Help with the nrf21540 on the nrf5340_audio project

Hi,

I'm using nRF Connect version 2.9.1 with the buildprog script method of building this project.

I've got some custom boards based on the nRF5340_audio_dk. We swapped out the codec for a stereo one and went to a Fanstel BT40N module for better range, but it doesn't seem like the FEM/amplifier is working right.

Right now I'm handling it by adding --nrf21540 to the end of my buildprog command to tell it that I've got a nrf21540 shield, and then I edited the arduino_compatible.overlay and arduino_compatible_fwd.overlay files (attached) to change up the pinout to match what the BT40N needs. 

It's definitely working better than before I made those changes, but it doesn't seem to be working nearly as well as it should and I'm wondering if the amplifier is the problem.

Should the FEM be fully working with the changes I've made?

Also, even when it works I get a ton of sync errors. See attached debug log.

I'm going to try removing the --nrf21540 and just see what happens when I hardcode the pins to be in a TX or RX configuration - does the BIS broadcaster firmware do any receiving and does the BIS receiver firmware do any transmitting?

Thanks,

Glen

arduino_compatible.overlay

arduino_compatible_fwd.overlay


*** Booting nRF Connect SDK v2.9.1-60d0d6c8d42d ***
*** Using Zephyr OS v3.7.99-ca954a6216c9 ***
[00:00:01.036,041] <inf> fw_info:
         nRF5340 Audio nRF5340 Audio DK cpuapp
         NCS base version: 2.9.1
         Cmake run : Tue Jul 15 11:58:50 2025
[00:00:01.056,518] <inf> bt_hci_core: HW Platform: Nordic Semiconductor (0x0002)
[00:00:01.056,518] <inf> bt_hci_core: HW Variant: nRF53x (0x0003)
[00:00:01.056,549] <inf> bt_hci_core: Firmware: Standard Bluetooth controller (0x00) Version 121.4259
 Build 3078678206
[00:00:01.090,606] <inf> bt_hci_core: Identity: F3:1F:3E:44:97:B6 (random)
[00:00:01.090,637] <inf> bt_hci_core: HCI: version 6.0 (0x0e) revision 0x209a, manufacturer 0x0059
[00:00:01.090,637] <inf> bt_hci_core: LMP: version 6.0 (0x0e) subver 0x209a
[00:00:01.091,003] <inf> bt_mgmt_ctlr_cfg: Controller: SoftDevice: Version 6.0 (0x0e), Revision 8346
[00:00:01.091,156] <inf> bt_mgmt: Local identity addr: F3:1F:3E:44:97:B6 (random)
[00:00:01.092,437] <err> TLV320: GDM cs47l63_comm_init
[00:00:01.092,468] <err> audiocodec: GDM cs47l63_initialize
[00:00:01.092,468] <err> TLV320: GDM cs47l63_comm_gpio_set
[00:00:01.094,543] <err> TLV320: GDM cs47l63_comm_gpio_set
[00:00:01.194,580] <err> TLV320: GDM End of cs47l63_comm_init
[00:00:01.194,610] <err> hw_codec: GDM Soft reset code
[00:00:01.195,831] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:01.195,831] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:02.503,387] <inf> main: PA sync lost, reason: 62
[00:00:02.503,387] <err> main: Failed to restart scanning: -120
[00:00:03.703,857] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:04.903,900] <inf> broadcast_sink: Sync with stereo channel
[00:00:04.903,900] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:04.904,083] <err> audio_system: GDM Decoder sample rate 48000
[00:00:04.904,083] <inf> main: Presentation delay 3000 us is set
[00:00:06.158,142] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:06.158,172] <inf> broadcast_sink: Stream sync lost
[00:00:06.158,203] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:06.158,203] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:06.158,233] <inf> broadcast_sink: Stream sync lost
[00:00:06.158,264] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:06.158,355] <inf> main: Sync lost
[00:00:06.158,752] <inf> main: PA sync lost, reason: 22
[00:00:06.159,576] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:06.159,606] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:06.159,606] <inf> main: Restarted scanning for broadcaster
[00:00:06.159,606] <inf> main: Sync lost
[00:00:06.159,637] <wrn> main: PA sync is NULL
[00:00:06.159,973] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:06.159,973] <err> bt_mgmt: Failed to delete PA sync
[00:00:06.159,973] <wrn> main: Failed to delete PA sync -13
[00:00:06.161,132] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:06.161,132] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:06.161,132] <inf> main: Restarted scanning for broadcaster
[00:00:07.503,906] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:08.103,912] <inf> broadcast_sink: Sync with stereo channel
[00:00:08.103,912] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:08.104,064] <err> audio_system: GDM Decoder sample rate 48000
[00:00:08.104,064] <inf> main: Presentation delay 3000 us is set
[00:00:09.958,160] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:09.958,190] <inf> broadcast_sink: Stream sync lost
[00:00:09.958,221] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:09.958,221] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:09.958,251] <inf> broadcast_sink: Stream sync lost
[00:00:09.958,282] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:09.958,374] <inf> main: Sync lost
[00:00:09.958,770] <inf> main: PA sync lost, reason: 22
[00:00:09.959,594] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:09.959,625] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:09.959,625] <inf> main: Restarted scanning for broadcaster
[00:00:09.959,625] <inf> main: Sync lost
[00:00:09.959,655] <wrn> main: PA sync is NULL
[00:00:09.959,991] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:09.959,991] <err> bt_mgmt: Failed to delete PA sync
[00:00:09.959,991] <wrn> main: Failed to delete PA sync -13
[00:00:09.961,151] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:09.961,151] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:09.961,151] <inf> main: Restarted scanning for broadcaster
[00:00:11.303,405] <inf> main: PA sync lost, reason: 62
[00:00:11.303,436] <err> main: Failed to restart scanning: -120
[00:00:12.503,906] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:13.103,942] <inf> broadcast_sink: Sync with stereo channel
[00:00:13.103,942] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:13.104,095] <err> audio_system: GDM Decoder sample rate 48000
[00:00:13.104,095] <inf> main: Presentation delay 3000 us is set
[00:00:15.558,197] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:15.558,197] <inf> broadcast_sink: Stream sync lost
[00:00:15.558,258] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:15.558,258] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:15.558,288] <inf> broadcast_sink: Stream sync lost
[00:00:15.558,319] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:15.558,410] <inf> main: Sync lost
[00:00:15.558,807] <inf> main: PA sync lost, reason: 22
[00:00:15.559,631] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:15.559,631] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:15.559,661] <inf> main: Restarted scanning for broadcaster
[00:00:15.559,661] <inf> main: Sync lost
[00:00:15.559,661] <wrn> main: PA sync is NULL
[00:00:15.560,028] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:15.560,028] <err> bt_mgmt: Failed to delete PA sync
[00:00:15.560,028] <wrn> main: Failed to delete PA sync -13
[00:00:15.561,187] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:15.561,187] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:15.561,187] <inf> main: Restarted scanning for broadcaster
[00:00:16.503,936] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:17.703,948] <inf> broadcast_sink: Sync with stereo channel
[00:00:17.703,948] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:17.704,132] <err> audio_system: GDM Decoder sample rate 48000
[00:00:17.704,132] <inf> main: Presentation delay 3000 us is set
[00:00:20.758,209] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:20.758,239] <inf> broadcast_sink: Stream sync lost
[00:00:20.758,270] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:20.758,270] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:20.758,300] <inf> broadcast_sink: Stream sync lost
[00:00:20.758,361] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:20.758,422] <inf> main: Sync lost
[00:00:20.758,850] <inf> main: PA sync lost, reason: 22
[00:00:20.759,674] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:20.759,674] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:20.759,674] <inf> main: Restarted scanning for broadcaster
[00:00:20.759,704] <inf> main: Sync lost
[00:00:20.759,704] <wrn> main: PA sync is NULL
[00:00:20.760,040] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:20.760,040] <err> bt_mgmt: Failed to delete PA sync
[00:00:20.760,040] <wrn> main: Failed to delete PA sync -13
[00:00:20.761,199] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:20.761,230] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:20.761,230] <inf> main: Restarted scanning for broadcaster
[00:00:21.503,967] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:22.103,973] <inf> broadcast_sink: Sync with stereo channel
[00:00:22.103,973] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:22.104,156] <err> audio_system: GDM Decoder sample rate 48000
[00:00:22.104,156] <inf> main: Presentation delay 3000 us is set
[00:00:22.758,239] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:22.758,239] <inf> broadcast_sink: Stream sync lost
[00:00:22.758,300] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:22.758,300] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:22.758,331] <inf> broadcast_sink: Stream sync lost
[00:00:22.758,361] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:22.758,453] <inf> main: Sync lost
[00:00:22.758,850] <inf> main: PA sync lost, reason: 22
[00:00:22.759,674] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:22.759,674] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:22.759,704] <inf> main: Restarted scanning for broadcaster
[00:00:22.759,704] <inf> main: Sync lost
[00:00:22.759,704] <wrn> main: PA sync is NULL
[00:00:22.760,040] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:22.760,070] <err> bt_mgmt: Failed to delete PA sync
[00:00:22.760,070] <wrn> main: Failed to delete PA sync -13
[00:00:22.761,230] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:22.761,230] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:22.761,230] <inf> main: Restarted scanning for broadcaster
[00:00:23.903,717] <inf> main: PA sync lost, reason: 62
[00:00:23.903,747] <err> main: Failed to restart scanning: -120
[00:00:24.503,997] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:25.704,010] <inf> broadcast_sink: Sync with stereo channel
[00:00:25.704,010] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:25.704,162] <err> audio_system: GDM Decoder sample rate 48000
[00:00:25.704,162] <inf> main: Presentation delay 3000 us is set
[00:00:29.358,276] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:29.358,276] <inf> broadcast_sink: Stream sync lost
[00:00:29.358,337] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:29.358,337] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:29.358,367] <inf> broadcast_sink: Stream sync lost
[00:00:29.358,398] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:29.358,489] <inf> main: Sync lost
[00:00:29.358,886] <inf> main: PA sync lost, reason: 22
[00:00:29.359,710] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:29.359,710] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:29.359,741] <inf> main: Restarted scanning for broadcaster
[00:00:29.359,741] <inf> main: Sync lost
[00:00:29.359,741] <wrn> main: PA sync is NULL
[00:00:29.360,076] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:29.360,107] <err> bt_mgmt: Failed to delete PA sync
[00:00:29.360,107] <wrn> main: Failed to delete PA sync -13
[00:00:29.361,267] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:29.361,267] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:29.361,267] <inf> main: Restarted scanning for broadcaster
[00:00:30.703,491] <inf> main: PA sync lost, reason: 62
[00:00:30.703,491] <err> main: Failed to restart scanning: -120
[00:00:31.504,028] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:32.704,040] <inf> broadcast_sink: Sync with stereo channel
[00:00:32.704,040] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:32.704,193] <err> audio_system: GDM Decoder sample rate 48000
[00:00:32.704,193] <inf> main: Presentation delay 3000 us is set
[00:00:33.958,282] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:33.958,312] <inf> broadcast_sink: Stream sync lost
[00:00:33.958,343] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:33.958,343] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:33.958,374] <inf> broadcast_sink: Stream sync lost
[00:00:33.958,404] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:33.958,496] <inf> main: Sync lost
[00:00:33.958,923] <inf> main: PA sync lost, reason: 22
[00:00:33.959,747] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:33.959,747] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:33.959,747] <inf> main: Restarted scanning for broadcaster
[00:00:33.959,777] <inf> main: Sync lost
[00:00:33.959,777] <wrn> main: PA sync is NULL
[00:00:33.960,113] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:33.960,113] <err> bt_mgmt: Failed to delete PA sync
[00:00:33.960,113] <wrn> main: Failed to delete PA sync -13
[00:00:33.961,273] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:33.961,273] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:33.961,273] <inf> main: Restarted scanning for broadcaster
[00:00:34.904,052] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:36.104,064] <inf> broadcast_sink: Sync with stereo channel
[00:00:36.104,064] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:36.104,217] <err> audio_system: GDM Decoder sample rate 48000
[00:00:36.104,217] <inf> main: Presentation delay 3000 us is set
[00:00:36.758,300] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:36.758,331] <inf> broadcast_sink: Stream sync lost
[00:00:36.758,361] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:36.758,361] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:36.758,392] <inf> broadcast_sink: Stream sync lost
[00:00:36.758,422] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:36.758,514] <inf> main: Sync lost
[00:00:36.758,911] <inf> main: PA sync lost, reason: 22
[00:00:36.759,735] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:36.759,735] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:36.759,735] <inf> main: Restarted scanning for broadcaster
[00:00:36.759,735] <inf> main: Sync lost
[00:00:36.759,765] <wrn> main: PA sync is NULL
[00:00:36.760,101] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:36.760,101] <err> bt_mgmt: Failed to delete PA sync
[00:00:36.760,101] <wrn> main: Failed to delete PA sync -13
[00:00:36.761,260] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:36.761,260] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:36.761,260] <inf> main: Restarted scanning for broadcaster
[00:00:37.304,046] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:38.504,058] <inf> broadcast_sink: Sync with stereo channel
[00:00:38.504,089] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:38.504,241] <err> audio_system: GDM Decoder sample rate 48000
[00:00:38.504,241] <inf> main: Presentation delay 3000 us is set
[00:00:39.158,325] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:39.158,325] <inf> broadcast_sink: Stream sync lost
[00:00:39.158,386] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:39.158,386] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:39.158,416] <inf> broadcast_sink: Stream sync lost
[00:00:39.158,447] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:39.158,538] <inf> main: Sync lost
[00:00:39.158,935] <inf> main: PA sync lost, reason: 22
[00:00:39.159,729] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:39.159,729] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:39.159,759] <inf> main: Restarted scanning for broadcaster
[00:00:39.159,759] <inf> main: Sync lost
[00:00:39.159,759] <wrn> main: PA sync is NULL
[00:00:39.160,095] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:39.160,125] <err> bt_mgmt: Failed to delete PA sync
[00:00:39.160,125] <wrn> main: Failed to delete PA sync -13
[00:00:39.161,285] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:39.161,285] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:39.161,285] <inf> main: Restarted scanning for broadcaster
[00:00:40.304,077] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:41.504,089] <inf> broadcast_sink: Sync with stereo channel
[00:00:41.504,089] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:41.504,241] <err> audio_system: GDM Decoder sample rate 48000
[00:00:41.504,272] <inf> main: Presentation delay 3000 us is set
[00:00:42.158,325] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:42.158,355] <inf> broadcast_sink: Stream sync lost
[00:00:42.158,386] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:42.158,386] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:42.158,416] <inf> broadcast_sink: Stream sync lost
[00:00:42.158,447] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:42.158,538] <inf> main: Sync lost
[00:00:42.158,935] <inf> main: PA sync lost, reason: 22
[00:00:42.159,759] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:42.159,759] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:42.159,759] <inf> main: Restarted scanning for broadcaster
[00:00:42.159,790] <inf> main: Sync lost
[00:00:42.159,790] <wrn> main: PA sync is NULL
[00:00:42.160,125] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:42.160,125] <err> bt_mgmt: Failed to delete PA sync
[00:00:42.160,125] <wrn> main: Failed to delete PA sync -13
[00:00:42.161,285] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:42.161,285] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:42.161,285] <inf> main: Restarted scanning for broadcaster
[00:00:42.704,071] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:44.504,089] <inf> broadcast_sink: Sync with stereo channel
[00:00:44.504,119] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:44.504,272] <err> audio_system: GDM Decoder sample rate 48000
[00:00:44.504,272] <inf> main: Presentation delay 3000 us is set
[00:00:46.958,374] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:46.958,374] <inf> broadcast_sink: Stream sync lost
[00:00:46.958,404] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:46.958,435] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:46.958,465] <inf> broadcast_sink: Stream sync lost
[00:00:46.958,496] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:46.958,557] <inf> main: Sync lost
[00:00:46.958,984] <inf> main: PA sync lost, reason: 22
[00:00:46.959,808] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:46.959,808] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:46.959,808] <inf> main: Restarted scanning for broadcaster
[00:00:46.959,838] <inf> main: Sync lost
[00:00:46.959,838] <wrn> main: PA sync is NULL
[00:00:46.960,174] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:46.960,174] <err> bt_mgmt: Failed to delete PA sync
[00:00:46.960,205] <wrn> main: Failed to delete PA sync -13
[00:00:46.961,364] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:46.961,364] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:46.961,364] <inf> main: Restarted scanning for broadcaster
[00:00:47.704,101] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:48.904,113] <inf> broadcast_sink: Sync with stereo channel
[00:00:48.904,144] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:48.904,296] <err> audio_system: GDM Decoder sample rate 48000
[00:00:48.904,296] <inf> main: Presentation delay 3000 us is set
[00:00:49.558,380] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:49.558,380] <inf> broadcast_sink: Stream sync lost
[00:00:49.558,441] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:49.558,441] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:49.558,471] <inf> broadcast_sink: Stream sync lost
[00:00:49.558,502] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:49.558,593] <inf> main: Sync lost
[00:00:49.558,990] <inf> main: PA sync lost, reason: 22
[00:00:49.559,783] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:49.559,814] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:49.559,814] <inf> main: Restarted scanning for broadcaster
[00:00:49.559,814] <inf> main: Sync lost
[00:00:49.559,814] <wrn> main: PA sync is NULL
[00:00:49.560,150] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:49.560,180] <err> bt_mgmt: Failed to delete PA sync
[00:00:49.560,180] <wrn> main: Failed to delete PA sync -13
[00:00:49.561,340] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:49.561,340] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:49.561,340] <inf> main: Restarted scanning for broadcaster
[00:00:50.504,119] <inf> bt_mgmt_scan: PA synced to name: NRF5340_BROADCASTER, id: 0x06d1bf, addr: 2C
:87:9B:72:0B:28 (random)
[00:00:52.904,144] <inf> broadcast_sink: Sync with stereo channel
[00:00:52.904,144] <inf> broadcast_sink: Syncing to broadcast stream index 0
[00:00:52.904,327] <err> audio_system: GDM Decoder sample rate 48000
[00:00:52.904,327] <inf> main: Presentation delay 3000 us is set
[00:00:54.158,416] <wrn> bt_conn: conn 0x20003660 failed to establish. RF noise?
[00:00:54.158,416] <inf> broadcast_sink: Stream sync lost
[00:00:54.158,447] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:54.158,477] <wrn> bt_conn: conn 0x20003730 failed to establish. RF noise?
[00:00:54.158,508] <inf> broadcast_sink: Stream sync lost
[00:00:54.158,538] <inf> broadcast_sink: Stream index 0 stopped. Reason: 62
[00:00:54.158,599] <inf> main: Sync lost
[00:00:54.159,027] <inf> main: PA sync lost, reason: 22
[00:00:54.159,851] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:54.159,851] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:54.159,851] <inf> main: Restarted scanning for broadcaster
[00:00:54.159,881] <inf> main: Sync lost
[00:00:54.159,881] <wrn> main: PA sync is NULL
[00:00:54.160,217] <wrn> bt_hci_core: opcode 0x2045 status 0x0c
[00:00:54.160,217] <err> bt_mgmt: Failed to delete PA sync
[00:00:54.160,217] <wrn> main: Failed to delete PA sync -13
[00:00:54.161,376] <inf> bt_mgmt_scan: Local addr: F3:1F:3E:44:97:B6 (random). May time out. Updates
not printed
[00:00:54.161,407] <inf> bt_mgmt_scan: Scanning successfully started
[00:00:54.161,407] <inf> main: Restarted scanning for broadcaster

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