I get "ERROR: There is no debugger connected to the PC with the given serial number." when I run e.g. nrfjprog --eraseall on command line.
Programming/debugging using VisualGDB or nRFgo Studio works
nrfjprog version: 9.8.1
JLinkARM.dll version: 6.12a
Windows 10
How to erase/program nrf52832 using nrfjprog on command line?
It's very weird that it gives the extra "with the given serial number". For me:
nrfjprog --eraseall
ERROR: There is no debugger connected to the PC.
Also, try doing nrfjprog --ids, which will yield something like this:
nrfjprog --ids
50107526
Then, you can do e.g
nrfjprog --eraseall --snr 50107526
If I do (in my specific case) erase with the wrong serial number provided, I get:
nrfjprog --eraseall --snr 50101010
ERROR: There is no debugger connected to the PC with the given serial number.
Hence, it looks like you are providing the serial number in some way or another.
I'm not providing the serial number explicitly. When I provide serial number by --snr xxxxxxx I get the same "There is no debugger connected to the PC with the given serial number.".That is weird.
Doesn't make any sense to me, this. I have the same versions here and it's behaving differently. What does --ids yield?
Just a shot in the dark, but are you running cmd as administrator? Maybe that could affect something
"C:\Program Files (x86)\Nordic Semiconductor\nrf5x\bin\nrfjprog.exe" --ids
59103974
So the device is found correctly. That's the same function running internally, so it giving you this error makes no sense at all. I would have uninstalled everything jlink/nrfjprog related and reinstalled.
I had 32bit version of command line tools, so I installed 64 bit. I uninstalled J-Link 6.44g. Still the same:
"C:\Program Files\Nordic Semiconductor\nrf5x\bin\nrfjprog.exe" -v
nrfjprog version: 9.8.1
JLinkARM.dll version: 6.40
"C:\Program Files\Nordic Semiconductor\nrf5x\bin\nrfjprog.exe" --eraseall
ERROR: There is no debugger connected to the PC with the given serial number.
Is there any older version of nrf52 compatible nrfjprog available? I hope it could work as several months ago I was able to use some older version to program nrf51.
I had 32bit version of command line tools, so I installed 64 bit. I uninstalled J-Link 6.44g. Still the same:
"C:\Program Files\Nordic Semiconductor\nrf5x\bin\nrfjprog.exe" -v
nrfjprog version: 9.8.1
JLinkARM.dll version: 6.40
"C:\Program Files\Nordic Semiconductor\nrf5x\bin\nrfjprog.exe" --eraseall
ERROR: There is no debugger connected to the PC with the given serial number.
Is there any older version of nrf52 compatible nrfjprog available? I hope it could work as several months ago I was able to use some older version to program nrf51.
I don't have any overview of that, but that shouldn't be necessary at all. You have done something else here. Maybe raise this as a support ticket
I have to run:
"C:\Program Files\Nordic Semiconductor\nrf5x\bin\nrfjprog.exe" -f nrf52 --eraseall
Erasing user available code and UICR flash areas.
Applying system reset.
Then it works.
So your .ini file is not set to family UNKNOWN, but to nrf51?
Both nrfjprog.ini (Program Files and Program Files (x86)) are in its default state, I didn't modify anything.
; nrfjprog.exe configuration file.
[DEFAULT_CONFIGURATION]
; Define the desired family of devices to use by default by nrfjprog.exe when -f or --family arguments are not used. The only valid options are NRF51, NRF52 or UNKNOWN.
; If set to UNKNOWN an automatic family detection will be performed. The autodetect family operation will take time, so it is advised to use correct family if known.
Family = UNKNOWN
; Define the desired clockspeed in kHz you want nrfjprog.exe use by default when -c or --clockspeed arguments are not used. The range of valid values go from 125 kHz to 50000 kHz.
Clockspeed = 2000
