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28,672 questions

130
views
no
votes
3
answers
Last activity 2018-01-19 18:13:56 +0200 by nordic_fan

Can't run modified nrf51-DK example on custom board

Hi. I took the ble_central/experimental/ble_app_blinky_c example and modified it for my needs. It works on the nrf51-DK. Now I want to use it on a custom board with nrf51822qfab. I modified the Makefile in the following way:

changed ... (more)

7
views
no
votes
no
answers
Last activity 2018-01-19 18:07:58 +0200 by aTended

Help with linker script for a S132 Bootloader

Hi all, I'm currently building a bootloader suitable for Dual Channel DFU and SD132. It is on nrf52832, currently on PCA10040. Although the linker script works, and creates a hex file, I am left with an app_error_code 1 after ... (more)

16
views
no
votes
2
answers
Last activity 2018-01-19 17:08:38 +0200 by Dave_N

Can Gazell protocol use for broadcast data

Is there any possibility setting that let Gazell device broadcast data and receive from multiple host

8
views
no
votes
no
answers
Last activity 2018-01-19 17:04:28 +0200 by Rodrigo Lorenzo Leal

app_twi_perform fails with NRF_ERROR_INTERNAL

Hello Nordic Forum!

Our product relies heavily in the TWI Bus, we use it to communicate with different sensors periodically. The most "important" one is read once every 4 ms.

Additionally we have a TWI controlled IO expander, which has ... (more)

24
views
no
votes
1
answer
Last activity 2018-01-19 16:27:01 +0200 by Romain

NRF52832 sdk 13.0 Bootloader example not running

Hi,

I'm using the example dfu/bootloader_secure_ble for NRF52832 (PCA10040 board) in nRF SDK 13.0.0 version and on my mobile the "nRF Connect" application.

If I use Keil uVision to compile the bootloader I can see and ... (more)

32
views
no
votes
1
answer
Last activity 2018-01-19 15:55:25 +0200 by Bjørn Kvaale

Noise PPK and nRF52840

Hi Nordic,

I have been quiet for a long time but here is another question.

For the project I am working on I want to measure the current with the PPK. Although it seems I am only getting noise.

Setup ... (more)

6
views
no
votes
no
answers
Last activity 2018-01-19 15:27:25 +0200 by Daniel

NRF24L01+ ACTIVATE COMMAND

Hi, please!

The question is related to "nRF24L01P_Product_Specification_1_0.pdf" datasheet in "https://www.nordicsemi.com/eng/content/download/2726/34069/file/nRF24L01P_Product_Specification_1_0.pdf" and to NRF24L01P chip.

In the Page 51, ACTIVATE command is not present. What happens if use ... (more)

29
views
1
vote
1
answer
Last activity 2018-01-19 15:23:01 +0100 by Joakim Jakobsen flag of Norway

advertisement with random address

Hi,

I am using nrf52832 with sdk11 and s132.I am using ble_app_beacon example wherein I want to advertise with different address after one power cycle.

In ble_stack_init ()function,I am doing as below;

  ble_gap_addr_t addr;
addr.addr_type =  BLE_GAP_ADDR_TYPE_RANDOM_STATIC 
err_code ...
(more)

10
views
no
votes
no
answers
Last activity 2018-01-19 15:22:12 +0200 by KEOPS

Store beacon parameters in flash (fstorage)

hello, I modified the beacon example that allows me to modify major and minor value from mobile app, but when i restart the nrf52840 dev board, the modified values are reset to the their initial values,

so, how can i ... (more)

24
views
no
votes
1
answer
Last activity 2018-01-19 15:10:25 +0200 by Jørgen Holmefjord flag of Norway

pc-ble-driver communication issues

Hi

We are using PCA10040 together with the ble connectivity firmware, pc-ble-driver and pc-ble-driver-py as a part of our automated test system. Eight dev boards are connected via USB to a Linux PC running Ubuntu 16.04.

We have found ... (more)

30
views
no
votes
1
answer
Last activity 2018-01-19 14:50:04 +0200 by Joakim Jakobsen flag of Norway

sd_nvic_critical_region_enter/exit missing in s130 v2

Hi,

I am currently porting an application s110-based to s130v2.

Previously, I used to create critical sections using sd_nvic_critical_region_enter/exit.

Reading the s130v2 specification and nrf_soc.h, I noted that such APIs are missing.

How is possible to implement a ... (more)

22
views
no
votes
1
answer
Last activity 2018-01-19 14:43:57 +0200 by Hung Bui

NRF_FSTORAGE_DEF issue with nrf52832

Hello,

I have some trouble to write/read data in flash region,

I am using FICR region to save data, if trying the command : nrfjprog --memrd 0x10000010 --n 0x10 I can see : 0x10000010: 00001000 00000080 FFFFFFFE FFFFFFFF |................|

So I setup ... (more)

11
views
no
votes
no
answers
Last activity 2018-01-19 14:28:26 +0200 by Gabriel Gabor

LSM9DS1 driver for nrf5 SDK

Hi,

I've been searching for a LSM9DS1 driver compatible with the nRF5 SDK >= 14.0 but I couldn't find any which uses the nrf_drv_twi so I started to write my own but it takes quite a bit of ... (more)

45
views
1
vote
1
answer
Last activity 2018-01-19 14:10:40 +0200 by haakonsh

How to disable workaround for NRF52 errata 102 and 106?

I am using a nRF52 to communicate using both BLE and proprietary protocols. When using BLE, I apply the workarounnd for errata 102 and 106. However, when I switch to my proprietary protocol, how do I disable the workaround, so ... (more)

53
views
no
votes
1
answer
Last activity 2018-01-19 13:45:10 +0200 by Joakim Jakobsen flag of Norway

getting millis from startup

I need to count millis from nrf52 start

I have seen that all are using rtc1 but I did not find any example from which i can integrate it to my project.

28
views
1
vote
1
answer
Last activity 2018-01-19 13:41:51 +0200 by shangl

Downloading Invensense libraries for compiling Thingy:52 SDK - permission issue

Hi,

I'm trying to download Invensense's "Embedded MotionDriver 6.12" in order to compile the Thingy:52 SDK, as suggested here.

It seems that this wasn't previously the case, but Invensense require manual permission to download the ... (more)

30
views
1
vote
1
answer
Last activity 2018-01-19 13:41:31 +0100 by Torbjørn Øvrebekk

Interface between Flash Data Storage and QSPI MX25R6435F chip

Hi!

I have a Nordic NRF52840 development kit and am trying to interface with the MX25R6435F flash chip. It communicates over QSPI, so I know I have to go through the QSPI driver to use it effectively and read/write ... (more)

10
views
no
votes
no
answers
Last activity 2018-01-19 13:06:03 +0200 by Ashish

What's static OOB in bluetooth mesh?

Hi all !!!

I understand Output OOB, Input OOB. I case of No OOB, value which is attached to Confirmation value is 0x00, what happens in case of static OOB?

19
views
no
votes
1
answer
Last activity 2018-01-19 13:05:23 +0100 by Ketil

configure a provisioned node with the Serial API

Hello, i am working with the nRF5 Mesh SDK on nRF52 based boards. Starting from the light_switch example i created a custom model to perform light control and other tasks; then i integrated the serial protocol into my code so ... (more)

30
views
no
votes
1
answer
Last activity 2018-01-19 13:01:13 +0200 by Ketil

Bluetooth Mesh for image transfer

Hi, I'm looking for feedback on the feasibility of using Bluetooth Mesh to network Bluetooth modules in a series of adjacent hotel rooms. All the nodes are also relays since all nodes are powered from the wall. I would ... (more)

22
views
1
vote
1
answer
Last activity 2018-01-19 12:45:24 +0100 by Martin Børs-Lind flag of Norway

How do I change type of data to send with BLE?

I want to change type from "uint32_t val1 = 0xAA01" to "uint8_t val2 = {"AA01"}.

Then, attr_char_value.p_value = val2;
=> sd_ble_gatts_characteristic_add(p_rms->service_handle,
&char_md,
&attr_char_value,
&p_rms->version_char_handles);

Can I do this?
uint8_t val2[4];
itoa(val1, val2, 16);

26
views
no
votes
1
answer
Last activity 2018-01-19 12:41:21 +0200 by Torbjørn Øvrebekk

nrf52832 RF power accuracy

The OPS states the maximum transmitter RF power accuracy to be +/- 4 dB. Does this imply that if the power is set to +4dBm it could vary from 0 dBm to as much as +8 dBm? What is the typical ... (more)

25
views
no
votes
1
answer
Last activity 2018-01-19 12:27:05 +0100 by Martin Børs-Lind flag of Norway

sending lots of data from peripheral to central, queued writes

Hi. I have a peripheral application that spends a lot of time doing stuff, but not in a BLE connection. In order to debug it, I have it use nrf_log with a backend that just keeps the log in RAM ... (more)

13
views
no
votes
no
answers
Last activity 2018-01-19 12:25:15 +0200 by Sebastien Monat

How to use PCA10040 as Dongle Scanner

Hi,

I'm trying to have a PCA10040 working as a scanner of BLE peripherals to be able to connect to my own BLE Nordic device, write a characteristic and close the connection. To do that I followed those steps ... (more)

89
views
no
votes
no
answers
Last activity 2018-01-19 12:08:20 +0200 by cdugue

Drivers from nRF5_SDK to Mesh SDK

Hello,

I would like to add the ST7735 driver from the nRF5_SDK to the Mesh SDK along with the necessary components (SPI,..). I copied the entire components directory to my Mesh SDK. But I have an issue with the cmake ... (more)

23
views
no
votes
1
answer
Last activity 2018-01-19 11:58:08 +0200 by Simen August Tinderholt

Python 64 bit issue with nrfjprog dll

Hello,

I have two version of Python 3.6 installed: 32 and 64 bit (Windows 10) Recently i installed nRF5x command line tools (9.7.2) and pynrfjprog 9.7.1

For Python 64 bit during creation of pynrjprog API ... (more)

10
views
no
votes
no
answers
Last activity 2018-01-19 11:56:30 +0200 by Andy

Bug report: BLE multirole example SDK 13.1

Hello,

I'm working on a project based on the ble_app_multirole_lesc example, under examples/ble_central_and_peripheral/experimental and I found a bug.

In ble_evt_dispatch when there hasn't been a connection yet and the advertising times out, the event is not ... (more)

27
views
no
votes
1
answer
Last activity 2018-01-19 11:31:36 +0200 by Torbjørn Øvrebekk

BLE Advert Extensions Example

Hi

Is there an example in the SDK or anywhere that displays the use of LE Advert Extensions? I have been browsing softdevice v6.0.0-6.alpha and I came across the structure ble_gap_cfg_adv_config_t; however, this is not used anywhere ... (more)

14
views
no
votes
1
answer
Last activity 2018-01-19 11:24:29 +0200 by Martin Børs-Lind flag of Norway

nrf52810 mesh network

Hello All,

Can i use nRF52810 SOC for mesh networking. is there any space constraints?.. if we can use can we control all the nodes via smartphone .

please provide more details on usage of mesh on nRF52810 chip?

thanks in advance Pktron

17
views
no
votes
no
answers
Last activity 2018-01-19 11:23:34 +0200 by Adriana

P0.09 and P0.10 on nRF52810

Hi,

I'm developing on nrf52810 using the SDK14.1.0 and I've take as starting point a template application that targets nRF52810 running on the nRF52 Development Kit. But I'm working on nrf52810 hardware, NOT the nrf52DK ... (more)

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  • Resolved questions: 11535
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  • Total questions: 28672