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Last activity 2017-12-14 02:27:28 +0200 by jaytroymo

Lockup with SDK12.3 with FreeRTOS power consumption fix.

I've recently discovered the power consumption issue with FreeRTOS and SDK12.3: https://devzone.nordicsemi.com/questi...

So, I am now using SDK12.3 with SDK13.1 FreeRTOS files.

The power consumption is back to normal, however the modified ... (more)

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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no
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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)

28
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answers
Last activity 2017-12-13 17:39:08 +0200 by Keton

[bugreport] app_timer_stop() resets RTC1 counter when APP_TIMER_KEEPS_RTC_ACTIVE is set

My setup is as follows: nRF5 SDK 13.1 with s132 5.1.0 nRF52832_AA Keil 5.25pre

I use RTC1 counter for timestamping along with app_timer timers. My get_timestamp() function retrieves it's time value by calling app_timer_cnt_get() 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)

13
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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)

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)

57
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no
votes
1
answer
Last activity 2017-12-13 07:17:27 +0200 by kevin.ko

Why is my service cccd_handle number wrong [closed]

Hello.

Nordic Team.

I add for ble Service and i select my service notify enable

I want receive my service number, but service number is different.

Add for my source code and I looking for example PCA10040 HRS service.

The ... (more)

67
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no
votes
2
answers
Last activity 2017-12-13 07:12:34 +0200 by kevin.ko

Why is my service cccd_handle number difference. [closed]

Hello,

Nordic Team.

I don't understand 'ecg cccd_handle number ' 'p_evt_write->handle number' difference.

I add for ECG Service on my bluetooth profile.

ECG Service in ecg data char 'notification on' but on_write in function cccd_handle number is difference.

But ... (more)

31
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votes
2
answers
Last activity 2017-12-13 05:52:16 +0200 by kevin.ko

Why not control spi nrf_drv_spi_transfer ?

Hello

Nordic Team.

I controling nrf spi.

testing for example nrfSDK14.0.0\example\peripheral\spi\pca10040\blank\arm5_no_packs\spi_pca10040

/**
 * Copyright (c) 2015 - 2017, Nordic Semiconductor ASA
 * 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or ...
(more)

25
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Last activity 2017-12-13 00:09:00 +0100 by Eric Smith

S132 5.1.0 excessive RAM usage

From the S132 5.1.0 specification, I expect that its RAM usage should be only 0x1228 bytes plus ATTR_TAB_SIZE. However, when I compile two of the example projects using IAR, I'm seeing an APP_RAM_BASE higher than expected, in ... (more)

41
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no
votes
2
answers
Last activity 2017-12-12 17:38:04 +0200 by Flinn92 flag of France

FDS & fstorage extra information

Hi,

I'm using sdk14.2 peripheral examples fds and fstorage in an attempt to test flash storage persistance (with softdevice present).

The two examples are quite intuitive and easy to play with thanks to the cli interface (uart).

First ... (more)

51
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no
votes
1
answer
Last activity 2017-12-12 16:36:29 +0200 by Bjørn Spockeli flag of Norway

DFU signature error while updating application

Hi, I can't manage with error in secure bootloder (from secure_dfu_ble_s132_pca10040_debug example) on custom board with nRF52832xxaa chip. I got a signature validation error trying to update aplication.

I created zip files by command: nrfutil pkg generate --hw-version 52 ... (more)

18
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answers
Last activity 2017-12-12 16:31:14 +0200 by spizzak

Include app_config definitions in Makefile

I'm developing firmware for the nRF52832 in eclipse, and since I'm using the NFC pins as GPIOs I need to include the "CONFIG_NFCT_PINS_AS_GPIOS" cflag in my Makefile. However, I don't want to make this change on the ... (more)

53
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no
votes
2
answers
Last activity 2017-12-12 15:22:53 +0200 by Joakim Jakobsen flag of Norway

nrf52 development kit programming

Hello nordic dev community,

I am completely new to nordic products. I attended one of the conference and got more information regarding developer zone and info center. I followed tutorials on BLE advertising but all the tutorials are based on ... (more)

27
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no
votes
1
answer
Last activity 2017-12-12 13:23:12 +0200 by Jørgen Holmefjord flag of Norway

Do I need to define an Analog input as such in NRF52?

Hello,

I was wondering whether or not the standard analog pins on the nrf52832 have to be defined as analog inputs with the gpio methods.

I ask this because I am trying to sample some of those pins (NRF_SAADC_INPUT_AIN4,P0 ... (more)

35
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1
vote
1
answer
Last activity 2017-12-12 12:49:00 +0200 by Torbjørn Øvrebekk

nRF52832 Advertising Energy Profile

This is the Energy Profile that is shown for the nRF82832 and I am wondering about the RX/ switch parts. I assume these RX phases are for receiving scan requests? What happens if I set advertising mode to ADV_DIRECT_IND or ... (more)

24
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1
vote
2
answers
Last activity 2017-12-11 19:21:02 +0100 by niklasjakob_2611

How do I add 2nd base UUID for Service and Characteristic?

Hello, i try to get a service with base_uuid1 and to this service a characteristic with the base_uuid2. I am trying to implement BLE MIDI, the BLE_MIDI Specs:

  1. BLE Service and Characteristics Definitions The following service and characteristic are defined ...
(more)

53
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no
votes
2
answers
Last activity 2017-12-11 17:20:52 +0200 by Torbjørn Øvrebekk

When is NUS ready? [closed]

I'm using SDK 14.2 (not really relevant I guess) on an nRF52832. The application requires a greeting to be sent to the remote through NUS as soon as a connection is made. The first tranfers are always lost ... (more)

48
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no
votes
1
answer
Last activity 2017-12-11 16:17:00 +0200 by Ketil

Recommend me reverse voltage protection component.

Hello Sir, I am designing PCB using nRF52832 SoC it is very small and operated on AA battery source. So please recommend me for reverse battery voltage protection diode or MOSFET. I am confuse which components is best and not ... (more)

34
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no
votes
1
answer
Last activity 2017-12-11 13:12:06 +0200 by run_ar

nRF52832 lost bond but Android phone did not

Hi. I am connecting to and establishing a bond between my Android phone and the nRF52832 board using the s132 SoftDevice. I'm in a situation where the Android phone has a bond for the board, but the board does ... (more)

28
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1
vote
1
answer
Last activity 2017-12-11 13:05:00 +0200 by run_ar

DTM in nRF5 SDK v14.2.0 off spec?

Hi, I have a question regarding DTM in nRF5 SDK v14.2.0. From what I understand Nordic is making use of the payload type '11' = Vendor Specific and is using the length parameter to encode information about the vendor ... (more)

56
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1
vote
1
answer
Last activity 2017-12-11 12:23:22 +0200 by run_ar

UART switching in nRF52832

Hello,

We plan to switch between two sets of UART pins for factory testing. One set will talk to an IC in our design and the other to a USB port through FTDI. Since simultaneous communication is not needed we ... (more)

39
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no
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no
answers
Last activity 2017-12-09 07:50:40 +0200 by vishal

Problem with Wi-Fi communication and BLE communication?

Hi,

I am trying to send data to server using ESP8266 WiFi module interface with nRF52832 DK board via UART interface. My problem is when i sent AT command to ESP8266 it get respond but i want to set SSID ... (more)

114
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no
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no
answers
Last activity 2017-12-08 17:34:46 +0200 by T_chapelle

nrf52832 Uart SDK14

Context : I am using a nrf52832 to communicate via UART to a STM32 on a custom board. I've based my work on the Ble nus service example. Main change from the DK is that i don't have an ... (more)

65
views
no
votes
1
answer
Last activity 2017-12-08 07:22:03 +0200 by Syuan

FDS example code for SDK 14.2

hello everbody~ I have a problem with the FDS example code.My sample code is SDK version 11.But I now use the SDK14.2 version and nrf 52832 MCU.

The SDK 11 detailed example code is...:

static ret_code_t fds_read ...
(more)

52
views
no
votes
2
answers
Last activity 2017-12-08 04:20:49 +0200 by efiLabs

Eclipse gnu-mcu-arm makefile project vs managed project

a friendly hello to anyone interested in my question and setup

first i would like to explain the makefile setup, which works and 2nd i will go into the managed one and the linker errs i'm getting using the ... (more)

26
views
no
votes
1
answer
Last activity 2017-12-08 03:36:42 +0200 by Justas

Error invalid parameter on charateristic add

Hello !

I'm struggling with my Bluetooth configuration on the NRF52832. I'm running with the latest SDK (14) and the S132 SoftDevice.

When I'm trying to add a characteristic to my service, I'm getting an error 7 ... (more)

20
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no
votes
no
answers
Last activity 2017-12-08 03:12:19 +0200 by Ferrel4004

Start advertising after connection's hard fault

Hello all:

I have faced a problem that my device will report hard fault when I try to start advertising after force disconnect the device.

My EV board is nRF52832 and develop with SDK12.2.First I connect device with ... (more)

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  • Resolved questions: 11261
  • Unanswered questions: 3819
  • Total questions: 27801