Tests: Bluetooth: Tester: Add support for PBP testing

Adds support for the existing BTP commands for PBP testing. This should
enable bttester to be used to test this profile with AutoPTS.

Signed-off-by: Frode van der Meeren <[email protected]>

Author: Frodevan

tests/bluetooth/tester/overlay-le-audio.conf

@@ -147,3 +147,6 @@ CONFIG_BT_TBS_SUPPORTED_FEATURES=3
 
 # TMAP
 CONFIG_BT_TMAP=y
+
+# PBP
+CONFIG_BT_PBP=y

tests/bluetooth/tester/src/audio/CMakeLists.txt

@@ -67,3 +67,7 @@ endif()
 if(CONFIG_BT_TMAP)
     target_sources(app PRIVATE btp_tmap.c)
 endif()
+
+if(CONFIG_BT_PBP)
+    target_sources(app PRIVATE btp_pbp.c)
+endif()

tests/bluetooth/tester/src/audio/btp/btp_cap.h

@@ -6,6 +6,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+int cap_extern_ext_ad_setup(bool prohibit);
+
 /* CAP commands */
 #define BTP_CAP_READ_SUPPORTED_COMMANDS		0x01
 struct btp_cap_read_supported_commands_rp {

tests/bluetooth/tester/src/audio/btp/btp_pbp.h

@@ -0,0 +1,46 @@
+/* btp_pbp.c - Bluetooth PBP Tester */
+
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/* This is main.h */
+
+#define BTP_PBP_READ_SUPPORTED_COMMANDS	0x01
+struct btp_pbp_read_supported_commands_rp {
+	uint8_t data[0];
+} __packed;
+
+#define BTP_PBP_SET_PUBLIC_BROADCAST_ANNOUNCEMENT 0x02
+struct btp_pbp_set_public_broadcast_announcement_cmd {
+	uint8_t features;
+	uint8_t metadata_len;
+	uint8_t metadata[];
+} __packed;
+
+#define BTP_PBP_SET_BROADCAST_NAME 0x03
+struct btp_pbp_set_broadcast_name_cmd {
+	uint8_t name_len;
+	uint8_t name[];
+} __packed;
+
+#define BTP_PBP_BROADCAST_SCAN_START 0x04
+struct btp_pbp_broadcast_scan_start_cmd {
+} __packed;
+
+#define BTP_PBP_BROADCAST_SCAN_STOP 0x05
+struct btp_pbp_broadcast_scan_stop_cmd {
+} __packed;
+
+#define BTP_PBP_EV_PUBLIC_BROADCAST_ANOUNCEMENT_FOUND 0x80
+struct btp_pbp_ev_public_broadcast_anouncement_found_rp {
+	bt_addr_le_t address;
+	uint8_t broadcast_id[BT_AUDIO_BROADCAST_ID_SIZE];
+	uint8_t advertiser_sid;
+	uint16_t padv_interval;
+	uint8_t pba_features;
+	uint8_t broadcast_name_len;
+	uint8_t broadcast_name[];
+} __packed;

tests/bluetooth/tester/src/audio/btp_cap.c

@@ -24,6 +24,8 @@ static struct btp_bap_unicast_group *u_group;
 
 extern struct bt_csip_set_coordinator_set_member *btp_csip_set_members[CONFIG_BT_MAX_CONN];
 
+static uint8_t cap_prohibit_setting_up_ext_ad;
+
 static struct bt_bap_stream *stream_unicast_to_bap(struct btp_bap_unicast_stream *stream)
 {
 	return &stream->audio_stream.cap_stream.bap_stream;
@@ -560,12 +562,14 @@ static int cap_broadcast_source_adv_setup(struct btp_bap_broadcast_local_source
 	base_ad[1].type = BT_DATA_NAME_COMPLETE;
 	base_ad[1].data_len = sizeof(CONFIG_BT_DEVICE_NAME) - 1;
 	base_ad[1].data = CONFIG_BT_DEVICE_NAME;
-	err = tester_gap_create_adv_instance(&param, BTP_GAP_ADDR_TYPE_IDENTITY, base_ad, 2, NULL,
-					     0, gap_settings);
-	if (err != 0) {
-		LOG_DBG("Failed to create extended advertising instance: %d", err);
+	if (!cap_prohibit_setting_up_ext_ad) {
+		err = tester_gap_create_adv_instance(&param, BTP_GAP_ADDR_TYPE_IDENTITY, base_ad,
+						     2, NULL, 0, gap_settings);
+		if (err != 0) {
+			LOG_DBG("Failed to create extended advertising instance: %d", err);
 
-		return -EINVAL;
+			return -EINVAL;
+		}
 	}
 
 	err = tester_gap_padv_configure(BT_LE_PER_ADV_PARAM(BT_GAP_PER_ADV_FAST_INT_MIN_2,
@@ -936,3 +940,13 @@ uint8_t tester_unregister_cap(void)
 {
 	return BTP_STATUS_SUCCESS;
 }
+
+/* Inhibit creating a new extended advertisement instance in btp_cap_broadcast_source_setup and
+ * cap_broadcast_source_adv_setup, for profiles such as PBP which sets up its own instance with
+ * more specialized data in advance of calling btp_cap_broadcast_source_setup.
+ */
+int cap_extern_ext_ad_setup(bool prohibit)
+{
+	cap_prohibit_setting_up_ext_ad = prohibit;
+	return 0;
+}