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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)

13
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1
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1
answer
Last activity 2018-01-19 02:10:14 +0200 by zn

Switch between paired central devices

I am using nrf51822 with SDK12.3 + S130 as a BLE peripheral device. I want to pair it to multiple central devices and use button to switch between them.

I tried to filter out unwanted central devices from whitelist before ... (more)

20
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no
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1
answer
Last activity 2018-01-12 08:41:39 +0200 by endnode

Determining Data Rx in Multilink Central NUS

I'm working in creating BLE NUS network using 3 NRF51822 FAB, one board has a role as central and 2 other as peripheral. Now I'm able to send string (via BLE NUS) from central to peripheral and vice ... (more)

49
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1
vote
1
answer
Last activity 2018-01-08 17:22:13 +0200 by Petter Myhre flag of Norway

MTU size of nRF52832 as central

Hi, I'm testing nRF52832 central data rate. My SDK version is 14.0.0 and softdevice is 5.0.0. I want to send 200byte from nRF52832 peripheral to nRF52832 central in one packet. And, central device will connect ... (more)

20
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Last activity 2018-01-05 15:47:17 +0200 by SaiTeja

ble_app_uart_c central sometimes not discovering service from peripheral

Hello, I configured nrf52832 as central. I am using ble_app_uart_c example to set the IC as central. And esp32 module is my peripheral. I am able to establish connection and achieved bidirectional communication.

But Sometimes, my central is not discovering ... (more)

34
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Last activity 2017-12-26 10:42:25 +0100 by SaiTeja

Single Central and two peripheral connections

Hello, I would like to establish bidirectional communication between single central and two peripherals. I referred ble multilink central example and made corresponding changes in NUS Uart example.

But my code is not coming out of ble_stack_init() function. I suspect ... (more)

52
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Last activity 2017-12-21 10:44:46 +0200 by Arthur

Fail to add bonding to multilink central example on SDK14.1.0

I am trying to add peer manager to multilink_central example on SDK14.1.0 based on the ble_app_hrs_c example. The code is running on nRF52832 and softdevice S132 5.0.

It can connect to a peripheral running ble_app_blinky (also add ... (more)

28
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1
answer
Last activity 2017-12-20 13:22:00 +0100 by anna

The cental device connect to a hid

Hi

I want to make a dongle which can connect to and communicate with HID .if the peripheral is a HID(eg gamepad ,consumer or mouse ),the central device how to communicate to it ?If the peripheral is not a ... (more)

19
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2
answers
Last activity 2017-12-18 09:24:03 +0100 by anna

Central can't find primary service successfully

Hi,nordics

I failed to find primary service successfully .The sdk version is 10.00 and I reffered to the example is ble_app_uart_c_s120.The pripheral is a gamepad .I can connect to the gamepad successfully ,but I can't find ... (more)

45
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no
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2
answers
Last activity 2017-12-13 07:34:10 +0200 by Jiming

Why ble_app_uart_c stops scanning after some time?

Hello, I am running ble_app_uart_c example on nrf52832 IC. It is connecting to its corresponding peripheral and I achieved bidirectional communication.

The problem is, if peripheral is not available for long time(4 to 5 hours), my central device stops ... (more)

52
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no
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1
answer
Last activity 2017-12-08 11:01:33 +0200 by eyalasko

JLink fails to program PCA100028

Hi,

All of a sudden (isn't it always the case :) the JLink debugger fails to flash the app code to the dev kit (PCA100028) The Project's softdevice is flashing well without any problem and so does sample projects ... (more)

30
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Last activity 2017-12-07 23:18:04 +0200 by eyalasko

Adding RTX support to an existing BLE central project

2017-12-07 22_28_04-D__Users_Eyal_myWorkspaces_KeilMDK_ble_peripheral_ble_app_hrs_rtx_pca10028_s130_.png

Hi,

I've developed a BLE Central app based on the SDK HRS collector example (ble_app_hrs_c_s130_pca10028).

I would like to add RTX support to the project. I've tried to clone the only example in the SDK ... (more)

71
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1
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1
answer
Last activity 2017-12-04 21:38:00 +0100 by endnode

Two peripheral connection with ble_uart_app_ c example

I would like to have one central and two peripheral connection. Ad functionality required is same as NUS UART Example. But the example code connects to only device. Can any one tell what changes are need to be make in ... (more)

17
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no
votes
1
answer
Last activity 2017-12-04 11:02:40 +0100 by Martin Børs-Lind flag of Norway

find_adv_name() errors

The function find_adv_name() found multiple time in BLE central examples is using the global variable m_target_periph_name instead of the parameter name_to_find. There is also some instance of the function checking the size of the name but some other are missing the check.

41
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no
votes
1
answer
Last activity 2017-11-29 08:30:31 +0200 by endnode

how to get active beacon list

Hi,

I have 5 nrf52832 and nrf52851 beacon boards. All nRFs working in the beacon mode. They all in the same room. I tring to get a list of the active beacons the module can detect. And send the list ... (more)

99
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no
votes
2
answers
Last activity 2017-11-16 18:06:02 +0200 by Ben

nRF52832, STM32 Central w/ Serialization not scanning [closed]

I'm trying to implement a BLE Central device on an STM32 using Serialization to connect with an nRF52-DK board; I've previously gotten a BLE Peripheral working on the same setup (in this case I'm not trying to ... (more)

173
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1
vote
3
answers
Last activity 2017-11-16 10:47:43 +0200 by strengthstrong

NRF52832 Maximum number of central links

HI, I found that the maximum number of connections 52832 can only be 15 connections, like this

// <o> NRF_SDH_BLE_CENTRAL_LINK_COUNT - Maximum number of central links. 
#ifndef NRF_SDH_BLE_CENTRAL_LINK_COUNT
#define NRF_SDH_BLE_CENTRAL_LINK_COUNT 15
#endif

When I set up more than 15 when the compiler ... (more)

43
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no
votes
1
answer
Last activity 2017-11-15 07:49:31 +0100 by endnode

What is the latency between central and peripheral communication?

Hello, I am using ble_app_uart_c and ble_app_uart example for data transmission between central and peripheral. I am able to transmit data successfully. I would like to know the time difference between transmission and reception. Are there any methods to find this?

92
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2
votes
2
answers
Last activity 2017-11-12 18:42:26 +0100 by Carlos Delfino flag of Brazil

Where to buy pre-programmed Nordic modules with UART interface acting as central/peripheral ?

I'd like to buy a large amount of Nordic modules with Central and peripheral function with UART interface (similar to HM10 which is based on TI). The purpose is to build a MESH network. Are there manufacturers that can ... (more)

42
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2
votes
1
answer
Last activity 2017-11-09 03:37:41 +0200 by SaiTeja

Custom nrf52832 board not recieving data in central role

Hello , I am using nrf52 Dk and nrf52832 custom board for testing ble communication. I am using ble_app_uart and ble_app_uart_c examples to test ble communication. In my custom board , I connected P0.6 to Rx of CP2102 and P0.8 ... (more)

56
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1
vote
1
answer
Last activity 2017-10-24 17:04:56 +0100 by AR

sd_ble_gattc_write for enabling notification results in busy for second call

Hi, I am trying to add a notification charactersitics on client, I am able to add one of them, but when i try to add another one sd_ble_gattc_write(), result is always NRF_ERROR_BUSY. I am calling this cccd_configure() with same conn_handle ... (more)

61
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no
votes
1
answer
Last activity 2017-10-11 05:34:07 +0100 by Jonathan

Where can i find nrf51822 firmware?

Anyone know how to put the nrf51822 firmware again? I made an update and deleted it from the kit. Where can I find it?

Thanks

142
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no
votes
2
answers
Last activity 2017-10-05 01:03:15 +0200 by Krzysztof Zaraska

NRF52 pair to NRF52 using NFC possible?

I would like to know if it's possible to pair two NRF52832 together using NFC. NOT an android phone to an NRF52, but a central NRF52 standalone connect to a peripheral NRF52 standalone. Can the NRF52 generate RFID tag ... (more)

48
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no
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no
answers
Last activity 2017-10-01 04:49:08 +0200 by phob

NRF51822 sometimes not working

Hi, I am using NRF51822 and sdk12.2. I am using Softdevice s130 with peripheral experiment_ble_blinky example. I have merge UART example in this and it is working fine.

Yesterday i flashed and it was working perfectly. Even i connected ... (more)

31
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1
vote
1
answer
Last activity 2017-09-29 20:59:57 +0200 by endnode

Softdevice suitable for multilink central NRF51822

Hi, I am using NRF51822 and GCC compiler. I am using softdevice S130. SDK 12.2. I want to receive the data from Peripheral that is one way only. I want to use multilink central application on NRF51822. When i ... (more)

137
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no
votes
1
answer
Last activity 2017-09-18 15:58:51 +0200 by Joakim Jakobsen flag of Norway

NRF_LOG and UART not working simultaneously

Hi,

I am using experimental_ble_app_blinky example. In that NRF_LOG over UART was implemented. I Added some UART code for my use. But after flashing code was not working at all. Printf and NRF_LOG_INFO was not working simultaneously. Then i commented ... (more)

67
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no
answers
Last activity 2017-09-15 01:15:16 +0200 by x_mike

Central whitelists with peer manager under FreeRTOS

Hi Nordic,

I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.

What I see:

  • central app crashes (hardfault), when peer manager is passed a non empty white list (loaded ...
(more)

72
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1
vote
2
answers
Last activity 2017-09-12 18:26:16 +0200 by phob

can NUS work with ble_app_multilink_central

hi, I found ble_app_multilink_central example under SDK but this is for LED button application.

Is it possible to configure the same example for NUS?

I worrying about data sharing. As Button and led don't share data and it is ... (more)

80
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no
votes
1
answer
Last activity 2017-09-11 11:24:24 +0100 by Petter Myhre flag of Norway

central HID function(nrf51 or 52)

Hi

I need use nrf51 or nrf52 to do the function . central HID .

have any source ?

Thanks.

200
views
2
votes
1
answer
Last activity 2017-09-08 09:48:21 +0200 by sam

NRF51822 IRAM1 Settings (multilinkCentral Projects)

Hi, Im using Nrf51422 DK board. When I try the ble_app_multilink_central example in the SDK12, it works on the DK board. But it does not work in NRF51822. (NRF51822 QFAA)

I tried the settings on this link but it ... (more)

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