help needed: Android devices and FTDI dive computers

[Dirk Hohndel]

On Thu, Aug 09, 2018 at 05:41:58AM -0700, Dirk Hohndel wrote:
> > ---------- subsurface.log ----------
> > "19.780: DCDownloadThread started for Aqualung i750TC on FTDI"
> > Starting download from  ftdi
> > Finishing download thread: "Unable to open ftdi Aqualung (i750TC)"
> > "19.795: Unsupported operation"
> > no new dives downloaded
> > "19.821: DCDownloadThread finished"
> > 
> > ---------- libdivecomputer.log ----------
> > Subsurface: v4.8.1-156-g23b7970459b6, built with libdivecomputer
> > v0.7.0-devel-Subsurface-NG (bb985eedbb3e686e5a71bf2aa234fb49f8cab653)
> > INFO: Open: name=ftdi
> > ERROR: No such file or directory (2) [in
> > /data/android/subsurface/libdivecomputer/src/serial_posix.c:295
> > (dc_serial_open)]
> > ---------- finish ----------
> 
> This might be a sign that your phone doesn't allow access to '/sys' as a
> "security precaution" and that currently breaks our ability to download
> via FTDI.

Actually, since you are able to do Cobalt downloads on that phone... I'm
not sure this is true. That should run into the same libusb problems, I
think...

/D