RSS
Sort by » date activity ▼ answers views votes

772 questions

Tagged
  • x
18
views
no
votes
no
answers
Last activity 2017-04-29 22:36:23 +0200 by Oguz Emre

ble_mesh flag

Hi,

I want to ask a few question for ble_mesh.

What do these functions do: rbc_mesh_persistence_set(..), rbc_mesh_tx_event_set(..)

Who should do the set operation? Sender or receiver?

I read the document. But will you explain by example?

Thank you

45
views
no
votes
no
answers
Last activity 2017-04-29 02:23:54 +0200 by sue

Do the examples for PCA10028 or PCA10040 work the same for PCA10031? If no what chnages are required for the examples to work for PCA10031

I am trying to run the examples given by Nordic on my nRF51 dongle. Most the examples are for PCA10028 or PCA10040 where as my dongle is PCA10031. I tried running them but i am not able to get the ... (more)

18
views
no
votes
no
answers
Last activity 2017-04-29 01:58:06 +0200 by sue

How to connect and program the nRF 51 dongle for ant

I am trying to find examples for nRF51 dongle P10031. I would appreciate some guidance and help regarding the same. Its my first time using the device.A link to a sample example or question would prove helpful too. Thank you

56
views
no
votes
1
answer
Last activity 2017-04-28 20:16:11 +0200 by Turbo J

RAM related issue / What are the best practices (armgcc, linker) > nRF51 16 kB vs 32 kB

Hello Nordic Team,

I have a question about RAM Related Issue for our program or rather more generally in relation to a board test that we just received and for which, with my astonishment a fairly simple program does not ... (more)

50
views
no
votes
2
answers
Last activity 2017-04-27 23:43:20 +0200 by Jay Tyzzer

nrfgo studio doesn't see my custom board

Hello all,

I am trying to program my custom board using the debug out from the nrf51-DK. I connect all the needed pins and on the nrfgo select the Segger but when I do this my nrf51-DK resets and it ... (more)

36
views
no
votes
no
answers
Last activity 2017-04-25 08:27:02 +0200 by satheesh

data is received as ascii value from UART0. actual value is integer or hex

nrf51 device transmit data as integer or hex value but i have received in end as ascii value. what could i do. any solution?

thanks advance.

67
views
no
votes
1
answer
Last activity 2017-04-24 21:56:32 +0200 by Dima

Bootloader without SoftDevice

Hello

I am building bootloader. I do not use Softdevice and used example from this topic. Bootloader must read FW from uSD card, update flash and jump to application. uSD card is connected to SPI0 of nrf51. SPI1 is used ... (more)

32
views
1
vote
1
answer
Last activity 2017-04-21 15:00:46 +0200 by Jørgen Holmefjord flag of Norway

Running Zephyr beacon sample without dev kit

I'm having issues executing any Zephyr project on a breadboard connected to a ISP1302. It works fine on the nRF51-DK but anything I try a final hardware nothing happens. Tried LED blink, UART comms and now a beacon (because ... (more)

73
views
3
votes
2
answers
Last activity 2017-04-21 08:51:02 +0200 by makerTim

Inversense DMP with nRF51

Hi everybody,

Chip: nRF51422

Board: PCA10028

Firmware: S130_nRF51_2.0.1

I found it really difficult to write DMP driver for nRF51. I've already downloaded motion_driver_6.12 from the official website.

How do I translate it to meet nRF51 APIs ... (more)

33
views
no
votes
2
answers
Last activity 2017-04-21 08:45:40 +0200 by makerTim

nrf51 TWI burst write error [closed]

Hi everybody,

Chip: nRF51422

Board: PCA10028

Firmware: S130_nRF51_2.0.1

The system hangs when doing burst write reg. MPU9255 can work fine if all writes are [reg, data[0]]; How to solve the problem?

uint32_t i2c_write(unsigned char addr, unsigned ...
(more)

82
views
no
votes
1
answer
Last activity 2017-04-20 10:24:28 +0200 by Bjørn Spockeli flag of Norway

Choosing Nrf51 vs Nrf52 for buttonless secure DFU and handling multiple connection

We have these Dev Kit Nrf52 and also Nrf51 Bluetooth Smart Beacon Kit. For our application and for the simplest user experience we would like to benefit from update via OTA. And for a design and Security point of view ... (more)

1k
views
7
votes
3
answers
Last activity 2017-04-18 15:02:41 +0200 by Stian flag of Norway

What would be the best BLE Library or Framework for Raspberry-pi to exchange with nordic

What would be the best BLE Library or Framework for Raspberry-pi to exchange with nordic?

I'm trying to get data from the NRF51's GATT data.
But there are no reference for how I can get data to PC ...
(more)

35
views
no
votes
1
answer
Last activity 2017-04-13 17:13:48 +0200 by makerTim

bsp_button_is_pressed failed to detect the state [closed]

Chip: nRF51422

Board: PCA10028

Firmware: S130_nRF51_2.0.1

void timer_accel_update_handler(void * p_context){
      bool p_state;
  bsp_button_is_pressed(BUTTON_3, &p_state);
  printf("%d",p_state);
  if (p_state == true){
        start_accel_update_flag = true;
      }
}


static void on_ble_evt(ble_evt_t * p_ble_evt){
uint32_t err_code;

switch (p_ble_evt->header.evt_id)
        {
    case BLE_GAP_EVT_CONNECTED:
        err_code = bsp_indication_set ...
(more)

26
views
1
vote
1
answer
Last activity 2017-04-13 05:08:45 +0200 by RK flag of Singapore

nrf51 dongle mbed interface source code

Hi Nordic devzone,

I'm wondering if you guys at Nordic are willing to release the source code for the mbed interface binary for the ATSAM3U2C. The current version of this binary on your site is nrf51822aa_atsam3u2c_if_mbed_V0218_19022015.bin.

Or if ... (more)

316
views
no
votes
2
answers
Last activity 2017-04-12 16:07:33 +0200 by baref007

How do I integrate the nRF51/nRF52 in my Unity based Android Application?

I've been using a HC-05 (bluetooth v2.0) to communicate between my Unity-Android app and my Arduino microcontroller. It's working fine, however, if my prototype continues to advance (or go into production), I want to use the nrf51 ... (more)

522
views
5
votes
3
answers
Last activity 2017-04-12 09:18:46 +0200 by Fine

How to use pstorage alongside a softdevice?

I am wanting to use pstorage for storing a few persistent variables. I am working from the multilink central example, which already is using pstorage for, I assume, saving context. How do I use pstorage without breaking the other parts ... (more)

35
views
2
votes
2
answers
Last activity 2017-04-12 08:52:00 +0200 by Radosław Koppel

Is it possible to download nrf51 sdk 11? Where can I find it?

I'm trying to download nrf5 sdk 11.0.0 version but I can only find version 13 and 12 in the nordicsemi.com. I really need sdk 11.0.0 because some of my sdk 11.0.0 files ... (more)

995
views
3
votes
4
answers
Last activity 2017-04-11 22:04:06 +0200 by mueller

Making IPv6 device available on the internet

Hei

I've gotten the ipv6_coap_server example to run on the nRF51-dongle. I got the bt0 interface after connecting to the device and I am able to ping the device.

My LAN has native IPv6 delivered from my ISP. The ... (more)

77
views
2
votes
2
answers
Last activity 2017-04-11 18:19:48 +0200 by makerTim

nRF51 MPU9255 TWI/I2C READ Failed [closed]

Hi all:

I used code from Github to read 9 axis data with TWI. But the example in TWI floder doesn't work.

Does somebody have the same issue?

Chip: nRF51422

Board: PCA10028

Firmware: S130_nRF51_2.0.1

I have checked ... (more)

28
views
1
vote
1
answer
Last activity 2017-04-11 12:10:00 +0200 by Kyrylo Mikos

Timer0 interrupt inside timeslot not called

Hi, trying to implement timeslot api and stuck with TIMER0.

I saw similar questions but answers is still unclear.

My timer init code:

NRF_TIMER0->MODE = TIMER_MODE_MODE_Timer;
NRF_TIMER0->TASKS_STOP = 1;
NRF_TIMER0->TASKS_CLEAR = 1;
NRF_TIMER0->PRESCALER = 6;
NRF_TIMER0->CC[0] = 1000;
NRF_TIMER0- ...
(more)

60
views
1
vote
1
answer
Last activity 2017-04-11 10:46:15 +0200 by Jørgen Holmefjord flag of Norway

What are the most appropriate code format with FW for building new PCB Boards?

When I just test and build with NRF51-DK there are with BSP Package. such as (pca10028).

But When I make a new PCB Board, Do I have to make my own BSP Package (.h header file) ?

(and Yes My PCB ... (more)

30
views
1
vote
1
answer
Last activity 2017-04-11 08:31:07 +0200 by Jørgen Holmefjord flag of Norway

Do I have any restriction with HW Pinout Peripheral when using s130?

if I use softdevice 130 Enabled, then do I have any restriction with using all of the pinout of NRF51xxx?

Or if I use Nrf-51 DK, Do I have any restriction with nrf 51xxx's full pinout functionality?

To Make ... (more)

33
views
no
votes
1
answer
Last activity 2017-04-10 17:02:32 +0200 by Hung Bui

gattc parameters in sd_ble_gattc_write() for dfu

Hi, I want to turn peripheral device from application mode to bootloader mode from a central device(not app), so I am trying to write value 0x01 to dfu service. Following is the parameters I set for sending message:

uint8_t ... (more)

210
views
2
votes
1
answer
Last activity 2017-04-08 12:37:25 +0200 by endnode

Can I get BLE Other Signal Indicator not just RSSI?

I'd like to collect other device's Signal information for more delicate communication.

For example, Some Peripheral device which is just next to Smartphone (which can interfere signal -> RSSI value changes capriciously) might be scanned by central, but it ... (more)

35
views
1
vote
1
answer
Last activity 2017-04-08 05:22:54 +0200 by RK flag of Singapore

does nrf51 softdevice can connect with specific channel?

As I know, BLE Advertising on 37, 38 ,39 channel and I can select which channel to advertise by masking them.

But, Is it possible to make an data connection to a channel as I want (from 1~38)?

Easily ... (more)

182
views
1
vote
1
answer
Last activity 2017-04-07 16:33:53 +0200 by FredNovalia

nRF51 and nRF52 audio

Hello,

Is there any audio application example for the nRF51 and/or nRF52?

Thanks,

Fred

42
views
no
votes
1
answer
Last activity 2017-04-05 11:38:13 +0200 by Jakub J.

arm-none-eabi-size prints larger bss size than it is according to *.map file

Hello

I came across interesting problem I couldn't find answer to.

In my project bss size printed by arm-none-eabi-size is larger than the value that can be calculated basing on *.map file. Using arm-gcc 4.9 2015q3 + NRF SDK10 ... (more)

54
views
1
vote
1
answer
Last activity 2017-04-05 05:32:59 +0200 by Daniel T. Lee

does UART is interrupted by BLE SEQUENCE?

Q0. What IRQ Priority does BLE Has? and also what IRQ Priority does UART can have?

I'm guessing that from s130's document P65, Exception Model, It says,
Softdevice Timing Critical has Cortex M0 priority 0,
Application Interrupt priority ...

(more)

40
views
no
votes
1
answer
Last activity 2017-04-03 11:12:36 +0200 by Aleksander Nowakowski

[iOS] Reconnecting during full ota update, connect to wrong device

Hi,

we are developing and application on iOS which can among others, update our hardware over the air, and we found out that e.g. after bootloader update is done, then 'iOSDFULibrary' disconnect to the peripheral and connect again to ... (more)

79
views
no
votes
no
answers
Last activity 2017-04-03 09:06:33 +0200 by Rajneesh

mbed nRF51 Real Time Clock

Hello Everyone,

I wants Real Time Clock examples in nRF51 board. Like following link which is implemented on embed microcontroller for nRf51 board.

can any one help me to implement Real Time Clock like above link for Nordic SDK.

Thanks.

Rajneesh

Statistics

  • Total users: 18590
  • Latest user: Roseann Seale
  • Resolved questions: 9213
  • Unanswered questions: 2552
  • Total questions: 21765

User menu

    or sign up

Recent questions