zephyr/samples/bluetooth/broadcaster_multiple
Keith Packard 0b90fd5adf samples, tests, boards: Switch main return type from void to int
As both C and C++ standards require applications running under an OS to
return 'int', adapt that for Zephyr to align with those standard. This also
eliminates errors when building with clang when not using -ffreestanding,
and reduces the need for compiler flags to silence warnings for both clang
and gcc.

Most of these changes were automated using coccinelle with the following
script:

@@
@@
- void
+ int
main(...) {
	...
-	return;
+	return 0;
	...
}

Approximately 40 files had to be edited by hand as coccinelle was unable to
fix them.

Signed-off-by: Keith Packard <keithp@keithp.com>
2023-04-14 07:49:41 +09:00
..
src samples, tests, boards: Switch main return type from void to int 2023-04-14 07:49:41 +09:00
CMakeLists.txt
prj.conf
README.rst
sample.yaml

.. _bluetooth-broadcaster-multiple-sample:

Bluetooth: Multiple Broadcaster
###############################

Overview
********

A simple application demonstrating the Bluetooth Low Energy Broadcaster that
uses multiple advertising sets functionality.

This sample advertises two non-connectable non-scannable advertising sets with
two different SID. Number of advertising sets can be increased by updating the
`CONFIG_BT_EXT_ADV_MAX_ADV_SET` value in the project configuration file.

When building this sample combined with a Bluetooth LE Controller, the
advertising data length can be increased from the default 31 bytes by updating
the Controller's `CONFIG_BT_CTLR_ADV_DATA_LEN_MAX` value. The size of the
manufacturer data is calculated to maximize the use of supported AD data length.

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

* A board with Bluetooth Low Energy with Extended Advertising support.

Building and Running
********************

This sample can be found under
:zephyr_file:`samples/bluetooth/broadcaster_multiple` in the Zephyr tree.

To test this sample use the Observer sample with Extended Scanning enabled,
found under
:zephyr_file:`samples/bluetooth/observer` in the Zephyr tree.

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