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3,684 questions

3
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Last activity 2017-11-20 02:32:47 +0200 by Nick

Running Timesync Example on Sparkfun Breakout

I would like to get the timesync example running on the Sparkfun nRF52832 Breakout board.

I can currently download it to the nRF52832 DK using Segger Studio (after making the changes suggested for the project to work with the Segger ... (more)

8
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Last activity 2017-11-20 00:45:48 +0200 by Jdam

nrf52 SAADC, ADV

Hi,

I am trying to use the SAADC via ble when noridc is connecting with other device and adding value to advartasing. This is my code but i've got some problems.

1) SAADC

AFTER EDIT

void saadc_callback(nrf_drv_saadc_evt_t const ...
(more)

19
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Last activity 2017-11-20 00:25:33 +0200 by goldwake

PM_EVT_STORAGE_FULL event spammed

I am currently doing some stress testing to ensure that I am correctly removing peers when the peer manager storage is full.

In this regard, my device is acting as a peripheral, being connected to by Android 7 phones. I ... (more)

13
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Last activity 2017-11-19 19:58:41 +0200 by Sween

Is there a way to increade data rate from BLE device ?

Hi,

I'm retreiving data from my Running Speed and Cadence BLE device to my Android smartphone. The BLE device is the Polar Stride.

The problem I have is that the data I receive is only sent every seconds. Is ... (more)

7
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Last activity 2017-11-19 19:42:06 +0200 by Fanis

How to delete specific peer?

I met a problem when delete bonding information on android central, i actually can't connect to the nrf52832 peripheral again, until i totally clear it's peer list and bond again. If i don't do this and try ... (more)

8
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answers
Last activity 2017-11-19 15:56:13 +0200 by likent

nRF51822 ,cannot find headers which were involved in imported into keil5

image description image description as this screenshots show, i add some headers to nRF_Libraries, and add the directory of the folder nRF_Libraries to Options for targets /c++/include paths,but after building project,I cannot open the header , e.g. boards.h by rightClicking ... (more)

10
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answers
Last activity 2017-11-19 14:25:26 +0200 by Turbo J

I2C Write issue

I am facing some issue while writing to i2c. On first i2c write , device is working but after that when i tries to write anything, code is stucking in loop.

void sensor_sleep_mode(void)
{
    ret_code_t err_code;
    uint8_t buff[2]={0x06, 0x01 ...
(more)

20
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1
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Last activity 2017-11-19 08:21:24 +0100 by Nick

Issues running imported Keil project in Segger Studio

I tried importing the Keil 5 SDK 13 project from https://github.com/nordic-auko/nRF5-b... into Segger.

I followed all the directions from https://devzone.nordicsemi.com/blogs/... However, I did have to reverse the thumb_crt0.s modifications of adding ... (more)

9
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Last activity 2017-11-18 23:08:29 +0200 by Arepa

BLE_GAP_SEC_STATUS_DHKEY_FAILURE numeric comparison

Hi I, moved from a two nrf52 sdk13 central and peripheral with not display or I/O caps, to two connected to a PC and using UART for the I/O like the multi_role_lesc example.

When my two devices are ... (more)

15
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Last activity 2017-11-18 20:34:29 +0200 by Roger flag of South Africa

Multi-tasking and event-handling

Hello Everyone,

It is unclear to me how a soft-device operates regarding multi-tasking and event-handling. I'm assuming Nordic engineers have their own real-time operating system in place for their soft-devices whereby tasks and events are executed based on some ... (more)

8
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Last activity 2017-11-18 18:42:14 +0200 by Dennis German

nRFconnect: My firmwares : how to rename/delete/subfolder

I have many files in the My Firmware directory(?). How do I delete some? How do I rename one? Can a subfolder be created?

10
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Last activity 2017-11-18 16:49:34 +0200 by fab

DFU bootloader prevents to load app hex

Hi all,

I am on the DK-52 with the SDK 13.0.0.

After erasing the device, I follow this steps:

1) upload the softdevice

nrfjprog --reset --program s132_nrf52_4.0.2_softdevice.hex --family NRF52

2) upload the bootloader (bootloader_secure_ble)

nrfjprog ...
(more)

48
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Last activity 2017-11-18 12:59:36 +0200 by Quest Jelinek flag of United States

nRF52840 Template Project for USB and BLE

With SD140 v6.0.0.6 having been released, will an accompanying example project that demonstrates simultaneous use of BLE and USB be released? Will this be included in the next SDK or if one already exists, could someone post ... (more)

13
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Last activity 2017-11-18 11:29:37 +0200 by vikrant8051

PB-ADV & PB-GATT node development using nordic mesh SDK

https://blog.bluetooth.com/management...

The Provisioning Protocol

During provisioning, the Provisioner and the Device to be provisioned communicate using a Bluetooth mesh protocol called the Provisioning Protocol. The Provisioner may use the Provisioning Protocol over either of the PB-ADV ... (more)

12
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Last activity 2017-11-18 04:57:58 +0200 by Jeff

SES 3.3 nRF52DK Blinky - basic newbie issues

Installed SES, nRF Go, & SDK.
Programmed s132_nrf52_5.1.0_softdevice.hex

Imported the example. Compiles nrf52832_xxaa_s132 Internal. Launches and gets to memory check

... asked and answered many times. I understand what needs to be done, just not WHERE to do it ... (more)

10
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answers
Last activity 2017-11-18 03:10:34 +0200 by KaiserYamate

Show a big array using nrf_log module

I use Hercules software to show debug string . Now I want to show an array which have 3000 element. How can I do that?

14
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Last activity 2017-11-18 00:58:53 +0200 by Aaron

nRF Connect iOS DFU fails for unbonded buttonless DFU service.

I had initially added ble_dfu buttonless DFU support (unbonded) to my app per instructions here: http://infocenter.nordicsemi.com/topi...

Long story short, based on that documentation, I added ble_dfu_buttonless_init() to my app but didn't add ble_dfu_buttonless_async_svci_init() which isn ... (more)

9
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answers
Last activity 2017-11-17 22:12:43 +0200 by Jason Hendrix

Multiple DFU Transports

More of a suggestion than a question:

Using the info available on the infoCenter, especially here and here, I'm trying to implement a way to dynamically select the DFU transport to be used. I was able to build my ... (more)

18
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Last activity 2017-11-17 22:00:04 +0100 by jublin

FreeRTOS on thingy52

Has anyone tried porting over on of the FreeRTOS examples for the nrf52 sdk onto the Thingy?

I see that it has the port in external/sdk13/external/freertos, but don't see any references anywhere to it.

If it ... (more)

17
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Last activity 2017-11-17 20:16:04 +0200 by Don Schoppe

Monitor mode debug w/ nRF52840, SES 3.3, SDK14.1.0, BLE S140

Hi,

Is anyone successfully using MMD with the nRF52840 PVK, SES 3.3, recent SDK (e.g., 14.1.0) and S140 softdevice?

I followed the steps in this blog post both on Win10x64 and under Ubuntu 16.04x64, but ... (more)

14
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Last activity 2017-11-17 19:22:49 +0200 by Torsten Robitzki

Softdevice Update Procedure

Hello,

For the softdevice update, is it the responsibility of the bootloader to make sure, that the softdevice was copied correctly?

If for example the bootloader calls sd_mbr_command() and the device powers down during that copy operations. Is it's ... (more)

12
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Last activity 2017-11-17 19:02:15 +0200 by stephens

Key Fob Beacon

Does anyone know of any nRF52832 devices designed for use as a key fob?

The Thingy52 looks great but it's a little big and I don't need all of those sensors. Also, I'd prefer not to develop ... (more)

15
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answers
Last activity 2017-11-17 16:37:31 +0200 by tb_in_sd

IoT SDK 1.0.0 - DFU with IoT File - PStorage?

Hello Dev Zone,

We've been using the IoT SDK 0.9 all year and recently ported to the production release bundled with the SDK 14.1 package.

We have the DFU working with the SDK 0.9, which is ... (more)

6
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answers
Last activity 2017-11-17 15:35:20 +0200 by Kai

nRF24LE1 does not power-up without reset

Hi,

I have a nRF24LE1 development kit and a starter kit. If I turn the power off and turn the power back on using the power switch S9 on the motherboard. The nRF24LE1 chip does not power-up. I need to ... (more)

11
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Last activity 2017-11-17 15:19:06 +0200 by Andy

Cannot jump to application from bootloader, bootloader crashes/freezes

Hello,

I added an extra opcode to the DFU Control Point characteristic so that I can jump to the main application by writing to it. The problem is that whenever I do that, the bootloader freezes (it doesn't reset ... (more)

14
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no
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Last activity 2017-11-17 14:06:04 +0200 by CurtisHx

Do interrupts needs to be disabled before erasing / writing flash?

The NVMC documentation states the CPU is halted while the NVMC is writing or erasing flash. If the CPU is halted, then interrupts shouldn't need to be disabled during flash operations, correct? I'm asking because other micros will ... (more)

20
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Last activity 2017-11-17 13:59:15 +0200 by nikunj8086

how to connect nordic thingy 52 with ble central example ?

i want to connect Nordic thingy to a nrf 52840 soc with ble central example.

all i want to get is thingy environment service and get temperature and humidity values on ble central device.

please, help me out how to do it.

14
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no
answers
Last activity 2017-11-17 13:59:08 +0200 by schef flag of Croatia

SPI from BLE event

Hi, I am using SDK14.1 with nrf52832 and want to write to eeprom memory over SPI from BLE characteristic call.

My spi module works and everything was working fine until i tried to write something to eeprom over BLE ... (more)

14
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Last activity 2017-11-17 12:46:32 +0200 by purgoufr

How to reinitialize advertising ?

Hello, I use nrf51822 , sdk 8.0.0, s110

I defined advertise interval and timeout

#define APP_ADV_INTERVAL                         320              
#define APP_ADV_TIMEOUT_IN_SECONDS      3

Also, I write advertising init function at below;

static void advertising_init(void)
{

   .
   .
   .

    ble_adv_modes_config_t options = {0};
    options.ble_adv_fast_enabled  = BLE_ADV_FAST_ENABLED;
    options ...
(more)

8
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Last activity 2017-11-17 12:28:09 +0200 by victor_CHINA

Question about nrf_drv_pwm_simple_playback based thingy52

I am build a sound client project

when I received the data from the thingy52(which is sound server device)

the I play the sound by function drv_speaker_ble_pcm_play directly without use the drv_speaker_tone_start function

the result has so much noise ... (more)

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  • Total questions: 27082