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Last activity 2017-07-24 16:49:42 +0200 by endnode

Creating a custom UART connection over BLE

I would like to use the ble_app_uart_c example, found here, to connect to a custom peripheral. What values should I change in the central device code in order to connect to a device, service, and characteristic of my choice?

I ... (more)

96
views
3
votes
1
answer
Last activity 2017-07-22 10:56:02 +0200 by xu flag of China

How to Advertising and Scan at the same time

I am now using 52832 to do a project, need to send a BLE broadcast package first, and then start scan, what examples can I refer to?

Attachment is my TX/RX process,and I need to implement the device B image description

34
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no
votes
1
answer
Last activity 2017-07-21 16:28:04 +0200 by saiteja

How to print out the time stamp in nRF log [closed]

Currently developing on NRF52 sdk12

I want to be able to show time stamp minutes:seconds:miliseconds on my RTT viewer, when I print my data out from the uC. Any hits on how to do that?

I'm looking ... (more)

38
views
1
vote
1
answer
Last activity 2017-07-21 11:09:55 +0200 by sara

Disable NFC Interrupt

Hi,

The NFC function is set to read only in my application. I don't want to wake up my system when someone tap on my device to read the NFC data. (assume this method can save more power)

Should ... (more)

37
views
2
votes
1
answer
Last activity 2017-07-19 22:29:40 +0200 by Greg Nowak

Peer Manager disconnect after connection with NRF52 and Android 7.0

I'm attempting to use Peer Manager with my nRF52832 module as a peripheral with an Android 7.0 phone as the central device.

My program is a mix between the NUS example and the Template (for the PM side ... (more)

40
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1
vote
1
answer
Last activity 2017-07-18 10:59:06 +0200 by Jørgen Holmefjord flag of Norway

Combining NDEF messages

I want to use the Launch App message as well as the Text Record Message together, so that when my app is launched, I can also access the message that will give me something like the device name.

IS this ... (more)

14
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no
votes
no
answers
Last activity 2017-07-17 18:42:38 +0200 by Ramkumar

Declaration of en_text_rec in NRF52 NFC Record text Example [closed]

    static void en_record_add(nfc_ndef_msg_desc_t * p_ndef_msg_desc)
{
    /** @snippet [NFC text usage_1] */
    uint32_t             err_code;
    static const uint8_t en_payload[] =
                  {'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd', '!'};
    static const uint8_t en_code[] = {'e', 'n'};

    NFC_NDEF_TEXT_RECORD_DESC_DEF(en_text_rec,
                                  UTF_8,
                                  en_code,
                                  sizeof(en_code),
                                  en_payload,
                                  sizeof(en_payload ...
(more)

42
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no
votes
1
answer
Last activity 2017-07-17 15:30:25 +0200 by John DeWitt flag of United States

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)

28
views
1
vote
1
answer
Last activity 2017-07-14 12:55:58 +0200 by Sigurd flag of Norway

Confusing about the system off mode of 52832

Hi,

I was testing the pwr_mgmt project in the nRF5_SDK_13.0.0 with my 52DK, the system off mode seems work fine ,cause the log information is right,but the question is that when 52832 enters system off mode the ... (more)

70
views
no
votes
1
answer
Last activity 2017-07-14 11:28:05 +0200 by san27deep

How can i use ble in no connection status?

Hello, all.

First, I don't live in English country. So, My sentence may be false.

I want to develope ble communication without pairing.

In this status, I will communicate uart to computer.

I am in short of English, but ... (more)

53
views
2
votes
1
answer
Last activity 2017-07-12 12:44:12 +0200 by Hung Bui

power consumption on nRF52832 with UART

I am testing the nRF52832 in Rigado BMD-301 module. I am able to get to ~40uA when advertising ,UART enabled but not used and all other peripherals disabled. But as soon as i try reading from UART, the current consumption ... (more)

36
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no
votes
no
answers
Last activity 2017-07-11 22:44:50 +0200 by Ramkumar

Hex File for experimental_ble_app_hrs_nfc_pairing [closed]

s132_nrf52_5.0.0-3.alpha_softdevice.hex(/attachment/26a9916e1af8c97bcba7185035bd7b31)Hi, I am starting to work on NFC and Bluetooth pairing for the nrf52 and i tried to compile this example on Keil and it doesnt allow me to as the size is ... (more)

32
views
1
vote
1
answer
Last activity 2017-07-11 19:14:13 +0200 by beres1800

ble_advertising_init returned error 7 [closed]

Hi there,

I am working on the SDK13 project template that I am modifying in order to install a vendor type uuid. But my code crash on "advertising_init" and ble_advertising_init returns error invalid parameter. However, I do not find what ... (more)

27
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no
votes
no
answers
Last activity 2017-07-11 07:51:41 +0200 by Siva

Issue with serial DFU on NRF52

Hi All,

I am trying to get the serial DFU working with nRF52832 development kit with SDK 13. I am able to get the bootloader flashed and have installed the nrfUtil tool. I followed the exact sequence of the steps ... (more)

23
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no
votes
no
answers
Last activity 2017-07-07 22:32:20 +0200 by khan_khan

dfu unsuccessful on nRF5_SDK_13.0.0-1.alpha_055eef3

i am using nRF5_SDK_13.0.0-1.alpha_055eef3 s132_nrf52_5.0.0-1.alpha_softdevice and used examples\dfu\bootloader_secure\pca10040\ for secure DFu OTA .everytime i try i get the same 8202 error by using toolbox app and [DFU]: REMOTE DFU OPERATION FAILED ... (more)

59
views
no
votes
1
answer
Last activity 2017-07-06 14:51:25 +0200 by Gerlic

How long am I holding a button app_uart example

Hi,

I am trying to change the uart example using NRF 52 with SDK 12.3, so that I would hold a button pressed and it would send the time of button being pressed after release to my PC via ... (more)

39
views
no
votes
1
answer
Last activity 2017-07-03 06:49:41 +0200 by David

fs_store event handler not being fired

I have a NRF52382 DK and cannot seem to get the fs_store callback to fire.

here is my fs_config callback function:

static uint8_t fs_callback_flag;
void fs_evt_handler(fs_evt_t const * const evt, fs_ret_t result){
    fs_callback_flag = 0;}

here is my storage write function ... (more)

32
views
no
votes
no
answers
Last activity 2017-07-02 03:32:34 +0200 by cswanson420

Slave stops sending Empty Data PDU shortly after connection [closed]

With good luck, I traced my connection timeout to the slave/peripheral using nrfSniffer. What is most unusual is the slave unexpectedly stops corresponding with the master regarding transmission of Empty Data PDU's. This culminates in a connection timeout ... (more)

60
views
no
votes
2
answers
Last activity 2017-06-19 09:59:05 +0200 by Jørgen Holmefjord flag of Norway

nRF52832 SPI tagging for multi-channel ADC?

Hi,

I have successfully connected an MCP3004 to the nRF52832 and can assign the ADC channel 0 output to a characteristic value. Works beautifully.

However, there are three other channels I want to use on the ADC for other sensors ... (more)

54
views
no
votes
1
answer
Last activity 2017-06-07 10:39:53 +0200 by Petter Myhre flag of Norway

LESC with old phones (e.g. iPhone 4s)

Hi,

I just implemented LESC Numeric Match on the NUS service for my peripheral device (based on ble_app_multirole_lesc example). I am able to connect to my device using numeric match confirmation with iPhone 6 and iPhone SE and transfer data ... (more)

73
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no
votes
no
answers
Last activity 2017-06-06 11:36:30 +0200 by VelMurugan

spis event was not triggering at every time

HI,

I am using nrf52832 with softdevice 132. Using SPIS1 to get the sensor datas from nrf to AARDVARK for calibration. Whenever I send the data's from aardvark(using AArdvark as Master and nrf as slave) it was not ... (more)

118
views
no
votes
1
answer
Last activity 2017-06-03 08:01:37 +0200 by pavan

nrf52832 uart

hello i am using nrf52832 DK and working UART_APP_BLE , i want know where the data will be stored when we send any message through mobile to the device. can we see the received into the buffer??? please update

44
views
no
votes
1
answer
Last activity 2017-06-02 06:37:58 +0200 by RK flag of Singapore

sd_ble_gap_addr_set() error 0x10

I am trying to set custom value to advertising address. The code snippet is below. I am getting error code 0x10.

static ble_gap_addr_t * p_addr;
uint8_t itr_i;
p_addr->addr_type = BLE_GAP_ADDR_TYPE_RANDOM_STATIC;
for(itr_i=0; itr_i<6; itr_i++)
    {
       p_addr->addr[itr_i] = rx_buffer[itr_i ...
(more)

85
views
2
votes
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)

114
views
no
votes
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)

42
views
no
votes
no
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?

36
views
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)

56
views
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)

86
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)

110
views
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)

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