APM MavLink to FrSky X8R S.Port converter

Hi all,

I just bought an FrSky Taranis for my quad copter and needed to get the Mavlink data up on the Taranis LCD telemetry display. So here is my solution using a Teensy3.1 as a converter between MavLink and the S.Port on FrSky X8R.

See attached file below...

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Permalink Reply by Artem on January 24, 2014 at 11:12am

could you post which pins did you use on your teensy?  and corresponding pins on apm and smart port? 

also is the mavlink being converted into the frsky telemetry format, or is it just plain mavlink received by taranis? 

Permalink Reply by Rolf Blomgren on January 24, 2014 at 11:43am

Pins description is in the file... but here is a layout Picture.

 

Permalink Reply by Artem on January 24, 2014 at 12:26pm

Thx, I downloaded the zip, but still can't find the pinout there. Thank you very much for the picture! 

Permalink Reply by Rolf Blomgren on January 24, 2014 at 1:03pm

It's in the MavLink_FrSkySPort.ino

Permalink Reply by Francis Marasigan on January 24, 2014 at 3:15pm

Wow!!  This is what I'm looking for my first quadcopter build. My goal is reduce the weight by removing unecessary redundant sensory. I just ordered the teensy but unfortunately I don't have much experience in micro-controller development. 

Any resources you can point me where to start how to compile the code you shared. Or this is already compiled? I just did a quick reading on the teeny site and it is looking for .hex binaries for the program. 

Thanks again for sharing this.

Permalink Reply by Rolf Blomgren on January 24, 2014 at 3:25pm

This is for to start with the Arduino version of Teensy:  http://www.pjrc.com/teensy/td_download.html

Just follow the installation steps and then compile the code found in the .zip file and download it to the Teensy

/Rolf

Permalink Reply by Francis Marasigan on January 24, 2014 at 7:54pm

Thanks! This is great. 

Permalink Reply by Rana on January 25, 2014 at 1:52am

Awesome work ! Can you shoot a small video clip of your Transis screen and post, will be 2 much good !

Permalink Reply by Tracy DeWitt on January 30, 2014 at 2:16pm

Rolf, 

I am going to order a teensy 3.1.  I have a taranis transmitter that I would like to get data from my apm.  To be clear,  you did get this up and working.  What are you showing on your taranis screen?  I am mostly interested in altitude and battery voltage.

Thanks

Permalink Reply by Rolf Blomgren on January 31, 2014 at 4:24pm

Tracy,

This is the data that will bee shown on your Taranis:

 

Throttle as %  (Rpm)

LiPo Battery Current (Curr)

LiPo Battery Voltage (Cels) and (Cell)

Power (Pwr)

Total mAH used (Cnsp)

Barometric Altitude (Alt)

Compass Heading (Hdg)

AccX, AccY, AccZ

Climb Rate (VSpd)

Auto Pilot Mode (Armed , Not Armed) (T2)

Analog Voltage A2 (if connected to A0 on Teensy, max 3,3V)

 

With GPS connected you also get:

GPS Status (Number of Satelites received, Lock Mode) (T1)

GPS Altitude  (GAlt)

Groundspeed  (Spd)

Latitude

Logitude

Dist from home position (Dist)

Permalink Reply by Rolf Blomgren on January 31, 2014 at 4:58pm

Here is some pictures from the Taranis screen showing the data received from APM:

Permalink Reply by Artem on January 31, 2014 at 5:24pm

Hey there, is it posible to see a fligh tmode ie: stab, alt hold, loiter, etc... ? 

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