Add todos

.gitignore

@@ -1,3 +1,5 @@
+*.pyc
+
 # editors
 *.swp
 *~

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "files.associations": {
+        "broadcast_source.h": "c",
+        "bit": "c"
+    }
+}

CMakeLists.txt

@@ -16,6 +16,8 @@ zephyr_library_include_directories(app PRIVATE
     ${ZEPHYR_NRF_MODULE_DIR}/applications/nrf5340_audio/src/modules
     ${ZEPHYR_NRF_MODULE_DIR}/applications/nrf5340_audio/src/utils/macros
 )
+include(${ZEPHYR_BASE}/samples/subsys/usb/common/common.cmake)
+
 
 add_subdirectory(${ZEPHYR_NRF_MODULE_DIR}/applications/nrf5340_audio/src/bluetooth bluetooth_build)
 

Kconfig

@@ -11,6 +11,81 @@ rsource "${ZEPHYR_NRF_MODULE_DIR}/applications/nrf5340_audio/src/utils/Kconfig"
 
 #----------------------------------------------------------------------------#
 
+# USB mass storage device
+menu "MSC sample options"
+
+config APP_WIPE_STORAGE
+	bool "Option to clear the flash area before mounting"
+	help
+	  Use this to force an existing file system to be created.
+
+choice
+	prompt "Storage and file system type used by the application"
+	default APP_MSC_STORAGE_NONE
+	help
+	  Specify the type of storage and file system.
+
+config APP_MSC_STORAGE_NONE
+	bool "Use RAM disk as block device"
+
+config APP_MSC_STORAGE_RAM
+	bool "Use RAM disk and FAT file system"
+	imply FILE_SYSTEM
+	imply FAT_FILESYSTEM_ELM
+
+config APP_MSC_STORAGE_FLASH_FATFS
+	bool "Use FLASH disk and FAT file system"
+	imply DISK_DRIVER_FLASH
+	imply FILE_SYSTEM
+	imply FAT_FILESYSTEM_ELM
+
+config APP_MSC_STORAGE_FLASH_LITTLEFS
+	bool "Use FLASH disk and LittleFS"
+	imply DISK_DRIVER_FLASH
+	imply FILE_SYSTEM
+	imply FILE_SYSTEM_LITTLEFS
+
+config APP_MSC_STORAGE_SDCARD
+	bool "Use SDHC and FAT file system"
+	imply DISK_DRIVER_SDMMC
+	imply FILE_SYSTEM
+	imply FAT_FILESYSTEM_ELM
+
+endchoice
+
+config MASS_STORAGE_DISK_NAME
+	default "NAND" if DISK_DRIVER_FLASH
+	default "RAM" if DISK_DRIVER_RAM
+	default "SD" if DISK_DRIVER_SDMMC
+
+if DISK_DRIVER_FLASH
+
+config FLASH_MAP
+	default y
+
+config FLASH_PAGE_LAYOUT
+	default y
+
+config FLASH_LOG_LEVEL
+	default 3
+
+if NORDIC_QSPI_NOR
+
+config NORDIC_QSPI_NOR_FLASH_LAYOUT_PAGE_SIZE
+	default 4096
+
+endif # NORDIC_QSPI_NOR
+
+endif # DISK_DRIVER_FLASH
+
+endmenu
+
+# Source common USB sample options used to initialize new experimental USB
+# device stack. The scope of these options is limited to USB samples in project
+# tree, you cannot use them in your own application.
+source "samples/subsys/usb/common/Kconfig.sample_usbd"
+
+# Auraconfig
 config TRANSPORT_BIS
 	bool "Use BIS (Broadcast Isochronous Stream)"
 

broadcaster_config.txt

@@ -0,0 +1,11 @@
+nac preset 24_2_1 0
+nac file select left-channel_24kHz_left_48kbps_10ms.lc3 0 0 0
+nac file select left-channel_24kHz_left_48kbps_10ms.lc3 0 0 1
+nac broadcast_name broadcast1 0
+
+nac preset 24_2_1 1
+nac file select right-channel_24kHz_left_48kbps_10ms.lc3 1 0 0
+nac file select right-channel_24kHz_left_48kbps_10ms.lc3 1 0 1
+nac broadcast_name broadcast2 1
+
+nac start 

broadcaster_play_once.py

@@ -0,0 +1,29 @@
+from config_broadcaster import write_to_serial_read_respone
+import time
+
+
+if __name__ == "__main__":
+    serial_port = "/dev/ttyACM0"
+    broadcast_config = {
+        "broadcast1": "left24kHz_48kbps.lc3",
+        "broadcast2": "right-channel_24kHz_left_48kbps_10ms.lc3"
+    }
+    broadcast_ch = 0
+    file = "announcement_de.lc3"
+
+    ret = write_to_serial_read_respone(serial_port, f"nac file stream_close {broadcast_ch} 0 0", timeout=0.1)
+    print("\n".join(ret)) 
+
+    ret = write_to_serial_read_respone(serial_port, f"nac file select_play_once {file} {broadcast_ch} 0 0", timeout=0.1)
+    print("\n".join(ret))
+
+    time.sleep(1)
+    broadcast_ch = 1
+    file = "announcement_en.lc3"
+
+    ret = write_to_serial_read_respone(serial_port, f"nac stream_close {broadcast_ch} 0 0", timeout=0.1)
+    print("\n".join(ret))
+
+    ret = write_to_serial_read_respone(serial_port, f"nac file select_play_once {file} {broadcast_ch} 0 0", timeout=0.1)
+    print("\n".join(ret))
+

config_broadcaster.py

@@ -0,0 +1,105 @@
+import serial
+import time
+
+
+def write_to_serial_read_respone(port, cmd, timeout = 2):
+    # Initialize serial connection
+    ser = serial.Serial(timeout = timeout)
+    ser.port = port
+    ser.baudrate = 115200
+    ser.bytesize = serial.EIGHTBITS
+    ser.parity = serial.PARITY_NONE
+    ser.stopbits = serial.STOPBITS_ONE
+
+    try:
+        # Try to open the serial connection
+        #if not ser.is_open:
+        ser.open()
+
+        # Send string to serial port and get response
+        command = f"{cmd.strip()}\r\n"
+        ser.write(command.encode())
+        time.sleep(1)  # wait a bit for response
+
+        readlines = []
+        for _ in range(20):
+            line = ser.readline().decode('utf-8').strip()
+            if not line:
+                ser.close()
+                break
+            else:
+               readlines.append(line)
+
+    except serial.SerialException as e:
+        print(f"Error communicating with serial port: {e}")
+    finally:
+        # Close serial connection before returning
+        if ser.is_open:
+            ser.close()
+        return readlines
+
+
+
+def gen_broadcast_config_cmd(preset, broadcast_config: dict):
+    """
+    Writes broadcaster configuration to the given serial port.
+
+    Args:
+        serial_port (str): Device path of the serial port (e.g., '/dev/ttyACM0')
+        preset (str): Preset string used in nac preset line
+        broadcast_names (list): List of names for each broadcast group
+    """
+    cmds = []
+    for ch, file_name in broadcast_config.items():
+        
+        cmds.append(f"nac preset {preset} {ch}") 
+        cmds.append(f"nac broadcast_name broadcast{ch} {ch}")
+        cmds.append(f"nac file select {file_name} {ch} 0 0")
+        cmds.append(f"nac num_bises 1 {ch} 0")
+    
+    return cmds
+
+if __name__ == "__main__":
+    import subprocess
+
+    PORT = "/dev/ttyACM0"
+
+    SAMPLING_RATE_KHZ = 16
+    FRAME_DUR_MS = 10
+    PRESET = f'{SAMPLING_RATE_KHZ}_2_1'
+
+    if SAMPLING_RATE_KHZ == 8:
+        BITRATE_KBPS = 16    
+    elif SAMPLING_RATE_KHZ == 16:
+        BITRATE_KBPS = 32    
+    elif SAMPLING_RATE_KHZ == 24:
+        BITRATE_KBPS = 48
+    else:
+        raise NotImplemented()
+    
+    # TODO: Advertising interval wird ungelmäßig bei mehr als 3 broadcasts 10ms -> 1s< bei 24kHz sampling rat. Wie ist die load ?
+    # TODO: stop the lc3 streamer, setup all files and then start the streamer, should work for up to 4 streams
+    broadcast_config = {
+        0: f"announcement_{SAMPLING_RATE_KHZ}_{FRAME_DUR_MS}_{BITRATE_KBPS}_de.lc3",
+        1: f"announcement_{SAMPLING_RATE_KHZ}_{FRAME_DUR_MS}_{BITRATE_KBPS}_en.lc3",
+        2: f"announcement_{SAMPLING_RATE_KHZ}_{FRAME_DUR_MS}_{BITRATE_KBPS}_fr.lc3",
+        3: f"announcement_{SAMPLING_RATE_KHZ}_{FRAME_DUR_MS}_{BITRATE_KBPS}_es.lc3",
+        #4: f"announcement_{SAMPLING_RATE_KHZ}_{FRAME_DUR_MS}_{BITRATE_KBPS}_it.lc3"
+    }
+
+    cmds = gen_broadcast_config_cmd(PRESET, broadcast_config)
+
+    subprocess.run(["nrfjprog", "--reset", "-s", "1050109484"], check=True)
+
+    time.sleep(2)
+
+    for cmd in cmds:
+        ret = write_to_serial_read_respone(PORT, cmd, timeout=0.1)
+        print("\n".join(ret))
+
+    time.sleep(1)
+
+    for i in broadcast_config.keys():
+        ret = write_to_serial_read_respone(PORT, f"nac start_idx {i}", timeout=0.1)
+        print("\n".join(ret))
+        time.sleep(0.2)

prj.conf

@@ -3,7 +3,16 @@
 #
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #
-
+# USB mass storage
+CONFIG_APP_MSC_STORAGE_SDCARD=y
+CONFIG_USB_DEVICE_STACK=y
+CONFIG_USB_DEVICE_PRODUCT="Zephyr MSC sample"
+CONFIG_USB_DEVICE_PID=0x0008
+CONFIG_LOG=y
+CONFIG_USB_DRIVER_LOG_LEVEL_ERR=y
+CONFIG_USB_MASS_STORAGE=y
+CONFIG_USB_DEVICE_LOG_LEVEL_ERR=y
+CONFIG_USB_MASS_STORAGE_LOG_LEVEL_ERR=y
 
 # General
 CONFIG_REBOOT=y
@@ -15,9 +24,9 @@ CONFIG_THREAD_RUNTIME_STATS=y
 CONFIG_MAIN_THREAD_PRIORITY=10
 CONFIG_STACK_SENTINEL=y
 CONFIG_INIT_STACKS=y
-CONFIG_MAIN_STACK_SIZE=12000
+CONFIG_MAIN_STACK_SIZE=18000
 CONFIG_THREAD_NAME=y
-CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=1200
+CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2000
 
 # Uart driver
 CONFIG_SERIAL=y
@@ -28,7 +37,7 @@ CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y
 CONFIG_LOG_TAG_MAX_LEN=2
 CONFIG_LOG_TAG_DEFAULT="--"
 
-CONFIG_LOG_BUFFER_SIZE=4096
+CONFIG_LOG_BUFFER_SIZE=16384
 CONFIG_USE_SEGGER_RTT=n
 CONFIG_LOG_BACKEND_RTT=n
 
@@ -82,7 +91,6 @@ CONFIG_ADC=y
 CONFIG_WATCHDOG=y
 CONFIG_TASK_WDT=y
 
-
 # Use this for debugging thread usage
 #CONFIG_LOG_THREAD_ID_PREFIX=y
 
@@ -96,8 +104,8 @@ CONFIG_KERNEL_SHELL=y
 CONFIG_SHELL_BACKEND_SERIAL=y
 CONFIG_SHELL_VT100_COMMANDS=y
 CONFIG_SHELL_VT100_COLORS=y
-CONFIG_SHELL_STACK_SIZE=8096
-CONFIG_SHELL_CMD_BUFF_SIZE=128
+CONFIG_SHELL_STACK_SIZE=16384
+CONFIG_SHELL_CMD_BUFF_SIZE=512
 ## Reduce shell memory usage
 CONFIG_SHELL_WILDCARD=n
 CONFIG_SHELL_HELP_ON_WRONG_ARGUMENT_COUNT=n
@@ -125,16 +133,16 @@ CONFIG_BT_DEVICE_NAME_DYNAMIC=y
 CONFIG_BT_CAP_INITIATOR=y
 
 CONFIG_BT_ISO_BROADCASTER=y
-CONFIG_BT_ISO_MAX_BIG=2
+CONFIG_BT_ISO_MAX_BIG=5
 CONFIG_BT_ISO_MAX_CHAN=8
 # Should be twice that of BT_ISO_MAX_CHAN
 CONFIG_BT_ISO_TX_BUF_COUNT=16
 
 CONFIG_BT_BAP_BROADCAST_SOURCE=y
-CONFIG_BT_BAP_BROADCAST_SRC_COUNT=2
-CONFIG_BT_EXT_ADV_MAX_ADV_SET=2
-CONFIG_BT_BAP_BROADCAST_SRC_SUBGROUP_COUNT=4
-CONFIG_BT_BAP_BROADCAST_SRC_STREAM_COUNT=8
+CONFIG_BT_BAP_BROADCAST_SRC_COUNT=5
+CONFIG_BT_EXT_ADV_MAX_ADV_SET=5
+CONFIG_BT_BAP_BROADCAST_SRC_SUBGROUP_COUNT=1
+CONFIG_BT_BAP_BROADCAST_SRC_STREAM_COUNT=1
 
 # Broadcasting Device - 0x0885
 CONFIG_BT_DEVICE_APPEARANCE=2181

readme.md

@@ -0,0 +1,6 @@
+# TODO:
+- stoppen von streams während advertising weiter läuft
+- 16kHz mit 16kbps (nur 32 kbps möglich)
+- cpu usage debuggen
+- 5 streams oder mehr parallel
+    - mehr als 4 streams erzeugen file open error

src/main.c

@@ -22,10 +22,57 @@
 #include "sd_card.h"
 #include "lc3_streamer.h"
 #include "led.h"
-
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(main, CONFIG_MAIN_LOG_LEVEL);
 
+#include <sample_usbd.h>
+#include <zephyr/usb/usb_device.h>
+#include <zephyr/usb/usbd.h>
+#include <zephyr/usb/class/usbd_msc.h>
+#include <zephyr/fs/fs.h>
+
+#if CONFIG_FAT_FILESYSTEM_ELM
+#include <ff.h>
+#endif
+
+#if !defined(CONFIG_DISK_DRIVER_FLASH) && \
+	!defined(CONFIG_DISK_DRIVER_RAM) && \
+	!defined(CONFIG_DISK_DRIVER_SDMMC)
+#error No supported disk driver enabled
+#endif
+
+#define STORAGE_PARTITION		storage_partition
+#define STORAGE_PARTITION_ID		FIXED_PARTITION_ID(STORAGE_PARTITION)
+
+static struct fs_mount_t fs_mnt;
+
+static int mount_app_fs(struct fs_mount_t *mnt)
+{
+	int rc;
+
+#if CONFIG_FAT_FILESYSTEM_ELM
+	static FATFS fat_fs;
+
+	mnt->type = FS_FATFS;
+	mnt->fs_data = &fat_fs;
+	if (IS_ENABLED(CONFIG_DISK_DRIVER_RAM)) {
+		mnt->mnt_point = "/RAM:";
+	} else if (IS_ENABLED(CONFIG_DISK_DRIVER_SDMMC)) {
+		mnt->mnt_point = "/SD:";
+	} else {
+		mnt->mnt_point = "/NAND:";
+	}
+
+#elif CONFIG_FILE_SYSTEM_LITTLEFS
+	mnt->type = FS_LITTLEFS;
+	mnt->mnt_point = "/lfs";
+	mnt->fs_data = &storage;
+#endif
+	rc = fs_mount(mnt);
+
+	return rc;
+}
+
 ZBUS_CHAN_DECLARE(bt_mgmt_chan);
 ZBUS_CHAN_DECLARE(sdu_ref_chan);
 ZBUS_CHAN_DECLARE(le_audio_chan);
@@ -44,11 +91,17 @@ struct bt_le_ext_adv *ext_adv;
 #define EXT_ADV_UUID_BUF_SIZE (128)
 NET_BUF_SIMPLE_DEFINE_STATIC(uuid_data0, EXT_ADV_UUID_BUF_SIZE);
 NET_BUF_SIMPLE_DEFINE_STATIC(uuid_data1, EXT_ADV_UUID_BUF_SIZE);
+NET_BUF_SIMPLE_DEFINE_STATIC(uuid_data2, EXT_ADV_UUID_BUF_SIZE);
+NET_BUF_SIMPLE_DEFINE_STATIC(uuid_data3, EXT_ADV_UUID_BUF_SIZE);
+NET_BUF_SIMPLE_DEFINE_STATIC(uuid_data4, EXT_ADV_UUID_BUF_SIZE);
 
 /* Buffer for periodic advertising BASE data. */
 #define BASE_DATA_BUF_SIZE (256)
 NET_BUF_SIMPLE_DEFINE_STATIC(base_data0, BASE_DATA_BUF_SIZE);
 NET_BUF_SIMPLE_DEFINE_STATIC(base_data1, BASE_DATA_BUF_SIZE);
+NET_BUF_SIMPLE_DEFINE_STATIC(base_data2, BASE_DATA_BUF_SIZE);
+NET_BUF_SIMPLE_DEFINE_STATIC(base_data3, BASE_DATA_BUF_SIZE);
+NET_BUF_SIMPLE_DEFINE_STATIC(base_data4, BASE_DATA_BUF_SIZE);
 
 /* Extended advertising buffer. */
 static struct bt_data ext_adv_buf[CONFIG_BT_ISO_MAX_BIG][CONFIG_EXT_ADV_BUF_MAX];
@@ -80,13 +133,28 @@ static struct broadcast_source_ext_adv_data ext_adv_data[] = {
 	 .pba_buf = pba_data[0]},
 	{.uuid_buf = &uuid_data1,
 	 .pba_metadata_vacant_cnt = BROADCAST_SOURCE_PBA_METADATA_VACANT,
-	 .pba_buf = pba_data[1]}};
+	 .pba_buf = pba_data[1]},
+	{.uuid_buf = &uuid_data2,
+	 .pba_metadata_vacant_cnt = BROADCAST_SOURCE_PBA_METADATA_VACANT,
+	 .pba_buf = pba_data[2]},
+	{.uuid_buf = &uuid_data3,
+	 .pba_metadata_vacant_cnt = BROADCAST_SOURCE_PBA_METADATA_VACANT,
+	 .pba_buf = pba_data[3]},
+	{.uuid_buf = &uuid_data1,
+	 .pba_metadata_vacant_cnt = BROADCAST_SOURCE_PBA_METADATA_VACANT,
+	 .pba_buf = pba_data[4]}
+	};
 
 /**
  * @brief	Broadcast source static periodic advertising data.
  */
-static struct broadcast_source_per_adv_data per_adv_data[] = {{.base_buf = &base_data0},
-							      {.base_buf = &base_data1}};
+static struct broadcast_source_per_adv_data per_adv_data[] = {
+	{.base_buf = &base_data0},
+	{.base_buf = &base_data1},
+	{.base_buf = &base_data2},
+	{.base_buf = &base_data3},
+	{.base_buf = &base_data4}
+	};
 
 static struct broadcast_source_big broadcast_param[CONFIG_BT_ISO_MAX_BIG];
 static struct subgroup_config subgroups[CONFIG_BT_ISO_MAX_BIG]
@@ -287,24 +355,33 @@ static void stream_frame_get_and_send(struct stream_index stream_idx)
 
 	ret = lc3_streamer_next_frame_get(
 		stream_file_idx, (const uint8_t **const)&(bis_info->frame_ptrs[stream_idx.lvl3]));
-	if (ret == -ENODATA) {
-		LOG_WRN("No more frames to read");
-		ret = lc3_streamer_stream_close(stream_file_idx);
-		if (ret) {
-			LOG_ERR("Failed to close stream: %d", ret);
-		}
-
-		bis_info->lc3_streamer_idx[stream_idx.lvl3] = LC3_STREAMER_INDEX_UNUSED;
-
-		return;
-	} else if (ret == -ENOMSG) {
-		LOG_DBG("Frame from SD card not ready for stream %d, using zero packet",
-			stream_idx.lvl3);
-		bis_info->frame_ptrs[stream_idx.lvl3] = NULL;
-	} else if (ret) {
-		LOG_ERR("Failed to get next frame: %d", ret);
-		return;
+	
+	if (ret != 0){
+		bis_info->frame_ptrs[stream_idx.lvl3] = NULL; // use zero packet
+		//ret = lc3_streamer_stream_close(stream_file_idx);
+		// if (ret) {
+		// 	LOG_ERR("Failed to close stream: %d", ret);
+		// }
 	}
+	
+	// if (ret == -ENODATA) {
+	// 	LOG_WRN("No more frames to read");
+	// 	ret = lc3_streamer_stream_close(stream_file_idx);
+	// 	if (ret) {
+	// 		LOG_ERR("Failed to close stream: %d", ret);
+	// 	}
+
+	// 	bis_info->lc3_streamer_idx[stream_idx.lvl3] = LC3_STREAMER_INDEX_UNUSED;
+
+	// 	return;
+	// } else if (ret == -ENOMSG) {
+	// 	LOG_DBG("Frame from SD card not ready for stream %d, using zero packet",
+	// 		stream_idx.lvl3);
+	// 	bis_info->frame_ptrs[stream_idx.lvl3] = NULL;
+	// } else if (ret) {
+	// 	LOG_ERR("Failed to get next frame: %d", ret);
+	// 	return;
+	// }
 
 	bis_info->frame_loaded[stream_idx.lvl3] = true;
 
@@ -490,13 +567,16 @@ static int ext_adv_populate(uint8_t big_index, struct broadcast_source_ext_adv_d
 	ext_adv_buf[ext_adv_buf_cnt].data = ext_adv_data->uuid_buf->data;
 	ext_adv_buf_cnt++;
 
-	ret = bt_mgmt_manufacturer_uuid_populate(ext_adv_data->uuid_buf,
-						 CONFIG_BT_DEVICE_MANUFACTURER_ID);
-	if (ret) {
-		LOG_ERR("Failed to add adv data with manufacturer ID: %d", ret);
-		return ret;
-	}
+	//TODO: populating the manufacturer id fails with crash for more than 2 big
+	// LOG_INF("populating manufacurer id for %d", big_index);
+	// ret = bt_mgmt_manufacturer_uuid_populate(ext_adv_data->uuid_buf,
+	// 					 CONFIG_BT_DEVICE_MANUFACTURER_ID);
+	// if (ret) {
+	// 	LOG_ERR("Failed to add adv data with manufacturer ID: %d", ret);
+	// 	return ret;
+	// }
 
+	LOG_INF("Populating ext adv broadcast source %d", big_index);
 	ret = broadcast_source_ext_adv_populate(big_index, broadcast_param[big_index].fixed_id,
 						broadcast_param[big_index].broadcast_id,
 						ext_adv_data, &ext_adv_buf[ext_adv_buf_cnt],
@@ -511,7 +591,7 @@ static int ext_adv_populate(uint8_t big_index, struct broadcast_source_ext_adv_d
 	/* Add the number of UUIDs */
 	ext_adv_buf[0].data_len = ext_adv_data->uuid_buf->len;
 
-	LOG_DBG("Size of adv data: %d, num_elements: %d", sizeof(struct bt_data) * ext_adv_buf_cnt,
+	LOG_INF("Size of adv data: %d, num_elements: %d", sizeof(struct bt_data) * ext_adv_buf_cnt,
 		ext_adv_buf_cnt);
 
 	*ext_adv_count = ext_adv_buf_cnt;
@@ -560,7 +640,7 @@ static int per_adv_populate(uint8_t big_index, struct broadcast_source_per_adv_d
 static void broadcast_create(uint8_t big_index)
 {
 	if (big_index >= CONFIG_BT_ISO_MAX_BIG) {
-		LOG_ERR("BIG index out of range");
+		LOG_ERR("BIG index %d out of range", big_index);
 		return;
 	}
 
@@ -654,7 +734,7 @@ int main(void)
 {
 	int ret;
 
-	LOG_DBG("Main started");
+	LOG_INF("Main started");
 
 	ret = nrfx_clock_divider_set(NRF_CLOCK_DOMAIN_HFCLK, NRF_CLOCK_HFCLK_DIV_1);
 	ret -= NRFX_ERROR_BASE_NUM;
@@ -689,14 +769,15 @@ int main(void)
 		}
 	}
 
-	ret = zbus_subscribers_create();
-	ERR_CHK_MSG(ret, "Failed to create zbus subscriber threads");
 
 	if (sd_card_present) {
 		ret = sd_card_toc_gen();
 		ERR_CHK_MSG(ret, "Failed to generate SD card table");
 	}
 
+	ret = zbus_subscribers_create();
+	ERR_CHK_MSG(ret, "Failed to create zbus subscriber threads");
+
 	return 0;
 }
 
@@ -874,6 +955,18 @@ static void nrf_auraconfig_print(const struct shell *shell, uint8_t group_index)
 	}
 }
 
+static int cmd_usb_mass_enable(const struct shell *shell, size_t argc, char **argv)
+{
+	int ret;
+	ret = usb_enable(NULL);
+	if (ret != 0) {
+		LOG_ERR("Failed to enable USB");
+		return -1;
+	}
+	LOG_INF("The device is put in USB mass storage mode.\n");
+	return 0;
+}
+
 static int cmd_list(const struct shell *shell, size_t argc, char **argv)
 {
 	ARG_UNUSED(argc);
@@ -892,12 +985,15 @@ static int adv_create_and_start(const struct shell *shell, uint8_t big_index)
 
 	size_t ext_adv_buf_cnt = 0;
 	size_t per_adv_buf_cnt = 0;
+	LOG_INF("Starting Ext Advertising for big %d", big_index);
 
 	if (big_index >= CONFIG_BT_ISO_MAX_BIG) {
 		shell_error(shell, "BIG index out of range");
 		return -EINVAL;
 	}
 
+	LOG_INF("Starting Ext Advertising for big %d", big_index);
+
 	if (broadcast_param[big_index].broadcast_name[0] == '\0') {
 		/* Name not set, using default */
 		size_t brdcst_name_size = sizeof(CONFIG_BT_AUDIO_BROADCAST_NAME) - 1;
@@ -931,6 +1027,7 @@ static int adv_create_and_start(const struct shell *shell, uint8_t big_index)
 
 	bt_set_name(broadcast_param[big_index].adv_name);
 
+	LOG_INF("Populating Ext Advertising for big %d", big_index);
 	/* Get advertising set for BIG0 */
 	ret = ext_adv_populate(big_index, &ext_adv_data[big_index], ext_adv_buf[big_index],
 			       ARRAY_SIZE(ext_adv_buf[big_index]), &ext_adv_buf_cnt);
@@ -938,6 +1035,7 @@ static int adv_create_and_start(const struct shell *shell, uint8_t big_index)
 		return ret;
 	}
 
+	LOG_INF("Populating periodic Advertising for big %d", big_index);
 	ret = per_adv_populate(big_index, &per_adv_data[big_index], &per_adv_buf[big_index], 1,
 			       &per_adv_buf_cnt);
 	if (ret) {
@@ -945,6 +1043,7 @@ static int adv_create_and_start(const struct shell *shell, uint8_t big_index)
 	}
 
 	/* Start broadcaster */
+	LOG_INF("Starting the Advertiser for big %d", big_index);
 	ret = bt_mgmt_adv_start(big_index, ext_adv_buf[big_index], ext_adv_buf_cnt,
 				&per_adv_buf[big_index], per_adv_buf_cnt, false);
 	if (ret) {
@@ -1053,12 +1152,13 @@ static int big_enable(const struct shell *shell, uint8_t big_index)
 		return ret;
 	}
 
+	LOG_INF("starting advertising for BIG %d", big_index);
 	ret = adv_create_and_start(shell, big_index);
 	if (ret) {
 		shell_error(shell, "Failed to start advertising for BIG%d: %d", big_index, ret);
 		return ret;
 	}
-
+	LOG_INF("Advertising started for BIG %d", big_index);
 	return 0;
 }
 
@@ -1096,6 +1196,103 @@ static int cmd_start(const struct shell *shell, size_t argc, char **argv)
 	return 0;
 }
 
+static int cmd_start_idx(const struct shell *shell, size_t argc, char **argv)
+{
+	int ret;
+	uint8_t big_index;
+
+	big_index = (uint8_t)atoi(argv[1]);
+	LOG_INF("Enable big %d", big_index);
+	ret = big_enable(shell, big_index);
+	if (ret) {
+		return ret;
+	}
+
+	led_blink(LED_APP_RGB, LED_COLOR_GREEN);
+
+	return 0;
+}
+
+static int enable_broadcast_source_only(const struct shell *shell, uint8_t big_index)
+{
+	int ret;
+
+	if (big_index >= CONFIG_BT_ISO_MAX_BIG) {
+		return -EINVAL;
+	}
+
+	if ((broadcast_param[big_index].subgroups == NULL) ||
+	    (broadcast_param[big_index].num_subgroups == 0)) {
+		LOG_ERR("No subgroups defined for BIG%d", big_index);
+		return -EINVAL;
+	}
+
+	if (broadcast_source_is_streaming(big_index)) {
+		LOG_WRN("BIG %d is already streaming", big_index);
+		/* Do not return error code as this might be called from a for-loop */
+		return 0;
+	}
+
+	ret = broadcast_source_enable(&broadcast_param[big_index], big_index);
+	if (ret) {
+		shell_error(shell, "Failed to enable broadcaster: %d", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int cmd_broadcast_source_enable(const struct shell *shell, size_t argc, char **argv)
+{
+	int ret;
+
+	if (argc == 2) {
+		uint8_t big_index;
+
+		ret = argv_to_indexes(shell, argc, argv, &big_index, 1, NULL, 0);
+		if (ret) {
+			return ret;
+		}
+
+		ret = enable_broadcast_source_only(shell, big_index);
+		if (ret) {
+			return ret;
+		}
+
+	} else {
+		for (int i = 0; i < CONFIG_BT_ISO_MAX_BIG; i++) {
+			if (broadcast_param[i].subgroups != NULL ||
+			    broadcast_param[i].num_subgroups > 0) {
+				ret = enable_broadcast_source_only(shell, i);
+				if (ret) {
+					return ret;
+				}
+			}
+		}
+	}
+
+	led_blink(LED_APP_RGB, LED_COLOR_GREEN);
+
+	return 0;
+}
+
+static int broadcaster_source_disable(const struct shell *shell, uint8_t big_index)
+{
+	int ret;
+
+	if (!broadcast_source_is_streaming(big_index)) {
+		return 0;
+	}
+
+	ret = broadcast_source_disable(big_index);
+	if (ret) {
+		shell_error(shell, "Failed to stop broadcaster(s) %d", ret);
+		return ret;
+	}
+	return 0;
+	
+}
+
 static int broadcaster_stop(const struct shell *shell, uint8_t big_index)
 {
 	int ret;
@@ -1121,14 +1318,24 @@ static int broadcaster_stop(const struct shell *shell, uint8_t big_index)
 		shell_error(shell, "Failed to stop extended advertiser");
 		return ret;
 	}
-
 	if (big_index == 0) {
 		net_buf_simple_reset(&base_data0);
 		net_buf_simple_reset(&uuid_data0);
 	} else if (big_index == 1) {
 		net_buf_simple_reset(&base_data1);
 		net_buf_simple_reset(&uuid_data1);
-	} else {
+	} else if (big_index == 2) {
+		net_buf_simple_reset(&base_data2);
+		net_buf_simple_reset(&uuid_data2);
+	} else if (big_index == 3) {
+		net_buf_simple_reset(&base_data3);
+		net_buf_simple_reset(&uuid_data3);
+	} else if (big_index == 4) {
+		net_buf_simple_reset(&base_data4);
+		net_buf_simple_reset(&uuid_data4);
+	}	
+	else {
+		LOG_ERR("Stopping the broadcast source failed, big index %d out of range", big_index);
 		shell_error(shell, "BIG index out of range");
 		return -EINVAL;
 	}
@@ -1146,6 +1353,38 @@ static int broadcaster_stop(const struct shell *shell, uint8_t big_index)
 	return 0;
 }
 
+
+static int cmd_broadcast_source_disable(const struct shell *shell, size_t argc, char **argv)
+{
+	int ret;
+
+	if (argc == 2) {
+		uint8_t big_index;
+
+		ret = argv_to_indexes(shell, argc, argv, &big_index, 1, NULL, 0);
+		if (ret) {
+			return ret;
+		}
+
+		ret = broadcaster_source_disable(shell, big_index);
+
+	} else {
+		for (size_t i = 0; i < CONFIG_BT_ISO_MAX_BIG; i++) {
+			if (broadcast_param[i].subgroups != NULL) {
+				ret = broadcaster_source_disable(shell, i);
+				if (ret) {
+					return ret;
+				}
+			}
+		}
+	}
+
+	led_on(LED_APP_RGB, LED_COLOR_GREEN);
+
+	return 0;
+}
+
+
 static int cmd_stop(const struct shell *shell, size_t argc, char **argv)
 {
 	int ret;
@@ -1780,7 +2019,120 @@ static int cmd_file_select(const struct shell *shell, size_t argc, char **argv)
 
 	ret = lc3_streamer_stream_register(
 		file_name, &lc3_stream_infos[big_index][sub_index].lc3_streamer_idx[bis_index],
-		true);
+		true); // TODO: set this to false and only loop once with a dedicated command
+	if (ret) {
+		shell_error(shell, "Failed to register stream: %d", ret);
+		return ret;
+	}
+
+	lc3_stream_infos[big_index][sub_index].frame_size =
+		broadcast_param[big_index].subgroups[sub_index].group_lc3_preset.qos.sdu;
+
+	return 0;
+}
+
+
+static int cmd_stream_close(const struct shell *shell, size_t argc, char **argv)
+{
+	int ret;
+	uint8_t big_index;
+	uint8_t sub_index;
+	uint8_t bis_index;
+
+	ret = argv_to_indexes(shell, argc, argv, &big_index, 1, &sub_index, 2);
+	if (ret) {
+		shell_error(shell, "Failed to get indexes: %d", ret);
+		return ret;
+	}
+	bis_index = (uint8_t)atoi(argv[3]);
+
+	ret = lc3_streamer_stream_close(lc3_stream_infos[big_index][sub_index].lc3_streamer_idx[bis_index]);
+
+}
+static int cmd_file_select_play_once(const struct shell *shell, size_t argc, char **argv)
+{
+	int ret;
+	uint8_t big_index;
+	uint8_t sub_index;
+	uint8_t bis_index;
+
+	if (!sd_card_present) {
+		shell_error(shell, "No SD card present: files cannot be selected");
+		return -EFAULT;
+	}
+
+	if (argc != 5) {
+		shell_error(shell,
+			    "Usage: nac file select <file path> <BIG index> <subgroup index> "
+			    "<BIS index>");
+		return -EINVAL;
+	}
+
+	ret = argv_to_indexes(shell, argc, argv, &big_index, 2, &sub_index, 3);
+	if (ret) {
+		shell_error(shell, "Failed to get indexes: %d", ret);
+		return ret;
+	}
+
+	// bis_index = (uint8_t)atoi(argv[4]);
+	// ret = lc3_streamer_stream_close(lc3_stream_infos[big_index][sub_index].lc3_streamer_idx[bis_index]);
+	// if (ret) {
+	// 	shell_error(shell, "Failed to close stream: %d", ret);
+	// 	return ret;
+	// }
+
+	if (!is_number(argv[4])) {
+		shell_error(shell, "BIS index must be a digit");
+		return -EINVAL;
+	}
+
+	bis_index = (uint8_t)atoi(argv[4]);
+
+	if ((bis_index >= CONFIG_BT_BAP_BROADCAST_SRC_STREAM_COUNT) ||
+	    (bis_index >= broadcast_param[big_index].subgroups[sub_index].num_bises)) {
+		shell_error(shell, "BIS index %d is out of range (max %d)", bis_index,
+			    broadcast_param[big_index].subgroups[sub_index].num_bises - 1);
+		return -EINVAL;
+	}
+
+	char *file_name = argv[1];
+
+	LOG_DBG("Selecting file %s for stream big: %d sub: %d bis: %d", file_name, big_index,
+		sub_index, bis_index);
+
+	struct bt_audio_codec_cfg *codec_cfg =
+		&broadcast_param[big_index].subgroups[sub_index].group_lc3_preset.codec_cfg;
+
+	struct lc3_stream_cfg cfg;
+
+	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;
+	}
+
+	ret = le_audio_duration_us_get(codec_cfg, &cfg.frame_duration_us);
+	if (ret) {
+		shell_error(shell, "Failed to get frame duration: %d", ret);
+	}
+
+	ret = le_audio_bitrate_get(codec_cfg, &cfg.bit_rate_bps);
+	if (ret) {
+		shell_error(shell, "Failed to get bit rate: %d", ret);
+	}
+
+	/* 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 header_valid = lc3_streamer_file_compatible_check(file_name, &cfg);
+
+	if (!header_valid) {
+		shell_warn(shell, "File header verification failed. File may not be compatible "
+				  "with stream config.");
+	}
+
+	ret = lc3_streamer_stream_register(
+		file_name, &lc3_stream_infos[big_index][sub_index].lc3_streamer_idx[bis_index],
+		false); // TODO: set this to false and only loop once with a dedicated command
 	if (ret) {
 		shell_error(shell, "Failed to register stream: %d", ret);
 		return ret;
@@ -2603,6 +2955,10 @@ SHELL_STATIC_SUBCMD_SET_CREATE(sub_file_cmd,
 			       /* 5 required arguments */
 			       SHELL_CMD_ARG(select, &folder_names, "Select file on SD card",
 					     cmd_file_select, 5, 0),
+				   SHELL_CMD_ARG(select_play_once, &folder_names, "Select file on SD card",
+					     cmd_file_select_play_once, 5, 0),
+				   SHELL_CMD_ARG(stream_close, &folder_names, "Select file on SD card",
+					     cmd_stream_close, 4, 0),
 			       SHELL_SUBCMD_SET_END);
 
 SHELL_STATIC_SUBCMD_SET_CREATE(
@@ -2617,6 +2973,13 @@ SHELL_STATIC_SUBCMD_SET_CREATE(
 	configuration_cmd, SHELL_COND_CMD(CONFIG_SHELL, list, NULL, "List presets", cmd_list),
 	SHELL_COND_CMD(CONFIG_SHELL, start, NULL, "Start broadcaster", cmd_start),
 	SHELL_COND_CMD(CONFIG_SHELL, stop, NULL, "Stop broadcaster", cmd_stop),
+	SHELL_COND_CMD(CONFIG_SHELL, start_idx, NULL, "Start broadcaster with index", cmd_start_idx),
+	SHELL_COND_CMD(CONFIG_SHELL, source_disable, NULL, "Disable broadcast source", cmd_broadcast_source_disable),
+	SHELL_COND_CMD(CONFIG_SHELL, source_enable, NULL, "Enable broadcast source", cmd_broadcast_source_enable),
+	SHELL_COND_CMD(CONFIG_SHELL, stream_close, NULL, "Close lc3 stream", cmd_stream_close),
+	SHELL_COND_CMD(CONFIG_SHELL, en_usb_mass, NULL, "Enable usb mass storage device", cmd_usb_mass_enable),
+
+
 	SHELL_COND_CMD(CONFIG_SHELL, show, NULL, "Show current configuration", cmd_show),
 	SHELL_COND_CMD(CONFIG_SHELL, packing, NULL, "Set type of packing", cmd_packing),
 	SHELL_COND_CMD(CONFIG_SHELL, preset, NULL, "Set preset", cmd_preset),

sysbuild/ipc_radio/prj.conf

@@ -19,9 +19,9 @@ CONFIG_BT_ISO_BROADCASTER=y
 CONFIG_BT_ISO_SYNC_RECEIVER=n
 CONFIG_BT_EXT_ADV=y
 
-CONFIG_BT_CTLR_ADV_SET=2
-CONFIG_BT_EXT_ADV_MAX_ADV_SET=2
-CONFIG_BT_CTLR_ADV_ISO_SET=2
+CONFIG_BT_CTLR_ADV_SET=5
+CONFIG_BT_EXT_ADV_MAX_ADV_SET=5
+CONFIG_BT_CTLR_ADV_ISO_SET=5
 CONFIG_BT_CTLR_ADV_ISO_STREAM_COUNT=8
 
 CONFIG_BT_MAX_CONN=1