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Last activity 2018-01-21 22:41:31 +0200 by Jørgen Holmefjord flag of Norway

No sdk_config.h file for Application Timer Tutorial

The app_time_tutorial.zip file I downloaded for the Application Timer Tutorial does not contain a sdk_config file despite the #include "sdk_config.h statement included in multiple files. Therefore, the project does not compile, and throws multiple instances of this error ... (more)

30
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no
votes
1
answer
Last activity 2018-01-20 16:31:10 +0200 by Aron

can't discover nRF52832

Hello. Engineers. I'm a beginner in nRF52832, I'm looking for someone who can help me. I have nRF52832 development kit. I tried examples blankly with SDK14.0. It working well. examples are correct. After power on board and ... (more)

8
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answers
Last activity 2018-01-20 01:13:10 +0200 by Sensorion

SDK14.2 DFU power cycle issue

Situation: Trying to upgrade previous versions of the SD and BL (V3.0.0) to (V5.0.0) Problem: device power cycles after a new application is flashed to the device into the V5.0.0 SD and BL.

Steps ... (more)

54
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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.

15
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no
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no
answers
Last activity 2018-01-19 10:46:23 +0200 by vishal

Suggestion for Custom nRF52832 specially RF Antenna

Hello Sir,

we have designed custom PCB using nRF52832, I am little confused for is it OK. I have attached top and bottom layer layout of my PCB please sir review it and is it ok like antenna and Specially ... (more)

10
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no
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no
answers
Last activity 2018-01-19 06:42:26 +0200 by Sensorion

Bootloader SDK14.x [closed]

I have recompiled the secure boot loader, s132 and it works great on the dev board but not on my board. The difference in boards is minimal with the exception of the fact we don't use a LF XTAL ... (more)

14
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Last activity 2018-01-18 20:28:48 +0200 by xiSean

nrf_serial_write stops when NRF_LOG_BACKEND_RTT_ENABLED

I'm having trouble debugging SDK14.1.0 example serial using NRF_LOG with NRF_LOG_BACKEND_RTT_ENABLED using the NRF52 DK, PCA10040.

With NRF_LOG_ENABLED set to 0 I see characters from nrf_serial_write on my terminal. With NRF_LOG_ENABLED set to 1 I do not ... (more)

82
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1
vote
1
answer
Last activity 2018-01-18 09:46:25 +0200 by shibshab

Giving read permission of a characteristic to a specific connected peer in multiperipheral device

Hi,

I am using multiperipheral configuration. I want a characteristic to be read by only a specific peer among connected peers. How do i recognize and authorize this specific peer every time it connects.

I am using PCA10040 , S132, SDK ... (more)

51
views
2
votes
1
answer
Last activity 2018-01-17 12:00:55 +0200 by Suhel Mulla flag of India

How I can load the Bluetooth 5.0 (BLE Mesh) stack in nRF52832 chip?

Hello Sir / Madam,

I want to load the BLE 5.0 (BLE Mesh) stack in nRF52832 chip.

Where I can find the latest Bluetooth 5.0 (BLE Mesh) stack on internet? Can you suggest any link to download the stack ... (more)

28
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no
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no
answers
Last activity 2018-01-17 09:12:43 +0200 by Raghav Iyer

SDK 14.0.2 multirole lesc segger embedded studio project

Hi,

I am using the sparkfun nrf52832 breakout board with segger jlink and softdevice 5.1.0, I am not using the DK board.

I modified the BLE peripheral uart ses project and added the necessary includes and files to ... (more)

37
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1
vote
2
answers
Last activity 2018-01-17 07:53:35 +0200 by Xaerdna

Flash Thingy firmware using NrfGo

I am trying to flash custom firmware to Thingy using nrf52dk and nrfgostudio.

I have attached a cable from the debug out port on the DK to Thingy, and followed the steps here: https://nordicsemiconductor.github.io...

However, in NrfGo ... (more)

30
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no
votes
2
answers
Last activity 2018-01-16 16:20:03 +0200 by catelain

NRF_POWER utilisation make reboot the ship?

Hi,

I try to enable the ram retention function. (Bank 4) So i used the POWER structure

NRF_POWER->RAM[4].POWERSET |= (POWER_RAM_POWER_S0POWER_On << POWER_RAM_POWER_S0POWER_Pos); NRF_POWER->RAM[4].POWERSET |= (POWER_RAM_POWER_S0RETENTION_On << POWER_RAM_POWER_S0RETENTION_Pos);

This instructions make constantly reset the board. Did you have a ... (more)

48
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1
vote
no
answers
Last activity 2018-01-16 16:16:42 +0200 by 2rp

nRF Sniffer version 2 (beta) not working with nRF52 DK

Cannot get nRF Sniffer version 2 (beta) to work properly with nRF52 DK running the sniffer_pca10040_51296aa.hex: - Windows 7 64-bit - nRF Sniffer 2.0.0-1.beta - Wireshark 2.4.3 - Python 2.7.14 - pyserial 3.4 - nRFgo Studio 1 ... (more)

57
views
1
vote
1
answer
Last activity 2018-01-16 15:39:52 +0200 by Muhammet YILDIZ

How to Firmware Update Over BLE

I am using keil 5, softdevice 132, sdk NRF_SD_BLE_API_VERSION=5, nRF52832.

I am trying to work with firmware update over ble.

In the example folder, there is an example called "buttonless dfu".

I am trying to implement it. But cant ... (more)

44
views
no
votes
1
answer
Last activity 2018-01-16 13:14:51 +0200 by run_ar

A few questions about getting started with crystals.

Hi to everyone!

It's the first time I use and program clocks in a device. I'm very lost with crystals, power management and this stuff.

I have a custom board with two crystals: one is high frecuency and ... (more)

312
views
1
vote
2
answers
Last activity 2018-01-16 08:08:03 +0200 by Bjørn Spockeli flag of Norway

nrf52 Bootloader_secure_ble

Hello, I am using nrf52 with sdk 13.0.0. Bootloader_secure_ble gives error while compiling. What should I do ?

        Error[Lt009]: Inconsistent wchar_t size 
        micro_ecc_lib_uECC.c.o(micro_ecc_lib_nrf52.a) has wchar_t size 16 bits 
        app_error_weak.o and 66 other objects ...
(more)

13
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no
votes
no
answers
Last activity 2018-01-16 02:57:50 +0200 by MichaelNordicUser

NRF_ERROR_NOT_SUPPORTED when adding GATT service changed characteristic

I would like to be able to use the Nordic Connect app for debugging and be able to observe the current UUIDs/handles of my attributes as I change them.

I have attempted to connect a perihperal and refresh the ... (more)

35
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no
votes
no
answers
Last activity 2018-01-14 15:24:26 +0100 by Yaniv Nis

mBed samples for the nRF52-DK

Hi,

I'm looking for mBed OS 5 examples I can run on the nRF52-DK. At the mBed GitHub, I only found a Blinky and a BLE sample. I'm wondering if you are familiar with more examples you can ... (more)

74
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no
votes
1
answer
Last activity 2018-01-13 07:47:42 +0200 by J.Kwon

UUIDs and handles for old attributes do not reflect new values on flashing

I spent a few hours trying to change the base UUID and handles of the attributes of the Blinky peripheral app, just the one service and the button and LED characteristics (three attributes total plus the base UUID in the ... (more)

24
views
1
vote
1
answer
Last activity 2018-01-12 16:10:36 +0200 by Torbjørn Øvrebekk

nRF52832 unmodulated carrier via timeslot?

Hello,

my usecase is the following: I'd like to use SoftDevice for BLE Advertising / Scanning - every now and then I'd like to "pause" BLE for a few miliseconds and send data via an unmodulated carrier using on-off-keying. However ... (more)

209
views
1
vote
2
answers
Last activity 2018-01-12 13:44:06 +0200 by Hung Bui

Low level clock

Hello,

I need time synchronization between the two devices. At the same time I want to use the standard means of bluetooth, synchronizing the clock of the connected devices with each other.

Am I able to get the time from ... (more)

48
views
1
vote
1
answer
Last activity 2018-01-11 21:53:01 +0200 by dhinojosac

ERROR 4 [NRF_ERROR_NO_MEM] in nRF52832

I'm using nRF52832 SDK board with softdevice s132_nrf52_5.0.0. The error appears when I try to load it to the board, right on line 1247 where it initializes the NUS service (nordic uart service).

static void services_init(void ...
(more)

35
views
no
votes
no
answers
Last activity 2018-01-11 21:09:58 +0200 by Harshil

Why UART packet is terminated due to NULL character?

Is there a way around the issue where bluetooth communication acting as a pass-though terminates the packet whenever null character is found in the packet.

SDK: nRF5_SDK_12.0.0_12f24da

37
views
no
votes
no
answers
Last activity 2018-01-11 14:50:34 +0200 by lalit-tmt

How to flash Fw to nrf52 thingy

We want to flash ble_peripheral over nrf52. How can we proceed? we use the code from following link when we try compile this code in segger studio we get following errors..

https://github.com/NordicPlayground/n...

When we try to ... (more)

49
views
1
vote
2
answers
Last activity 2018-01-11 08:54:38 +0100 by David

nrf52832 executing TWI function from app_timer handler

Hello,

When i execute a function that uses TWI from a timer handler the NRF gets stuck. I assumed that this issue occurs because of interrupt priority so i gave the TWI a higher priority then the priority of APP_TIMER ... (more)

41
views
1
vote
2
answers
Last activity 2018-01-10 12:59:52 +0200 by CheMax

How send large notification?

Hello, In our project we want use a large characteristic with notification property.

I use a "ble_app_template" project from nRF5_SDK_14.2.0_17b948a\examples\ble_peripheral. In a project i added custom service with one characterics, it's length 200 byte. Property ... (more)

27
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no
votes
no
answers
Last activity 2018-01-10 12:34:50 +0200 by CFF.K

how to check adv, connect in peripheral ?

Hi,

(1) I look for some methods that suggests is application flag to record. but I set this ble_adv_on_disconnect_disabled = false;. How do I check ble state when disconnect ?

(2) I see the Advertising Module in nordic Semiconductor Infocenter. I wonder ... (more)

21
views
no
votes
1
answer
Last activity 2018-01-09 15:20:52 +0200 by Torbjørn Øvrebekk

ble_app_gzll Power utilization

I'd like to run the DK in at the lowest power in SYSTEM_ON mode.

It's my understanding that the ble_app_gzll example places the system in the "low power" SYSTEM_ON mode. However when measuring the current using an oscilloscope ... (more)

158
views
5
votes
1
answer
Last activity 2018-01-09 10:57:13 +0200 by Petter Myhre flag of Norway

Theoretical throughput doesn't match experiments done via ble_app_att_mtu_throughput example

Hi guys,

Right now, I'm trying to do some throughput measurements via the experimental ble_app_att_mtu_throughput example. This using the SDK 14.2 and S132 on two nRF52832 DK's. Alongside that, I'm trying to couple these experiments to ... (more)

28
views
no
votes
no
answers
Last activity 2018-01-09 00:31:34 +0200 by MichaelNordicUser

Writing and notifying from the same characteristic

Is there a problem with writing-to and notifying-from the same characteristic? Or is it recommended that one create two characteristics, one for receiving data, and the other for transmitting? Is this less of a concern for Android then the NRF52 series?

Thanks

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