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Last activity 2018-01-18 01:28:05 +0200 by Ladasky

nRF52 USB-UART broke, half-duplex?

Hi there,

I have multiple PCA10040 boards, and about a year's worth of experience developing code for them. I have suddenly started to have problems with USB-UART connections. Not even Nordic's SDK example code (in ../examples/peripheral/uart ... (more)

36
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no
votes
1
answer
Last activity 2018-01-15 14:53:32 +0200 by Torbjørn Øvrebekk

need real time clock tutorial for s130 nr51822

Is there a simple way to have linux time up and running with minimum current consumption and good accuracy?

Preferably, some class with get_unix_time and set_unix_time methods, with a resolution of up to seconds.

32
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no
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no
answers
Last activity 2018-01-12 16:41:56 +0200 by drahnr

vscode debugging on linux

1: (276) LaunchOptions<LocalLaunchOptions xmlns='http://schemas.microsoft.com/vstudio/MDDDebuggerOptions/2014'
    1: (294) LaunchOptions  ExePath='/home/f/Projects/area51/myapp/BUILD/myapp.elf'
    1: (294) LaunchOptions  WorkingDirectory='/home/f/Projects/area51/myapp'
    1: (294) LaunchOptions  ExeArguments=''
    1: (294) LaunchOptions ...
(more)

47
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no
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no
answers
Last activity 2018-01-04 11:08:12 +0200 by tomasz.szewczyk

NRF52-DK embedded serial port issues on Ubuntu

Hi!

I have some troubles with making embedded serial port working on NRF52-DK. Basically I can receive data sent by nrf chip but I cant write. When I write something using any terminal nothing happens on the board.

HOWEVER this ... (more)

46
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no
votes
no
answers
Last activity 2017-12-04 12:24:55 +0200 by schef flag of Croatia

Segger Embeded Studio on Linux

Hi guys, has anyone had problems with: Cannot connect to J-Link via USB. message?

The device is alive and i can flash and connect to it from CLI.

Thanks

39
views
1
vote
1
answer
Last activity 2017-11-29 15:45:49 +0100 by drahnr

No output on /dev/ttyACM0

I used to get all my output by running cat on /dev/ttyACM0. Now I only see the first few lines, until the filesystem gets mounted.

How do I prevent Linux mounting the filesystem of the nordic 52 startkit?

It ... (more)

53
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no
votes
1
answer
Last activity 2017-11-28 17:46:50 +0200 by Uwe

nRF52832 doesn't start after exec. nrfjprog-script-file but after the first connection to nRFGo Studio

Environment

nRF52832, nRF5x-Command-Line-Tools_9_7_1_Linux-x86_64,

Problem:

Programming of Softdevice, Application and Bootloader with nRFGo Studio works.

Programming of the same *.hex files with a scipt - file like:

nrfjprog -f NRF52 --eraseall

nrfjprog -f NRF52 --program softdevice.hex --verify

nrfjprog -f NRF52 --program ... (more)

27
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no
votes
1
answer
Last activity 2017-11-27 11:40:07 +0100 by Bjørn Kvaale

Linux nRF24LU1+ SDCC debugging?

Product: nRF24Lu1+

If I use the nRFGo and the nRF24LU1+ Development kit, must I use the Keil tools to be able to access the debugging port? I develop in linux and use the SDCC toolchain.

If I need to debug ... (more)

71
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1
vote
1
answer
Last activity 2017-11-22 10:53:48 +0100 by Ketil

nRF Connect Linux - not able to find ttyACM0 [closed]

I couldn't use nRF Connect (BLE) under Linux, after updating the FW, it tries to open /dev/ttyACM0 but fails to do so.

  1. Not a "permission" problem: the user is in uucp and dialup groups already. Even tried to ...
(more)

118
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1
vote
1
answer
Last activity 2017-11-22 05:04:42 +0200 by Alexey Roslyakov flag of Thailand

nRF Connect for (Linux) desktop, JavaScript error

I just discovered nRF Connect for Desktop. I am setting up one of our nRF52 DK (PCA10040) boards to serve as a Bluetooth central device for our other nRF52 peripherals. The desktop computer is running Ubuntu Linux 16.04.

I ... (more)

68
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no
votes
1
answer
Last activity 2017-11-20 18:55:18 +0200 by efiLabs

nrf5x eclipse in linux again

this issue might also be one of others than myself

my main development environment is based on linux ... firmware, QT, android and whatever comes along ... i used to write firmware starting with the 8085, z80, 68k and for the last ... (more)

103
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no
votes
1
answer
Last activity 2017-10-30 15:22:57 +0200 by Jørgen Holmefjord flag of Norway

Connecting to the nrF52 DK BLE through linux whith pygatt

Hello,

I'm trying to connect my Linux computer to the nrF52 DK card using BLE. I'm connecting my Bluetooth chip to nrF52 and I want to display "hello" on the serial interface of nrF52 DK

The BLE connexion ... (more)

140
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no
votes
1
answer
Last activity 2017-10-27 15:36:59 +0200 by Bjørn Spockeli flag of Norway

Ble Mesh : will it be ported to linux

I just came across the following code ..

(hash)ifdef __linux__

toolchain_init_irqs();

(hash)endif

Does that imply there is a possibility that the source could be ported to a linux platform?

109
views
1
vote
2
answers
Last activity 2017-09-08 14:27:34 +0100 by Per Kristian Schanke flag of Norway

nRFConnect fail on linux

Hi,

I have a well working cli environment under linux where i can compile, program and debug a nFR52 demo board.

I have installed RSSI Viewer (1.05) and Bluetooth Low Energy (2.0.1) in nRFConnect, but both fail ... (more)

64
views
no
votes
1
answer
Last activity 2017-09-06 22:14:27 +0100 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)

505
views
2
votes
2
answers
Last activity 2017-08-21 14:03:14 +0200 by jruiz

nRF51 DK soft devices examples not working

Hi,

I have an nRF51 DK, found here https://www.nordicsemi.com/eng/Produc.... I am using SDK V11.0 and S130 V2.0. I am developing on a Linux machine.

I can compile and run the blinky example successfully ... (more)

2k
views
6
votes
2
answers
Last activity 2017-08-08 18:11:38 +0200 by tralamazza

nrfjprog wants JLinkARM.dll on linux

First, obviously error message is not correct, dll's are not used on linux. Message should give correct file name instead of prewritten one.

I have installed latest JLink 5.02g. And tried both 32 and 64 bit versions. I ... (more)

113
views
no
votes
1
answer
Last activity 2017-08-01 14:15:34 +0100 by Sigurd flag of Norway

How to print RSSI value while scanning? [closed]

In android while at the stage of scanning there is list of ssid ,i am getting print of scan_result but while trying to print the RSSI value,the result is 0 .Files i have changes is struct wpa_scan_res *res in ... (more)

134
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no
votes
no
answers
Last activity 2017-07-26 04:22:18 +0200 by Ladasky

Linux, UART over USB frequently fails to connect

Hello everyone,

Thanks in advance for your patience in reading this long message.

I have been having problems with UART over USB on PCA10040 boards for almost four months now. Something changed around March of this year. I have seen ... (more)

122
views
no
votes
1
answer
Last activity 2017-07-07 03:44:11 +0200 by Ladasky

nRF Connect, Ubuntu Gnome 17.04, blank window

Hello everyone,

I'm usually on the cutting edge with Ubuntu Linux. I upgrade my development box frequently, because I like the precompiled binaries in the Ubuntu repository. I prefer to use my time building nRF52 apps from source, rather ... (more)

109
views
1
vote
1
answer
Last activity 2017-07-07 01:33:46 +0100 by Ladasky

JLink works on Win10, but not on Ubuntu Gnome 17.04

Hello there,

While investigating some issues with getting nRF Connect working on Ubuntu Gnome 17.04, I came across a more fundamental problem.

I now have J-Link V6.16b installed on both Windows 10 and Ubuntu Gnome 17.04, the ... (more)

324
views
1
vote
1
answer
Last activity 2017-07-06 07:28:48 +0200 by Ladasky

SDK 12.3.0, Linux, cannot find arm-none-eabi-gcc

I have been setting up systems to develop nRF52 code for the better part of two years. Maybe I am getting forgetful in my old age, but I can't seem to get it working this time around.

My OS ... (more)

340
views
1
vote
2
answers
Last activity 2017-05-19 13:46:34 +0200 by Wojtek flag of Poland

Can nRF51422 or nRF51822 can be used as bluetooth device for Raspberry pi?

Can nRF51422 or nRF51822 can be used as bluetooth device for Raspberry pi?

As I can see on the terminal Linux, the hciconfig log says, raspberry pi 3's Bluetooth device is connected to board with UART Connection.

I'm ... (more)

180
views
3
votes
1
answer
Last activity 2017-04-11 14:26:23 +0100 by Alexey Roslyakov flag of Thailand

NFC type 4 and Linux (neard) interoperability

Hi, I'm trying to use NFC type 4 tag on nRF52 side (PCA10040) and poll and read it on Embedded Linux using neard [1]. I'm not an expert in NFC area, so I could be wrong in some ... (more)

524
views
1
vote
2
answers
Last activity 2017-03-29 23:40:44 +0200 by arthare

nRF bootloader runs into HardFault

I'd like to run a softdevice application with OTA support on a RIGADO BMD-200 Evaluation board. I've successfully flashed the softdevice, the app, and the rigado bootloader, with rigado's program.py from the rigado bootloader-tools.

Now I ... (more)

213
views
no
votes
1
answer
Last activity 2017-03-01 11:29:55 +0100 by run_ar

Programming nRF52832 from embedded linux

We are developing embedded linux platform and nRF52832 will be bluetooth peripheral. Since there will be an option to update linux kernel/file system we would like to be able to program nRF52832 from the embedded linux(ARM-Cortex A9) platform ... (more)

103
views
1
vote
1
answer
Last activity 2017-02-05 19:51:45 +0200 by Vignesh

nrf51822 SDK V12 proximity example problem [closed]

Problem : After successful compilation of ble_proximity example in SDK 12 version Ble is not showing up in Android device How ever If I load pre compile file in example path (/nRF5_SDK_12.2.0_f012efa/examples/ble_peripheral/ble_app_proximity/hex/ble_app_proximity_pca10028_s130.hex) its ... (more)

515
views
1
vote
no
answers
Last activity 2017-02-02 23:31:19 +0200 by Erlend

Linux: Segger Embedded Studio 310i installer does not work (blank window

I'm using Arch Linux, with kernel 4.9.6 on a 64-bit laptop. Using a window manager with no desktop environment.

I'm trying to install Segger Embedded Studio 310i, which is linked to here. I get the same ... (more)

870
views
5
votes
2
answers
Last activity 2016-11-24 10:29:36 +0200 by Javier flag of Spain

Migrating Custom Service from SDK11 to the SDK12

Hi!,

I'm trying to migrate my app with one Service and two Characteristics from SDK11 to the SDK12.

I'm using ble_app_uart as template but when I initialized my custom service the board (NRF52-DK) stop advertising and printf not ... (more)

149
views
no
votes
1
answer
Last activity 2016-11-22 12:25:03 +0100 by Martin H.

secure dfu [node.js][linux]

Hi,

Im trying to develop an linux-application running on node.js to communicate with a nrf52 device. Im using the noble-module (noble) and a usb bluetooth-dongle.

Subscribing, writing and reading is working very good, but when it comes ... (more)

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