RSS
Sort by » date activity ▼ answers views votes

22,463 questions

25
views
no
votes
1
answer
Last activity 2017-05-26 13:13:06 +0200 by Kristin flag of Norway

failing while doing the flashwrite example

hello, i am doing flash read and write in nrf51.for which i have used the C:\nRF5_SDK_12.2.0_f012efa\examples\peripheral\flashwrite\pca10028\blank\arm4 this exampl. but while doing this my nrf51-DK borad stopped response and it showing ... (more)

21
views
no
votes
1
answer
Last activity 2017-05-26 12:37:49 +0200 by endnode

Error when trying to program user app into nrf52840

Hello, I can program properly (the "--verify" command passed) my softdevice s140 into the chip, using nrfjprog 9.x. But now I can't use my keil uv5 to program my user app into the chip.

I suspect that I ... (more)

63
views
no
votes
2
answers
Last activity 2017-05-26 11:31:59 +0200 by Krzysztof Loska flag of Poland

unable to compile libmbedcrypto.a

hello, i am trying to compile libmbedcrypto.a but the Make file is pointing to a non existing file called /mbedtls/sha256_alt_cc310.c. Any idea where i can find this file?

Thank You Nav

28
views
no
votes
1
answer
Last activity 2017-05-26 11:30:40 +0200 by Torbjørn Øvrebekk

gazell out_of_sync and in_sync

hi ,all

I feel confused about" out_of_sync" and" in_sync" parameters .If a devece is in sync,how the channels was changed ?And what's the use of"nrf_gzll_set_device_channel_selection_policy())"? And how could I get the sync_lifetime in our softcode ?

57
views
1
vote
1
answer
Last activity 2017-05-26 11:04:58 +0200 by Torbjørn Øvrebekk

OpenThread nRF52840 radio TX power output

Hi All,

I would like to know what the default value is for the radio TX power for the nRF5240. According to Nordic's specification, the output power is programmable from +8 dBm to -20 dBm. I see there is ... (more)

39
views
no
votes
2
answers
Last activity 2017-05-26 11:03:18 +0200 by Kristin flag of Norway

Flash Data Storage place in memory

Hi,

I'm using the FDS library to store some data (configuration data). For production, I'd like to flash an initial configuration to the nRF52832. I know the storage format because it is well documented in the FDS library ... (more)

45
views
no
votes
1
answer
Last activity 2017-05-26 11:00:31 +0200 by Hung Bui

Release Note of nRF52840

I asked what changed SDK11's "app_trace" to the SDK13.

You answered that the "app_trace" was changed in SDK12.

I found 'release note', but I could not find the above.

I want to know how to find the above content ... (more)

31
views
no
votes
1
answer
Last activity 2017-05-26 09:50:53 +0200 by Bjørn Spockeli flag of Norway

MBR Params page

Hi there,

The DFU Nordic samples have a 4K "MBR Params" page, located in the last 4K of flash. e.g., the linker file has:

MBR_PARAMS_PAGE (rw) : ORIGIN = 0x0007E000, LENGTH = 0x1000

And, the DFU library code references it:

uint8_t m_mbr_params_page ...
(more)

39
views
no
votes
1
answer
Last activity 2017-05-26 09:43:20 +0200 by Hung Bui

Implement Static Passkey with SDK12.2.0

Hi, I want to use iOS to connect nRF82832 with passkey when connecting. I use pca10040_s132 with SDK 12.2.0.

Following is my procedure: 1. define security parameters:

   #define SEC_PARAM_BOND                   0 
   #define SEC_PARAM_MITM                    1
   #define SEC_PARAM_LESC                    0 
   #define SEC_PARAM_KEYPRESS ...
(more)

36
views
no
votes
1
answer
Last activity 2017-05-26 09:14:45 +0200 by Bjørn Spockeli flag of Norway

remote dfu insufficient resources [closed]

image description

I am using nrf52832 BLE chip(10040), sdk 12.2, softdevice s132 with sample example boot-loader code(dual bank).

I modified the boot-loader code for button-less DFU.

The dfu failed with remote dfu error ie remote dfu insufficient resources.

Please ... (more)

87
views
3
votes
1
answer
Last activity 2017-05-26 09:03:52 +0200 by Kristin flag of Norway

Saving words in FDS memory ?

I was able to use the fds with the help of good people here , I am trying now to save a word into memory.

As I see in the docs, the only way to save data is by uint32_t chunks ... (more)

13
views
no
votes
no
answers
Last activity 2017-05-26 08:58:35 +0200 by Nik

iOS Device show Peripheral Name as DFUTarg after Doing DFU ?

Hello,

I am able to get NRFtoolbox dfu code work for iOS 10.3. and now able to perform the DFU on BLE device.

But when I perform the DFU its GAP name changes from Beam to DFUTarg and it ... (more)

38
views
no
votes
1
answer
Last activity 2017-05-26 08:54:34 +0200 by Bjørn Spockeli flag of Norway

Job board?

Is there a job board for Nordic developers? I'm offering a short contract job. I have a 100% complet e PCB design based on the Nordic chip. I'm looking for someone to write basic firmeware to test it ... (more)

15
views
1
vote
no
answers
Last activity 2017-05-26 07:48:22 +0200 by schef

saadc called inside app timer not started

Hi guys. I'm trying to measure my battery. I'm testing my function from main and it works. The procedure looks like this:

  • saadc init
  • sample data
  • saadc uninit

But when i try to execute the same from app ... (more)

25
views
no
votes
no
answers
Last activity 2017-05-26 07:09:14 +0200 by lewis

Got a broken NRF51822-BEACON?

I just got my NRF51822-BEACON. I didn't see any LED flashing when I insert the battery. Also I can't find this beacon on nRF Beacon android Application.

16
views
2
votes
1
answer
Last activity 2017-05-26 06:23:02 +0200 by RK flag of Singapore

About "long" format

Hi. I have a question. I tested that nrf52 get datas from sensors. But the code was not moved well, I made code to test bit shift. Please see my code.

#include <stdio.h>
#include <stdbool.h>
#include <stdint.h ...
(more)

18
views
no
votes
no
answers
Last activity 2017-05-26 03:32:49 +0200 by muyang

hrs example pair

Hi, I used the hrs example found some problems, the problem is described as follows: I use the Android phone pairing binding device, when I cancel the pairing on the phone, click again when the phone found that the phone ... (more)

67
views
1
vote
2
answers
Last activity 2017-05-26 03:09:34 +0200 by rct42 flag of New Zealand

NRF52 Timing Accuracy

I'm developing an accurate and low drift millisecond-resolution timer on the NRF52. I'm limited to the resources on the NRF52 itself. Details of the system:

  • Initialise TIMER0 to be clocked from the main crystal (16MHz 10 ppm, using ...
(more)

43
views
no
votes
2
answers
Last activity 2017-05-26 02:49:45 +0200 by David Kosokowsky

GATT timeout executing long write with nRF Connect

I successfully built the example peripheral project "experimental_ble_app_queued_writes" from nRF5_SDK_12.0.0_12 and successfully downloaded the app to a nRF52832 development board with subsequent automatic activation of fast advertising. I can successfully connect to the resulting "Queued_Write" peripheral with the ... (more)

34
views
1
vote
1
answer
Last activity 2017-05-26 00:59:54 +0200 by RK flag of Singapore

nrf2401+ replacement with NRF52832 via SPI

I have an arduino mega based design working with nrf24L01+ via SPI. As certification is the next step, I found a NRF52832 based module that would meet all certification requirements. Is it possible to just drop that module in and ... (more)

28
views
no
votes
no
answers
Last activity 2017-05-26 00:18:04 +0200 by Kishore

On connecting the nRF52 dk board to the PC should two of its LED's glow?

The board which I have shows only 1 LED glowing on start up. LED 1 is not blinking. Should I have to change the board?

48
views
no
votes
2
answers
Last activity 2017-05-26 00:00:49 +0200 by ta2

code of protocol stack which part of the Protocol I can modify?

Hi there, I need to add more the function based on Bluetooth, and I need the better security of the function. However, I do not want others read flash data freely and I hope only through my certification could the ... (more)

575
views
6
votes
4
answers
Last activity 2017-05-25 22:12:30 +0200 by wskim

Programming SoftDevice to custom PCB: Unable to find or open the JLinkARM dll

I've been trying to program a custom PCB with an nRF52832, using the nRF52 Development Kit and nRFgo Studio.

When I connect just the nRF52 Development Kit to my computer and program the SoftDevice (s132_nrf52_3.0.0_softdevice.hex), it ... (more)

165
views
1
vote
1
answer
Last activity 2017-05-25 21:55:01 +0200 by LulaNord

nRF52 development kit by OHTCOM

Hi, I'm not sure if this forum support that board but if YES, can You explain how to upload some program on that board. I think that process is little bit different that on original board. Thanks.

42
views
no
votes
1
answer
Last activity 2017-05-25 18:22:55 +0200 by endnode

Flashing and Debugging nRF52840 using FTDI

Hi,

I am currently working on nordic PDK. And I am interested in flashing nRF52840 through FTDI SWD interface. I want to know whether it is possible?

If yes, what will be the process of flashing through FTDI to nRF52840 ... (more)

23
views
2
votes
1
answer
Last activity 2017-05-25 18:18:20 +0200 by endnode

Is it possible do a DFU to switch between SDK versions? [closed]

Hi all,

I am experimenting with the DFU to switch between SDK versions from SDK12 to SDK13 and SDK13 to SDK12

Is it possible if I send a whole imagen of SD+BL+APP to switch between SD12+BL12+app12 ... (more)

174
views
1
vote
1
answer
Last activity 2017-05-25 18:12:18 +0200 by endnode

Relay Defination and Question

Hey, Just had a quick question... I was doing the Relay example and I don't totally understand what a "relay" is. Can you explain what the purpose and usage of relay is for?

On the same note, if my ... (more)

83
views
no
votes
2
answers
Last activity 2017-05-25 16:52:34 +0200 by Ricardo

Read or change nRF51 mac address on Zephyr

Our project uses a Raspberry Pi compute module 3 connected via UART to 2 nRF51822. I'll go through what is working and than describe the issues I'm having

What's going on without issues:

  • The 2 nRF51822 are ...
(more)

35
views
1
vote
2
answers
Last activity 2017-05-25 15:11:43 +0200 by Jon Helge flag of Norway

nRF24LU1+ HID programming descriptor question.

HI

I'm studying how to control mouse and keyboard via HID with nRF24LU1+ module referring to firmware of nAN-22.

Even though I set Descriptor as appropriate for mouse and send dates to USB, it has no response. I have ... (more)

43
views
no
votes
no
answers
Last activity 2017-05-25 14:58:46 +0200 by phst36

Is there a DeviceFamilyPack supporting the pca10056 that i can use for debugging in Eclipse?

From what i found out there isn't, but maybe i am blind..

Statistics

  • Total users: 20387
  • Latest user: Debdasora
  • Resolved questions: 9454
  • Unanswered questions: 2674
  • Total questions: 22463

User menu

    or sign up

Recent questions