Hello,
I get "data_len_update failed (err -5)" error message in lesson 3 exercise 2 of Bluetooth course. I have posted the output log below. Any idea why this is happening?
Thank you,
Sam
*** Booting nRF Connect SDK v2.9.1-60d0d6c8d42d ***
*** Using Zephyr OS v3.7.99-ca954a6216c9 ***
[00:00:00.401,092] <inf> Lesson3_Exercise2: Starting Lesson 3 - Exercise 2
[00:00:00.425,598] <inf> bt_hci_core: HW Platform: Nordic Semiconductor (0x0002)
[00:00:00.425,659] <inf> bt_hci_core: HW Variant: nRF53x (0x0003)
[00:00:00.425,659] <inf> bt_hci_core: Firmware: Standard Bluetooth controller (0x00) Version 121.4259 Build 3078678206
[00:00:00.427,917] <inf> bt_hci_core: Identity: F3:A1:CC:E6:A6:0A (random)
[00:00:00.427,947] <inf> bt_hci_core: HCI: version 6.0 (0x0e) revision 0x209a, manufacturer 0x0059
[00:00:00.427,978] <inf> bt_hci_core: LMP: version 6.0 (0x0e) subver 0x209a
[00:00:00.427,978] <inf> Lesson3_Exercise2: Bluetooth initialized
[00:00:00.430,328] <inf> Lesson3_Exercise2: Advertising successfully started
[00:00:12.744,873] <inf> Lesson3_Exercise2: Connected
[00:00:12.744,903] <inf> Lesson3_Exercise2: Connection parameters: interval 45.00 ms, latency 0 intervals, timeout 5000 ms
[00:00:14.746,002] <wrn> bt_hci_core: opcode 0x2022 status 0x01
[00:00:14.746,032] <err> Lesson3_Exercise2: data_len_update failed (err -5)
[00:00:14.746,124] <inf> Lesson3_Exercise2: PHY updated. New PHY: 2M
[00:00:14.746,429] <inf> Lesson3_Exercise2: Connection parameters updated: interval 7.50 ms, latency 0 intervals, timeout 5000 ms
[00:00:14.758,666] <inf> Lesson3_Exercise2: MTU exchange successful
[00:00:14.758,666] <inf> Lesson3_Exercise2: New MTU: 244 bytes
[00:00:15.013,183] <inf> Lesson3_Exercise2: Connection parameters updated: interval 45.00 ms, latency 0 intervals, timeout 5000 ms
[00:00:18.335,693] <inf> Lesson3_Exercise2: Connection parameters updated: interval 1000.00 ms, latency 0 intervals, timeout 4000 ms