annaresources.blogg.se - Running bluetooth on anydroid

Running bluetooth on anydroid driver#
Running bluetooth on anydroid android#
Running bluetooth on anydroid software#
Running bluetooth on anydroid code#

AVDTP 1.2 in Acceptor and Initiator roles.

Stereo Bluetooth (A2DP 1.2) in Source role.

Extensive bug fixes and compatibility improvements.

Headset Profile 1.1 in Audio Gateway role.

Support for auto-pairing with '0000' devices.

Based on Bluez 3.36 with Linux Kernel 2.6.27.

Running bluetooth on anydroid android#

No Bluetooth changes since 1.0 Android 1.5 release (cupcake) Platform features

QDID B014624: EPL for HTC Dream (HSP, HFP).

QDID B014524: Host stack (SDP, L2CAP, GAP, RFCOMM, SPP).

Running bluetooth on anydroid software#

Each company reusing this software version has to re-qualify with Bluetooth SIG

Handsfree Profile 1.5 in Audio Gateway role.

Headset Profile 1.0 in Audio Gateway role.

Based on Bluez 3.36 and Linux Kernel 2.6.25.

This section provides a change history of Bluetooth features added in each Android release and provides some rough guidance as to future features. This firmware isn't yet available in the open source codebase, but you can adb pull and then adb pushit from a stock T-Mobile G1 (located in /etc/firmware/brf6300.bin).īlueZ provides a rich set of command line tools for debugging and interacting with the Bluetooth sub-system, including: If you compile your own system.img for Android, and hciconfig -a works but hcitool scan doesn't, try installing the firmware for the Bluetooth chipset. Edit init.rc and to run these daemons under logwrapper, which redirects output to logcat.

Sdptool records ADDRESS # request the SDP records of another BT device.ĭeamon logs for bluetoothd ( STDOUT) and hciattach ( STDERR) are sent to /dev/null by default. Hcidump -XVt # print live HCI UART traffic. Useful to check if you can communicate with your BT chipset. Hciconfig -a # print BT chipset address and features. The snippet below provides examples in a suggested order: To debug your bluetooth implementation, start by reading the logs ( adb logcat) and look for ERRROR and WARNING messages regarding Bluetooth.Īndoird uses Bluez, which comes with some useful debugging tools. To compile Android with Bluetooth support enabled, add the following line to BoardConfig.mk. See arch/arm/mach-msm/board-trout-rfkill.c for an example. Post 1.0: Android framework uses the linux rfkill API.1.0: Android framework writes a 0 or 1 to /sys/modules/board_/parameters/bluetooth_power_on.The method for powering on and off your bluetooth chip varies from Android V 1.0 to post 1.0. You may also need to edit command line options to hciattach via init.rc.

Running bluetooth on anydroid driver#

The BlueZ kernel sub-system attaches to your hardware-specific UART driver using the hciattach daemon.įor example, for MSM7201A, this is drivers/serial/msm_serial.c. Solid elements represent Android blocks and dashed elements represent partner-specific blocks.īlueZ is Bluetooth 2.1 compatible and should work with any 2.1 chipset and is backward compatibile with older Bluetooth versions. Click Bluetooth Process Diagram for a process-oriented view. The diagram below offers a library-oriented view of the Bluetooth stack. Profiles like A2DP, AVRCP, HID, PAN and other bluetooth functionality like pairing and scanning use the Bluez userspace stack. These profiles open a rfcomm socket connection into Bluez kernel bypassing the Bluez userspace stack. Profiles like OPP and PBAP are based on java obex. Headset and Handsfree (v1.5) profiles are implemented in the Android framework and are both tightly coupled with the Phone App. Each company has to re-qualify their product with Bluetooth SIG even if no changes are made to the Bluetooth stack.

The qualification notes mentioned below are example qualifications of the particular device in question.

Running bluetooth on anydroid code#

Android's Bluetooth stack uses BlueZ as the host stack.īluez is GPL licensed, so the Android framework interacts with userspace bluez code through D-BUS IPC to avoid proprietary code.