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Last activity 2017-05-24 06:15:44 +0200 by pavanvulichi

spi master example code

hello , I am new to SPI protocol.I am using NRF52 DK &nRF5_SDK_13.0.0_04a0bfd( pca10040) using keil-5. I want spi master example code. Can any one suggested me where I find the spi master example code, Because I have ... (more)

54
views
no
votes
1
answer
Last activity 2017-05-23 05:25:00 +0200 by Sal

dim led to minimize current consumption

Hello, I am using nrf52832 custom board, with SDK 11.0.0 and s132_nrf52_2.0.0 and trying to dim led. It seems the only suggested solution is to use the pwm driver. I was wondering if there are any ... (more)

37
views
1
vote
2
answers
Last activity 2017-05-22 14:23:15 +0200 by Kristin flag of Norway

fstorage not initializing properly in my app

I want to store two floats and one 8 character string in fstorage.

I solved it by using 4 uint32 types stored in flash, I got it working in the ble_app_template example, but when I try to implement the same ... (more)

52
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no
votes
2
answers
Last activity 2017-05-22 14:08:09 +0200 by schef

UART not working on SDK 13.0.0

Hi. When i use ble_app_uart i have problem with my device over uart. It does not response to my commands.

I'm using custom pcb based on nrf52 with nrf UART v2.0 android app. Is there something i'm missing?

104
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no
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no
answers
Last activity 2017-05-22 08:44:14 +0200 by Rudra

Framing errors

Hi Team,

I am using nRF5_SDK_11.0.0_freertos_dfu_060516.zip SDK. I have added NUS service with UART configurations in this code successfully. When I am commented the DFU from Makefile, uart communication working good. As soon as I Uncommented DFU ... (more)

22
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answers
Last activity 2017-05-20 12:13:52 +0200 by ankitjain96

how to set the mqtt broker address in nrf5 iot sdk mqtt example

static const ipv6_addr_t m_broker_addr = { .u8 = {0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01} };

In the above how do i set the ipv6 address which is C2:98:AB:01:42:C1?

37
views
1
vote
1
answer
Last activity 2017-05-19 14:58:12 +0200 by Rudra

Jumping to Bootloader failed.

Hi Nordic Team,

I am using board PCA10040 wtih nRF52832 SDK 11.

I have Added DFU code to ble_app_hrs_freertos example. Once I will go for DFU from nrf Mobile Application, nRF board is not jumping to bootloader. I am using ... (more)

164
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2
votes
1
answer
Last activity 2017-05-19 10:27:11 +0200 by Aryan flag of Norway

freertos RTC issue in port_cmsis_systick.c [closed]

Hello,

Ported my FreeRTOS application on NRF52 from SDK 12.2.0 to SDK 13.0.0 .My application is using freertos apptimer for timestamping and waking up of device which was working without any issues on SDK 12.2 ... (more)

28
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2
votes
1
answer
Last activity 2017-05-17 15:20:48 +0200 by Bert

Handling BLE_EVT_USER_MEM_RELEASE

As a central, I am writing to a variable length characteristic, advertised by a service of my peripheral. In this case, I am sending 80 bytes of 0x01 as a test

    uint8_t testData[80];
    size_t len = sizeof(testData);
    memset(&testData ...
(more)

42
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no
votes
1
answer
Last activity 2017-05-12 01:15:49 +0200 by polalavik

Central multilink explanation

in the ble multilink central example i'm not understanding where the functions in client_handling.c are exercised some don't seem to be used in main or client_handling (client_handling_dm_event_handler() for example)

Additionally in client_handling.c:

#define MULTILINK_PERIPHERAL_BASE_UUID    {{0xB3, 0x58 ...
(more)

54
views
no
votes
1
answer
Last activity 2017-05-11 13:55:27 +0200 by Vidar Berg

Secure DFU througput

Hi,

We are using the Secure DFU from SDK 12.2, with SD132 3.1.0, on a PCA10040. As a DFU controller, we use a PCA10031 with a SD130 2.0.1 and a project derived from the multilink ... (more)

45
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2
votes
1
answer
Last activity 2017-05-09 10:42:31 +0200 by Jørgen Holmefjord flag of Norway

MCP and NRF52 dk

Hello,

I am using the nrf 52 dk with the soft 3.00. I am doing the Beacon Transmitter Sample Application from https://infocenter.nordicsemi.com/ind....

I was able to compile and build the program and load it onto ... (more)

150
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no
votes
1
answer
Last activity 2017-05-09 06:37:30 +0200 by kian79

need help with oled and NRF52 DK

Hi, i was interfacing oled with nrf52 board. I got some example and modified bit to use it with GCC. But it is now working. Oled not at all starting. oled is 0.96 inch, I2C based 128x64. Vdd = 5v ... (more)

42
views
no
votes
no
answers
Last activity 2017-05-08 21:29:04 +0200 by Sal

preparing a hex file to program in flash

Hello, I am using nrf52832 board, with SDK 11.0.0 and s132_nrf52_2.0.0. and trying to program a 512 Bytes text file using nrfjprog (J-Link: JLinkExe) in flash. The nrfjprog tool only allows a 4 Byte value write ... (more)

44
views
no
votes
1
answer
Last activity 2017-05-08 11:11:52 +0200 by Torbjørn Øvrebekk

AES CCM 8 byte MIC?

Basically I want to get a 8 byte long MIC when using the AES CCM encryption. From the product specification it does seem like I can only get a 4 byte MIC, is that correct? Or is there some workaround available?

118
views
no
votes
1
answer
Last activity 2017-05-06 23:37:26 +0200 by Shane Anderson

sd_softdevice_enable() crashes on nRF52832 when debugging

Hi Everybody

When I run my code with the debugger, it always crashes when executing sd_softdevice_enable(). Even if there is no breakpoint activated. However, when I run the code without the debugger, it works fine.

I am using the PCA10040 ... (more)

89
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no
votes
no
answers
Last activity 2017-05-06 11:51:22 +0200 by sheep

Can I get the tool of nrfutil in C files?

I want to use another MCU(MT7688 run OpenWRT) as a upper monitor to DFU the nrf52832,But you know,the way of serial download for nrf52832 is use nrfutil with command that nrfutil dfu serial -pkg package.zip -p ... (more)

86
views
1
vote
1
answer
Last activity 2017-05-05 10:53:41 +0200 by Hung Bui

How to set bootloader run first in my application?

Iprogram the bootloader.hex to 0x78000 with jlink.Then in my application program,I set the NRF_UICR->NRFFW[0] register as belew:

static void write_uicr_customer_register(uint32_t * data, uint32_t offset)
{
    uint32_t* cust_data = (uint32_t*)(NRF_UICR_BASE + offset);

    if(*cust_data != 0xFFFFFFFF)
    {
        NRF_NVMC->CONFIG = 2 ...
(more)

82
views
1
vote
2
answers
Last activity 2017-05-05 03:35:47 +0200 by Rick

eclipse gcc and Bluetooth Developer Studio

大家好,我是一個新手 請問我從Bluetooth Developer Studio生成一個BUTTON的BLE UUID代碼 image description 如附件test1.7z test1.7z 我要如何結合到 nRF5_SDK13.0.0_ble_app_hrs_pca10040_s132.zip

這個範例裡面呢?? 讓nRF Coonect可以看到新的UUID碼 目前放進去後變成這樣 image description

會遇到以下幾種錯誤 image description image description

這些錯誤該如何解決呢?? 煩請指導一下,謝謝

134
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no
votes
1
answer
Last activity 2017-05-02 09:05:27 +0200 by emdi

FDS Write problem

Hello, I am using SDK 12.01 with softdevice (BLE application) and I want to write large data over flash. I am stuck with various issues. 1. When I try to write the data, FDS returns success. But write_flag is ... (more)

63
views
1
vote
1
answer
Last activity 2017-04-28 23:25:39 +0200 by Sal

button interrupt with long push

Hello, I am using nrf52832 custom board, with SDK 11.0.0 and s132_nrf52_2.0.0, and trying to create an interrupt event on wake up from system off by pressing BSP_BUTTON_0 (only one button available). Following the nrf51-powerdown examples ... (more)

59
views
1
vote
1
answer
Last activity 2017-04-26 21:14:37 +0200 by Sébastien Schiesser

Memory settings for working with rigDFU (Rigado BMD-300)

Good evening (at least here...)

I successfully developed an application with Keil on the Rigado EVAL board with the following steps:

  1. nRFgo Studio -> erase all and program SoftDevice S132 (memory range: 0x0 - 0x1F000)
  2. Keil uVision -> develop a project from example ...
(more)

52
views
no
votes
no
answers
Last activity 2017-04-25 21:10:09 +0200 by Renix

Good development flow from Example to production application

I would appreciate some suggestions on a good development flow to go from an Example to end application

I have nrf52832 on a custom PCB. I tested several sdk13.0.0 examples with 10040 and s132 I worked through the ... (more)

47
views
1
vote
1
answer
Last activity 2017-04-25 10:30:57 +0200 by Jørgen Holmefjord flag of Norway

What is the passkey for gls example, where is it set

What is the passkey for gls example, and where is it set

I am using SDK13, 10040 nrf52832 s132

Any help appreciated

42
views
1
vote
1
answer
Last activity 2017-04-25 08:30:46 +0200 by capricorn

hex file generated using eclipse not working on nrf52 dk

Hi All

I am trying to build hex file using eclipse id on Mac. everything looks ok, as it eclipse build file without any error but its not working on nrf52 dk.

before installing I did erase all on nrfgo ... (more)

74
views
3
votes
2
answers
Last activity 2017-04-25 00:38:42 +0200 by Wojtek flag of Poland

Can I create Characteristic with Notification only, no Read, no Write

Can I create Characteristic with Notification only, no Read, no Write

I can remove the //char_md.char_props.write = 1; and only the Read and Notify Properties show up in MCP (or the iPhone)

When I comment out the char_md.char_props ... (more)

49
views
no
votes
1
answer
Last activity 2017-04-24 22:11:21 +0200 by Emil Lenngren flag of Sweden

Is it possible to have passkey with Just Works bonding

I noticed some suggestions to add Static Passkey.

I have 10040 nrf52832 sdk13.0.0 s132

The server has no IO, so cannot enter passkey from it. 1) Is there an example to add PIN to the server, even though ... (more)

77
views
1
vote
2
answers
Last activity 2017-04-24 11:17:14 +0200 by Jørgen Holmefjord flag of Norway

how to flash NRF52DK under ubuntu

Hi, I am using NRF52 DK board. I use nrfjprog under windows to flash controller. But i want to flash under ubuntu. I searched but i found one .rar file.i extracted but there were not executable to run. some ... (more)

158
views
1
vote
1
answer
Last activity 2017-04-24 09:05:55 +0200 by ffreturn

[CLOSED][nrf52832][S132 4.0.0] connection fails: exchange MTU request is not received on evt.common_evt.conn_handle=2

Configuration:

(1) 52832 PCA10040;(2) softdevice: s132_nrf52_4.0.2; (3) sdk 13.0.0(4) 52832 configure 4 conccurent peripheral connections:

ble_cfg_t ble_cfg;
memset(&ble_cfg, 0, sizeof(ble_cfg));
ble_cfg.gap_cfg.role_count_cfg.periph_role_count  = 4;
ble_cfg.gap_cfg.role_count_cfg.central_role_count = 0;
ble_cfg.gap_cfg ...
(more)

59
views
no
votes
1
answer
Last activity 2017-04-21 15:00:17 +0200 by Rishi

Secure DFU - Issue in updating the application. [closed]

Hello, I am trying to implement OTA firmware update using Secure DFU.

SDK - 12.2

Softdevice - s132

Board - PCA10040 (nRF52)

I followed instructions mentioned here

Issues:

  • Once the bootloader code has been uploaded, device advertises as DFUTARG.

  • Able to connect ...

(more)

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