Hi Szymon, >> I'm back looking into Bluetooth LE battery reporting, and I'm a bit >> stumped as to what would need to be done to add support for it. >> >> First, I've already found a few old implementations: >> >> - I cleaned this up a couple of years ago, to try it out, and it spit >> debug information as expected. Doesn't compile anymore: >> https://gfiber.googlesource.com/vendor/opensource/bluez/+/42bc327d464b1f7c2c73b3fecb2e9a8d3dc01035/profiles/battery/battery.c >> >> - chen.ganir@xxxxxx 's "Add Battery Service GATT Client" patchset that >> was posted to the list in 2012 (!) >> >> - and finally, there's bluez' very own "bas", the last commit touching it says: >> commit b6cb2d3ec320bdfdf1cdcdf750e767d214170efd >> Author: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> >> Date: Wed Nov 11 13:08:52 2015 +0200 >> >> bas: Move code from android to profiles >> >> This is a place holder until the code is ported to use shared API so it >> can be shared by android and D-Bus daemon. >> >> That last one is compiled, but doesn't seem to be hooked up (?). I >> tested this with a Microsoft Arc Touch Mouse SE (the same mouse I >> tested that first patch with). >> >> Is this all hooked up and I'd just need to export the battery >> information through D-Bus? >> >> Or does it need fixing, in which case, which plugin could I use as an >> example of what porting to that elusive "shared API" should look like? >> >> Cheers >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > I think this should be done as "virtual" battery and reported to > system via standard means (upower?). > > I was wondering it would be done in similar way uhid is designed (other option > would be bluez registering battery via D-Bus API in upower if such API > exists...) for LE HID devices we could just convert their battery service into HID battery events. For non-HID devices, we could create a HID device via uhid anyway and just expose only battery information. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
