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Last activity 2017-10-17 18:45:35 +0200 by Nguyen Hoan Hoang flag of Canada

Help with breakpoints on Eclipse with sdk14 please

Hello

I have setup my Eclipse(neon3) on Linux following the instructions in https://devzone.nordicsemi.com/tutori...

I cant compile and flash the image. But cant breakpoint. I have tried the solution in https://devzone.nordicsemi.com/questi.... Updated ... (more)

40
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no
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no
answers
Last activity 2017-10-17 13:51:10 +0200 by Martin Børs-Lind flag of Norway

MPU9250 is not showing output

i am working with mpu xx example given in nordic website. it seems code is working fine i.e. compiling and dumping into nrf52 DK, But not showing any output values.

i was trying to run nrf5-mpu-simple example but not ... (more)

21
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no
votes
1
answer
Last activity 2017-10-17 11:26:59 +0200 by Sigurd flag of Norway

APP_TIMER in sdk v14 build errors when migrating from v12.3

Hello I am using PCA10040, nRF52832, and GCC toolchain

I have a project that was working good using sdk v12.3 but now I want to migrate to the latest and I am getting one particular error I have not ... (more)

8
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no
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no
answers
Last activity 2017-10-17 11:17:45 +0200 by sguitton01

TWI write BB Suspend

Hi all,

I noticed that the TWI driver is suspending the clock between each byte I send. My peripheral seems not to like that and so only ack but does not change it's register. I have a nRF52832 and ... (more)

15
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no
votes
no
answers
Last activity 2017-10-17 09:09:53 +0200 by Martin Børs-Lind flag of Norway

LPCOMP interrupts are not getting triggered.

Hi,

I'm trying to use the LPCOMP of the nrf52 telit board.Configured lpcomp with the following settings :

Input : AIN2 Ref : AIN1 ( external ref. of 1.6V) Detection : Crossing

I've initialised the lpcomp and enabled the lpcomp with ... (more)

41
views
3
votes
1
answer
Last activity 2017-10-17 09:04:50 +0200 by Martin Børs-Lind flag of Norway

Power consumption reading a large fifo - Easydma list vs Cpu reading

I am reading a large FIFO buffer from a sensor and there are at least two ways to do it - by simply reading the FIFO using the CPU and SPI in chunks of 255 byte blocks, or using EasyDma list ... (more)

22
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no
votes
1
answer
Last activity 2017-10-17 08:27:32 +0200 by tommik

Type 4 tag NDEF record update

Hello,

i am working with SDK 14 type 4 tag library on NRF52832 hardware. I've based my code on the example "writable ndef msg".

When receiving a record, the NFC handler assumes, that NLEN is first updated to 0 ... (more)

43
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no
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no
answers
Last activity 2017-10-16 17:06:45 +0200 by Jørgen Holmefjord flag of Norway

SD Write Problem

Hi Everyone,

I am trying to record data from ADC to a SD card every 500ms using nrf52832. I am following the fatfs example. Before I had a problem whereby every approximately 10s I would lose a few samples from ... (more)

61
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no
votes
1
answer
Last activity 2017-10-16 17:03:10 +0200 by Jørgen Holmefjord flag of Norway

Low Power SAADC

Hi everyone,

I am having problems in getting the low power mode in SAADC to work. If I enable it in the config file then the ADC doesn't run anymore.( Blank in the RTT viewer) I have four channels ... (more)

71
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no
votes
1
answer
Last activity 2017-10-16 15:14:46 +0200 by Bjørn Spockeli flag of Norway

DFU Init file structure

Hello,

is there any documentation about DFU init file structure (SDK 14.0)? I used NRF util for creating DFU package, but i want to create my own app for that purpose.

61
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no
votes
1
answer
Last activity 2017-10-16 14:14:52 +0200 by Jørgen Holmefjord flag of Norway

Multi central connect to multi peripheral example

Hi all , I using module NRF52832 and SDKv14 . I have 2 board central and 2 board peripheral . I want to connect each board central to all board peripheral and connect each board peripheral to all board central . Pls give me ... (more)

52
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2
votes
1
answer
Last activity 2017-10-16 13:47:41 +0200 by Martin Børs-Lind flag of Norway

extra current in idle ~450 uA NRF52832

Hi all

I'm trying to build a generator based on NRF52832. Outpit signals are: 8MHz clock and two latches signals highly sinchronized with clock - RGB_LAT and TXT_LAT. For this task I used TIMER1, PPI and GPIOTE. Actually my approach ... (more)

36
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1
vote
1
answer
Last activity 2017-10-16 13:14:50 +0200 by Jørn flag of Norway

NRF52 Csense_drv capacitance calculation.

Hello,

I have a question on how to calculate the capacitance based on oscillator relaxation for NRF52. For example, in the Csense_drv example, when pin is touched by finger, it generates digits (e.g. 850). My question is how I ... (more)

33
views
no
votes
1
answer
Last activity 2017-10-16 12:01:54 +0200 by Hans

SPI Master stops working after S132 softdevice enabled

Initialization:

The softdevice is initialized as in the BLE UART example. The body of the ble_stack_init() function is identical to the BLE UART example.

SPI is initialized as in the SPI peripheral example, but I have gone over to writing ... (more)

27
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no
votes
1
answer
Last activity 2017-10-16 11:27:22 +0200 by Jørgen Holmefjord flag of Norway

Transferring data received over ble to sd card

Hi All,

I am working on pca10040, nrf52832 and s132. I am using ble_app_uart and sd card, where i want to transmit data received over ble to the sd card.

Can you help me with how can i do so ... (more)

36
views
no
votes
2
answers
Last activity 2017-10-16 11:05:54 +0200 by Jørgen Holmefjord flag of Norway

How can I get rssi before I make a connection?

Hello ,

I can read the rssi value after the connection is established.

case BLE_GAP_EVT_CONNECTED:
            APPL_LOG("Connected to target\r\n");
            err_code = bsp_indication_set(BSP_INDICATE_CONNECTED);
            APP_ERROR_CHECK(err_code);

            m_ble_nus_c.conn_handle = p_ble_evt->evt.gap_evt.conn_handle;

            // start discovery of services. The NUS Client waits for ...
(more)

37
views
no
votes
1
answer
Last activity 2017-10-16 10:22:14 +0200 by Aryan flag of Norway

Soft device somtimes don't want to start advertising

I have an application based on ble_app_hrs_freertos from SDK14. Sometimes the application will not start advertising. When this happens, it does not help to power-cycle device. Sometimes it helps to reset the device with nRFgo Studio, simply to let it ... (more)

24
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no
votes
no
answers
Last activity 2017-10-16 07:04:48 +0200 by saintnever

Can I get current transmitting channel in nRF52832

Hi,

I'm wondering if I can get current transmitting channel during a connection. So 1. Is there a way I can directly read current transmitting channel? 2. If not, is it possible to know the hopIncrement for current connection ... (more)

30
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no
votes
1
answer
Last activity 2017-10-15 13:15:23 +0200 by endnode

Can central board comunication with peripheral board and other central board

Hi all , I have one question . I have 3 board NRF : 1 peripheral and 2 central board . I want to transmiss data from peripheral board to central board 1 then from central board 1 to central board 2 . I want ... (more)

29
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no
votes
1
answer
Last activity 2017-10-14 21:05:37 +0200 by jakub

tft 1.8 display st7735 with nrf52

I want to use in my project tft 1.8 display with st7735 controller. I'd like to use some based code but can find nothing except on infocenter nordic As I understand there are should be something to be ... (more)

146
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1
vote
2
answers
Last activity 2017-10-14 02:00:08 +0200 by wojc0008

How do I control the ram_start and app_ram_base in softdevice_enable for s132? They should be equal but are not. (0x20002000 vs 0x20002060)

I am having trouble running softdevice_enable. Here is what happens:

After main(void) starts the code is:

log_init(); // WORKS clock_init(); // WORKS buttons_leds_init(&erase_bonds); // WORKS ble_stack_init(); // FAILURE results in infinite resets due to a weak error callback.

ble_stack_init is boilerplate code ... (more)

117
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no
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no
answers
Last activity 2017-10-13 23:34:59 +0200 by superpak

Simple Bootloader

Hi,

SDK14.0 nRF52832

I am using the dfu\bootloader_secure_ble example as my starting point. My goal is to create a very simple bootloader (with none of the dfu stuff, no SD functionality). Just a simple bootloader that the MBR ... (more)

29
views
no
votes
1
answer
Last activity 2017-10-13 21:54:13 +0200 by Turbo J

nrf52832 crashes during soft device update

Hi,

I am writing a boot loader which does not need to use the soft device as the image is being transferred over an SPI interface.

I have merged the softdevice and my application code together to make a single ... (more)

53
views
no
votes
no
answers
Last activity 2017-10-13 21:04:33 +0200 by Stas

Choose correct module based on nrf52832 chip

I have two supplier for provide me nrf52832's based modules. So I tested it and both is ok. The distance used pcb antenna almost the same (about 80m).

image description

If I use on external antenna with gain 3dbi I got ... (more)

108
views
no
votes
1
answer
Last activity 2017-10-13 17:42:36 +0200 by sosse

SHT10 temperature and humidity sensor library for nRF52832

Hi,

I'm building a project with nRF52832 dev kit and the SHT10 temperature and humidity sensor, I'm searching for a library/example project of this sensor and the nRF52. So far I didn't find one, are you ... (more)

30
views
no
votes
2
answers
Last activity 2017-10-13 16:44:38 +0200 by Hung Bui

Import Blinky-S132 KeilC project to SEGGER Embedded Studio

Hi all , I am beginning with SEGGER Embedded Studio . I flow 2 tutorial at :

I using NRF52832 board S132 , SDKv14 I follow these steps :

  1. install nRF SEGGER Embedded Studio Device ...
(more)

31
views
no
votes
no
answers
Last activity 2017-10-13 12:47:59 +0200 by Stas

Uart init problem

I work with ble_app_uart example and want to move uart init and event handler into separate file( e.g uart.c). I just copy uart_init, uart_event_handler functions with some macros into uart.c file.

after that uart module initilized (check ... (more)

32
views
no
votes
1
answer
Last activity 2017-10-13 11:24:36 +0200 by Sigurd flag of Norway

No module named ipaddress when I directly run nrfutil from source code

I want to run the nrfutil to do some test, after I clone the source code from https://github.com/NordicSemiconducto...

I run the nrftutil directly from the source code without installing it by executing:

python nordicsemi/__main__.py

and ... (more)

73
views
3
votes
1
answer
Last activity 2017-10-13 02:59:38 +0200 by MANGO

Hello,Can anyone help me out by giving me complete details of this?

i would like to print register values of an external sensor on my screen using UART! I'm reading and writing into those registers using SPI! Printing a normal message using NRF_LOG_INFO function is fine, but how do i print ... (more)

37
views
no
votes
no
answers
Last activity 2017-10-13 01:49:27 +0200 by Anesh

Call to memset crashes my application

image description When I am stepping through my application code crashing at

memset(&cccd_md, 0, sizeof(cccd_md));

"Setup information:

  • IDE: Using IAR
  • Device: nRF52832
  • Soft device: S132 v 2.0.0
  • SDK version: 11.0.0

Memory organisation:

ROM : 0x1c000 0x7ffff

RAM ... (more)

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