2016-05-06 11:51:46	r0kk3rz	https://hardware.slashdot.org/story/16/05/06/0025256/finger-tracking-tech-turns-your-arm-into-a-touchpad
2016-05-06 11:58:30	@kido	woh this is really neat
2016-05-06 12:20:38	locusf	urgh dotted lines in android
2016-05-06 12:56:03	@kido	so I have a begining of notification server running with bluez's dbus api for gatt peripheral mode on my g watch. I have a qml client running on my laptop which uses qtconnectivity to retrieve the attributes and it works well. however my android phone is able to connect to the watch but it can't discover the gatt services that are available there
2016-05-06 12:57:02	@kido	I don't know what's wrong
2016-05-06 13:11:14	locusf	do you forward the notification from desktop to watch?
2016-05-06 13:14:28	@kido	not yet
2016-05-06 13:15:25	@kido	I have a begining of protocol spec and this will mainly be a matter of splitting the strings into several attributes (according to the MTU) I checked how apple did that and this should be very similar
2016-05-06 13:16:16	@kido	https://developer.apple.com/library/ios/documentation/CoreBluetooth/Reference/AppleNotificationCenterServiceSpecification/Introduction/Introduction.html#//apple_ref/doc/uid/TP40013460-CH2-SW1 <- actually the best doc I could find on a bt protocol
2016-05-06 13:18:25	locusf	I was thinking about using receive->serialization->compress->send->uncompress->deserialize->post
2016-05-06 13:19:11	@kido	sure
2016-05-06 13:19:28	@kido	I'm not sure if compression would be useful
2016-05-06 13:22:00	locusf	well fits more to the allowed mtu per packet
2016-05-06 13:22:03	locusf	I guess
2016-05-06 13:24:21	@kido	we can try that once we have it working a little bit further
2016-05-06 13:24:35	@kido	for now I'm more worried about android not being able to find services
2016-05-06 13:24:45	@kido	it seems to be a known problem in bluez
2016-05-06 13:25:05	@kido	but apparently it comes from android not respecting the bt specs
2016-05-06 13:31:42	locusf	hehhe
2016-05-06 13:31:46	locusf	not surprised
2016-05-06 13:34:51	@kido	it seems that the problem comes from the bt chip having dualmode (le and br/edr), my laptop's bluez uses le to connect and android uses br/edr by default. disabling br/edr should fix the issue but btmgmt refuses to disable br/edr
2016-05-06 20:53:14	@kido	it seems that backporting the 3.13's bt subsystem to dory's kernel will fix the bredr disabling and then the android connection
2016-05-06 23:38:33	@kido	ls