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Last activity 2017-11-14 18:03:07 +0200 by endnode

How to configurate SoftDevice RAM usage?

I am working on nRF51422 with SDK 12.3.0, S130 v2.0.1, Keil C.

I got a problem in initialization my custom service. When I add some characteristic to SoftDevice, it returns NRF_ERROR_NO_MEM. I have some RAM space ... (more)

34
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no
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no
answers
Last activity 2017-11-14 17:05:06 +0200 by Sansei

Nrf51822 stops handling GPIOTE->PORT interrupts

Hi engineers, Here we are facing a critical problem in which the NRF51822 stops handling/processing the GPIOTE->PORT interrupts after some days good working. This problem is occurring randomly whereby our system will stop working completely. Then, we have ... (more)

25
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no
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no
answers
Last activity 2017-11-06 11:40:28 +0200 by Trong-Nghia Cheng

How to reconfigure/reset BLE? nrf 51822 - sd s130 2.0.1

Firstly the develop environment.

Windows 10 KEIL as IDE Device: nrf 51822 - sd s130 2.0.1 - SDK 12.1 nRF5_SDK_12.0.0_12f24da.zip

Use case: We have 2 application mode for BLE

Application 1 (using a 3th. framework): only ... (more)

23
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no
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answers
Last activity 2017-10-27 13:49:26 +0100 by mc

2 buttons and 2 leds central to peripheral

Hello we have a project: Peripheral: experimental ble_app_blinky. Central: experimental ble_app_blinky c. With 2 buttons and 2 leds. We can push the button 1 or 2 on the peripheral and the "correct" leds toggel on the central! Peripheral to central ... (more)

73
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no
votes
1
answer
Last activity 2017-10-27 10:42:51 +0200 by Bjørn Kvaale

does Thingy:52- pca20020 support Ble mesh??

Hi, I purchased Thingy:52 I want to develop ble mesh n/w application on Thingy:52.is it possible that I get any sort of support from you in this context.

34
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no
votes
1
answer
Last activity 2017-10-26 13:01:04 +0200 by Bjørn Spockeli flag of Norway

when merge all hex one file. How to make it default not jump DFU mode?

Hi Community,

For community's help I success to create 12.3.0 DFU version get work.

So now I try to make all hex(softdevice, bootloader, application) to one hex file. Use merge.exe to do this. It's ... (more)

39
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1
vote
1
answer
Last activity 2017-10-25 14:45:14 +0100 by Jørn flag of Norway

Add a supplemetnary button and led on Blinky exemple

Hello, we have a project on: Periperal: experimental ble_app_blinky / and Central: experimental ble_app_blinky c We have add suplementary:
LEDBUTTON_LED4 ( BSP_BOARD_LED_3) LEDBUTTON_BUTTON2_PIN" (BSP_BUTTON_1) For the moment when we push "button2" or "button1" on the peripheral, everytime the same "led 3" is ...
(more)

58
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no
votes
1
answer
Last activity 2017-10-25 11:12:12 +0200 by SørenHN flag of Denmark

Combining mesh beacon example and light switching server example returns error?

I am writing a mesh beacon application based on Mesh SDK v0.10's beacon and light switching examples. A very kind Nordic employee has provided an example on how to combine the two examples projects. But it causes problems ... (more)

66
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1
vote
1
answer
Last activity 2017-10-24 09:30:49 +0200 by emdi

How to create persistent variable?

I want to keep the value of the variable even if there is power interruption or reset in the system. That's why I want to create persistent variable in main. Do I need to use pstorage for this, or ... (more)

49
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no
votes
1
answer
Last activity 2017-10-18 13:22:35 +0200 by Martin Børs-Lind flag of Norway

How can I prevent system reset?

Hello, I created a timer that runs the scan_start function at certain intervals.And I put this timer in the for loop.

static void scan_timeout_handler(void * p_context)
{
    scan_start();
}

static void timers_init(void)
{
    uint32_t err_code;

  // Create timers.   
    err_code = app_timer_create(&start_scan_timer_id,
                                                            APP_TIMER_MODE_SINGLE_SHOT ...
(more)

48
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no
votes
1
answer
Last activity 2017-10-18 12:24:28 +0200 by Bjørn Spockeli flag of Norway

SDK 12.3.0 DFU service not work

Hi Forums,

I work 51822 custom board.

I try to add Buttonless DFU so I test the "experimental_ble_app_buttonless_dfu" compile is good.

But flash to the board can't find DFU service on NRF Connect tool.

I search online then find ... (more)

28
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1
vote
no
answers
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

73
views
1
vote
1
answer
Last activity 2017-10-16 13:24:31 +0200 by Thomas Stenersen flag of Norway

Wrong board in nRF5 SDK for Mesh v0.10.0

Hello,

I am having troubles to run the light_switch example from the nrf5_SDK_for_Mesh_v0.10.0.

I am using PCA10028 boards with nRF51822. I didn't modify anything in the SDK.

I did erase the content on the board, program the ... (more)

49
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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)

59
views
1
vote
1
answer
Last activity 2017-10-14 00:11:43 +0200 by akash

softdevice taking more RAM on SDK 12

Hi,

1) In the newer versions of NRF 5 SDK (sdk10 vs sdk12), does the softdevice takes more RAM? I am using nrf51822 (qfaa) and sdk 12.3. with softdevice s130_2.0.0.1. I want to use 1 peripheral ... (more)

39
views
2
votes
1
answer
Last activity 2017-10-13 17:02:56 +0200 by Wojtek

DFU secure bootloader loads softdevice in application area [closed]

Hi,

I used command:

nrfutil pkg generate --softdevice s130_nrf51_2.0.1_softdevice.hex --hw-version 51 --key-file private.pem sd130v2.0.1_update.zip

to generate package for only softdevice update (nrfutil version 3.3.2). Next I used nRF Connect to update ... (more)

47
views
no
votes
1
answer
Last activity 2017-10-11 11:15:47 +0200 by milav flag of India

BLE_app_uart issues

main.cble_uart.hex Hello,

I use nRF5_SDK_11.0.0_89a8197 and s130_nrf51_2.0.0_softdevice configuration to test the ble_uart program.

i use nrfgo Studio to load the soft device and application in custom ble hardware.

I use nRF51822_xxAB ble chip ... (more)

31
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no
votes
no
answers
Last activity 2017-10-05 18:08:23 +0200 by Darrew

Why are discoverable modes not permitted with Whitelisting?

On this question it is said: "Error code 0x3201 means BLE_ERROR_GAP_DISCOVERABLE_WITH_WHITELIST: Use of Whitelist not permitted with discoverable advertising."

Why does example ble_app_hids_mouse (SDK v12.3.0) advertise with

    adv_flags                       = BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE;

and has Whitelist

    options.ble_adv_whitelist_enabled      = true;

enabled?

33
views
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)

44
views
no
votes
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)

25
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)

61
views
no
votes
no
answers
Last activity 2017-09-24 23:02:41 +0200 by julienh

Application crash after disconnection

Hi,

I have an application with an accelerometer. This one communicate in I2C (TWI ). The accelerometer send a "data ready" signal every 20ms. I'm using the GPIOTE module to detect this signal and read the acceleration (I2C).

Each time ... (more)

118
views
no
votes
1
answer
Last activity 2017-09-22 16:23:14 +0200 by Jørgen Holmefjord flag of Norway

light control mesh example not working

I'm trying to set up a ble mesh with 3 servers and 1 client on an nrf52 PCA10040 dev kit. Upon debugging, I'm getting an error that says: '64, APP_ERROR: C:\Users\sesa463145\Desktop\BLE\nrf5_SDK_for_Mesh_v0.9.2-Alpha ... (more)

56
views
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)

55
views
1
vote
1
answer
Last activity 2017-09-11 17:49:09 +0200 by endnode

sd_ble_gattc_read during service discovery process

Hi,

I have a problem with (128 bit) custom service discovery... I have following setup; nrf51 with s130 in central role and Thingy with default FW.

In function on_primary_srv_discovery_rsp, I added check if discovered uuid.type is unknown then I ... (more)

105
views
1
vote
1
answer
Last activity 2017-09-11 16:00:15 +0200 by endnode

BLE custom service transferring file

Hello there, I am a beginner, i want to know what changes should i make in the already existing example "ble_app_uart" so as to make my nrf51 development kit able to transfer and receive ".txt files" over ble.

Thanks in advance. Regards

176
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)

130
views
1
vote
2
answers
Last activity 2017-08-31 15:43:31 +0200 by SørenHN flag of Denmark

Hard Fault when using bluetooth mesh examples

When programming the bluetooth mesh light control demo example found in the bluetooth mesh SDK, i get this error using J-Link RTT Viewer:

0> <t:          0>, main.c,  116, ----- BLE Mesh Light Control Server Demo -----
0> <t:       1391>, main.c ...
(more)

33
views
no
votes
no
answers
Last activity 2017-08-31 05:30:09 +0200 by Anonymous

flash programming not possible with softdevice nrf51822 aa

I want to program my nrf51822 aa module but when any softdevice has been already programmed, it doesn;t work..

it says error of erase failed.. flash download failed cortex m0 error..

any help will be appreciated..

32
views
no
votes
1
answer
Last activity 2017-08-29 18:08:24 +0200 by Petter Myhre flag of Norway

Multiple-packet notifications for nrf51?

Using the ble_app_uart example on the nRF52 PDK, I can easily send multiple packets per connection interval--if I send a long string using ble_nus_string_send(), the notification consists of multiple packets.

When I try to do the same on SDK 12 ... (more)

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