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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)

49
views
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)

33
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no
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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..

71
views
2
votes
1
answer
Last activity 2017-07-07 08:59:41 +0200 by endnode

NRF52832 - real time tasks(CAN Open)

Would it be advisable for system design to use CAN(CAN Open) and BT simultaneously on nRF52832 IC?

Why this bothers me is because capabilities of nRF BT MCU's are growing both in processor power and memory size, but ... (more)

117
views
no
votes
1
answer
Last activity 2017-06-14 09:59:56 +0200 by Bjørn Spockeli flag of Norway

DFU update from SDK 11 to SDK 12 - app and bootloader

Hi

I have working application on SDK 11, contained with bootloader, softdevice 130 and application using BLE. Is it possible to upload new application and softdevice from SDK 12 to exisiting via DFU? I know that legacy bootloader can not ... (more)

186
views
5
votes
1
answer
Last activity 2017-05-08 08:18:18 +0200 by gimc

Softdevice vs non-Softdevice

Hi,

I would like to know which is the difference between using a Softdevice or not.

Looking at the blinky example, the two versions are provided. The "main.c" file is the same for both and the only different files ... (more)

145
views
4
votes
1
answer
Last activity 2017-03-20 13:56:34 +0100 by Kristin flag of Norway

Does SoftDevice S130 V.2 have limitation in L2CAP_MTU size by 23 bytes?

Hello,

I want to clarify one thing related to the limitaion in SoftDevice S130 V.1 of L2CAP_MTU size by 23 bytes. Is any way to extended it?

Because I see that changes BLE_L2CAP_MTU_DEF higher than 23 follows that sd_ble_l2cap_tx ... (more)

86
views
1
vote
1
answer
Last activity 2017-03-15 09:44:11 +0200 by Daniel T. Lee flag of Korea, Republic of

How to save data persistently(non-volatile) to nRF51 core not effected by powering off and on?

How to save data persistently(non-volatile) to nRF51 core not effected by powering off and on?

(How to save static data persistently without deleted when the core is turned off and on?)

I think there is some kind of an ... (more)

173
views
1
vote
1
answer
Last activity 2017-03-13 10:12:09 +0200 by Jørn flag of Norway

why most of the examples of sdk 12's sdk config file has diffrent options?

why most of the examples of sdk 12's sdk config file has different options?

I'm trying to build an application that has Central and Peripheral Role application (and it needs to relay between two role), but when I ... (more)

162
views
1
vote
1
answer
Last activity 2017-03-12 22:14:37 +0100 by endnode

How to change Peripheral Role to Central Role without having concurrent Role?

How to change Peripheral Role to Central Role without having concurrent Role?

I know S130 Can have 8 Concurrent Role as Central, Peripheral, Observer, Broadcaster.

But I'd like to make one Single Role, not as an concurrent Role.

For ... (more)

234
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no
votes
2
answers
Last activity 2017-03-01 14:49:31 +0200 by Tarik

Flash and debug using eclipse and GNU

Hi,

I used the code ble_app_uart_c on board 10028 as a base for my custom board.

My board is nrf51822 QFAA based so I changed all occurances of nrf51422 to nrf51822 and xxac to xxaa on the makefile. I also ... (more)

76
views
no
votes
no
answers
Last activity 2016-12-08 14:07:04 +0100 by Troels flag of Denmark

Flash SoftDevice won't build

Hi everyone. I've been having a bunch of trouble with the BLE examples being incredibly slow. However, I recently started encountering a problem where the flash file wouldn't compile, and by now it won't compile at all ... (more)

198
views
2
votes
1
answer
Last activity 2016-11-11 11:09:34 +0200 by Leon Loeser

S130 Fatal Error after PPI initialization

When I initialize PPI after timer1 has been initialized I get a fatal error (and reset). Code:

const nrf_drv_timer_t timer1 = NRF_DRV_TIMER_INSTANCE(1);
nrf_ppi_channel_t ppi_channel1;
static void timers_init() {
    nrf_drv_timer_config_t timer_cfg = NRF_DRV_TIMER_DEFAULT_CONFIG;
    timer_cfg.mode = NRF_TIMER_MODE_COUNTER;
    timer_cfg.frequency = NRF_TIMER_FREQ_125kHz;
    NRF_LOG_INFO("Timer init\r ...
(more)

213
views
1
vote
1
answer
Last activity 2016-10-07 15:23:47 +0200 by Eirik Midttun

TDD with SoftDevice

I'm trying to use TDD for my development of a BLE peripheral application, but I'm running into some problems. I'm using Ceedling, CMock, and Unity for my TDD environment, but I'm running into issues mocking the ... (more)

121
views
1
vote
1
answer
Last activity 2016-08-17 14:17:17 +0100 by Håkon Alseth

nRFgo Studio cannot identify SoftDevice V3

The latest 130 SoftDevice V3 cannot be identified by nRFgo Studio (Ver 1.21.2.10). Any fix for this?

nRFgo-SoftDevice.PNG

440
views
2
votes
no
answers
Last activity 2016-06-22 19:30:56 +0200 by sbailes

Adding IRK to whitelist

I have enabled the whitelist feature based on the ble_hids_keyboard example, but when I load the application it is not advertising anywhere. It is paired with my iPhone, but it is still not advertising. How do you add the irk ... (more)

389
views
1
vote
1
answer
Last activity 2016-05-25 14:16:08 +0200 by Petter Myhre flag of Norway

central scanner and mobile device [closed]

I have 2 nrf51-dk with softdevice 130 (one as central, and the other as peripheral), i use sdk v.10.

I have read and follow central tutorial, and all works.

Now, I have modified the code to show the addres ... (more)

815
views
2
votes
1
answer
Last activity 2016-04-20 22:00:27 +0200 by Brook Gebremedhin

Does using pca10028 BSP for a diffrent custom board cause application not work?

I am runing the example on custom board 16k ram, i have configured the linker file correctly as shown below. but all the ble_peripheral application doesnt run (not advertising) after flash. But this examples work find on my other board ... (more)

2k
views
3
votes
no
answers
Last activity 2016-03-18 08:13:15 +0200 by gdou

s130 2.0.0 ROM and RAM settings?

Hi,

I am using a 128KB-rom 16KB-ram nrf51822 and trying to run blinky from SDK 11 with softdevice.

If I load nrf51 S130 1.0.0 softdevice, and use the following in my gcc compiling setting: FLASH (rx) : ORIGIN = 0x1c000 ... (more)

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