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27,801 questions

4
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Last activity 2017-12-14 02:21:53 +0200 by Nack Tack

Notify to all connections

Hi.

I'm testing multiperipheral function, and have established multiple connections (1 single Peripheral with multiple Centrals). But it seems that the Peripheral can just notify values to the last connected Central.

Could you tell me how to notify values ... (more)

6
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answers
Last activity 2017-12-14 01:42:33 +0200 by eeleigh

Any way to import an ARMGCC Makefile into SES

Trying to import a Nordic nRF52 ARMGCC project into SES. Is there any direct way, or has this been done?

Thanks, Leigh

10
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answers
Last activity 2017-12-14 01:12:54 +0200 by MichaelNordicUser

Undefined symbol ble_nus_c_on_ble_evt

Trying to port over code from UART example to muti-connect example.

Made sure include paths are correct, and made sure the following C files are in project.

ble_nus_c.c
nrf_pwr_mgmt.c

Also added following code to sdk_config.h

#define APP_UART_ENABLED ...
(more)

20
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answers
Last activity 2017-12-13 23:09:12 +0200 by spizzak

nRF52 Constantly Waking From WFE()

I'm trying to put the nRF52 into sleep by using the following code in a loop:

      __WFE();
      __SEV();
      __WFE();

But I see current consumption at around 5mA still, and when I debug I notice it the processor is constantly ... (more)

8
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answers
Last activity 2017-12-13 22:26:38 +0200 by sandeep

Thingy 2.0.1 FW flash : nrf_section_start undefined

Hello,

This is related to using Seger embedded studio on a mac for thingy52.

With all the amazing help from this forum, I am trying to compile and upload FW onto thingy 52 using the FW baseline from Nordic at ... (more)

19
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answers
Last activity 2017-12-13 22:24:04 +0200 by Clayton

ESP32 + nRF24L01 [closed]

I buy the service: How to integrate a driver in ESP32 and ESP8266 to work with nRF24L01?

Clayton Sulivan

12
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answers
Last activity 2017-12-14 02:27:53 +0200 by Artak

nRF52840 usb pins impedance

How much is the nRF52840 USB DP/DM pins impedance in transmit mode? There is no info in datasheet .

On the PDK board there are 39 ohm resistors connected in series with USB signals. Are they intended for impedance matching ... (more)

15
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answers
Last activity 2017-12-13 19:16:41 +0200 by F

erasing/writing to NVRAM not working

Howdy,

I am having difficulties writing to NVRAM (reading appears to be fine and is reporting 0xFF's everwhere). I am using a rather old SDK and SoftDevice 110 (version 8) on an NRF51822 because I was modifying code in ... (more)

7
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answers
Last activity 2017-12-13 18:05:05 +0200 by Hust

IOS & Android sending bonding request

Hi guys,

I am using nrf51822 with SDK 11 and softdevice S130. I use Just Work bonding with Peer Manager. When I connect nrf51 with the Android phone run NRF Connect, the device will automatically bond to the nrf51 when ... (more)

10
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answers
Last activity 2017-12-13 17:36:51 +0200 by Jim Dattolo

SDK12 removal of BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE from ble_gap_addr_set

Why was this removed? The SD 3.0 docs show only random static and public as options and I get bad address for the others which is consistent with the docs. We were using random private resolvable in SDK11 and ... (more)

15
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answers
Last activity 2017-12-13 17:04:30 +0200 by Nicole

Using advertising flags

Hello there. I just recently started programming using the nRF52832 DK, SDK14.1.0 and SoftDevice 132 v5.0 . I tried to follow this tutorial on Github: https://github.com/bjornspockeli/cust...

Right after implementing my own custom service, the ... (more)

14
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answers
Last activity 2017-12-13 17:00:48 +0200 by Jakob

nRF52480 regulator configuration

Hello

I have just started development for the nRF52480 preview development kit.

I am powering the dev kit through USB on J2 (with power switch set to VDD).

I want to power peripherals with 3.3V so I am trying ... (more)

12
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votes
1
answer
Last activity 2017-12-13 16:45:45 +0200 by thln

PWM SEQ[1].REFRESH is ignored if the samples size is equal to one!

Hello,

I use a nRF52832 device, and I have some strange behavior when I use PWM. You can see my test program listed below.

Thank for your reply, Thierry!

/*
 * Test_PWM.c
 *
 *  Created on: 13 déc. 2017
 *      Author: Thierry
 */    
#include <system ...
(more)

15
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answers
Last activity 2017-12-13 15:37:17 +0200 by Marius Heil flag of Germany

Why is ccm_soft used in the Mesh SDK?

Hi,

I am wondering why the ccm library uses the software aes encryption. Is there anything wrong with the hardware encryption so that it should not be used?

Marius

13
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answers
Last activity 2017-12-13 15:19:44 +0200 by Steve

BLE mesh and Routing for high frequency Bridge sensors

I recently got involved in a project where I am deploying a ble based mesh to understand and monitor bridge vibration patterns. I have been through nRF's mesh capabilities, but they aren't enough high frequency and efficient for ... (more)

19
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no
votes
1
answer
Last activity 2017-12-13 15:59:50 +0200 by endnode

Could not find AHB-AP to communicate with Cortex-M core

Hi to everyone!

I have been testing and programming a nRF52832DK board (Bluetooth, SPI, NFC, ...) with, at the beginning problems and learning how to fix them, and in the end everything works successfully.

I am been programming in Keil uVision ... (more)

7
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answers
Last activity 2017-12-13 15:05:22 +0200 by stevenlanders

Aes encryption peripheral

How can I disable aes encryption? I'm trying to port nRFgo gzll_host_w_dyn_pairing_example and the aes encryption peripheral is missing. Tried to define GZP_CRYPT_DISABLE as well (official site extensions). Please, help.

13
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answers
Last activity 2017-12-13 14:45:48 +0200 by SørenHN flag of Denmark

Virtual addresses and their use?

Bluetooth Mesh Glossary of Terms mentions 3 different kinds of addresses: Unicast Addresses, Group Addresses and Virtual Addresses.

I think I understand what a Unicast Addresses is. But just to be sure; it's the element number for which, whatever ... (more)

27
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no
votes
1
answer
Last activity 2017-12-13 22:31:53 +0200 by ogura

pin reset sequence for nRF52832

For pin reset, do I need to drive it low after it goes high once during power on sequence? or it does NOT need to be high before drving it low.

25
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no
votes
2
answers
Last activity 2017-12-13 13:37:19 +0200 by Sigurd flag of Norway

nRF DK 52 different versions?

Hi,

I recently ordered the nRF DK 52 from Mouser Electronics (only one version available on their website). Furthermore, they were not able to provide me with the chip revision number so I ordered the DK anyway, assuming it would ... (more)

17
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answers
Last activity 2017-12-13 13:22:00 +0200 by kasi

Most of the SDK examples project support pca100028 only

Most of the SDK examples project support pca100028 only How I do Port in PCA20006

Right now I am using any IDE's . By using cmd , I generate hex file.

Where I have to change the name of the board file .

7
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answers
Last activity 2017-12-13 12:53:53 +0200 by kasi

How to port the ble_app_uart in pca_20006 board from pca_1-0028

Hi In our Nordic SDK ble_peripheral projects , It almost support following boards

       1. pca10028
       2. pca10036
       3. pca10040 .

I want to port in pca20006

May I know the way ?

27
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answers
Last activity 2017-12-13 22:55:59 +0200 by Clayton

Library for nRF24L01 with ESP32 and ESP8266.

Hellow!

I buy the service: How to Integrate a Driver (Library) in ESP32 and ESP8266 to work with nRF24L01?

Clayton Sulivan - claytonsulivan@yahoo.com.br

17
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no
votes
no
answers
Last activity 2017-12-13 11:52:04 +0200 by karthikeyan

mpu 6050 with nrf52840

hi, i have downloaded nrf5-mpu-example sdk 13 from github. made necessary changes to work with sdk 14.2 for nrf52840. i have done it and the program is compiling without error. when i flash it in my dk. my LED1 ... (more)

3
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answers
Last activity 2017-12-13 11:46:50 +0200 by ToasTer86

multicast only received by CoAP server not client

Hey Nordic devzone,

I am tinkering with the following multiprotocol examples: ble_thread_dyn_mtd_coap_cli (client) ble_thread_dyn_template (server)

Currently the client can be controlled using the BSP buttons or a smartphone with the nordic toolbox apps.

When I press a BSP button 2 ... (more)

10
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answers
Last activity 2017-12-13 11:17:42 +0200 by paul_tanner

detecting memory issues at runtime

I am using nrf52 with s132 and armgcc As I add functionality to the code I get to a stage where it fails. Linker runs OK but the result fails to execute.

The observable phenomenon is that I see nothing ... (more)

17
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answers
Last activity 2017-12-13 11:16:46 +0200 by TTN

how can i burn my code on my new layout board with nrf52832, while i devepole my program on arduino primo?

Hi,

I develop a program using arduino primo, and i want to layout a new pcb board with new nrf52832 chip. The new chip may not have any bootloader. What kind of method can i use to upload the code ... (more)

10
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no
votes
no
answers
Last activity 2017-12-13 10:54:28 +0200 by hunterliuyi

Peer manager and chip/SD/SDK select

Hello, guys,

We have developed our first generation product with 51822(16KB RAM, SDK10, S110V8.0) as peripheral , and we are always facing the problem that the connection time between smart phone and our device is too long(over 2s ... (more)

9
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no
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no
answers
Last activity 2017-12-13 10:26:24 +0100 by roger.k

disconnect time [closed]

Hi. I'm using nRF52832, SDK13.0.0 as peripheral.

When I want to disconnect central, I'm using sd_ble_gap_disconnect function as below.

    err_code = sd_ble_gap_disconnect(conn_handle_val, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
    APP_ERROR_CHECK(err_code);

I can get disconnected event immediately from "BLE_GAP_EVT_DISCONNECTED" case.

But somtimes ... (more)

35
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no
votes
1
answer
Last activity 2017-12-13 17:13:43 +0200 by Hung Bui

app_timer / softdevice S132 / sd_app_evt_wait

Hi there,

hope you are doing fine.

I am using SDK 14.1 with SoftDevice 132 as well as a state machine framework which needs a have a function called periodically to manage events, timers, etc. I am NOT using ... (more)

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  • Resolved questions: 11261
  • Unanswered questions: 3818
  • Total questions: 27801