Discussions

Mission Planner access denied on com port?

Posted by Robert Hoermann on April 27, 2015 at 10:04am

Hello Folks,

since the last update from Mission Planner to 1.3.25 I am receiving a strange feedback when trying to connect to the helicopter via Mav-Link (based on xbee 2,4 GHz).

First it is connecting like normal and most of the time after one minute it disconnects and I have to do a restart of the mission planner.

The 1.3.24 version before worked perfect.

This is the the message I get.

I am not sure if this is a MP problem or a problem of my pc.

Can anybody help me?

Thank you for your feedbacks.

Robert

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Replies

Nithat Namfa February 8, 2017 at 4:16am

Hi All,

I had a this problem and then I follow information by Tom for install a new driver it's' working now.

Thank you so much, Robert and Tom,

Regards,

Kai
Tom Gear March 2, 2016 at 1:08pm

Hi Robert,

I had the same problem.

I think you use the wrong driver.

Use this one: CP210x USB to UART Bridge VCP Drivers

*driect download link*

Tom