'Does Android 4.2.2 support usb bluetooth dongle?
I can use blueZ hciconfig to find the usb bluetooth device 'hci0'. But I can't enable the bluetooth on Android 4.2.2. It seems android use a new bluetooth stack since version 4.2 . So it doesn't rely on the BlueZ statck now.
This is my BoardConfig:
BOARD_HAVE_BLUETOOTH := true
BOARD_HAVE_BLUETOOTH_BCM := true
And I enabled the HCI USB drvier in the kernel.
Does any one have the idea about how to support usb bluetooth dongle on Android 4.2.2 ?
The issue stuck me two weeks. And I can't get more information from the internet.
Thanks very much !
Solution 1:[1]
It is my understanding that Android dropped BlueZ and it now relies on bluedroid by broadcom, I don't know how but what I would do is look for the drivers for that bt dongle online and build the system with:
PRODUCT_COPY_FILES += drivers
on your AndroidProducs.mk file
Solution 2:[2]
CyanogenMod and Android-X86 contain patches to support USB HCI like this: http://review.cyanogenmod.org/#/c/45537/
http://review.cyanogenmod.org/#/c/45538/
To enable this support in board look at android-x86 example, for BoardConfig
# Some framework code requires this to enable BT
BOARD_HAVE_BLUETOOTH := true
BLUETOOTH_HCI_USE_USB := true
BOARD_HAVE_BLUETOOTH_BCM := true
BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := device/generic/x86/bluetooth
and for buildcfg
#ifndef _BDROID_BUILDCFG_H
#define _BDROID_BUILDCFG_H
#define BTM_DEF_LOCAL_NAME "Android-x86"
// At present either USB or UART is supported
#define BLUETOOTH_HCI_USE_USB TRUE
// Bluetooth Low Power Mode is supported on BT4.0
#define HCILP_INCLUDED FALSE
#endif
Also your kernel need UHID support.
Sources
This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.
Source: Stack Overflow
| Solution | Source |
|---|---|
| Solution 1 | aehs29 |
| Solution 2 |