Test Case Output

[1/1] Flashing test-mbed-drivers-dev-null with J-Link...
SEGGER J-Link Commander V8.64a (Compiled Sep  2 2025 11:08:45)
DLL version V8.64a, compiled Sep  2 2025 11:07:42


J-Link Command File read successfully.
Processing script file...
J-Link>JTAGConf -1,-1
J-Link connection not established yet but required for command.
Connecting to J-Link via USB...O.K.
Firmware: J-Link OB-nRF5340-NordicSemi compiled Jul  8 2025 10:15:34
Hardware version: V1.00
J-Link uptime (since boot): 0d 10h 34m 37s
S/N: 1050278063
License(s): RDI, FlashBP, FlashDL, JFlash, GDB
USB speed mode: Full speed (12 MBit/s)
VTref=3.300V
J-Link>ExitOnError 1
J-Link Commander will now exit on Error
J-Link>connect
Device "NRF52840_XXAA" selected.


Connecting to target via SWD
InitTarget() start
InitTarget() end - Took 1.71ms
Found SW-DP with ID 0x2BA01477
DPIDR: 0x2BA01477
CoreSight SoC-400 or earlier
Scanning AP map to find all available APs
AP[2]: Stopped AP scan as end of AP map has been reached
AP[0]: AHB-AP (IDR: 0x24770011, ADDR: 0x00000000)
AP[1]: JTAG-AP (IDR: 0x02880000, ADDR: 0x01000000)
Iterating through AP map to find AHB-AP to use
AP[0]: Core found
AP[0]: AHB-AP ROM base: 0xE00FF000
CPUID register: 0x410FC241. Implementer code: 0x41 (ARM)
Found Cortex-M4 r0p1, Little endian.
FPUnit: 6 code (BP) slots and 2 literal slots
CoreSight components:
ROMTbl[0] @ E00FF000
[0][0]: E000E000 CID B105E00D PID 000BB00C SCS-M7
[0][1]: E0001000 CID B105E00D PID 003BB002 DWT
[0][2]: E0002000 CID B105E00D PID 002BB003 FPB
[0][3]: E0000000 CID B105E00D PID 003BB001 ITM
[0][4]: E0040000 CID B105900D PID 000BB9A1 TPIU
[0][5]: E0041000 CID B105900D PID 000BB925 ETM
Memory zones:
  Zone: "Default" Description: Default access mode
Cortex-M4 identified.
J-Link>loadfile /home/jamie/Mbed/mbed-os/test-executor-build/NRF52840_DK/drivers/tests/TESTS/mbed_drivers/dev_null/test-mbed-drivers-dev-null.bin 0x0
'loadfile': Performing implicit reset & halt of MCU.
Reset type: NORMAL (https://wiki.segger.com/J-Link_Reset_Strategies)
Reset: Halt core after reset via DEMCR.VC_CORERESET.
Reset: Reset device via AIRCR.SYSRESETREQ.
Downloading file [/home/jamie/Mbed/mbed-os/test-executor-build/NRF52840_DK/drivers/tests/TESTS/mbed_drivers/dev_null/test-mbed-drivers-dev-null.bin]...
Comparing flash   [000%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]000%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]050%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]050%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]080%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]080%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]100%] Done.
Erasing flash     [000%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]000%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]100%] Done.
Programming flash [000%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]000%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]005%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]005%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]015%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]015%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]025%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]025%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]030%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]030%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]040%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]040%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]050%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]050%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]055%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]055%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]065%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]065%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]075%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]075%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]080%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]080%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]090%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]090%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]100%] Done.
Verifying flash   [000%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]000%][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8][NON-XML-CHAR-0x8]100%] Done.
J-Link: Flash download: Bank 0 @ 0x00000000: 1 range affected (49152 bytes)
J-Link: Flash download: Total: 1.788s (Prepare: 0.096s, Compare: 0.050s, Erase: 0.993s, Program: 0.550s, Verify: 0.023s, Restore: 0.072s)
J-Link: Flash download: Program speed: 87 KB/s
O.K.
J-Link>r
Reset delay: 0 ms
Reset type: NORMAL (https://wiki.segger.com/J-Link_Reset_Strategies)
Reset: Halt core after reset via DEMCR.VC_CORERESET.
Reset: Reset device via AIRCR.SYSRESETREQ.
J-Link>go
Memory map 'after startup completion point' is active
J-Link>exit

Script processing completed.

Executing: /home/jamie/Mbed/mbed-os/venv/bin/mbedhtrun --skip-flashing -p /dev/ttyNRF52840_DK --skip-reset -e /home/jamie/Mbed/mbed-os/drivers/tests/TESTS/host_tests -m NRF52840_DK --baud-rate=115200
[+431ms][HTST][INF] host test executor ver. 0.0.16
[+431ms][HTST][INF] copy image onto target... SKIPPED!
[+433ms][HTST][INF] starting host test process...
[+436ms][CONN][INF] starting connection process...
[+436ms][CONN][INF] notify event queue about extra 60 sec timeout for serial port pooling
[+436ms][CONN][INF] initializing serial port listener... 
[+436ms][SERI][INF] using specified port '/dev/ttyNRF52840_DK'
[+436ms][SERI][INF] serial(port=/dev/ttyNRF52840_DK, baudrate=115200, read_timeout=0.01, write_timeout=5)
[+437ms][HTST][INF] setting timeout to: 60 sec
[+437ms][SERI][TXD] mbedmbedmbedmbedmbedmbedmbedmbedmbedmbed
[+437ms][CONN][INF] sending up to 2 __sync packets (specified with --sync=2)
[+437ms][CONN][INF] sending preamble '79938d53-9e35-4a34-af91-c8c9012c90da'
[+437ms][SERI][TXD] {{__sync;79938d53-9e35-4a34-af91-c8c9012c90da}}
[+458ms][CONN][RXD] mbedmbedmbedmbedmbedmbedmbedmbed
[+458ms][CONN][INF] found KV pair in stream: {{__sync;79938d53-9e35-4a34-af91-c8c9012c90da}}, queued...
[+458ms][CONN][INF] found KV pair in stream: {{__version;1.3.0}}, queued...
[+458ms][CONN][INF] found KV pair in stream: {{__timeout;2}}, queued...
[+458ms][CONN][INF] found SYNC in stream: {{__sync;79938d53-9e35-4a34-af91-c8c9012c90da}} it is #0 sent, queued...
[+458ms][HTST][INF] sync KV found, uuid=79938d53-9e35-4a34-af91-c8c9012c90da, timestamp=1756915376.390256
[+458ms][HTST][INF] DUT greentea-client version: 1.3.0
[+458ms][HTST][INF] setting timeout to: 2 sec
[+468ms][CONN][INF] found KV pair in stream: {{__host_test_name;dev_null_auto}}, queued...
[+468ms][CONN][RXD] MBED: before re-routing stdout to /null
[+468ms][CONN][INF] found KV pair in stream: {{to_stdout;re-routing stdout to /null}}, queued...
[+468ms][HTST][INF] host test class: ''
[+468ms][HTST][INF] host test setup() call...
[+468ms][HTST][INF] CALLBACKs updated
[+468ms][HTST][INF] host test detected: dev_null_auto
[+469ms][HTST][INF] _callback_to_stdout !
[+2470ms][HTST][INF] test suite run finished after 2.01 sec...
[+2480ms][CONN][INF] received special event '__host_test_finished' value='True', finishing
[+2516ms][HTST][INF] CONN exited with code: 0
[+2516ms][HTST][INF] No events in queue
[+2516ms][HTST][INF] stopped consuming events
[+2516ms][HTST][INF] host test result(): True
[+2516ms][HTST][WRN] missing __exit event from DUT
[+2516ms][HTST][WRN] missing __exit_event_queue event from host test
[+2516ms][HTST][INF] calling blocking teardown()
[+2516ms][HTST][INF] teardown() finished
[+2516ms][HTST][INF] {{result;success}}