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  • Case ID: 320015
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Error : Failed to power up DAP

Banu179917

I got failed to power up DAP error. My target device is NRF52805.

I've attached the log file generated by JLinkGDBserver.exe.

Target voltage is 1.8V

Fullscreen log.log.txt Download 
SEGGER J-Link GDB Server V7.88j LogFile
Logging started @ 2024-01-03 10:28
03-00000000-00-00000000-001F: SEGGER J-Link GDB Server V7.88j
03-00000000-00-00000000-000E:  GUI Version


03-00000000-00-00000000-0039: JLinkARM.dll V7.88j (DLL compiled Jun 28 2023 13:39:15)


03-00000000-00-00000000-01B7: -----GDB Server start settings-----
GDBInit file:                  none
GDB Server Listening port:     2331
SWO raw output listening port: 2332
Terminal I/O port:             2333
Accept remote connection:      localhost only
Generate logfile:              on
Verify download:               off
Init regs on start:            off
Silent mode:                   off
Single run mode:               off
Target connection timeout:     5000 ms

03-00000000-00-00000000-016C: ------J-Link related settings------
J-Link Host interface:         USB
J-Link script:                 none
J-Link settings file:          none
------Target related settings------
Target device:                 NRF52
Target device parameters:      none
Target interface:              SWD
Target interface speed:        4000kHz
Target endian:                 little

03-00000000-00-00000000-0001: 

03-00000000-00-00000000-0018: Connecting to J-Link...

02-00000000-00-00000258-0046: T4940 152:280.624   Firmware: J-Link V11 compiled Dec  4 2023 10:22:45
02-00000000-00-00000258-0046: T4940 152:280.992   Firmware: J-Link V11 compiled Dec  4 2023 10:22:45
02-00000000-00-00000261-0024: T4940 152:284.032   Hardware: V11.00
02-00000000-00-00000261-0022: T4940 152:284.064   S/N: 601005100
02-00000000-00-00000261-001F: T4940 152:284.064   OEM: SEGGER
02-00000000-00-00000261-0042: T4940 152:284.080   Feature(s): RDI, FlashBP, FlashDL, JFlash, GDB
02-00000000-00-00000262-002B: T4940 152:285.120   Bootloader: 2019 Jul 04
02-00000000-00-00000263-003B: T4940 152:285.616   USB speed mode: High speed (480 MBit/s)
02-00000000-00-00000263-003F: T4940 152:286.048   TELNET listener socket opened on port 19021
02-00000000-00-00000263-0046: T4940 152:286.160   WEBSRV WEBSRV_Init(): Starting webserver thread(s)
02-00000000-00-00000264-0050: T4940 152:286.448   WEBSRV Failed to put socket into listener state (port 19080)
02-00000000-00-00000264-0050: T4940 152:286.640   WEBSRV Failed to put socket into listener state (port 19081)
02-00000000-00-00000264-0040: T4940 152:286.848   WEBSRV Webserver running on local port 19082
02-00000000-00-00000264-006A: T4940 152:287.104   Looking for J-Link GUI Server exe at: C:\Program Files\SEGGER\JLink\JLinkGUIServer.exe
02-00000000-00-00000264-005F: T4940 152:287.168   Forking J-Link GUI Server: C:\Program Files\SEGGER\JLink\JLinkGUIServer.exe
02-00000000-00-00000275-0047: T4940 152:297.712   J-Link GUI Server info: "J-Link GUI server V7.88j "
02-00000000-00-00000275-002C: T4940 152:297.920 - 275.126ms returns "O.K."
03-00000000-00-00000275-0015: J-Link is connected.

02-00000000-00-00000275-003C: T4940 152:298.256 JLINK_DEVICE_GetIndex(sDeviceName = NRF52)
02-00000000-00-00000276-0029: T4940 152:298.368 - 0.114ms returns 10249
02-00000000-00-00000276-003B: T4940 152:298.384 JLINK_DEVICE_GetInfo(DeviceIndex = 10249)
02-00000000-00-00000276-0025: T4940 152:298.400 - 0.007ms returns 0
02-00000000-00-00000276-0072: T4940 152:298.400 JLINK_DEVICE_GetLoaderName(DeviceIndex = 10249, FlashBankBaseAddr = 0x00000000, LoaderIndex = 0)
02-00000000-00-00000276-002D: T4940 152:298.400 - 0.007ms returns 'Default'
02-00000000-00-00000276-005D: T4940 152:298.416 JLINK_ExecCommand("DEVICE_SelectLoader BankAddr=0x0 Loader=Default", ...). 
02-00000000-00-00000276-0056: T4940 152:298.432   Flash bank @ 0x00000000: Stored loader selection. Loader = Default
02-00000000-00-00000276-0028: T4940 152:298.432 - 0.010ms returns 0x00
03-00000000-00-00000276-0049: Selected loader 'Default' for flash bank no. 0 ('Internal flash' @ 0x0).

02-00000000-00-00000276-003C: T4940 152:298.496 JLINK_ExecCommand("device = NRF52", ...). 
02-00000000-00-00000276-002C: T4940 152:298.832   Device "NRF52" selected.
02-00000000-00-00000281-0028: T4940 152:303.312 - 4.783ms returns 0x00
02-00000000-00-00000281-002E: T4940 152:303.376 JLINK_GetFirmwareString(...)
02-00000000-00-00000281-001B: T4940 152:303.376 - 0.009ms
03-00000000-00-00000281-0033: Firmware: J-Link V11 compiled Dec  4 2023 10:22:45

02-00000000-00-00000281-002C: T4940 152:303.408 JLINK_GetHardwareVersion()
02-00000000-00-00000281-002A: T4940 152:303.408 - 0.006ms returns 110000
03-00000000-00-00000281-0011: Hardware: V11.00

02-00000000-00-00000281-001F: T4940 152:303.440 JLINK_GetSN()
02-00000000-00-00000281-002D: T4940 152:303.440 - 0.009ms returns 601005100
02-00000000-00-00000281-0029: T4940 152:303.456 JLINK_GetOEMString(...)
03-00000000-00-00000281-000F: S/N: 601005100

03-00000000-00-00000281-002F: Feature(s): RDI, FlashBP, FlashDL, JFlash, GDB

02-00000000-00-00000281-0028: T4940 152:303.504 JLINK_GetHWStatus(...)
02-00000000-00-00000281-0025: T4940 152:303.680 - 0.178ms returns 0
02-00000000-00-00000281-0029: T4940 152:303.696 JLINK_EnableSoftBPs(ON)
02-00000000-00-00000281-001B: T4940 152:303.712 - 0.007ms
03-00000000-00-00000281-001B: Checking target voltage...

03-00000000-00-00000281-0017: Target voltage: 1.81 V

03-00000000-00-00000282-001E: Listening on TCP/IP port 2331

03-00000000-00-00000282-0018: Connecting to target...

02-00000000-00-00000282-0022: T4940 152:304.672 JLINK_ClrError()
02-00000000-00-00000282-001B: T4940 152:304.704 - 0.025ms
02-00000000-00-00000282-0028: T4940 152:304.720 JLINK_GetHWStatus(...)
02-00000000-00-00000282-0025: T4940 152:304.912 - 0.195ms returns 0
02-00000000-00-00000282-0022: T4940 152:304.928 JLINK_HasError()
02-00000000-00-00000282-0034: T4940 152:304.944 JLINK_TIF_Select(JLINKARM_TIF_SWD)
02-00000000-00-00000283-0028: T4940 152:305.744 - 0.788ms returns 0x00
02-00000000-00-00000283-0026: T4940 152:305.760 JLINK_SetSpeed(4000)
02-00000000-00-00000283-001B: T4940 152:305.952 - 0.191ms
02-00000000-00-00000283-0022: T4940 152:305.952 JLINK_GetSpeed()
02-00000000-00-00000283-0028: T4940 152:305.968 - 0.005ms returns 4000
02-00000000-00-00000283-0040: T4940 152:305.968 JLINK_SetResetType(JLINKARM_RESET_TYPE_NORMAL)
02-00000000-00-00000283-003E: T4940 152:305.984 - 0.006ms returns JLINKARM_RESET_TYPE_NORMAL
02-00000000-00-00000283-0028: T4940 152:305.984 JLINK_SetResetDelay(0)
02-00000000-00-00000283-001B: T4940 152:306.000 - 0.005ms
02-00000000-00-00000283-0034: T4940 152:306.000 JLINK_SetEndian(ARM_ENDIAN_LITTLE)
02-00000000-00-00000283-0025: T4940 152:306.016 - 0.005ms returns 0
02-00000000-00-00000283-0022: T4940 152:306.016 JLINK_HasError()
02-00000000-00-00000283-0021: T4940 152:306.016 JLINK_Connect()
02-00000000-00-00000283-0026: T4940 152:306.176   InitTarget() start
02-00000000-00-00000283-003F: T4940 152:306.192    J-Link Script File: Executing InitTarget()
02-00000000-00-00000285-0032: T4940 152:307.792   InitTarget() end - Took 1.59ms
02-00000000-00-00000286-0032: T4940 152:308.320   Found SW-DP with ID 0x2BA01477
02-00000000-00-00000487-002A: T4940 152:509.360   Failed to power up DAP
02-00000000-00-00000558-0026: T4940 152:580.576   InitTarget() start
02-00000000-00-00000558-003F: T4940 152:580.624    J-Link Script File: Executing InitTarget()
02-00000000-00-00000560-0032: T4940 152:582.160   InitTarget() end - Took 1.53ms
02-00000000-00-00000560-0032: T4940 152:582.720   Found SW-DP with ID 0x2BA01477
02-00000000-00-00000762-002A: T4940 152:783.744   Failed to power up DAP
02-00000000-00-00000762-0030: T4940 152:783.808 - 477.792ms returns 0xFFFFFEFB
02-00000000-00-00000762-0022: T4940 152:783.856 JLINK_HasError()
03-00000000-00-00000762-0024: ERROR: Could not connect to target.

03-00000000-00-00000764-0035: Target connection failed. GDBServer will be closed...
02-00000000-00-00002407-0028: T1F40 154:428.960 JLINK_GetHWStatus(...)
02-00000000-00-00002407-0025: T1F40 154:429.264 - 0.315ms returns 0
03-00000000-00-00002777-0038: Restoring target state and closing J-Link connection...

02-00000000-00-00002777-0020: T4940 154:799.200 JLINK_IsOpen()
02-00000000-00-00002777-0028: T4940 154:799.216 - 0.010ms returns 0x01
02-00000000-00-00002777-001F: T4940 154:799.360 JLINK_Close()
03-00000000-00-00002777-0011: Shutting down...

How to resolve this issue.

Parents
  • 0

    Hello,

    Could you please post a picture of your HW setup? Also, try to select the correct device variant in your J-link GDB server configuration. It should be 'nrf52805_xxaa', not just 'nrf52'.

    Best regards,

    Vidar

    Edit: do you only have this problem when setting up the GDB server, or do you experience similar problems when trying to flash the chip with nrfjprog, etc.?

Reply
  • 0

    Hello,

    Could you please post a picture of your HW setup? Also, try to select the correct device variant in your J-link GDB server configuration. It should be 'nrf52805_xxaa', not just 'nrf52'.

    Best regards,

    Vidar

    Edit: do you only have this problem when setting up the GDB server, or do you experience similar problems when trying to flash the chip with nrfjprog, etc.?

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