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Last activity 2017-10-17 18:34:31 +0200 by luckxiaoer

can't program nrf52832ciaa

can't program nrf52832ciaa image description

I can connect the core through segger commander image description

I can erase the chip after push the download bottom in the keil 5 ,and erase the chip

image description

but I can't program , what's wrong ?

5
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1
answer
Last activity 2017-10-17 19:13:14 +0200 by Khan

nRF52840 and others " printf()"

Hey Everyone,

I am new to nordic development. I am really used to programming with easy environments like the Arduino. I have seen some examples using the printf() command.

I am using Keil uVision and can use the debug mode ... (more)

8
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1
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1
answer
Last activity 2017-10-17 18:45:35 +0200 by Nguyen Hoan Hoang flag of Canada

Help with breakpoints on Eclipse with sdk14 please

Hello

I have setup my Eclipse(neon3) on Linux following the instructions in https://devzone.nordicsemi.com/tutori...

I cant compile and flash the image. But cant breakpoint. I have tried the solution in https://devzone.nordicsemi.com/questi.... Updated ... (more)

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Last activity 2017-10-17 18:15:05 +0200 by Ruediger

Maximum power consumption

Hi, were are looking forward to redesign our PCB. The nRF51822 will communicate via I2C which sinks up to 3 mA and 15 IOs will source the maximum rate of 15mA. Additional to this, the Bluetooth will consume power.

I ... (more)

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Last activity 2017-10-17 18:14:45 +0200 by Yatekii

Advertising restart after a disconnect event

Hi!

Using SDK 14, I am advertising and see my device on the phone with nRFConnect. The indication LED flashes (indication) properly and in fixed intervals. When I connect with my phone the LED lights up without flashing as expected ... (more)

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Last activity 2017-10-17 18:13:46 +0200 by Ruediger

Maximum power consumption

Hi, were are looking forward to redesign our PCB. The nRF51822 will communicate via I2C which sinks up to 3 mA and 15 IOs will source the maximum rate of 15mA. Additional to this, the Bluetooth will consume power.

I ... (more)

17
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1
answer
Last activity 2017-10-17 17:26:52 +0200 by Yaniv Nis

Unit testing with Unity and SoftDevice

Hi,

I'm currently in the process of integrating unit testing into our firmware development process. I'm trying to execute on-target tests with the Unity test framework, using the Nordic-modified version provided in this post.

This has been working ... (more)

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Last activity 2017-10-17 15:54:53 +0200 by Francois5Co

How to reach nRF52840 UARTE current supply specification ?

Hi, I work on the nRF52840-Preview-DK board. I try to make a ble to uart bridge and I start with the nRF5 SDK 14.0.0 ble_app_uart example.

I compare the current supply of the example and the same code ... (more)

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Last activity 2017-10-17 15:18:18 +0200 by Abhijeet kapse

how to write a functions(program) for transmitting and receiving data over uart using nrf 51822?

Hi, there i am using nrf51822 to communicate with quectel ec25 .i want to send AT commands over uart and receive some response from quectel.for eg. i am sending a "AT" command i should get "ok" response in return ... (more)

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Last activity 2017-10-17 15:48:02 +0200 by Sigurd flag of Norway

Any way to increase TX buffers on S110 (nrf51822) ?

I've read that the number of tx buffers on the S110 is fixed at 6, however I've also read that this may be configurable on future versions of the softdevice (https://devzone.nordicsemi.com/questi...).

I can't ... (more)

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Last activity 2017-10-17 14:29:26 +0200 by Dajgoro

pstorage issues

Hi

I'm trying to use pstorage to save some info (device name, and user info). I've found the following links with examples: http://infocenter.nordicsemi.com/inde...

https://devzone.nordicsemi.com/questi...

Which have code that looks rather ... (more)

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Last activity 2017-10-17 13:52:33 +0200 by jj

Error in Eclipse GCC when build project

I am encountering some problem in building eclipse project following the tutorial at https://devzone.nordicsemi.com/tutori... .

Previously I succeeded in building with another simple example project. But when I move on to use my project, it is not ... (more)

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1
answer
Last activity 2017-10-17 13:34:19 +0200 by emdi

Write in flash nrf52832 sdk 11s132 softdevice

Hi all,

i need to write in flash, and i try to use the example flash write of sdk. It works correctly but when i put it in my code, the writing register ( NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos);) failed.

The difference ... (more)

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1
answer
Last activity 2017-10-17 13:27:11 +0200 by emdi

How to use fstorage in SDK V14.0 with S132 v5.0

Hi,

I have used fstorage to save data in flash in SDK V13.0 with S132. But in the SDK v14, it have changed so many such as fs_config_t struct has been removed and I don't know how to ... (more)

9
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Last activity 2017-10-17 13:05:14 +0200 by saintnever

Sniffer cannot follow device

I'm using the 1.0.1 nRF Sniffer and 1.10.10 Wireshark on Windows 10 64bit. The firmware 1.0.1 is programmed to nRF51822 dongle using Jlink 6.12a. The exe works fine when no device is ... (more)

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Last activity 2017-10-17 12:54:52 +0200 by simao.pinheiro

NRF52832 - ETSI EN 300 328 V2.1.1 (RED - 2014/53/EU )

Good morning,

Some contextualization first:

At my company we developed a product that is based on your NRF52832 microcontroller. We are currently entering the certification phase and are in extensive talks with the Laboratory that is guiding us through the ... (more)

12
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1
answer
Last activity 2017-10-17 12:53:05 +0200 by Sigurd flag of Norway

About several problems nrf51822 PWM

How do you do 1.In the Nordic \ nRF5_SDK_12 _f012efa 2.0-3 d \ examples \ peripheral here, there are three PWM routines: Low_power_pwm, pwm_driver, pwm_library but only low_power_pwm and pwm_library can be used for NRF51822 right?

2.Low_power_pwm pwm_library and what ... (more)

16
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Last activity 2017-10-17 11:25:11 +0200 by Kaito

about current measurement

Hello, I am trying to measure the current consumption. i could cut the SB9. and i use analog discovery and measured!! the picture is shown in below.

https://gyazo.com/b9f5607148cd9415ea7...

This is a picture when I took current consumption ... (more)

8
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Last activity 2017-10-17 11:17:45 +0200 by sguitton01

TWI write BB Suspend

Hi all,

I noticed that the TWI driver is suspending the clock between each byte I send. My peripheral seems not to like that and so only ack but does not change it's register. I have a nRF52832 and ... (more)

18
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Last activity 2017-10-17 10:58:38 +0200 by Ricky

Is there a mesh gateway project in mesh SDK?

I got the BLE mesh SDK from: http://www.nordicsemi.com/eng/Products/Bluetooth-low-energy/nRF5-SDK-for-Mesh/(language)/eng-GB

I want to develop a mesh gateway to connect the internet. Is there a example gateway project for mesh?

Thanks.

15
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1
answer
Last activity 2017-10-17 11:42:03 +0200 by Stayhungry

ble_app_uart reset

When using ble_app_uart, I set the advertising timeout to 10s, but after the timeout did not enter sleep, but automatically reset,my judgment is based on the terminal to send "Uart start".

I found a lot of related problems in ... (more)

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1
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1
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Last activity 2017-10-17 10:30:55 +0200 by Thomas Stenersen flag of Norway

how can I debug nrf52832 by step

Hi I have run this example code nrf5_SDK_for_Mesh_v0.10.0-Alpha_src\examples\light_switch\client\light_switch_client_nrf52832_xxAA_s132_5_0_0.emProject

when I operate "Debug -- Go ", then press the button as follow picture, it run well. image description

image description

but when I operate "Debug -- Go", then press "F10" to ... (more)

24
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Last activity 2017-10-17 09:45:30 +0200 by sara

BLE Mesh Project with BLE_NUS

Hello,

I'm using the sample project from this post.

Following the steps and using nRF52DK, one for server and one for client. I've modified the server count from 3 to 1 in client project .

#define SERVER_COUNT (<<1>>)

The ... (more)

20
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1
answer
Last activity 2017-10-17 11:12:00 +0200 by Hung Bui

Write to FLASH after BLE init

I am working in sdk14 nrf52832 I want to write flash after BLE initializing ,but write flash it has no action

while(sd_flash_page_erase(64) != NRF_SUCCESS){} //address = 0x40000
while(sd_flash_write((uint32_t *)0x40000,(uint32_t *)&ptr,((sizeof(TypedefBle)+3)/4))){}
NVIC_SystemReset();

23
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1
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1
answer
Last activity 2017-10-17 09:15:18 +0200 by jj

Error Symbol could not be resolved using GCC Eclipse [closed]

I followed the tutorial on https://devzone.nordicsemi.com/tutori... to use Eclipse, GCC and GNU Debugger.

I encountered an error after the successful build (with key symbol) with CDT Build Output Parser, where the files are included by it ... (more)

18
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Last activity 2017-10-17 09:07:00 +0200 by Võ Thanh Hiếu flag of Viet Nam

Dynamically allocated data get overwritten

Hi, I am writing an application where I need to parse data into dynamically allocated structs at system initialization.

I have observed that some of my dynamically allocated uint8_t array got their first elements somehow overwritten. I am 100% certain ... (more)

21
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votes
1
answer
Last activity 2017-10-17 16:00:17 +0200 by Jørn flag of Norway

NFC Capacitor tuning

Hello everyone, I want to integrate NFC to one of my projects and I am having a problem with the value of some of the capacitors. I am looking into using the nRF52832.

I need to figure out the value ... (more)

28
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answers
Last activity 2017-10-17 07:11:16 +0200 by Rajani

System ON mode in nrf51822

I'm new to the nrf51822, i was connected led to one of the gpio pin of nrf51822 development board. In 1 minite i want to toggle led 20sec and remaining 40 sec in sleep. After 40 sec (sleep time ... (more)

18
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answers
Last activity 2017-10-17 07:08:49 +0200 by pavan

Voltage Level togic UART

Hi All,

We are working with one of project where we are interfacing our nRF51822 with GPS module via UART . now the query is our GPS module works on 3.3V rx/tx logic but nrf51822 works on VDD(3 ... (more)

15
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votes
1
answer
Last activity 2017-10-17 09:21:45 +0200 by Joakim Jakobsen flag of Norway

ble_app_hrs link in Eclipse tutorial is broken

Where can I download the example project that can be imported into Eclipse?

Tutorial: https://devzone.nordicsemi.com/tutori...

Broken link: ble_app_hrs

When I follow the link, I get this message: "The current document displayed does not exist in the ... (more)

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