This is a discussion meant as a meeting place for people trying to get the Qualcomm SnapDragon board working with Ardupilot.

Remember to first checkout the two wiki pages: Overview and How to setup the board and build the code

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I fear for 3DR as they, sadly, seem to be falling behind. Hopefully this is an indication that they will be using the Snapdragon but, whatever the case, it is good to see Arducopter being ported to another platform. I'll be watching closely!

I cannot see too many people putting down $800-900 for a Snapdragon Dev Board, improvising their own PCM input and then compiling their own binaries (not too hard admittedly). It is great to see AC on a Snapdragon board though.

What does it all mean though? Is 3DR going to produce a version that is usable with which you can distribute firmware without breaking Qualcomm's affiliate's licensing terms? Is this where 3DR is planning to go? I assume so or they would not put it in the wiki.

I am definitely a little unsure what way to go beyond my AUAV X2s, which I am happy with right now.

wow, Very nice work. If you where a guessing man... when would you expect 3DR or someone else to come out with a product with this board? I really want to integrate it into a project I am doing.  Thank you again for sharing your work.

Hello Randy. Is it possible to use SnapDragon With Simonk or BHeli ESC Boards? Or does it only need to use the Qualcomm® Electronic Speed Control (ESC) board?

Unfortunately you can't directly connect regular ESCs directly to the flight controller board because it doesn't have pwm output (or input for that matter) so instead you need to attach a board to do the serial -> pwm conversion.  Personally I used a small pixracer with a tiny bit of code Tridge wrote.  If Intrinsyc/Qualcomm is selling an ESC board then I'd recommend using that instead.. although I see it's a whopping $350.  wow.

Thank you for answer. I will try SnapDragon with Intrisync/Qualcom ESC. They are selling it together.

I am building a larger quad with the snapdragon board but need  to connect my own ESC's where do I get the code for the Pixracer that you reference that was done by "Tridge" any other pointer in hooking this up to a larger drone.

Randy said:

Unfortunately you can't directly connect regular ESCs directly to the flight controller board because it doesn't have pwm output (or input for that matter) so instead you need to attach a board to do the serial -> pwm conversion.  Personally I used a small pixracer with a tiny bit of code Tridge wrote.  If Intrinsyc/Qualcomm is selling an ESC board then I'd recommend using that instead.. although I see it's a whopping $350.  wow.

Hi Randy.
how to calibrate the ESC board of the snapdragon? when i try calibrate esc in Qground control i can because the communication is Uart.

Hi guys.  I'm a Developer Advocate for Qualcomm and can help you with any problems you may encounter configuring Snapdragon Flight.    

You can find the ESC Board here: https://shop.intrinsyc.com/collections/dragonboard-accessories/prod... for $144.00.  

If you would like to contact me direct you can reach me at bill.piedra@catchyagency.com

We will also be publishing a new tutorial that will simplify the setup process.  Also you will find some very recent fixes in the Qualcomm Developer Forum here: https://developer.qualcomm.com/forums/hardware/snapdragon-flight

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