy Cheng on January 29, 2013 at 10:30pm

Hello Everyone,

I'm doing an experiment with the message control between Arducopter and GCS (I used APM in this case).

Start with the basic setup, hooking up the Arducopter and GCS via USB directly and everything works fine.

For the purpose of message control I put in the middle man which is a microcontroller with 2 sets of UART running on top of it. I can use COM port tool to see data transmitting. However when I use APM to connect I'm stuck at getting parameter "sysid 1 compid 1" and the details is below:

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I also tried Ctrl + T and it connects. However I'm still not able to get parameters afterwards (no real time update from Arducopter accelerometers etc).

I'm running everything at 57600 baud rate. Any help is greatly appreciated.

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Replies

  • Pektusin April 24, 2013 at 11:31pm

    Looks like this happens when your PC-side radio doesn't respond. I had exactly same problem with my 3dr radio: it enumerated as a virtual serial port, so the MP could open this port, but I didn't see any activity between FTD chip and the radio module and in the end I got the same messages.

    I noticed a very poor soldering quality of the 3DR board (not the radio module) and manually re-soldered every component including FTD chip. After this 3DR started to work.

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