Hello Johan, > -----Original Message----- > From: Johan Hedberg [mailto:johan.hedberg@xxxxxxxxx] > Sent: Wednesday, December 12, 2012 5:26 PM > To: Ting Chou > Cc: linux-bluetooth@xxxxxxxxxxxxxxx > Subject: Re: [BLE] org.bluez.Device1.Connect() returns > org.bluez.Error.NotAvailable > > Hi Ting, > > On Wed, Dec 12, 2012, Ting Chou wrote: > > I tried Device.Pair, it does connect to the LE device like the first > > call to Device.Connect, but: > > > > - I can't unpair the device (CancelPairing can't do this). > > There's no "unpair" method. You'd need to call Adapter.RemoveDevice to > do it. > > > - If I Device.Disconnect after Device.Pair, then I can't connect to > the device > > again by either Device.Connect or Device.Pair: > > - Device1.Connect > > Error org.bluez.Error.NotAvailable: Operation currently not > available > > - Device1.Pair > > Error org.bluez.Error.AlreadyExists: Already Exists > > > > I still can't connect to the LE device once I disconnect it. > > That means that the profiles that are supposed to be supported with > this device are not calling either device_set_auto_connect() or > btd_device_add_attio_callback(). Both of those functions should cause > bluetoothd to start doing passive scanning and try to connect to the > device. Btw, which kernel version are you using. IIRC you'll need > something like 3.5 or newer for LE passive scanning to work. > I tried to let btd_device_add_attio_callback() get called by Characterisitc.DiscoverCharacteristics() But still the Device1.Connect() after Device1.Disconnect() does not establish the connection. connect_profiles() returns btd_error_not_available() since !dev->pending: ting@user-OptiPlex-755:~/w/bluez$ sudo dbus-send --system --dest=org.bluez --type=method_call --print-reply /org/bluez/hci0/dev_00_07_80_4C_5F_17 org.bluez.Device1.Connect Error org.bluez.Error.NotAvailable: Operation currently not available ting@user-OptiPlex-755:~/w/bluez$ sudo dbus-send --system --dest=org.bluez --type=method_call --print-reply /org/bluez/hci0/dev_00_07_80_4C_5F_17/service000d org.bluez.Characteristic.DiscoverCharacteristics method return sender=:1.1992 -> dest=:1.1997 reply_serial=2 array [ object path "/org/bluez/hci0/dev_00_07_80_4C_5F_17/service000d/characteristic000f" ] ting@user-OptiPlex-755:~/w/bluez$ sudo dbus-send --system --dest=org.bluez --type=method_call --print-reply /org/bluez/hci0/dev_00_07_80_4C_5F_17 org.bluez.Device1.Disconnect method return sender=:1.1992 -> dest=:1.1998 reply_serial=2 ting@user-OptiPlex-755:~/w/bluez$ sudo dbus-send --system --dest=org.bluez --type=method_call --print-reply /org/bluez/hci0/dev_00_07_80_4C_5F_17 org.bluez.Device1.Connect Error org.bluez.Error.NotAvailable: Operation currently not available The kernel I'm using: ting@user-OptiPlex-755:~/w/bluez$ uname -a Linux user-OptiPlex-755 3.6.6-030606-generic #201211050512 SMP Mon Nov 5 10:20:03 UTC 2012 i686 i686 i686 GNU/Linux Thank you, Ting -- 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
