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22,432 questions

408
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Last activity 2013-08-13 14:05:57 +0200 by steven

Measurement custom hardware transmitting power

hi, Now,my pre-Develop product(BLE),that to measure the Tx transmit power not correct with my setting(default 0dbm). so,i have program a project for to sure the reason(Hardware or others)?

Have a project for measurement transmitting ... (more)

1k
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no
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5
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Last activity 2013-08-13 13:41:27 +0200 by Godric Goodrich

BLE masteremulator.dll - Problem with masteremulator. bond() method

Hi,

I have been experimenting with the master emulator .dll - I started with the HidDemo project which is written in C#. This seems to work perfectly well.

I have rewritten ( translated ?) the demo code into VB.NET ( Visual Studio Express ... (more)

542
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no
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1
answer
Last activity 2013-08-13 13:25:20 +0200 by Nils Minor

Ho to change power off mode?

Hi,

how can i change that my programm doesen't go to power off mode? I use the ble templete.

Best regards Nils

616
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1
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1
answer
Last activity 2013-08-13 11:56:55 +0200 by Nils Minor

How to use app_timer_cnt_diff_compute

Hi,

i need to handle a button detection Time, i mean when i push the button for 2 seconds something should happen. How can i use the app_timer_cnt_diff_compute function for that?

Best regards Nils

821
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no
votes
2
answers
Last activity 2013-08-13 10:23:51 +0200 by Guest

Sample QDEC (quadrature decoder) code?

Can someone point me to sample code exercising the quadrature decoder found on the nRF51xx series (or something similar). Thanks!

219
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no
votes
1
answer
Last activity 2013-08-13 07:52:50 +0200 by Dave

nRF8001 Handshaking issue.

I a writing my own interrupt and DMA based code for sending commands and getting events from the nRF8001. The 8001 creates an event for every command, but if you want to clock out an event with dummy MOSI data ... (more)

1k
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1
vote
3
answers
Last activity 2013-08-13 07:50:18 +0200 by Andrey

nRF8001 What is the maximum data rate with peered device?

As stated in standard the maximum data rate is 0.27Mbps. So is that is true for nRF8001 ??

267
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no
votes
1
answer
Last activity 2013-08-13 00:33:16 +0200 by oscalcmen

CODE_R1_BASE question

Hello, Can you please help me with the following questions.... Why table 3 in the softdevice spec shows the same address for the application code_r1_base when softdevice S110 is either enabled or disabled? So, if I use the S110 softdevice ... (more)

2k
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2
votes
5
answers
Last activity 2013-08-12 20:19:56 +0200 by Wobs

Can I use my nRF51822 EK (PC10001) to debug a custom PCB board?

It's possible with some vendors to have an "out" mode and use the devkit as a debugger for custom PCB designs. Is it possible with the EK?

4k
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4
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4
answers
Last activity 2013-08-12 15:43:33 +0200 by acmarkham

How to get RSSI by nRF51822-EK

I am a freshman. And I am doing some research on BTLE by nRF51822-EK. I want to get RSSI. Could you please tell me if there is a reference code or project in SDK? Is there any book about development ... (more)

3k
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5
votes
2
answers
Last activity 2013-08-12 14:27:21 +0200 by Nils Minor

Changing the transmitting power

Hi,

where i can change the transmitting power?

best regards Nils

1k
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3
votes
3
answers
Last activity 2013-08-12 14:18:35 +0200 by Nokah H.tesla

How to use the nRF6350 board with nRF51822 Dev Kit ???

Hi guys,

I am getting started with your nRF51822 dev Kit. I got the nRFGo Starter Kit (nRF6310 Rev 1.4 mother board) as well. Most of the examples work as expected. But we couldn't make the LCD on ... (more)

1k
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no
votes
1
answer
Last activity 2013-08-12 14:17:51 +0200 by Morten Thomsen

How many BLE devices can coexist in the same area?

Hej Nordicsemi,

We're developing a new product based on Bluetooth LE. And we would like to know if thousands of BLE devices can coexist in the same area. Preferable all should be able to send send a short beacon ... (more)

284
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no
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1
answer
Last activity 2013-08-12 14:16:06 +0200 by Bryan

Can a single peripheral (i.e. Nordic) talk to multiple centrals (i.e. iphones)?

I have a customer that wants to be able to have a single nRF51822 sends sensor information to two iphones at the same time. Is this possible? Can you pair a peripheral to two centrals?

2k
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4
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1
answer
Last activity 2013-08-12 13:57:17 +0200 by Sébastien Despont

How to redefine PPI tasks inside a TIMER interrupt ???

Dear Nordic Developer Zone,

I am working on a BLE application using nrf51822 with softDevice.

My aim is to be able to redefine which GPIOTE channel my PPI is using inside the TIMER1 interrupt under logical conditions.

Unfortunately, all softdevice ... (more)

491
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2
votes
1
answer
Last activity 2013-08-12 13:17:34 +0200 by Pablo Garcia

Increase data credits (number of buffers) in nRF8001

With nRFgo Studio, I define the services in the nRF8001: I create the pipes I need, and so on...

Is there any way to increase the number of credits (i.e. the number of buffers that the nRF8001 makes available ... (more)

829
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1
vote
2
answers
Last activity 2013-08-12 09:17:48 +0200 by steven

how to enable/disable ppi and gpiote

Hi ,everyone:

i design a pwm driver ,that contain one timer(TIMER2) and 4 ppi interface.

1.pwm(ppi and gpiote) Now,i have a problem with it not be Synchronous .when i pause one of pwm pin(by ppi ... (more)

5k
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3
votes
3
answers
Last activity 2013-08-12 07:13:35 +0200 by Nils Minor

Gatt or gap?

Hi ,

i read tha the default profile for BLE is GATT but in the BLE_templete GAP is used. How can i interpret this? Which Profile i have to use when i wannt support for IOS and android ?

Best regards Nils :)

547
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1
vote
2
answers
Last activity 2013-08-12 05:40:07 +0200 by Yalcin Akdogan

Variable in non-volatile Memory ! [closed]

I have 24 bytes structured configuration data that are changing sparingly. Goal is to keep them in form of non-volatile memory with a reasonable long life span.

I am aware of flashing them not in a connection.

Is there a ... (more)

678
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no
votes
1
answer
Last activity 2013-08-09 20:04:48 +0200 by Jeff Finkelstein

nRF51422 External Clocks

We plan on using the external 16 MHz and 32 KHz oscillator inputs to reduce BOM costs since our host micro uses a 16 MHz and 32kHz crystal and it can generate outputs. If we want to minimize power consumed ... (more)

2k
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no
votes
1
answer
Last activity 2013-08-09 17:08:44 +0200 by Chris

nrf51422 - 'J-Link Cortex-M Error' when atempting to load application to device

I'm attempting to load the ant-fs reference design to two different nrf51422 evaluation boards. The application builds successfully but I am having difficulties loading it onto both boards.

On board1, the application is able to load successfully from Keil ... (more)

702
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no
votes
3
answers
Last activity 2013-08-09 10:56:59 +0200 by Mathias

PCA10000 as data logger

Hi,

is it possible to use the PCA10000 as a data logger, to transmit the incoming data over USB to a terminal programm? Are their any limits, e.g. for the data rate?

Thanks in advance!

Best regards, Mathias

1k
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1
vote
2
answers
Last activity 2013-08-08 12:57:12 +0200 by Nuno Lourenco

Broadcast with custom UUID

Hi,

I am trying to figure out how I can advertise with a custom UUID... I know I have to start by adding a base address and then build on top of it. However, when I try to advertise I ... (more)

750
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-1
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2
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Last activity 2013-08-08 10:11:59 +0200 by Achim Berger

Troubles with reading NRF_RADIO->STATE

Hi,

I use the nRF51822 on the PCA10001 and nRF6310/PCA10005 boards. I modified the radio_tx_example and wanted to read the actual state of the radio. Therefore I used a volatile variable array (volatile uint32_t dummy[10]) to copy the ... (more)

404
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no
votes
1
answer
Last activity 2013-08-07 19:17:46 +0200 by Bret Foreman

Scripting with MCP and PCA10000

I have a large list (a few hundred) of BLE messages that need to be sent as part of a regression test of my app. I'd like to script that. Is there a command line interface (CLI) for the ... (more)

2k
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no
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3
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Last activity 2013-08-07 19:11:42 +0200 by Bret Foreman

Using the uVision IDE with a GIT repo

I've recently started sharing development activities with another developer. I created a GIT from the folder: C:\Keil\ARM\Device\Nordic\nrf51822\Board\pca10001\ble\myProjectFolder

The project inside myProjectFolder builds fine on my machine. I upload everything in ... (more)

469
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no
votes
2
answers
Last activity 2013-08-07 14:01:56 +0200 by Mike Wirth

Do I need a different id/pw for the dev zone than the Nordic Semi site?

Title says it all. My nordicsemi.com id/pw is not working here. (But it isn't working there either. I'm getting the following error, which I presume is some breakage in the web site programming:

Fatal error: eZ ...

(more)

2k
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no
votes
1
answer
Last activity 2013-08-06 13:56:14 +0200 by Viktor

nRF51822 timer problems

Hi, I've been trying to use the timers on nRF51822 but I just can't get them to work in my code. When debugging (with GDB and Eclipse), the execution always stops with the following error: No source available ... (more)

932
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no
votes
2
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Last activity 2013-08-06 12:08:26 +0200 by Nils Minor

Bluetooth uart

Hi, is there an example for using the nirdic uart app for the iphone? Which example i have to use on my chip?

Best regards Nils

3k
views
3
votes
1
answer
Last activity 2013-08-06 08:25:28 +0200 by Yalcin Akdogan

How to determine Tx Power Level Value? [closed]

Hi,

It is not transparent to me, how can I determine this value? Is it a best practices value? I want to implement Tx Power profile but I don't know where to get this value.

Another question is, how ... (more)

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