Downloading FTDI dive log using desktop Subsurface on Android

[Anton Lundin]

On 08 February, 2017 - Richard Houser wrote:

> OTG deals primarily with the handset portion, not the devices you plug into it.  So, except for the handset, OTG adapter, and power requirements, devices aren't OTG compatible or not.  OTG adapters actually signal in hardware (via a specific resister value, like cables in USB-C) for the device to flip it's mode from a normal device and instead drive the USB bus.  I actually have two non-compliant devices that can be modded to work: Nexus 4 (incorrectly gives 3.3V instead of 5V) and an HP touchpad (doesn't enter the OTG mode unless it's also receiving power, necessitating an additional Y cable to inject power or an OTG hub I have that backfeeds power).
> 
> I think what you will find is that most of those devices with both USB-A and micro-USB actually are just a normal USB device with an extra micro connector wired as an OTG adapter.  If your device is already supporting OTG with that secondary connector. Your unit should also work on normal hardware like a keyboard via a traditional OTG adapter that looks like this: https://www.amazon.com/Micro-USB-OTG-Adapter-Cable/dp/B00D8YZ2SA.


I used just a such cable to connect my OSTC 2N and OSTC3 to my Nexus 5.

You can use such a cable to connect a USB-mouse to our Android device
to, so you can use and navigate the subsurface desktop UI on the Android
device =)


//Anton


-- 
Anton Lundin	+46702-161604