glitchy sound when using rNF5340 Audio.

[tech-apprentice]

When compiling the rNF5340 Audio sample project the sound that comes out is glitchy and after a short while the gateway crashes. I have three rNF5340 Audio DK running in the gateway, left and right setup. I use "python3 buildprog.py -c both -b debug -d both --pristine -p --recover" command line to compile and run the scipts to the DK's.

just as a note i haven't edited any of the C i just created a new application, choose rNF5340 Audio, added config and changed the devices.json file.

my os is macOs.

devices.json

[
 {
        "nrf5340_audio_dk_snr": 1050192156,
        "nrf5340_audio_dk_dev": "headset",
        "channel": "left"
 },
 {
        "nrf5340_audio_dk_snr": 1050187039,
        "nrf5340_audio_dk_dev": "gateway",
        "channel": "NA"
 },
 {
        "nrf5340_audio_dk_snr": 1050120160,
        "nrf5340_audio_dk_dev": "headset",
        "channel": "right"
 }
]

i also got some debug messages from each DK from the VCOM0 port. i hope it is useful.

Gate way:

GW [00:00:13.222,045] <inf> cis_gateway: Stream 0x2000a8c0 started
GW [00:00:29.619,995] <wrn> bt_hci_core: opcode 0x206f status 0x0c
GW [00:00:29.620,391] <wrn> bt_hci_core: opcode 0x206f status 0x12
GW [00:00:29.620,391] <inf> cis_gateway: Stream 0x2000a8c0 stopped
GW [00:00:29.620,941] <inf> cis_gateway: Disconnected: F9:A7:1F:B6:19:18 (random) (reason 0x08)
GW [00:00:29.621,795] <inf> cis_gateway: Scanning successfully started
GW [00:00:29.666,748] <wrn> bt_hci_core: opcode 0x206f status 0x0c
GW [00:00:29.667,175] <wrn> bt_hci_core: opcode 0x206f status 0x12
GW [00:00:29.667,175] <inf> cis_gateway: Stream 0x2000a89c stopped
GW [00:00:29.667,724] <inf> cis_gateway: Disconnected: F3:45:79:A4:82:32 (random) (reason 0x08)
GW [00:00:29.667,846] <wrn> cis_gateway: Scanning failed to start: -120
GW [00:00:29.670,257] <wrn> streamctrl: Problem with sending LE audio data, ret: -140
GW [00:00:30.487,365] <inf> cis_gateway: Connected: F3:45:79:A4:82:32 (random)
GW [00:00:32.989,471] <err> bt_unicast_client: Failed to subscribe to location: -120
GW [00:00:33.189,331] <inf> cis_gateway: Scanning successfully started
GW [00:00:33.441,375] <inf> cis_gateway: Connected: F9:A7:1F:B6:19:18 (random)
GW [00:00:33.938,659] <wrn> cis_gateway: Failed to discover sink: -12
GW [00:00:33.988,739] <err> cis_gateway: Discovery failed: 14
GW [00:01:34.090,393] <inf> cis_gateway: Disconnected: F3:45:79:A4:82:32 (random) (reason 0x08)
GW [00:01:34.091,094] <inf> cis_gateway: Scanning successfully started
GW [00:01:35.421,264] <inf> cis_gateway: Connected: F3:45:79:A4:82:32 (random)
GW [00:01:36.967,956] <err> cis_gateway: Discovery failed: 14
GW [00:01:37.967,926] <inf> cis_gateway: Scanning successfully started
GW [00:01:39.067,169] <err> cis_gateway: Discovery failed: 14
GW [00:01:42.167,266] <inf> cis_gateway: Stream 0x2000a89c started
GW [00:01:42.175,292] <wrn> bt_hci_core: opcode 0x2061 status 0x0c
GW [00:01:48.377,990] <wrn> audio_system: Failed to get last filled block
GW [00:01:48.378,021] <err> os: ***** BUS FAULT *****
GW [00:01:48.378,021] <err> os:   Precise data bus error
GW [00:01:48.378,021] <err> os:   BFAR Address: 0x0
GW [00:01:48.378,051] <err> os: r0/a1:  0x20000238  r1/a2:  0x2000ee3c  r2/a3:  0x20003b44
GW [00:01:48.378,051] <err> os: r3/a4:  0x00000000 r12/ip:  0xffffffff r14/lr:  0x000494a3
GW [00:01:48.378,051] <err> os:  xpsr:  0x21100000
GW [00:01:48.378,082] <err> os: s[ 0]:  0x00000000  s[ 1]:  0x00000000  s[ 2]:  0x00000000  s[ 3]:  0x00000000
GW [00:01:48.378,082] <err> os: s[ 4]:  0x00000000  s[ 5]:  0x00000000  s[ 6]:  0x00000000  s[ 7]:  0x00000000
GW [00:01:48.378,082] <err> os: s[ 8]:  0x00000000  s[ 9]:  0x00000000  s[10]:  0x00000000  s[11]:  0x00000000
GW [00:01:48.378,082] <err> os: s[12]:  0x00000000  s[13]:  0x00000000  s[14]:  0x00000000  s[15]:  0x00000000
GW [00:01:48.378,112] <err> os: fpscr:  0x00000000
GW [00:01:48.378,112] <err> os: Faulting instruction address (r15/pc): 0x000494aa
GW [00:01:48.378,112] <err> os: >>> ZEPHYR FATAL ERROR 0: CPU exception on CPU 0
GW [00:01:48.378,143] <err> os: Current thread: 0x20001750 (ENCODER)
GW [00:01:48.378,143] <err> error_handler: Caught system error -- reason 0. Entering infinite loop

Left:

HL [00:00:00.259,124] <inf> fw_info: ------- DEBUG BUILD -------
HL [00:00:00.259,155] <inf> fw_info: 
         HEADSET left device
HL [00:00:00.269,744] <inf> board_version: Compatible board/HW version found: 1.0.0
HL [00:00:02.304,382] <wrn> ble: Failed to create ID
HL [00:00:02.307,556] <inf> fs_nvs: 6 Sectors of 4096 bytes
HL [00:00:02.307,586] <inf> fs_nvs: alloc wra: 0, f20
HL [00:00:02.307,586] <inf> fs_nvs: data wra: 0, 160
HL [00:00:02.317,687] <wrn> bt_hci_core: Controller to host flow control not supported
HL [00:00:02.320,770] <inf> bt_hci_core: No ID address. App must call settings_load()
HL [00:00:02.320,861] <inf> ble: MAC: 00:00:00:00:00:00 (public)
HL [00:00:02.321,411] <inf> ble: Controller version: 3303
HL [00:00:02.446,929] <inf> cis_headset: Direct advertising to C2:D1:E7:AB:50:8D (random) started
HL [00:00:04.445,648] <inf> cis_headset: Connected: C2:D1:E7:AB:50:8D (random)
HL [00:00:08.446,960] <inf> cis_headset: Codec config for LC3:
HL [00:00:08.446,990] <inf> cis_headset:        Frequency: 48000 Hz
HL [00:00:08.446,990] <inf> cis_headset:        Frame Duration: 10000 us
HL [00:00:08.446,990] <inf> cis_headset:        Channel allocation: 0x1
HL [00:00:08.447,021] <inf> cis_headset:        Octets per frame: 120 (96000 kbps)
HL [00:00:08.447,021] <inf> cis_headset:        Frames per SDU: 1
HL [00:00:08.763,397] <wrn> audio_datapath: I2S RX overrun. Single msg
HL [00:00:10.278,411] <inf> audio_datapath: Drft comp state: CALIB
HL [00:00:10.279,388] <wrn> audio_datapath: Data received, total underruns: 1523
HL [00:00:10.320,404] <wrn> audio_datapath: Data received, total underruns: 1524

Right:

        HEADSET right device
HR [00:00:00.269,775] <inf> board_version: Compatible board/HW version found: 1.0.0
HR [00:00:02.304,412] <wrn> ble: Failed to create ID
HR [00:00:02.307,586] <inf> fs_nvs: 6 Sectors of 4096 bytes
HR [00:00:02.307,586] <inf> fs_nvs: alloc wra: 0, f10
HR [00:00:02.307,586] <inf> fs_nvs: data wra: 0, 180
HR [00:00:02.317,779] <wrn> bt_hci_core: Controller to host flow control not supported
HR [00:00:02.320,922] <inf> bt_hci_core: No ID address. App must call settings_load()
HR [00:00:02.320,983] <inf> ble: MAC: 00:00:00:00:00:00 (public)
HR [00:00:02.321,563] <inf> ble: Controller version: 3303
HR [00:00:02.447,052] <inf> cis_headset: Direct advertising to C2:D1:E7:AB:50:8D (random) started
HR [00:00:05.392,456] <inf> cis_headset: Connected: C2:D1:E7:AB:50:8D (random)
HR [00:00:09.493,774] <inf> cis_headset: Codec config for LC3:
HR [00:00:09.493,804] <inf> cis_headset:        Frequency: 48000 Hz
HR [00:00:09.493,804] <inf> cis_headset:        Frame Duration: 10000 us
HR [00:00:09.493,804] <inf> cis_headset:        Channel allocation: 0x1
HR [00:00:09.493,804] <inf> cis_headset:        Octets per frame: 120 (96000 kbps)
HR [00:00:09.493,835] <inf> cis_headset:        Frames per SDU: 1
HR [00:00:09.810,211] <wrn> audio_datapath: I2S RX overrun. Single msg
HR [00:00:11.318,237] <inf> audio_datapath: Drft comp state: CALIB
HR [00:00:11.319,213] <wrn> audio_datapath: Data received, total underruns: 1516
HR [00:00:11.330,200] <wrn> audio_datapath: Data received, total underruns: 1517
HR [00:00:11.347,473] <inf> audio_datapath: sdu_ref_us not from consecutive frames
HR [00:00:11.350,219] <wrn> audio_datapath: Data received, total underruns: 1527
HR [00:00:11.407,501] <inf> audio_datapath: sdu_ref_us not from consecutive frames
HR [00:00:11.410,217] <wrn> audio_datapath: Data received, total underruns: 1557
HR [00:00:11.418,243] <inf> audio_datapath: Drft comp state: OFFSET
HR [00:00:11.557,525] <inf> audio_datapath: sdu_ref_us not from consecutive frames
HR [00:00:11.560,363] <wrn> audio_datapath: Data received, total underruns: 1597
HR [00:00:11.707,519] <inf> audio_datapath: sdu_ref_us not from consecutive frames
HR [00:00:11.709,625] <wrn> audio_datapath: Data received, total underruns: 1636
HR [00:00:11.847,503] <inf> audio_datapath: sdu_ref_us not from consecutive frames
HR [00:00:11.849,670] <wrn> audio_datapath: Data received, total underruns: 1676
HR [00:00:11.874,725] <inf> audio_datapath: Drft comp state: LOCKED
HR [00:00:11.877,532] <inf> audio_datapath: Pres comp state: MEAS
HR [00:00:11.997,528] <inf> audio_datapath: sdu_ref_us not from consecutive frames
HR [00:00:11.997,528] <inf> audio_datapath: Pres comp state: WAIT
HR [00:00:11.999,694] <wrn> audio_datapath: Data received, total underruns: 1716

Thanks in advanced!

[ClinicalAudio]

Hi, I realise this is now a few months old but was hoping to hear if there was a fix on the horizon for audio over USB when using the audio DK boards with a mac?  I have the demos running on my audio DK boards, but have come across the same glitching audio issue (SDK 2.3.0).  It would be useful to be able to stream audio directly from my mac for testing.

Many thanks!