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This is somewhat hacky, but it allows at least the Shearwater
libdivecomputer backend to continue to treat even the BLE GATT model as
just a serial protocol.
What it does is create a special "emulate serial behavior over the
packetized BLE protocol" helper layer, that qtserialbluetooth falls back
on when rfcomm is not available.
NOTE! This still requires some BLE packet code changes to work with the
odd way that Shearwater sets up their BLE GATT communication. So note
that no further patches are necessary to *libdivecomputer*, but some
updates are needed for the subsurface qt-ble.cpp code.
I have those updates in my tree, and this code is all tested on my
Perdix AI, but those patches are currently too ugly to commit as-is.
I've cleaned up this "fake serial" code sufficiently, that cleanup comes
next.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is some very early and hacky code to be able to access BLE-enabled
dive computers that use the GATT protocol to send packets back and forth
(which seems to be pretty much all of them: a vendor-specific GATT
service with a write characteristic and a notification characteristic
for reading).
For testing only. But it does successfully let me download dives from
my EON Steel and my Scubapro G2.
NOTE! There are several very hacky pieces in here, including just
"knowing" that the write characteristic is the first one, and the
notification characteristic is second. The code should actually check
the properties rather than have those kinds of hardcoded assumptions.
It also checks "vendor specific" by looking at the UUID string
representation, and knowing that the standard ones start with zero.
Crazily, there doesn't seem to be any normal way to test for this,
although I guess that maybe the uuid.minimumSize() function could be
used.
There are other nasty corners. Don't complain, send me patches.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Instead of being "custom serial", it's a IO model that allows serial or
packet modes, independently of each other (ie you can have a bluetooth
device that does serial over BT rfcomm and packet-based communication
over BLE GATT with the same serial operations that describe both cases).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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While it seemed logical to use the advertized service UUID that doesn't
appear to be working - instead using this hard coded UUID seems to do
the trick. I now did a successful download from my Shearwater Petrel.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We remember the offered service uuids as we detect the device and then
try the first one - likely this needs to be fixed / tuned to pick the
right one if multiple uuids are offered.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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By copying a line from the Linux bluetooth code I can download
from OSTC dive computers on Mac. Don't ask me why this works.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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The function is unused, to silence the warning add the "unused"
GCC attribute to the function declaration.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We need to return a DC_STATUS here.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This rewrites the custom serial code to use the new api which I
implemented in the Subsurface-branch of libdivecomputer.
This is a bit to big patch but I haven't had the time to break it down
into more sensible patches.
This rewrite enables us to support more ftdi based divecomputer
communication and is tested with both a OSTC3, OSTC2N and a Suunto
Vyper, all over the libftdi driver.
The bluetooth code paths are tested to, and should work as before.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Having subsurface-core as a directory name really messes with
autocomplete and is obviously redundant. Simmilarly, qt-mobile caused an
autocomplete conflict and also was inconsistent with the desktop-widget
name for the directory containing the "other" UI.
And while cleaning up the resulting change in the path name for include
files, I decided to clean up those even more to make them consistent
overall.
This could have been handled in more commits, but since this requires a
make clean before the build, it seemed more sensible to do it all in one.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Linus Torvalds
Dirk Hohndel
Robert C. Helling
Lubomir I. Ivanov
Anton Lundin