zephyr

History

Emil Gydesen 08b9ca4356 samples: Bluetooth: central_iso: Remove K_FOREVER for buf alloc Allocating a buffer in the system workqueue thread should never be done wiht a K_FOREVER as that may block the thread forever. Replace the K_FOREVER with a K_NO_WAIT and slightly modified the function to handle this case. Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>		2024-07-06 17:01:34 +02:00
..
src	samples: Bluetooth: central_iso: Remove K_FOREVER for buf alloc	2024-07-06 17:01:34 +02:00
CMakeLists.txt
overlay-bt_ll_sw_split.conf	Bluetooth: Controller: BT_CTLR_ISO_TX_BUFFER_SIZE from BT_ISO_TX_MTU	2024-05-10 15:02:10 +02:00
prj.conf	samples: bluetooth: central_iso: Remove the CONFIG_BT_SMP=y	2024-02-26 14:34:07 +01:00
README.rst	samples: bluetooth: iso: Extend sample documentation	2024-02-26 14:34:07 +01:00
sample.yaml	Bluetooth: Controller: BT_CTLR_ISO_TX_BUFFER_SIZE from BT_ISO_TX_MTU	2024-05-10 15:02:10 +02:00

README.rst

.. _bluetooth_central_iso:

Bluetooth: Central ISO
######################

Overview
********

This sample demonstrates how to use an isochronous channel as a central.
The sample scans for a peripheral, establishes a connection, and sets up a connected isochronous channel to it.
Once the isochronous channel is connected, isochronous data is transferred to the peer device every 10 milliseconds.
It is recommended to run this sample together with the :ref:`Bluetooth: Peripheral ISO <peripheral_iso>` sample.

To run the sample with an encrypted isochronous channel, enable :kconfig:option:`CONFIG_BT_SMP`.

Requirements
************

* BlueZ running on the host, or
* A board with Bluetooth Low Energy 5.2 support
* A Bluetooth Controller and board that supports setting
:kconfig:option:`CONFIG_BT_CTLR_CENTRAL_ISO`.

Building and Running
********************
This sample can be found under :zephyr_file:`samples/bluetooth/central_iso` in
the Zephyr tree.

1. Start the application.
In the terminal window, check that it is scanning for other devices.

Bluetooth initialized
Scanning successfully started
Device found: D3:3A:5D:F5:73:33 (random) (RSSI -78)
Device found: 70:7B:F4:2B:76:AD (random) (RSSI -68)
Device found: 65:CF:20:0D:CB:9D (random) (RSSI -82)

2. Observe that the device connects.

Connected: 65:CF:20:0D:CB:9D (random)

3. Observe that the ISO channel is connected

ISO Channel 0x200048f8 connected

See :ref:`bluetooth samples section <bluetooth-samples>` for more details.