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Last activity 2017-07-22 10:56:02 +0200 by hpudream

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

23
views
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)

22
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no
votes
no
answers
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)

25
views
1
vote
1
answer
Last activity 2017-07-20 17:55:57 +0200 by endnode

Changing BLE connection interval time

I'd like to be able to change the ble connection interval during during runtime to save power. I followed this post and found that p_ble_evt->evt.gap_evt.params.connected.conn_params.max_conn_interval was 24 (ms?). However I can't get ... (more)

45
views
1
vote
2
answers
Last activity 2017-07-20 17:13:45 +0200 by annapalu

Advertising timeout can not be closed

HI, I want to turn off the broadcast timeout, but when I change the broadcast timeout macro to 0 when the program does not work, Modify as follows:

#define APP_ADV_TIMEOUT_IN_SECONDS      0//180

26
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)

29
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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)

23
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no
votes
no
answers
Last activity 2017-07-18 02:29:53 +0200 by xtaozi001

How to filter conneciton via specific MAC for peripheral

The scenario like this: A is BLE peripheral with firmware (ble_app_uart under nRF_SDK_13.0.0_04a0bfd), if no filter,any central can cenncet to it, but I just want B can cennect it. I try to do follow below link description ... (more)

12
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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)

39
views
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)

27
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)

67
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)

50
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
views
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)

42
views
2
votes
1
answer
Last activity 2017-07-07 11:30:01 +0200 by Jørgen Holmefjord flag of Norway

Set maximum connection duration on BLE peripheral [closed]

Is it possible to limit the connection duration on BLE peripheral (nrf52832)? For example, if central is in connection for more than X seconds, then peripheral terminates the connection.

58
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)

38
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)

31
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)

61
views
no
votes
no
answers
Last activity 2017-06-29 08:49:34 +0200 by Akinobu Yokawa

NUS server on Android

I am developping NUS server(Peripheral) on Android. Central is ble_app_uart_c on nRF52832. In this case, service discovery cannot be completed. According to the console log, the log "APP:INFO:Discovery complete." in ble_nus_c_evt_handler() is not printed. On the other ... (more)

52
views
no
votes
1
answer
Last activity 2017-06-22 14:45:51 +0200 by Frederik

state-machine RTC synchronization with softdevice

Hi,

I’m working on a device that requires to enable the softdevice when connecting with a smartphone via Bluetooth and disable it when acquiring data from an analog source.

In order to do this I have created a simple ... (more)

111
views
no
votes
2
answers
Last activity 2017-06-22 09:23:16 +0200 by Taku

Flashing Bootloader + Application via J-link

Hi, I am using SDK 11 , nRF52 DK . IAR 7.5 In current implementation I am flashing a sofdevice s132 and the bootloader by the nrfjprog.exe but if I am flashing the app this way it is not starts ... (more)

24
views
no
votes
no
answers
Last activity 2017-06-22 05:56:37 +0200 by Garen

On the mpu6050 module, the configuration Data y Ready interrupt is not successful [closed]

NRF52832 S132 MPU6050 TWI
I want to finish the function:
1. When the ACC, GYRO data update, the INT pin to generate an interrupt, and then in the P026 pin configuration falling edge trigger GPIOTE interrupt,and then read the ...
(more)

89
views
no
votes
1
answer
Last activity 2017-06-21 11:01:27 +0200 by Kristin flag of Norway

How to enable and use RTC0, RTC1, and RTC2 -- nRF52832

I am currently using nRF52832 with SDK v11.0.0 and S132 v2.0.0. I'd like to enable either RTC2 or RTC0 as a dedicated counter for the keeping track of time (LFCLK). RTC1 is already designated for ... (more)

73
views
no
votes
1
answer
Last activity 2017-06-19 21:21:02 +0200 by Shreyas Shivalkar

ble hangs when UART initialized

I have reformatted the code I had added earlier.

Following is the sequence of code

uart_debug_init();

gap_params_init();
services_init();
advertising_init();
conn_params_init();

Following is UART initialization code

uart_debug_init()
{
  const app_uart_comm_params_t comm_params =
  {
      7, 8,
      NULL,
      NULL,
      APP_UART_FLOW_CONTROL_DISABLED,
      false,
      UART_BAUDRATE_BAUDRATE_Baud38400
  };

  APP_UART_FIFO_INIT(&comm_params,
                     UART_RX_BUF_SIZE,
                     UART_TX_BUF_SIZE ...
(more)

59
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)

48
views
no
votes
no
answers
Last activity 2017-06-12 22:52:32 +0200 by Dave_couling

Using FreeRTOS, RTC and Softdevice?

Just a general resource question. The Softdevice uses RTC0, FreeRTOS (by coded default) uses RTC1. So in order for the SDK ble_conn_params.c to run properly I have to link app_timer_freertos.c to the Makefile.

This leaves RTC2 available for ... (more)

53
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)

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  • Resolved questions: 9858
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  • Total questions: 23732