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25,452 questions

25
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1
answer
Last activity 2017-09-22 11:28:10 +0200 by Bjørn Spockeli flag of Norway

bootloader_secure_ble with NRF_LOG RTT

I am trying to debug a custom version of the bootloader_secure_ble example but am running into FLASH space issues. The bootloader app does not fit into FLASH with -Og optimization OR with NRF_LOG activated. I am using SDK14 and S132 ... (more)

26
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1
vote
1
answer
Last activity 2017-09-22 11:22:37 +0200 by Roger flag of South Africa

OpenThread whitelisting

Hi,

I would like to only connect certain routers in a network using whitelisting. At the moment I'm trying to set a dedicated MAC address to a router and then use this address in the whitelist. I also noticed ... (more)

78
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1
vote
1
answer
Last activity 2017-09-22 11:18:06 +0200 by Bjørn Spockeli flag of Norway

Bluetooth SIG with nRF52832

Hi, our company one new product using you nRF52832. We already prepared everything for CE (RED ) and FCC certification process. Only thing that is unclear is Bluetooth SIG.

We are using you nRF52832 with soft device v5.0.0 with ... (more)

17
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no
votes
1
answer
Last activity 2017-09-22 11:04:45 +0200 by Simon

How to read the StaticPasskey from Softdevice

Hi, I want to read the StaticPasskey from the Softdevice that was set before with:

uint8_t u8_ToBePassKey[];
/*    
 * Configure ToBePassKey in some way... 
 */
m_static_pin_option.gap_opt.passkey.p_passkey = u8_ToBePassKey;
sd_ble_opt_set(BLE_GAP_OPT_PASSKEY, &m_static_pin_option);

When I now try to read out the passkey i ... (more)

28
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no
votes
1
answer
Last activity 2017-09-22 11:01:15 +0200 by huaminhtuan

nRF52832 system powers off and wakes up it

Hi everyone,

I am developing a remote control using nRF52832 chip. My prototype is currently developed in PC10040 board. The IDE is Eclipse Oxygen, and the SDK is S132 v5.0.0.

I am trying to power off my system ... (more)

27
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no
votes
1
answer
Last activity 2017-09-22 10:46:53 +0200 by Torbjørn Øvrebekk

the topogoly of mesh

Hi

As we know, the mesh network is contained of a number of nodes, so, if we want to get the message of the nodes on the network , i think the node which is connected with the phone will stay ... (more)

300
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no
votes
5
answers
Last activity 2017-09-22 10:36:35 +0200 by audiya

Installing micro-ecc issue

Hi,

I am following below step for Installing micro_ecc_lib_nrf52.lib.

  1. Install version 4.9-2015-q3-update of the GCC compiler toolchain for ARM. You can use ARM's Launchpad to find the toolchain for your operating system. - DONE

  2. Make sure that make ...

(more)

34
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no
votes
1
answer
Last activity 2017-09-22 10:22:36 +0200 by alutun

HID Consumer control settings

Dear fellow developper,

I'm trying to create a BLE device using HID service to control music, volume and so on.

I have successfully implemented a keyboard + Consumer control command in the HID service.

It works great on iOS and ... (more)

33
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no
votes
1
answer
Last activity 2017-09-22 10:00:49 +0200 by Martin Børs-Lind flag of Norway

nRF52 PCA10040 Bossa Program Port

Sorry for being funny English because I am using translation software.

Hello, I am using PCA 10040.Version is V1.1.0. I am in trouble because it is recognized as "Bossa Program Port" when I connect it with PC ... (more)

13
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no
answers
Last activity 2017-09-22 09:49:51 +0200 by Hung Alan

sdk14 hids_keyboard error

I am working in sdk14 nrf52832 ble_app_hids_keyboard_pca10040_s132. I set the .allow_repairing flag to true :

static void pm_evt_handler(pm_evt_t const * p_evt) { case PM_EVT_CONN_SEC_CONFIG_REQ: { // Reject pairing request from an already bonded peer. pm_conn_sec_config_t conn_sec_config = {.allow_repairing = true}; pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config); } break; .....

Then ... (more)

34
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no
votes
1
answer
Last activity 2017-09-22 09:06:55 +0200 by Jørgen Holmefjord flag of Norway

How get micro_ecc_lib_nrf52.lib file?

I have no idea how i can install this and use it. I would like if any one can explain in detail. Can you get picture how I can do it? I am using ble_app_hrs_nfc_pairing project in Keil 5.

55
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no
votes
2
answers
Last activity 2017-09-22 08:53:48 +0200 by RS

nRF52832 - do i need FCC and EU approval

Hello All,

I am new to this area and i am just starting my development for BLE.

i am planning to use nRF52832 . I want to know that if i am planning to make night lamp using this will i ... (more)

18
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no
votes
no
answers
Last activity 2017-09-22 07:19:27 +0200 by Amit

Invalid memory access fault during DFU

Hi, We are in the process of upgrading our firmware from SDK 13 to SDK 14. We are hitting an issue with DFU, where nrf_fstorage_erase function receives a fault (Fault id: 0x00001001) while erasing settings page.

Relevant snippet of the ... (more)

19
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no
votes
no
answers
Last activity 2017-09-22 06:38:15 +0200 by prasanna

Issue with initializing pstorage twice ??

According to here , pstorage_init should not be initialized twice.It links to another thread and the documentation which says the same but does not mention downfalls of doing so.

In my scenario, my error handler re-initialises the whole stack including ... (more)

16
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no
answers
Last activity 2017-09-22 06:21:40 +0200 by Mitch996

BLE Mesh DFU - which bootloader to use with nrf5240?

Hello: I'm about to test out the ble mesh dfu, and to do that I need to flash my device, which is nrf52840, with precomped bootloaders.

Now here is the problem: Which one should I choose? They are device-specific ... (more)

53
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no
votes
1
answer
Last activity 2017-09-22 05:59:27 +0200 by huclee

Cheap Dev Boards to create a Mesh Network?

Hey,

I'm new to the Nordic Semiconductors and wanted to get started out trying to learn about Bluetooth Mesh.

I've been reading a lot of posts and trying to get some hardware in the pipeline.

From what I ... (more)

21
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no
votes
no
answers
Last activity 2017-09-22 01:50:28 +0200 by Dave_couling

High Idle Current using SAADC Low Power

I have a 3 channel setup on my SAADC module, which I sample according to a LFCLK timer. I notice after the first called to nrf_drv_saadc_sample() and receipt of the ADC results, it seems the HFCLK is not shutting off ... (more)

19
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no
votes
no
answers
Last activity 2017-09-22 00:33:13 +0200 by ajc

issues loading and running with NRFgo

Hello,

I seem to be missing a fine point when attempting to erase and program the entire NRF52386 either from NRFgo or using the command line nrfjprog.

From NRFgo, I do the following:

  • erase chip
  • program softdevice
  • program bootloader
  • program ...
(more)

60
views
1
vote
1
answer
Last activity 2017-09-21 20:50:27 +0200 by zoltan

NRF52 nrfjprog: ERROR: There is no debugger connected to the PC

------------ EDIT Sep-21-2017 ----------------

I was able to work around the issue by trying on a Linux distribution. Here is a written guide to the package install and board connect process on Ubuntu 16.04: Warning! the guide is written for a ... (more)

18
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no
votes
no
answers
Last activity 2017-09-21 20:23:03 +0200 by tanekaf

Custom board & SDK v14 bootloader

Hi. We recently upgraded from SDK13 to SDK14. All was well until we integrated the bootloader. We are using Laird's BL652. We updated the bootloader's config to use NRF_CLOCK_LF_SRC_RC, NRF_SDH_CLOCK_LF_RC_CTIV = 16, NRF_SDH_CLOCK_LF_RC_TEMP_CTIV = 2, and NRF_SDH_CLOCK_LF_XTAL_ACCURACY = 7 to match ... (more)

23
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answers
Last activity 2017-09-21 20:13:45 +0200 by Jerod

definition of clock parameters in SDK14 (sdk_config.h)

I ran into the issue where the clock definitions were defined in both the "board_pcaXXX.h" file and the sdk_config.h.

e.g. NRF_SDH_CLOCK_LF_XTAL_ACCURACY NRF_SDH_CLOCK_LF_SRC NRF_SDH_CLOCK_LF_RC_CTIV NRF_SDH_CLOCK_LF_RC_TEMP_CTIV

I didn't realize they had moved to sdk_config.h, and obviously, when ... (more)

34
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3
votes
1
answer
Last activity 2017-09-21 19:58:41 +0200 by Thomas Stenersen flag of Norway

Bluetooth Mesh TX power on nRF52

I'm playing around with the light and switch examples with the Bluetooth mesh SDK on nRF52832 devices. I'm trying to find out what the maximum distance would be given changes in TX output power. However, every time I ... (more)

150
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no
votes
2
answers
Last activity 2017-09-21 19:15:27 +0200 by desnyki

Trouble finding characteristics using android nRF toolbox, while the nRF Connect android app finds it ok

Okay so the issue is a little more complicated than this.

Phones used for testing were htc m8 (android 6.0) and lg g5 (android 7.0).

Ble chip running on a linux OS using BlueZ stack.

I've modified ... (more)

165
views
1
vote
1
answer
Last activity 2017-09-21 18:52:09 +0200 by Farhang

What is difference between nRF52 DK PCA10040 v1.1.0 and v1.1.1 ?

I am very curious to know about difference between revision v1.1.0 and v1.1.1 of nRF52 DK.

19
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no
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no
answers
Last activity 2017-09-21 18:33:39 +0200 by Mik

TIMER_TASKS_START increases power consumption when TWI is in use from 13uA to 450uA

Hi, i would like to implement a very low power counter and used the template from this post. I've modified the example and used TIMER2 in counter mode triggered by LPCOMP through PPI. This worked fine and results in ... (more)

37
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no
votes
1
answer
Last activity 2017-09-21 17:15:52 +0200 by endnode

nRF52 low power

Hello,

I would like to know what are possibilities for low power in a central device on nRF52 chip. I need to be in BLe connection mode, and be able to receive notification from peripherals. I have too a spi ... (more)

45
views
no
votes
1
answer
Last activity 2017-09-21 17:13:03 +0200 by endnode

Multiple Connections of nRF51822

Hello,

lets suppose, there are 20 nRF51822 chip advertise there presence at a same time.

so, this all are acts as a slave at a time. now, the master(mobile or nrf51822 chip) scan all peripheral device and see the ... (more)

17
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no
votes
no
answers
Last activity 2017-09-21 16:56:07 +0200 by DavidC

Set up MTU and DLE with SD 132 ver 4

Hello community,

I have a central device which I implemeted, it is running with SD 132 v 4 ("NRF_SD_BLE_API_VERSION=4") ) the chip is a NRF52832, I have some movement sensors which are able to send 8,20 and 30 bytes ... (more)

18
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1
vote
1
answer
Last activity 2017-09-21 16:01:37 +0200 by KPK

ANT OTA Updater tool connection failed

Hi,

I am trying to implement the DFU ANT Bootlaoader on my PCA100040 board. I have uploaded the softdevice S212 and the bootloader with nRFgo Studio. I have an ANT dongle connected to my PC. But the OTA Updater (v1 ... (more)

34
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no
votes
1
answer
Last activity 2017-09-21 15:47:47 +0200 by Jørn flag of Norway

How to connect spectrum analyzer with NRF52840-DK?

Hi,

We were planning to use a spectrum analyser in order to do the radio test on the nrf52-dk. Where should the analyzer be connected? Should it be connected to the J1 connector on the nrf52-dk?

Also J1 connector is ... (more)

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