SubSurface Mobile and OTG

Miika Turkia miika.turkia at
Tue May 22 22:29:13 PDT 2018

This does work for some divecomputers, depending on the ftdi chip that is
used on the cable. We also have some trouble with Android OS as some newer
Android versions prevent us from accessing the USB devices. What versions
of DC, cable (the serial chip), phone and Android you are using? (I have
used OTG on Nexus 7 tablet and Suunto Vyper Air DC successfully, don't
remember the Android version on the tablet.)

On Wed, May 23, 2018 at 8:15 AM, Thomas Fänge <thomas.fange at>

> Hi!
> First, thanks all for you effort and the great and useful application!
> I'm connecting my dive computer to my Linux laptop, and that works perfect.
> But, wouldn't it be possible to do that on the SubSurface Mobile (Android)
> app too?
> I have a "watertight" Sony phone, and I use a USB On-The-Go (OTG) cable to
> use e.g. a mouse or external keyboard, so should it not then be possible to
> use USB-communication from the SubSurface app too, instead of only a
> Bluetooth connection? This would enable me to only bring the phone while
> travelling, even on the boat or shore and download my dives, getting the
> current position etc. without worrying if the phone gets wet or not.
> Today, when I connect the dive computer to the phone with the OTG cable, I
> can see on the leds on the interface cable that the connection is made to
> the phone, but that interface (USB) never turns up as an option in the
> SubSurface dive computer menu - only Bluetooth is available there.
> Best regards,
> Thomas
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> subsurface at
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