RSS
Sort by » date activity ▼ answers views votes

23,725 questions

41
views
no
votes
1
answer
Last activity 2017-07-19 11:02:48 +0200 by Bjørn Spockeli flag of Norway

How to set softdevice for CE certification test EN300328

Hi everyone. For our product, we need to accomplish tests for CE certification, in accordance with regulations EN300328 paragraph 5.4.10. How can we set the softdevice s310 v.3 of our chip nrf51422 for be able to perform ... (more)

27
views
no
votes
no
answers
Last activity 2017-07-19 11:02:16 +0200 by Ricardo Nunes

NRF52832 doesn't work properly on mobile phones

We have a device with a main MCU connected to a NRF52832 for BLE communication. Our device have Battery, Heartrate and a custom service. The first implementation used a Sparkfun breakout board and tests were made using Android and iOS ... (more)

30
views
1
vote
1
answer
Last activity 2017-07-19 10:58:37 +0200 by Michal

after sd_flash_page_erase softdevice does not generate event

Hi,

I managed to get dfu working in application (with hrs). But on the last attempt to erase page with bootloader settings there is no event generated from softdevice and I get stuck on attempt to store new settings. When ... (more)

28
views
no
votes
1
answer
Last activity 2017-07-19 10:48:41 +0200 by Jørgen Holmefjord flag of Norway

IAR MDK With Multiple IAR Versions Installed

A while ago I asked this question https://devzone.nordicsemi.com/questi....

Yesterday I re-installed MDK 8.11 after a computer crash and I had IAR version 7.60.1 and version 8.11.2 installed. When I ran the ... (more)

57
views
no
votes
1
answer
Last activity 2017-07-19 10:45:46 +0200 by endnode

SPIM DMA nrf52840

Hi

Is there a sample code for SPIM DMA nrf52840? I only found smaple code for SPI in the development kit. Thanks for helping.

Best Regards ZQ

200
views
7
votes
1
answer
Last activity 2017-07-19 10:44:08 +0200 by Ildar

BLE Mesh 1.0 now approved

What is the timeline for nRF52x support of the new BLE mesh standard?

47
views
no
votes
2
answers
Last activity 2017-07-19 10:43:04 +0200 by endnode

How do I know I2S transfer finished using SDK's I2S driver

When using SDK v13's I2S driver, the data to send is filled via data_handler callback. How do I fill last block data? Assume i2s buffer size is 2000, then every 1000 words sent I have to prepare the next ... (more)

23
views
no
votes
1
answer
Last activity 2017-07-19 10:40:12 +0200 by Hung Bui

pstorage_update() not working when called before start_bootloader()

Hello iam using softdevice 110 and SDK 10.0.0, i have implimented dfu in my project, i want to update a region in EEPROM by calling pstorage_update() function before calling start_bootloader() in dfu_app_handler.c, i have written code in ... (more)

31
views
no
votes
1
answer
Last activity 2017-07-19 10:37:11 +0200 by Joakim Jakobsen flag of Norway

Custom ble service creation

I am trying to make custom BLE service to send the data from one nRF52832 to another nRF52832 but we followed the below tutorial "Bluetooth low energy Advertising, a beginner's tutorial, services, characteristics" but we are not getting proper ... (more)

18
views
no
votes
no
answers
Last activity 2017-07-19 10:32:37 +0200 by pargfrieder7

How to run OTA on BLE Nano

dear all, i need your help.

Where we are: We use mbed software developer platform. We have BLE Nano V1.5 + MK20 USB Board V1.0 from RedBear. We are able to generate desired program (analog sensor reading) and forward ... (more)

41
views
3
votes
1
answer
Last activity 2017-07-19 09:52:21 +0200 by q

Find a service characteristics' handles

Hello,

I am implementing a custom service with several characteristics, one of which is the current temperature. A second characteristic notifies the user if the temperature is above a predefined level, so I would like this second characteristic to be ... (more)

44
views
1
vote
1
answer
Last activity 2017-07-19 09:07:41 +0200 by Bjørn Spockeli flag of Norway

M905 for Nrf52832 Chip Module Soldering Problem

we are facing problem with smt M905 module. is there any basic error with this module pad? smt factory in china failed several times to solder this module.

43
views
no
votes
1
answer
Last activity 2017-07-19 08:45:27 +0200 by Bjørn Spockeli flag of Norway

PCB antenna or Chip antenna?

Hi All,

This is my first time i am designing a PCB for nrf52840, I need a suggestion regarding the antenna to be used. I am going to have an application over BLE. Which antenna should i use in my ... (more)

45
views
1
vote
2
answers
Last activity 2017-07-19 07:26:10 +0200 by Michal

TWI stops working - SDA bus always LOW

Hi!

I'm developing a project with nrf52832 and I'm getting some problems. The micro is only communicating with an accelerometer (MMA8453) and after some time the communication stops. Using a digital analyzer is possible observe that the SDA ... (more)

59
views
no
votes
no
answers
Last activity 2017-07-19 05:02:02 +0200 by nordicdev

Uart + BLE throws NRF_DRV_UART_EVT_ERROR

Hi I am using SDK 12.3.0 with softdevice s130 v2. When I try to combine ble_app_hrs_peripheral code with app_uart.c, uart module gives error NRF_DRV_UART_EVT_ERROR in uart_irq_handler. I have enabled uart by using APP_UART_ENABLED and UART_ENABLED under c ... (more)

17
views
no
votes
no
answers
Last activity 2017-07-19 04:43:16 +0200 by proceptcc

failed pm_peers_delete causes NRF_ERROR_STORAGE_FULL error from pm_conn_secure

I'm using SDK 12.3 and SoftDevice S130 2.0.1 and trying to secure a BLE link with OOB. The nordic board is running as a central and makes a new bonding to a peripheral every time it ... (more)

67
views
no
votes
no
answers
Last activity 2017-07-19 02:05:55 +0200 by ChipChipperson

Examples in the NRF52 SDK that show an example of very frequent advertising data packet intervals?

In the examples directory of the NRF52-SDK are there any examples that demonstrate a peripheral sending advertising packets at a very frequent rate?

28
views
3
votes
1
answer
Last activity 2017-07-19 01:20:56 +0200 by Austin

S140 initialisation errors on nRF52840 if RTC2 interrupt enabled

I'm testing a custom application with the following configuration:

  • Custom app based on the ble_app_pwr_profiling SDK example.
  • Using SDK 13.1
  • S140 SoftDevice s140_nrf52840_5.0.0-2.alpha_softdevice.hex
  • PCA10056 development board, nRF52840

I've modified the example to configure ... (more)

18
views
no
votes
1
answer
Last activity 2017-07-18 22:52:51 +0200 by endnode

Disable discovering and advertisement after the connection is established

Considering that as soon as the connection is established (GAP Peripheral device receives CONNECT_REQ packet) and advertising is over. Is it possible once the connection is established to make the device not discoverable and keep this connection running? Does the ... (more)

34
views
2
votes
1
answer
Last activity 2017-07-18 19:03:52 +0200 by endnode

Smartphone as peripheral

Can the smart phones or tablets be configured as a peripheral? If yes, why is this not common? Are there any limitations if a tablet/phone is configured as a peripheral device?

We are looking to see if we can ... (more)

133
views
no
votes
2
answers
Last activity 2017-07-18 18:16:46 +0200 by villaran

Multiperipheral UART Example

I am using 3 nrf52 DKs with S132 and SDK13 to try and implement a combination of the multilink and UART examples. I started with the ble_app_uart_c example and added the relevant code from the ble_app_multilink_central example to connect to ... (more)

31
views
no
votes
no
answers
Last activity 2017-07-18 16:31:13 +0200 by paula

setBeaconLayout on Android-Beacon Library

Has anyone successfully used the Android-Beacon Library to detect the nRF51822 Beacon on and Android application? I tried several different layouts but I just can't detect it.

public class MainActivity extends AppCompatActivity implements BeaconConsumer {

protected static final String TAG ...
(more)

42
views
no
votes
1
answer
Last activity 2017-07-18 16:16:29 +0200 by Bjørn Spockeli flag of Norway

Changing SD (s110->s130) and wrong memory organization

Hello,

I'd like to upgrade nrf51822 QFAC custom board firmware via DFU and change SoftDevice from s110 to s130. Because of larger (than s110) size of s130 I haven't enough space for my application with current FLASH memory ... (more)

1k
views
2
votes
2
answers
Last activity 2017-07-18 15:54:58 +0200 by joao pimenta

nRF51822 - Connect without advertising

In short:

  • Is it possible to connect a nRF51822 s110 peripheral from a central without the need for sending advertising packets (by peripheral)?
  • If (hopefully) yes, what's the required steps (shure, the central must know the MAC)?

A stupid ... (more)

45
views
1
vote
1
answer
Last activity 2017-07-18 15:38:14 +0200 by endnode

Strategy for sending alert to phone from nrf52

Hello,

I am trying to create an application that sends a notification from the nrf52 to a smartphone when a sensor reading exceeds a certain value. Would the immediate alert service be appropriate here, or should I just add a ... (more)

110
views
no
votes
1
answer
Last activity 2017-07-18 15:17:43 +0200 by Jørgen Holmefjord flag of Norway

Issue Resolving DNS in Border Router

I'm following the tutorial in the NRF52840 SDK on setting up a Thread Border Router hereand I've run into some issues during testing. For one, I'm trying to resolve ipv4.google.com on the dev kit ... (more)

36
views
no
votes
1
answer
Last activity 2017-07-18 15:04:33 +0200 by Hung Bui

is there any way to use nrf sniffer with custom board nrf51822 chip ?

Hi everyone;

i think about possibility of using nrf sniffer with custom nrf51822 (QFAA) board . if yes, how can i achieve? could you please help me about it

Best Regards

51
views
no
votes
no
answers
Last activity 2017-07-18 14:46:12 +0200 by Nick

External NRF52832 Program with NRF52DK - Reset not working

Hi,

I'm trying to program an external NRF52832 board with the NRF52-DK, per the instructions in this post.

Programming works fine, but the code doesn't execute after reset. I'm using nrfjprog (on OSX) with --chiperase --program and ... (more)

38
views
2
votes
1
answer
Last activity 2017-07-18 14:13:03 +0200 by endnode

Programming nRF51422 externally

Hi,

I have designed and made a PCB with the nRF51422 chip on it. I am programming the chip externally using the P20 header pins on the nRF51-DK. I am not sure whether the chip on the PCB is being ... (more)

56
views
no
votes
1
answer
Last activity 2017-07-18 13:57:22 +0200 by Jørgen Holmefjord flag of Norway

52832 ADC just do samle one time

Hi,

I'm using the ADC of nRF52832 on nRF5 SDK V12.2. The setting as attachment. I found that it just do sample one time. But I have use timer to call nrf_drv_saadc_sample() to the SAADC sample task every ... (more)

Statistics

  • Total users: 23023
  • Latest user: Numbers Arnott
  • Resolved questions: 9857
  • Unanswered questions: 2922
  • Total questions: 23725