I am looking to present the device (HTC Desire) to a PC as a Human
Interface Device (HID).
The idea is to use "socket = btserver.accept()" to open up a pipe to
the PC, and then I implement the HID protocol across the pipe.
I have changed the UUID to reflect its a HID
("00001124-0000-1000-8000-00805F9B34FB") and the PC is recognising it
as a HID. Good start.
Using a breakpoint I have confirmed the "socket = btserver.accept()"
is being reached.
However when I click on "Next" on the PC (to start "Registering a HID
device ot this system. Please Wait.") the PC reports "Registration
Failed".
Breakpoints after the "socket = btserver.accept()" show that the
accept does not complete and instead timesout after the 120 seconds.
Is this a valid approach, or does the HID need implemented in the
Android / Linux operating system? If I am flogging a dead horse, what
is the alternative approach? Does it invlove writing some drivers on a
PC and opening up some sort of generic pipe between the PC and
handset?
Here's the relevant logcat trace:-
05-26 22:47:46.000: WARN/ActivityManager(75): Launch timeout has
expired, giving up wake lock!
05-26 22:47:46.029: WARN/ActivityManager(75): Activity idle timeout
for HistoryRecord{46525e78
com.paad.bluetoothtexting/.BluetoothTexting}
05-26 22:47:49.110: INFO//system/bin/btld(11841): ##### USerial_Ioctl:
BT_Wake, 0x8003 ####
05-26 22:47:49.160: WARN/BTLD(11842): info:x0
05-26 22:47:49.160: INFO/BTL-IFS(11842): send_ctrl_msg: [BTL_IFS CTRL]
send BTLIF_DTUN_SIGNAL_EVT (CTRL) 10 pbytes (hdl 14)
05-26 22:47:49.160: DEBUG/DTUN_HCID_BZ4(11855): dtun_dm_sig_link_up()
05-26 22:47:49.160: INFO/DTUN_HCID_BZ4(11855): dtun_dm_sig_link_up:
dummy_handle = 272
05-26 22:47:49.160: DEBUG/ADAPTER(11855):
adapter_get_device(00:1B:FB:CE:61:EF)
05-26 22:47:49.160: ERROR/BluetoothEventLoop.cpp(75): pollData[0] is
revented, check next one
05-26 22:47:49.160: ERROR/BluetoothEventLoop.cpp(75): event_filter:
Received signal org.bluez.Device:PropertyChanged from /org/bluez/11855/
hci0/dev_00_1B_FB_CE_61_EF
05-26 22:47:49.210: WARN/BTLD(11842): ccb timer ticks: 2147483648
05-26 22:47:50.640: INFO/BTL-IFS(11842): send_ctrl_msg: [BTL_IFS CTRL]
send BTLIF_DTUN_SIGNAL_EVT (CTRL) 11 pbytes (hdl 14)
05-26 22:47:50.640: DEBUG/DTUN_HCID_BZ4(11855):
dtun_dm_sig_link_down()
05-26 22:47:50.640: INFO/DTUN_HCID_BZ4(11855): dtun_dm_sig_link_down
device = 0xfbb0 handle = 272 reason = 19
05-26 22:47:50.640: ERROR/BluetoothEventLoop.cpp(75): pollData[0] is
revented, check next one
05-26 22:47:50.640: ERROR/BluetoothEventLoop.cpp(75): event_filter:
Received signal org.bluez.Device:PropertyChanged from /org/bluez/11855/
hci0/dev_00_1B_FB_CE_61_EF
05-26 22:47:50.660: DEBUG/BluetoothA2dpService(75): Received intent
Intent { act=android.bluetooth.device.action.ACL_DISCONNECT ED (has
extras) }
05-26 22:47:51.217: INFO//system/bin/btld(11841): ##### USerial_Ioctl:
BT_Sleep, 0x8004 ####
Thanks in advance,
Rab
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