nrfjprog --family nRF52 --eraseall error

RE: nrfjprog --family nRF52 --eraseall error

tfoobarq — Thu, 15 Jul 2021 11:49:02 GMT

Solved.

RE: nrfjprog --family nRF52 --eraseall error

tfoobarq — Thu, 15 Jul 2021 08:51:39 GMT

The output changes everytime I run the commands, really weird

> nrfjprog -f NRF52 --recover --log
Recovering device. This operation might take 30s.
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
Erasing user code and UICR flash areas.
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.

> nrfjprog -f NRF52 --recover --log
Recovering device. This operation might take 30s.
Erasing user code and UICR flash areas.

> nrfjprog -f NRF52 --recover --log
Recovering device. This operation might take 30s.
ERROR: [SeggerBackend] - JLinkARM.dll WriteU32 returned error -1.
Erasing user code and UICR flash areas.

> nrfjprog -f NRF52 --recover --log
Recovering device. This operation might take 30s.
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [  JLink] - Could not find core in Coresight setup
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
ERROR: [SeggerBackend] - JLinkARM.dll WriteU32 returned error -1.
ERROR: [SeggerBackend] - JLinkARM.dll WriteU32 returned error -1.
Erasing user code and UICR flash areas.

> nrfjprog -f NRF52 --recover --log
Recovering device. This operation might take 30s.
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [  JLink] - Could not find core in Coresight setup
ERROR: [SeggerBackend] - JLinkARM.dll reported error -1 at line 4400.
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
ERROR: [  JLink] - DAP error while reading AIRCR.
ERROR: [SeggerBackend] - JLinkARM.dll reported error -1 at line 4508.
Erasing user code and UICR flash areas.
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.

RE: nrfjprog --family nRF52 --eraseall error

tfoobarq — Thu, 15 Jul 2021 07:26:07 GMT

After I update the nRF command line tools to the newest version, the output are changing but still not working:

> nrfjprog -f NRF52 --recover --log
Recovering device. This operation might take 30s.
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-261", "Could not find supported CPU.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-261", "Could not find supported CPU.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-261", "Could not find supported CPU.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-261", "Could not find supported CPU.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-261", "Could not find supported CPU.".
ERROR: [  nRF52] - Failed to write UICR after recovering.
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: Recover failed. Please make sure that the correct device family is given
ERROR: and try again.

> nrfjprog -f NRF52 -e --log
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-1", "An unknown error.".
ERROR: [SeggerBackend] - JLinkARM.dll reported "-261", "Could not find supported CPU.".
ERROR: [  JLink] - Could not find core in Coresight setup
ERROR: [SeggerBackend] - JLinkARM.dll reported error -1 at line 4400.
ERROR: [SeggerBackend] - JLinkARM.dll reported "-261", "Could not find supported CPU.".
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
ERROR: [SeggerBackend] - JLinkARM.dll ReadMemU32 detected a read error 1.
ERROR: [SeggerBackend] - This typically indicates the read was blocked by a memory protection mechanism.
ERROR: nrfjprog failed for an unknown reason. Run the same command again with
ERROR: argument --log, contact Nordic Semiconductor and provide the generated
ERROR: log.log file to them.

RE: nrfjprog --family nRF52 --eraseall error

tfoobarq — Thu, 15 Jul 2021 07:14:21 GMT

And my nRF Command Line Tools Version

> nrfjprog -v
nrfjprog version: 10.10.0
JLinkARM.dll version: 6.88a

RE: nrfjprog --family nRF52 --eraseall error

tfoobarq — Thu, 15 Jul 2021 07:10:26 GMT

> nrfjprog -f NRF52 -e --log
ERROR: JLinkARM DLL reported an error. Try again. If error condition
ERROR: persists, run the same command again with argument --log, contact Nordic
ERROR: Semiconductor and provide the generated log.log file to them.

> cat .\log.log
[2021-Jul-15 15:09:43] [ info] --------------------------------------------------------------------------------
[2021-Jul-15 15:09:43] [ info] C:\Program Files (x86)\Nordic Semiconductor\nrf-command-line-tools\bin\nrfjprog.exe -f NRF52 -e --log
[2021-Jul-15 15:09:43] [ info] nrfjprog version 10.10.0
[2021-Jul-15 15:09:43] [ info] --------------------------------------------------------------------------------
[2021-Jul-15 15:09:43] [debug] [ nRF0x0] - open_dll
[2021-Jul-15 15:09:43] [debug] [ nRF0x0] - Load library at C:\Program Files (x86)\Nordic Semiconductor\nrf-command-line-tools\bin\JLINKARM_NRF52_NRFJPROG.dll.
[2021-Jul-15 15:09:43] [debug] [ nRF0x0] - Library loaded, loading member functions.
[2021-Jul-15 15:09:43] [debug] [ nRF0x0] - Member functions succesfully loaded.
[2021-Jul-15 15:09:43] [debug] [Backend] - Logger callback at 0xd91d80 registered in Segger backend logger.
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Logger callback at 0xd91d80 registered in JLink logger.
[2021-Jul-15 15:09:43] [debug] [nRF520x0] - open
[2021-Jul-15 15:09:43] [debug] [Backend] - open_dll
[2021-Jul-15 15:09:43] [debug] [Backend] - No J-Link DLL path was provided. Attempting to auto detect.
[2021-Jul-15 15:09:43] [debug] [Backend] - Load library at C:\Program Files (x86)\SEGGER\JLink\JLinkARM.dll.
[2021-Jul-15 15:09:43] [debug] [Backend] - Library loaded, loading member functions.
[2021-Jul-15 15:09:43] [debug] [Backend] - Member functions succesfully loaded.
[2021-Jul-15 15:09:43] [debug] [Backend] - dll_version
[2021-Jul-15 15:09:43] [debug] [Backend] - Segger dll version 6.88.a loaded.
[2021-Jul-15 15:09:43] [debug] [ nRF0x0] - enum_emu_snr
[2021-Jul-15 15:09:43] [debug] [nRF520x0] - enum_emu_snr
[2021-Jul-15 15:09:43] [debug] [Backend] - is_connected_to_emu
[2021-Jul-15 15:09:43] [debug] [Backend] - enum_emu_snr
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_enum_emu_snr
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_get_num_emus
[2021-Jul-15 15:09:43] [debug] [Backend] - is_connected_to_emu
[2021-Jul-15 15:09:43] [debug] [ nRF0x0] - connect_to_emu_with_snr
[2021-Jul-15 15:09:43] [debug] [nRF520x0] - connect_to_emu_with_snr
[2021-Jul-15 15:09:43] [debug] [Backend] - is_connected_to_emu
[2021-Jul-15 15:09:43] [debug] [Backend] - connect_to_emu_with_snr
[2021-Jul-15 15:09:43] [debug] [Backend] - is_connected_to_emu
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_enum_emu_snr
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_get_num_emus
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_connect_to_emu_with_snr
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_connect_to_emu_without_snr
[2021-Jul-15 15:09:43] [debug] [Backend] - Segger logging enabled.
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Firmware: J-Link V9 compiled May  7 2021 16:26:12
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Decompressing FW timestamp took 121 us
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Hardware: V9.40
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] S/N: 59412569
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] OEM: SEGGER
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Feature(s): RDI, GDB, FlashDL, FlashBP, JFlash
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] TELNET listener socket opened on port 19021
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] WEBSRV Starting webserver
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] WEBSRV Webserver running on local port 19080
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 11.683ms returns "O.K."
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_Lock()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_GetHWStatus(...)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.254ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_ExecCommand("SetRestartOnClose = 0", ...).
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.010ms returns 0x01
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_ExecCommand("DisableFlashDL", ...).
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.005ms returns 0x00
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_ExecCommand("ExcludeFlashCacheRange 0x0-0xFFFFFFFF", ...).
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.004ms returns 0x00
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_SetHookUnsecureDialog
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_SetHookUnsecureDialog(...)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.021ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_TIF_Select(JLINKARM_TIF_SWD)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.503ms returns 0x00
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_SetSpeed(2000)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.087ms
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_GetSN()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.009ms returns 59412569
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_load_core_data
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_ExecCommand("CORESIGHT_SetIndexAHBAPToUse = 0", ...).
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.007ms returns 0x00
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_ExecCommand("device = nRF52", ...).
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] XML file found at: C:\Program Files (x86)\SEGGER\JLink\JLinkDevices.xml
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] C:\Program Files (x86)\SEGGER\JLink\JLinkDevices.xml evaluated successfully.
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Device "NRF52" selected.
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 40.101ms returns 0x00
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [Backend] - read_debug_port_idr
[2021-Jul-15 15:09:43] [debug] [Backend] - read_debug_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_read_debug_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - coresight_configure
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_Configure()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.634ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_ReadAPDPReg(DP reg 0x00)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Value=0x2BA01477
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.311ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.173ms
[2021-Jul-15 15:09:43] [debug] [ nRF0x0] - read_device_version
[2021-Jul-15 15:09:43] [debug] [nRF520x0] - read_device_info
[2021-Jul-15 15:09:43] [debug] [Backend] - is_connected_to_emu
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_IsOpen()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.011ms returns 0x01
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_Lock()
[2021-Jul-15 15:09:43] [debug] [nRF520x0] - Just_read_device_version
[2021-Jul-15 15:09:43] [debug] [nRF520x0] - Just_readback_status
[2021-Jul-15 15:09:43] [debug] [nRF520x0] - Just_is_ctrl_ap_available
[2021-Jul-15 15:09:43] [debug] [Backend] - read_access_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_read_access_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_is_debug_region_powered
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_read_debug_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_write_debug_port_register
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.182ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_ReadAPDPReg(DP reg 0x01)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Value=0xF0000000
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.214ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_write_debug_port_register
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x010000F0)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.221ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_ReadAPDPReg(AP reg 0x03)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Value=0x02880000
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.247ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [Backend] - read_access_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_read_access_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_write_debug_port_register
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x010000F0)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.204ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_ReadAPDPReg(AP reg 0x03)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Value=0x02880000
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.293ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [Backend] - read_access_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_read_access_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_write_debug_port_register
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x010000F0)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.208ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_ReadAPDPReg(AP reg 0x03)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] failed
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.355ms returns -1
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [Backend] - JLinkARM.dll reported "-1", an unknown error.
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_abort_debug_action
[2021-Jul-15 15:09:43] [debug] [Backend] - Attempting to clear any configuration errors in debug port before closing connection.
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.338ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.011ms
[2021-Jul-15 15:09:43] [debug] [ nRF0x0] - close_dll
[2021-Jul-15 15:09:43] [debug] [nRF520x0] - close
[2021-Jul-15 15:09:43] [debug] [Backend] - is_connected_to_emu
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_IsOpen()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.009ms returns 0x01
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_Lock()
[2021-Jul-15 15:09:43] [debug] [Backend] - close
[2021-Jul-15 15:09:43] [debug] [Backend] - disconnect_from_emu
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_disconnect_from_emu
[2021-Jul-15 15:09:43] [debug] [Backend] - is_connected_to_device
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_IsConnected()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.010ms returns FALSE
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_is_debug_region_powered
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_read_debug_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_write_debug_port_register
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.316ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_ReadAPDPReg(DP reg 0x01)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] Value=0xF0000000
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.339ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [Backend] - unpower_debug_and_system_regions
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_write_debug_port_register
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_write_debug_port_register
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.332ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x01, 0x00000000)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.512ms returns -1
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [Backend] - JLinkARM.dll reported "-1", an unknown error.
[2021-Jul-15 15:09:43] [debug] [Backend] - ---just_abort_debug_action
[2021-Jul-15 15:09:43] [debug] [Backend] - Attempting to clear any configuration errors in debug port before closing connection.
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.371ms returns 0
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_HasError()
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] - 0.010ms
[2021-Jul-15 15:09:43] [debug] [  JLink] - [Debug   ] [JLink     ] JLINK_Close()
[2021-Jul-15 15:09:43] [debug] [Backend] - Segger Backend closed.
[2021-Jul-15 15:09:43] [debug] [nRF520x0] - nRF family DLL closed

RE: nrfjprog --family nRF52 --eraseall error

Øivind — Thu, 15 Jul 2021 07:02:50 GMT

Hi,

Do you encounter the same error when you do not set the family option?

nrfjprog -e

Also try upgrading to the latest nRF Command Line Tools