Hi there i have serius problem in gettimng my nrf52840-dk to work, i am set up in Visualstudio code on a mac, avery thing compiles and seem to upload but nothing happens afterward, i am just trying ti blink the led .
As seen avery thing seems fine, so i am suddenly getting aín doubt abouth avery thing here.
Please really need help, to get it to work under vsc, have attached at video so configuration can be seen.
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> Executing task: platformio run --target upload <
Processing nrf52840_dk (platform: nordicnrf52; board: nrf52840_dk; framework: arduino)
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Verbose mode can be enabled via `-v, --verbose` option
CONFIGURATION: docs.platformio.org/.../nrf52840_dk.html
PLATFORM: Nordic nRF52 3.5.0 > Nordic nRF52840-DK
HARDWARE: NRF52840 64MHz, 256KB RAM, 1MB Flash
DEBUG: Current (cmsis-dap) On-board (cmsis-dap, jlink) External (blackmagic, stlink)
PACKAGES: tool-jlink 1.64607.0 (6.46.7), toolchain-gccarmnoneeabi 1.70201.0 (7.2.1), framework-arduinonordicnrf5 1.600.0 (6.0), tool-openocd 2.1000.190422 (10.0), tool-sreccat 1.164.0 (1.64)
LDF: Library Dependency Finder -> bit.ly/configure-pio-ldf
LDF Modes: Finder ~ chain, Compatibility ~ soft
Found 2 compatible libraries
Scanning dependencies...
No dependencies
Checking size .pio/build/nrf52840_dk/firmware.elf
Memory Usage -> http://bit.ly/pio-memory-usage
DATA: [ ] 0.1% (used 140 bytes from 262144 bytes)
PROGRAM: [ ] 0.3% (used 2640 bytes from 1048576 bytes)
Configuring upload protocol...
AVAILABLE: blackmagic, cmsis-dap, jlink, mbed, nrfjprog, stlink
CURRENT: upload_protocol = jlink
Uploading .pio/build/nrf52840_dk/firmware.hex
SEGGER J-Link Commander V6.46g (Compiled Jun 14 2019 19:36:04)
DLL version V6.46g, compiled Jun 14 2019 19:35:53
J-Link Command File read successfully.
Processing script file...
J-Link connection not established yet but required for command.
Connecting to J-Link via USB...FAILED: Cannot connect to J-Link via USB.
J-Link connection not established yet but required for command.
Connecting to J-Link via USB...FAILED: Cannot connect to J-Link via USB.
J-Link connection not established yet but required for command.
Connecting to J-Link via USB...FAILED: Cannot connect to J-Link via USB.
Script processing completed.
============================================================================= [SUCCESS] Took 1.26 seconds =============================================================================
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> Executing task: platformio run --target upload <
Processing nrf52840_dk (platform: nordicnrf52; board: nrf52840_dk; framework: arduino)
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Verbose mode can be enabled via `-v, --verbose` option
CONFIGURATION: docs.platformio.org/.../nrf52840_dk.html
PLATFORM: Nordic nRF52 3.5.0 > Nordic nRF52840-DK
HARDWARE: NRF52840 64MHz, 256KB RAM, 1MB Flash
DEBUG: Current (cmsis-dap) On-board (cmsis-dap, jlink) External (blackmagic, stlink)
PACKAGES: tool-jlink 1.64607.0 (6.46.7), toolchain-gccarmnoneeabi 1.70201.0 (7.2.1), framework-arduinonordicnrf5 1.600.0 (6.0), tool-openocd 2.1000.190422 (10.0), tool-sreccat 1.164.0 (1.64)
LDF: Library Dependency Finder -> bit.ly/configure-pio-ldf
LDF Modes: Finder ~ chain, Compatibility ~ soft
Found 2 compatible libraries
Scanning dependencies...
No dependencies
Checking size .pio/build/nrf52840_dk/firmware.elf
Memory Usage -> http://bit.ly/pio-memory-usage
DATA: [ ] 0.1% (used 140 bytes from 262144 bytes)
PROGRAM: [ ] 0.3% (used 2640 bytes from 1048576 bytes)
Configuring upload protocol...
AVAILABLE: blackmagic, cmsis-dap, jlink, mbed, nrfjprog, stlink
CURRENT: upload_protocol = jlink
Uploading .pio/build/nrf52840_dk/firmware.hex
SEGGER J-Link Commander V6.46g (Compiled Jun 14 2019 19:36:04)
DLL version V6.46g, compiled Jun 14 2019 19:35:53
J-Link Command File read successfully.
Processing script file...
J-Link connection not established yet but required for command.
Connecting to J-Link via USB...O.K.
Firmware: J-Link OB-SAM3U128-V2-NordicSemi compiled Jan 7 2019 14:07:15
Hardware version: V1.00
S/N: 683070858
VTref=3.300V
Target connection not established yet but required for command.
Device "NRF52840_XXAA" selected.
Connecting to target via SWD
Found SW-DP with ID 0x2BA01477
Found SW-DP with ID 0x2BA01477
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)
AP[1]: JTAG-AP (IDR: 0x02880000)
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
ROMTbl[0][0]: E000E000, CID: B105E00D, PID: 000BB00C SCS-M7
ROMTbl[0][1]: E0001000, CID: B105E00D, PID: 003BB002 DWT
ROMTbl[0][2]: E0002000, CID: B105E00D, PID: 002BB003 FPB
ROMTbl[0][3]: E0000000, CID: B105E00D, PID: 003BB001 ITM
ROMTbl[0][4]: E0040000, CID: B105900D, PID: 000BB9A1 TPIU
ROMTbl[0][5]: E0041000, CID: B105900D, PID: 000BB925 ETM
Cortex-M4 identified.
PC = 000114F6, CycleCnt = 000EFC3B
R0 = 01000001, R1 = 40020518, R2 = 00000014, R3 = 00000000
R4 = 20000093, R5 = E000E000, R6 = 00000000, R7 = 00000000
R8 = 00000000, R9 = 00000000, R10= 00000000, R11= 00000000
R12= 00000000
SP(R13)= 20004AE8, MSP= 20004AE8, PSP= 00000000, R14(LR) = 000114F5
XPSR = 21000000: APSR = nzCvq, EPSR = 01000000, IPSR = 000 (NoException)
CFBP = 00000000, CONTROL = 00, FAULTMASK = 00, BASEPRI = 00, PRIMASK = 00
FPS0 = 00000000, FPS1 = 00000000, FPS2 = 00000000, FPS3 = 00000000
FPS4 = 00000000, FPS5 = 00000000, FPS6 = 00000000, FPS7 = 00000000
FPS8 = 00000000, FPS9 = 00000000, FPS10= 00000000, FPS11= 00000000
FPS12= 00000000, FPS13= 00000000, FPS14= 00000000, FPS15= 00000000
FPS16= 00000000, FPS17= 00000000, FPS18= 00000000, FPS19= 00000000
FPS20= 00000000, FPS21= 00000000, FPS22= 00000000, FPS23= 00000000
FPS24= 00000000, FPS25= 00000000, FPS26= 00000000, FPS27= 00000000
FPS28= 00000000, FPS29= 00000000, FPS30= 00000000, FPS31= 00000000
FPSCR= 00000000
Downloading file [.pio/build/nrf52840_dk/firmware.hex]...
Comparing flash [100%] Done.
Erasing flash [100%] Done.
Programming flash [100%] Done.
Verifying flash [100%] Done.
J-Link: Flash download: Bank 0 @ 0x00000000: 1 range affected (4096 bytes)
J-Link: Flash download: Total time needed: 0.202s (Prepare: 0.041s, Compare: 0.004s, Erase: 0.084s, Program: 0.062s, Verify: 0.000s, Restore: 0.008s)
O.K.
Reset delay: 0 ms
Reset type NORMAL: Resets core & peripherals via SYSRESETREQ & VECTRESET bit.
Reset: Halt core after reset via DEMCR.VC_CORERESET.
Reset: Reset device via AIRCR.SYSRESETREQ.
Script processing completed.
============================================================================= [SUCCESS] Took 1.28 seconds =============================================================================
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