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Last activity 2017-10-18 00:57:33 +0200 by Rajneesh

nRF51 DFU for BLE_central example

Hello Everyone,

Is there any example code is available which supports DFU in central mode for nRF51 devices?

Any help will be appreciated.

Thanks

Regards,

Rajneesh

29
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no
votes
no
answers
Last activity 2017-10-16 09:19:43 +0200 by Jørn flag of Norway

can not disable Rx or TX

i need to disable RX when data was transmit and enable RX again when data transmit complete. i tried :

NRF_UART0->TASKS_STOPRX = 1;
NRF_UART0->TASKS_STARTRX=1;
NRF_UART0->TASKS_STOPTX=1;  
NRF_UART0->TASKS_STARTX=1;

( i use SDK11 pca10028) but nothing happend,i still ... (more)

24
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no
votes
1
answer
Last activity 2017-10-04 10:40:28 +0200 by Jørn flag of Norway

Peer Manager in SDK 11

Hi,

I am working on an application that needs to use pairing/bonding. I am incorporating peer manager into the project. I have included in Makefile paths the following:

$(SDK_ROOT)/components/ble/peer_manager\
$(SDK_ROOT)/components/libraries/fstorage \
$(SDK_ROOT)/components/libraries ...
(more)

43
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no
votes
no
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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)

24
views
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)

44
views
1
vote
1
answer
Last activity 2017-08-21 23:36:40 +0200 by endnode

doubt on central and peripheral device

Hi, I am using SDK v12.2 and gcc compiler. S132 softdevice for nrf51822 controller. And i am using s132 softdevice. I want to connect multiple nrf51 devices (approx. 14) for sharing data among themself. So, i think i will ... (more)

31
views
no
votes
no
answers
Last activity 2017-08-16 09:07:24 +0200 by ChaitanyaP

SPI not working in infinite loop

Hi experts

I am trying to interface an external ADC to NRF51-DK i am presently reading SPI ADC code values on BUTTON press event. I am able to read the values from ADC properly on button press.

I want to ... (more)

63
views
1
vote
1
answer
Last activity 2017-08-14 07:58:46 +0200 by RohanKadam

Problem with system off mode and stopping advertisement [closed]

Hi,

Most of the sections of my application are functioning as I want it to, except these two (step 3 and step 4).

Application:

  1. Connect device (with Auto connect enabled)
  2. Transfer data using nus service from peripheral to central device ...
(more)

77
views
1
vote
1
answer
Last activity 2017-08-01 00:55:49 +0200 by RK flag of Singapore

Adding multiple base UUIDs

Hi,

There are similar questions posted, but none of them have able to help me out.

I am trying to add multiple base UUIDs in order to create 128-bit UUIDs for my characteristics that increment the LSB starting at a ... (more)

60
views
3
votes
2
answers
Last activity 2017-07-24 16:33:24 +0200 by KasemC

Error 0x3401 on sending advertising packets

Hello,

I am currently working on project that uses BLE peripheral and BLE central for automatic sensor calibration on custom board. There is an initial connection where both central and peripheral connect and successfully communicate data on notification characteristic from ... (more)

66
views
no
votes
2
answers
Last activity 2017-07-17 08:02:15 +0200 by Martin Børs-Lind flag of Norway

How to use TWI with BLE to transfer MPU6050 data

Hi,

I am developing on NRF51822 custom board but I had a problem on how to init TWI driver to communicate with MPU6050.

In short, when receiving a BLE_CONNECTED event I trigger a TIMER wih rearming every 2second. Within the ... (more)

37
views
no
votes
no
answers
Last activity 2017-07-07 05:08:38 +0200 by hwa

Why am I uploaded an application through UART, but the application does not run when the device is reset.

I debug the DFU Bootloader through UART,I am sure the APP code is complete updated,but the application does not run when the device is after bootloader to auto soft reset,but,the power on reset or pin reset ... (more)

52
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no
votes
no
answers
Last activity 2017-07-01 04:43:17 +0200 by morteza1994

ds18b20 for nrf51822 in keil [closed]

one wire library for nrf51822 With example tnx

84
views
1
vote
1
answer
Last activity 2017-06-30 10:59:13 +0200 by Jørgen Holmefjord flag of Norway

s110 vs s130 for SDK11

i am total beginner to the nrf51822. i am going through the nan-36_v1

app note is using s110 but i can't find that soft device in sdk ? is there any changes has to be done if i followed the ... (more)

94
views
4
votes
1
answer
Last activity 2017-06-09 09:16:49 +0200 by RohanKadam

How to trigger DFU OTA ? (for custom application with dfu services enabled)

I have merged all the 4 file's together (app.hex, app_valid_settings.hex, softdevice.hex and dfu.hex). Then I uploaded the custom app with dfu services enabled using nrfgo Studio. (Custom app = UART example) The board starts advertising and ... (more)

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