samples: broadcast_config_tool: Add experimental tag

- Add config for broadcast_config_tool with experimental
- OCT-3120

Signed-off-by: Alexander Svensen <[email protected]>

Author: alexsven

applications/nrf5340_audio/src/modules/lc3_file.c

@@ -28,7 +28,7 @@ static void lc3_header_print(struct lc3_file_header *header)
 	LOG_DBG("Num samples: %d", header->signal_len_lsb | (header->signal_len_msb << 16));
 }
 
-int lc3_header_get(struct lc3_file_ctx *file, struct lc3_file_header *header)
+int lc3_header_get(struct lc3_file_ctx const *const file, struct lc3_file_header *header)
 {
 	if ((file == NULL) || (header == NULL)) {
 		LOG_ERR("Nullptr received");

applications/nrf5340_audio/src/modules/lc3_file.h

@@ -40,7 +40,7 @@ struct lc3_file_ctx {
  * @retval -EINVAL	Invalid file context.
  * @retval 0		Success.
  */
-int lc3_header_get(struct lc3_file_ctx *file, struct lc3_file_header *header);
+int lc3_header_get(struct lc3_file_ctx const *const file, struct lc3_file_header *header);
 
 /**
  * @brief Get the next LC3 frame from the file.

applications/nrf5340_audio/src/modules/lc3_streamer.c

@@ -268,8 +268,8 @@ int lc3_streamer_next_frame_get(const uint8_t streamer_idx, const uint8_t **cons
 	return 0;
 }
 
-bool lc3_streamer_file_header_verify(const char *const filename,
-				     const struct lc3_stream_cfg *const cfg)
+bool lc3_streamer_file_compatible_check(const char *const filename,
+					const struct lc3_stream_cfg *const cfg)
 {
 	int ret;
 	bool result = true;

applications/nrf5340_audio/src/modules/lc3_streamer.h

@@ -49,8 +49,8 @@ int lc3_streamer_next_frame_get(const uint8_t streamer_idx, const uint8_t **cons
  * @retval	true	Success.
  * @retval	false	Header is not matching the configuration.
  */
-bool lc3_streamer_file_header_verify(const char *const filename,
-				     const struct lc3_stream_cfg *const cfg);
+bool lc3_streamer_file_compatible_check(const char *const filename,
+					const struct lc3_stream_cfg *const cfg);
 
 /**
  * @brief Register a new stream that will be played by the LC3 streamer.

samples/bluetooth/broadcast_config_tool/Kconfig

@@ -14,6 +14,12 @@ rsource "${ZEPHYR_NRF_MODULE_DIR}/applications/nrf5340_audio/src/utils/Kconfig"
 config TRANSPORT_BIS
 	bool "Use BIS (Broadcast Isochronous Stream)"
 
+config BROADCAST_CONFIG_TOOL
+	bool "Broadcast Configuration Tool"
+	depends on TRANSPORT_BIS
+	select EXPERIMENTAL
+	default y
+
 menu "Logging"
 
 module = MAIN

samples/bluetooth/broadcast_config_tool/src/main.c

@@ -1646,40 +1646,31 @@ static int cmd_file_select(const struct shell *shell, size_t argc, char **argv)
 	struct bt_audio_codec_cfg *codec_cfg =
 		&broadcast_param[big_index].subgroups[sub_index].group_lc3_preset.codec_cfg;
 
-	int freq_hz = 0;
+	struct lc3_stream_cfg cfg;
 
-	ret = le_audio_freq_hz_get(codec_cfg, &freq_hz);
+	ret = le_audio_freq_hz_get(codec_cfg, &cfg.sample_rate_hz);
 	if (ret) {
 		shell_error(shell, "Failed to get frequency: %d", ret);
 		return ret;
 	}
 
-	int frame_duration = 0;
-
-	ret = le_audio_duration_us_get(codec_cfg, &frame_duration);
+	ret = le_audio_duration_us_get(codec_cfg, &cfg.frame_duration_us);
 	if (ret) {
 		shell_error(shell, "Failed to get frame duration: %d", ret);
 	}
 
-	uint32_t bit_rate = 0;
-
-	ret = le_audio_bitrate_get(codec_cfg, &bit_rate);
+	ret = le_audio_bitrate_get(codec_cfg, &cfg.bit_rate_bps);
 	if (ret) {
 		shell_error(shell, "Failed to get bitrate: %d", ret);
 	}
 
-	struct lc3_stream_cfg cfg = {
-		.sample_rate_hz = freq_hz,
-		.bit_rate_bps = bit_rate,
-		.frame_duration_us = frame_duration,
-	};
-
-	/* Verify the file header */
+	/* Verify that the file header matches the stream configurationn */
 	/* NOTE: This will not abort the streamer if the file is not valid, only give a warning */
-	bool result = lc3_streamer_file_header_verify(file_name, &cfg);
+	bool header_valid = lc3_streamer_file_compatible_check(file_name, &cfg);
 
-	if (!result) {
-		shell_warn(shell, "File header verification failed, continue at own risk");
+	if (!header_valid) {
+		shell_warn(shell, "File header verification failed. File may not be compatible "
+				  "with stream config.");
 	}
 
 	ret = lc3_streamer_stream_register(