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_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

@@ -542,30 +542,33 @@ static int cap_broadcast_source_adv_setup(struct btp_bap_broadcast_local_source
 	struct bt_data base_ad[2];
 	struct bt_data per_ad;
 
-	err = bt_cap_initiator_broadcast_get_id(source->cap_broadcast, &source->broadcast_id);
-	if (err != 0) {
-		LOG_DBG("Unable to get broadcast ID: %d", err);
-
-		return -EINVAL;
-	}
+	if (tester_gap_ext_adv_get() == NULL) {
+		err = bt_cap_initiator_broadcast_get_id(source->cap_broadcast, &source->broadcast_id);
+		if (err != 0) {
+			LOG_DBG("Unable to get broadcast ID: %d", err);
 
-	*gap_settings = BIT(BTP_GAP_SETTINGS_DISCOVERABLE) |
-			BIT(BTP_GAP_SETTINGS_EXTENDED_ADVERTISING);
-	/* Setup extended advertising data */
-	net_buf_simple_add_le16(&ad_buf, BT_UUID_BROADCAST_AUDIO_VAL);
-	net_buf_simple_add_le24(&ad_buf, source->broadcast_id);
-	base_ad[0].type = BT_DATA_SVC_DATA16;
-	base_ad[0].data_len = ad_buf.len;
-	base_ad[0].data = ad_buf.data;
-	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);
+			return -EINVAL;
+		}
 
-		return -EINVAL;
+		*gap_settings = BIT(BTP_GAP_SETTINGS_DISCOVERABLE) |
+				BIT(BTP_GAP_SETTINGS_EXTENDED_ADVERTISING);
+		/* Setup extended advertising data */
+		net_buf_simple_add_le16(&ad_buf, BT_UUID_BROADCAST_AUDIO_VAL);
+		net_buf_simple_add_le24(&ad_buf, source->broadcast_id);
+		base_ad[0].type = BT_DATA_SVC_DATA16;
+		base_ad[0].data_len = ad_buf.len;
+		base_ad[0].data = ad_buf.data;
+		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);
+
+			return -EINVAL;
+		}
 	}
 
 	err = tester_gap_padv_configure(BT_LE_PER_ADV_PARAM(BT_GAP_PER_ADV_FAST_INT_MIN_2,