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Last activity 2018-01-19 10:58:00 +0200 by Martin Børs-Lind flag of Norway

Erase multiple pages not working(nrf51822)

I want to erase selected pages from the NRFflash memory (Not whole flash).

I have defined one function for NRF memory erase. In that, I have followed following sequence of operations:

for (Number of page erase) {

  1. Set NVMC mode: Erase ...
(more)

24
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answers
Last activity 2018-01-18 15:25:13 +0200 by Hust

nrf51822 TIMER 1 and TIMER 2

In timer example in sdk 11, I replace the Timer 0 by timer 1 and timer 2 but the LED did not blink. Can you guys please guide me through this? In nrf_drv_config.h I have already replace:

#define TIMER1_ENABLED ...
(more)

26
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answers
Last activity 2018-01-18 12:09:10 +0200 by chocol8

Whitelist disconnection problem

Hello,

My setup is: ble_uart_app example, custom board with nrf51822, sdk 6, s110, nrf connect for pc.

I am advertising with my peripheral device. Whitelist is being applied to connections. I am able to connect to the devices which static ... (more)

12
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answers
Last activity 2018-01-17 21:15:17 +0200 by oliverpoc

Flashing light when connect my nRF51 board with computer

It worked before when I connected my nRF51 board to my windows 7 computer. The green light is on. But today when I connect them the light is blinking rapidly and there is no connection. In nRFgo studio it shows ... (more)

42
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answers
Last activity 2018-01-17 20:09:19 +0200 by puff

err_code symbol not found error when debugging in segger?

When debugging a project from here https://devzone.nordicsemi.com/tutori... (the ready code from github) Segger Embedded Studio shows err_code sybol not found message in Watch winow, when I try to debug gap_params_init(), however, in other calls before it ... (more)

23
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Last activity 2018-01-17 16:27:24 +0200 by Matej

scan response on undirect advertising with whitelist

Hi guys,

I'm playing around with advertising with whitelist and filter policy setted to both... And everything works as expected...

All central devices are able to see advertise messages but not scan responses - because they are filtered out... Once ... (more)

16
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Last activity 2018-01-17 10:39:48 +0200 by GK

nrf51822 BLE HID connection issues with windows 10

Hai,

We are trying to implement BLE HID Keyboard application using NRF51822. but we are facing the below issues with a windows 10 system acting as the central:

  1. when reset the nrf51822 it is not able to reconnecting the earlier ...
(more)

35
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answers
Last activity 2018-01-16 20:55:39 +0200 by clifton

Connecting nRF51 with Windows 10 Bluetooth

We have a custom hardware device that uses the nRF51 and the S130 softdevices. We are able to connect our device to our app on iOS and Android and through a web-bluetooth application on Chrome OS and Mac.

We are ... (more)

44
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no
answers
Last activity 2018-01-16 17:40:43 +0200 by Chris Hunt

NRF51822 reset handler

Hi all,

I'm having a bit of trouble figuring out why my project using the RedBearLab BLE Nano board is not working. I'm using the NRF51822 as the hub in a star network using the ESB protocol. The ... (more)

24
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answers
Last activity 2018-01-16 10:16:53 +0100 by Matej

undirect advertising with whitelist and peripheral name

Hi guys,

I’m using nrf51822, s130 and sdk 12.3.0…

I would like to achieve that unknown peripheral won’t find my product or at least differentiate by device name while I’m advertising with filter policy set ... (more)

36
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no
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answers
Last activity 2018-01-16 09:12:33 +0200 by Amy

how to handle PM_EVT_PEER_DATA_UPDATE_FAILED

Hi,

We use SDK14.0 with S132 v5.0.0 on a custom board with nRF52832. In our application using a lot of flash operation, and we found the error PM_EVT_PEER_DATA_UPDATE_FAILED usually happened when having flash operation. Further, we find ... (more)

32
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answers
Last activity 2018-01-16 07:37:21 +0100 by akash

using dht sensor in nRF51822

I am trying to use a dht sensor and arch ble device to display temperature on the console. But when I flash the program on to the board, I cant see the output on the console. What should I do ... (more)

30
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answers
Last activity 2018-01-13 21:57:21 +0200 by vam5104

Reading Force sensing resistors values via ADC of nrf52DK

Hi,

I need to make two FSRS to read and display the output simultaneously. So, initially I had to get the ADC values from two analog pins at the same time. After struggling a bit, I was able to get ... (more)

30
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answers
Last activity 2018-01-12 11:48:22 +0200 by puff

Help import blinky project from NRF5_SDK11 to SES

Hey! Using osx, SES 3.30, importing experimental_ble_app_blinky example from nRF5_SDK_11.0.0_89a8197 to be used with NRF51822 chip. When importing I chose pca10028/s130/iar directory. (BTW, what is pca10028 and what's the difference between s130, ser_s130_hci, ser_s130_uart ... (more)

30
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answers
Last activity 2018-01-09 10:50:21 +0200 by liu

NRF51822 adv stop and restart in beacon mode

hello, I want to make a beacon with NRF51822 chip. But now i have a trouble: In normal working mode, after i stopped the advertising with sd_ble_gap_adv_stop() ,i cann't restart it with advertising_init() and advertising_start(). The chip is restarted every time.

59
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answers
Last activity 2018-01-08 23:16:59 +0100 by Matheus Xavier

Connection problem Nrf51822 Smart beacon kit and ST-LINK V2 (serial communication problem)

I have a nRF51822 smart beacon kit and a ST-LINK V2. I read the documentation found on nordic's website, downloaded all the programs that the documentation requested etc. Unfortunately I can not connect to it on the computer, I ... (more)

12
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no
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answers
Last activity 2018-01-04 20:49:54 +0200 by Mark Freeman

Is Direct Test Mode supported for nRF24LU1+ in nRFgo Studio?

I didn't see reference to it in documentation nor in the application help files.

55
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answers
Last activity 2018-01-03 12:59:58 +0200 by Petter Myhre flag of Norway

ble disconnect

I am using nRF 52832 (softdevice v2.0). I am writing a code to get data via SPI and then transmit over BLE.

I have written my code and SPI is working perfectly.

But the connection with the BLE gets ... (more)

45
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no
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no
answers
Last activity 2017-12-30 11:00:39 +0200 by dhiraj_gehlot

Writing Data to Flash without Pstorage module

Hello Guys,

I am newbie to nrf51822 programming. Currently using nrf51822 (raytac's MDBT40) with S130, SDK11. I am programming the nrf51822 using arduino IDE using this github repo: https://github.com/sandeepmistry/ardu...

I want to store data such ... (more)

216
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answers
Last activity 2017-12-29 12:43:59 +0200 by Torbjørn Øvrebekk

The conneted slave disconnects after some seconds after connection with the reason 8 "connection timout"

Hi averyone, We are developing the BLE project whith two devices master/slave.

The master device is built on the NRF52832 processor with SDK14.1 and it's program is built is the modified example "ble_app_hrs_rscs_relay" that has the two ... (more)

27
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answers
Last activity 2017-12-29 11:06:32 +0100 by CFF.K

How to setting ideal APP_TIMER_OP_QUEUE_SIZE ?

hi, My program used total 10 app_timers, like this APP_TIMER_DEF(connect_timer_id); APP_TIMER_DEF(scan_timer_id); APP_TIMER_DEF(standby_timer_id);

I don't know how to setting APP_TIMER_OP_QUEUE_SIZE ? (If 10 app_timers need arrange APP_TIMER_OP_QUEUE_SIZE ?)

Because I test app_timers. I arrange APP_TIMER_OP_QUEUE_SIZE=2 when I use ... (more)

32
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no
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answers
Last activity 2017-12-27 05:39:27 +0100 by Palmer

update advertising

Dir Sir, I want update advertising data. But when i called advertising_init again, BLE is stop. I attached my code. Please help.main-advertising.c

34
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answers
Last activity 2017-12-22 22:21:39 +0200 by Sebastien

Undetected NRF51822

Good Day,

I am unable to connect my Rigado BMD-200 (NRF51822) to nRFgo studio using the J-Link EDU Mini. However, using the nRF connect application for Android I am able to see the RigCom BLE transmission. I have connected the ... (more)

30
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no
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no
answers
Last activity 2017-12-21 02:11:55 +0100 by niels

DFU dongle no advertising

Hi all,

I tried to load the DFU example for nrf51822 from SDK12.3 on the dongle(PCA10000). softdevice: S130 2.0.1

I followed the tutorial on: https://devzone.nordicsemi.com/blogs/...

When the bootloader.hex is flashed nothing ... (more)

44
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no
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no
answers
Last activity 2017-12-20 18:36:31 +0200 by leon1d

Application updated over the air doesn't start properly

Dear all,

I have nRF51 DK and I use mbed CLI to build my application that is simple mbed-os-example-blinky. Also I have SDK11.0.0 and I built the ble dfu bootloader (./examples/dfu/bootloader/pca10028/dual_bank_ble_s130/armgcc), merged that ... (more)

46
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no
answers
Last activity 2017-12-20 04:38:43 +0200 by daruei.L

Under good radio env., BLE_HCI_STATUS_CODE_LMP_RESPONSE_TIMEOUT likely(30%) happens

Hello supporters and enthusiasts,

I'm developing a BLE product which mainly works as central role for all scenarios. The steps how the central controls to a peripheral device are very simple.

  1. the central connects to a peripheral device.
  2. the ...
(more)

40
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no
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answers
Last activity 2017-12-19 10:44:01 +0200 by Cesar

how to disconnect HID deivce on the peripheral side?

Hello, My question is when the nrf51822 connect the phone A, I whant disconnect ble on nrf51822 side let the new phone B can scan and connect nrf51822.

when used "sd_ble_gap_disconnect" disconnect the ble, the host(iphone/android phone) whill ... (more)

45
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no
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no
answers
Last activity 2017-12-13 18:05:05 +0200 by Hust

IOS & Android sending bonding request

Hi guys,

I am using nrf51822 with SDK 11 and softdevice S130. I use Just Work bonding with Peer Manager. When I connect nrf51 with the Android phone run NRF Connect, the device will automatically bond to the nrf51 when ... (more)

60
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no
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answers
Last activity 2017-12-09 05:33:21 +0200 by dhiraj_gehlot

Jump to bootloader from application code based on customer register data

Hello Everyone,

I am using nrf51822 256Kb Flash and 32KB RAM Raytac's BLE module with SDK11, S130 with over the air Bootloader (16Kb).

So the aim is that when a particular condition is true, data "1" is written to ... (more)

49
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no
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no
answers
Last activity 2017-12-08 02:00:50 +0200 by ruslan

nRF51822 beacon example on custom board

Hi there,

I'm trying to run the beacon s130 pca20006 example on a custom board. There are 2 main differences between the pca20006 and my board:

  • There is a 32 Mhz oscillator on my board
  • There is no LF ...
(more)

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