hap_ha: initial broadcast_sink

This PR adds the initial base functionality of the broadcast sink.
The functionality is test on a NRF5340 audio.

Signed-off-by: Rasmus Moeller <[email protected]>

Author: rasmushoeg

samples/bluetooth/hap_ha/CMakeLists.txt

@@ -9,6 +9,7 @@ target_sources(app PRIVATE
   src/has_server.c
   src/main.c
   src/vcp_vol_renderer.c
+  src/bap_broadcast_snk.c
 )
 
 target_sources_ifdef(CONFIG_HAP_HA_HEARING_AID_BINAURAL app PRIVATE

samples/bluetooth/hap_ha/Kconfig

@@ -1,5 +1,6 @@
 #
 # Copyright (c) 2022 Codecoup
+# Copyright (c) 2025 Demant A/S
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -48,5 +49,4 @@ config HAP_HA_HEARING_AID_RIGHT
 	bool "Right Ear"
 
 endchoice # HAP_HA_HEARING_AID_LOCATION
-
-endmenu
+endmenu

samples/bluetooth/hap_ha/prj.conf

@@ -73,4 +73,18 @@ CONFIG_BT_BAS_BLS_IDENTIFIER_PRESENT=y
 CONFIG_BT_BAS_BLS_BATTERY_LEVEL_PRESENT=y
 CONFIG_BT_BAS_BLS_ADDITIONAL_STATUS_PRESENT=y
 
+
+# Broadcast Sink
+CONFIG_BT_OBSERVER=y
+CONFIG_BT_PER_ADV_SYNC=y
+CONFIG_BT_BAP_BROADCAST_SINK=y
+CONFIG_BT_BAP_SCAN_DELEGATOR=y
+CONFIG_BT_BAP_BROADCAST_SNK_SUBGROUP_COUNT=2
+CONFIG_BT_BAP_BROADCAST_SNK_STREAM_COUNT=2
+CONFIG_BT_BAP_BASS_MAX_SUBGROUPS=4
+CONFIG_BT_ISO_RX_BUF_COUNT=4
+CONFIG_BT_ISO_SYNC_RECEIVER=y
+
 CONFIG_LOG=y
+CONFIG_BT_BUF_ACL_RX_SIZE=255
+CONFIG_BT_BUF_ACL_TX_SIZE=251