bluetooth overview for android QC

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BlueZ Startup Procedure (Host BlueZ (Android Bluetooth host stack) )

Call flow on enabling/disabling Bluetooth in UI settings → Wireless control 

Functions bt_enable, bt_disable in android/system/bluetooth/

bluedroid/bluetooth.c are entry points to enable/disable Bluetooth

■ Related services are declared in android/system/core/rootdir/

   etc/init.qcom.rc

■ Modify arguments for hci_qcomm_init in android/system/core/rootdir/

   etc/init.qcom.bt.sh for your platform dependency

■ Bttest test tool enables/disables Bluetooth device

bttest enable and bttest disable commands in ADB shell

Reference source code – android/system/bluetooth/bluedroid/bttest.c

Startup scripts

/etc/init.qcom.rc and /etc/init.qcom.bt.sh are scripts for Android Bluetooth startup procedure

Bluetooth SoC Initialization – hci_qcomm_init (cont.)

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