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Last activity 2017-10-13 11:24:36 +0200 by Sigurd flag of Norway

No module named ipaddress when I directly run nrfutil from source code

I want to run the nrfutil to do some test, after I clone the source code from https://github.com/NordicSemiconducto...

I run the nrftutil directly from the source code without installing it by executing:

python nordicsemi/__main__.py

and ... (more)

128
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no
votes
1
answer
Last activity 2017-10-02 15:03:49 +0200 by Hung Bui

DFU of App Data section

SDK14.0.0 nRF52832 s132

I would like to DFU the contents of the App Data section. In particular, I would like to erase the contents for a "factory reset" command.

I've tried creating a separate DFU package that ... (more)

74
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2
votes
2
answers
Last activity 2017-09-22 23:52:10 +0200 by Emil Lenngren flag of Sweden

Application file encryption (.bin)

Hello we would like to upload to the cloud the nrfutil generated zip package, however we are worried about the application file security. As far as we know, nrfutils takes the unencrypted .hex file and generates signature in order to ... (more)

57
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no
votes
1
answer
Last activity 2017-09-14 09:47:59 +0200 by arjun

Problem with private key generation in nrfutil

Hi,

I am trouble with private key generation in nrfutil. I am following the tutorial http://infocenter.nordicsemi.com/inde....

When I am giving the command nrfutil keys generate private.pem, it giving me the following error- "Got unexpected extra ... (more)

49
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no
votes
1
answer
Last activity 2017-09-13 04:43:31 +0200 by cidron_noob

nrfutil problem - cannot generate correct CRC

Hi Nordic,

Sorry if I missed and repeated a question, just point me to the previous answer if it has been posted before.

I am trying the DFU example found in the SDK example nRF5_SDK_13.0.0_04a0bfd\examples\dfu\ble_dfu_send_hex ... (more)

257
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1
vote
1
answer
Last activity 2017-09-08 10:01:41 +0200 by Jeong Hyun Seok

nrfutil.exe UnicodeDecodeError

when I use nrfutil.exe to generate .zip file on win10 64bit, I got the UnicodeDecodeError.

Traceback (most recent call last):
File "__main__.py", line 303, in <module>
File "click\core.pyc", line 664, in __call__
File "click\core.pyc ...
(more)

39
views
no
votes
1
answer
Last activity 2017-09-06 22:14:27 +0200 by a.o.

nrfutil crash -- protobuf?

When I run nrfutil, the program immediately throws a Python exception.    It has been working for the last 6 months.    I've used pip to try to upgrade protobuf and nrfutil, but no change in behavior.    I'm using Ubuntu ...
(more)

86
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no
votes
1
answer
Last activity 2017-07-25 14:29:44 +0200 by Bjørn Spockeli flag of Norway

How program beacon OTA

Good afternoon.

I have bought a "nRF51822 Bluetooth® Smart Beacon Kit (nRF6930, Rev 1.3.0)" this is the first time I work with this, docs say that it has installed softdevice s110 with sdk 7.

The problem is that ... (more)

81
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1
vote
1
answer
Last activity 2017-05-24 08:25:35 +0200 by Kristian Skordal flag of Norway

nrfutil application version

I'm using nrfutil version 2.0.0 and have noticed a strange bug today when generating a new signed application image for bootloading.

If I have a version number of 0207 or below, it works. If I have a ... (more)

121
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no
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no
answers
Last activity 2017-05-03 13:21:19 +0200 by David

Failed to send init packet, nrfutil dfu serial

when i run sudo nrfutil dfu serial -pkg my_package.zip -p/dev/ttyACM0 i get the following error: pc_ble_driver_py.exceptions.NordicSemiException: Failed to send init packet.

I am running this on an UpBoard with Ubuntu 16.04. I created a ... (more)

89
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2
votes
1
answer
Last activity 2017-04-06 12:47:27 +0200 by ashakya

Where to download legacy nrfutil v0.5.2?

Hi,

I am using legacy version of DFU for my application and would like to use the appropriate version. However, using pip the only available versions are 1.1.1 and beyond. Where can I download the v0.5.2?

Best, ashakya

85
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no
votes
1
answer
Last activity 2017-04-05 08:15:25 +0200 by Turbo J

nrfutil generate different public key from openSSL

Hi there,

I'm trying to use nrfutil generate package with an extern key pair generated with openSSL. I used opneSLL with prime256v1 curve, which correspond to secp256r1 curve, and got an private key in PEM format, same format that ... (more)

111
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no
votes
2
answers
Last activity 2017-03-21 14:40:07 +0200 by Hung Bui

Can't see sd-req 0x98 in "nrfutil pkg generate --help" function.

Hi, I updated nrfutil to use in new sdk 13, but when I type "nrfutil pkg generate --help" I can't see the code for Softdevice S132 v4.0.2 (0x98) as indicated in this guide: https://devzone.nordicsemi.com ... (more)

183
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1
vote
1
answer
Last activity 2017-03-08 11:16:22 +0200 by Bjørn Spockeli flag of Norway

nrfutil settings generate for nRF52 QFAB

Hello,

it seems the current nrfutils release assumes that the bootloader settings will be stored at address 0x7F000 on an nRF52. However, unless I'm mistaken, that is only true for QFAA versions of the chip, since QFAB versions have ... (more)

275
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no
votes
1
answer
Last activity 2017-03-01 14:51:03 +0200 by Vicnet

nrfutil v0.52 dfu serial / ble - HCI packet in terminal

Hi,

I'm using nrfutil to update my nRF52832.

I change target from nRF51822 to nRF52832 and I want be able to bootload my target through own master.

In past, I used hci_dfu_send_hex.py in verbose mode to convert hex ... (more)

291
views
no
votes
1
answer
Last activity 2017-02-22 13:19:58 +0200 by Bjørn Spockeli flag of Norway

Version numbers for Secure DFU

Why do the version numbers have to be as follows for a merged hex file to be able to exit the dfu mode when flashed externally as a combined hex file (SD +BL + BL settings + App)?

nrfutil settings generate --family ... (more)

78
views
1
vote
1
answer
Last activity 2017-02-17 15:25:36 +0200 by Jørgen Holmefjord flag of Norway

No serialization firmware - nrfutil by pyinstaller

What I am trying to achieve is single-file executable for nrfutil tool, for performing DFU. I downloaded sources and built it using pyinstaller. I can succesfully create DFU package.

Problem comes, when I want to perform dfu with -f parameter ... (more)

237
views
no
votes
no
answers
Last activity 2016-12-29 16:25:09 +0200 by dblasco

DFU upload failed

Hi,

I have seen similar questions to this, but I could not make it work. I am trying to upload a new code using DFU by means of a smartphone (using nRF Connect) or PC (using Master Control Panel), without ... (more)

444
views
2
votes
2
answers
Last activity 2016-12-07 12:58:08 +0200 by Richard Gledhill

Request for nrfutil Windows executable

Hi (aimed at Nordic really, this one),

Having the nrfutil available as nrfutil.exe (Windows executable) would be HUGELY helpful.

It's a real nuisance for us as developers to have to download git, download Python, clone the nrfutil repository ... (more)

215
views
1
vote
1
answer
Last activity 2016-10-27 19:04:41 +0200 by Vidar Berg

nrfutil pkg generate bootloader freeze the computer

nrfutil version 1.5.5

On Linux Mint (Ubuntu like)

in folder nRF5_SDK_12.1.0_0d23e2a/examples/dfu/bootloader_secure/pca10040/armgcc

make

nrfutil pkg generate --bootloader _build/nrf52832_xxaa_s132.bin --hw-version 52 --bootloader-version 0x00000001 --sd-req 0x8C --key-file /xxx/private.pem test.zip ...
(more)

425
views
1
vote
1
answer
Last activity 2016-10-25 09:56:33 +0200 by Visti Andresen

Generating and using secure DFU keys under Linux

Hi

I'm wondering if anyone have had any success or problems with generating and using secure DFU keys under Linux?

I'm using the latest nrfutil from: https://github.com/NordicSemiconducto...

SHA1: e5303b994611b1122116ebd07c2185d5a0645d1d

And I'm running Debian (unstable ... (more)

358
views
no
votes
no
answers
Last activity 2016-09-02 08:02:34 +0200 by chewlm86

BLE DFU via PC nrfutil is really slow

Hi,

I have downloaded the latest SDK12 for nRF52.

And i tried out the new "BLE Secure DFU Bootloader" example.

But i found that doing the BLE DFU with nrfutil on windows take 1 minute for the pre-generated package "dfu_test_app_hrm_s132 ... (more)

296
views
no
votes
1
answer
Last activity 2016-08-03 11:12:52 +0200 by Øyvind Karlsen flag of Norway

Trying to use a nrfutil command on raspbian OS

Hi, I've got a problem with nrfutil package on Raspberry Pi with Python 2.7.9 and pip 1.5.6 included to raspbian distribution.

I'm writing like below:

pi@raspberrypi:~ $ sudo pip install nrfutil

And package seems ... (more)

626
views
no
votes
no
answers
Last activity 2016-05-17 09:29:33 +0200 by Siva Subrahmanyam

nrfutil dfu genpkg --application nrf51822_xxaa.hex blinky.zip is giving error

I am using peripheral example(blinky) to generate .zip file using nrfutil python script. I am getting fallowing error.

nrfutil dfu genpkg --application nrf51822_xxaa.hex blinky.zip Traceback (most recent call last): File "/usr/local/bin/nrfutil", line 9, in ... (more)

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