RSS
Sort by » date activity ▼ answers views votes

25,470 questions

178
views
no
votes
no
answers
Last activity 2014-04-18 05:52:52 +0200 by Kazuya Osaka

Can nRF24LU1+ support USB Selective Suspend?

Hi, I'm working on a Keyboard&Touchpad project, very similar configuration with Smart Remote 2, so I'm considering to use nRF24LU1+ as receiver's MCU. The receiver will be mounted in Windows PC, so it should support USB ... (more)

219
views
no
votes
2
answers
Last activity 2014-04-18 05:02:42 +0200 by Paul

Is nRF51422 QFAAC0 going to fade out?

We have some product using nRF51r22 QFAAC0. E0 version is replacing C0 now. I just want to know when is Nordic going to stop producing the old version? Thanks

221
views
no
votes
no
answers
Last activity 2014-04-18 04:24:40 +0200 by xiewen

What is the procedure of scanrsp data reception by the central?

uint32_t ble_advdata_set (const ble_advdata_t *p_advdata, const ble_advdata_t *p_srdata)

If I set the second parameter p_srdata, does it mean passing encoded advertising data and scan response data to the stack together (2*31byte)? my first question is : Is the scanrsp data ... (more)

1k
views
no
votes
1
answer
Last activity 2014-04-18 01:46:50 +0200 by lam

What parameters to use to send more packets per connection interval?

It seems that I can send 2 packets per connection interval but not more on the Nexus 4. When I try to send 4 packets per connection interval, it seems that I run out of TX buffers. But according to ... (more)

294
views
no
votes
no
answers
Last activity 2014-04-18 01:38:21 +0200 by lam

Python / Ruby libraries

Hi developers,

Just wondering if anyone has worked with a good BLE Python library that he can recommend. I have BLE peripherals that send out notifications. What I'd like to use the Python/Ruby libraries for is connecting to ... (more)

456
views
no
votes
1
answer
Last activity 2014-04-17 22:36:45 +0200 by Nadgob

Connect to ANCS without bonding

Hi,

I'm using Nordic 8001 with Arduino.

I successfully connected to ANCS. The problem is that i need another iOS App that scans for services on my bluetooth device and after that i receive an alert to enter the ... (more)

397
views
no
votes
2
answers
Last activity 2014-04-17 22:23:14 +0200 by Nadgob

Can't restore Bonding

Hi,

I have a problem at restoring the bonding that is saved on Android EEPROM. I'm using Nordic 8001

I'm using the example from proximity. I modified the services.h using NRFGO to support ANCS and i added ... (more)

421
views
no
votes
1
answer
Last activity 2014-04-17 20:23:13 +0200 by Erik Larson

How to load a SoftDevice on nRF51822-mKIT

There is no documentation for the nRF51822-mKIT. How do I load the SoftDevice?

797
views
3
votes
2
answers
Last activity 2014-04-16 15:21:31 +0200 by Krzysztof Rosinski

How to read scan response data on S120 central

Hi,

Can you please advice how to read "scan response" data on the central device? I'm still using 1.alpha SoftDevice.

Kind Regards, Krzysztof Rosinski

235
views
no
votes
1
answer
Last activity 2014-04-16 14:56:57 +0200 by Umair

nRF24lu1p as HID device

Hi all i am working on Student Response System in which there multiple Transmitter and one Receiver and i want Receiver(nRF24lu1p) to behave as HID device. Can any one provide Example code for nRF24lu1p as HID ????

586
views
no
votes
1
answer
Last activity 2014-04-16 12:30:00 +0200 by Jeffery

[nRF51822] Questions for ANCS

Hi As far as I known, ANCS profile is for iOS7 and Alert Notification profile is for Android.

  1. I can find ANCS example (ble_app_alert_notification) in SDK. I followed the SDK document to set up it, then open iOS7 bluetooth to ...

(more)

495
views
no
votes
no
answers
Last activity 2014-04-16 12:02:35 +0200 by Ahmed Gadallah

Writing to the flash during the on air run time!!

Hi guys,

I am new to Nordic and I am using the evaluation kit "pca10001".

I have managed to run the LED BUTTON example which was declared in application note "nAN-36"

Now, I am trying to write to the flash ... (more)

130
views
no
votes
1
answer
Last activity 2014-04-16 10:56:54 +0200 by Daniil

there is the product key?

i`he received the nRF8001-DK from mouser. rev 1.4 2013.42 sn 10001954 there is no product key inside it! what is wrong?

410
views
no
votes
no
answers
Last activity 2014-04-16 10:09:44 +0200 by Kah-Yong Lee

S110 v7 bootloader function

Hi,

I am having problem with the bootloader function of s110 v7. I am able to download the s110 softdevice. My application code was recompile with v7 header files. Able to download it and run my application. So far so ... (more)

1k
views
1
vote
3
answers
Last activity 2014-04-16 09:46:56 +0200 by Robin

Bootloader for nRF51422 ?

Hello Everybody,

I need to write a boot loader for nRF51422. Any suggestion for it, reference site ,sample code for quick reference ?

thanks and regards Robin Singh

1k
views
no
votes
3
answers
Last activity 2014-04-16 09:46:25 +0200 by Robin

is it possible to Run the nrf51822 DFU program on nrf51422 new version ?

Hi All ,

I am trying to run the nRF51822 DFU sample code(SDK5.1) on nRF51422 new chip set(QFAAE0).but when i am running on nrf51422 i am getting below message and able to jump in bootloader but this ... (more)

2k
views
no
votes
2
answers
Last activity 2014-04-16 09:05:16 +0200 by steven

CONNECTABLE MODES - PERIPHERA and CENTRAL

hi, i survey the Bluetooth again , i have some issue about the Connectable mode

  1. Connectable mode.

i see the peripheral connectable setting : PERIPHERAL :

Non-Connectable Mode (BLE_GAP_ADV_TYPE_ADV_NONCONN_IND) Undirected Connectable Mode(BLE_GAP_ADV_TYPE_ADV_IND) Directed Connectable Mode (BLE_GAP_ADV_TYPE_ADV_DIRECT_IND)

On the other hand , On Central ... (more)

786
views
1
vote
3
answers
Last activity 2014-04-16 09:04:48 +0200 by steven

how to close the spi interface

hi, now ,i have save the power,so need to close the spi interface at some time. but when i call follow function (hal_spi_disable). it see not close the spi interface,

if any issue about this?


uint32_t hal_spi_disable(SPIModuleNumber module_number ...
(more)

2k
views
no
votes
4
answers
Last activity 2014-04-16 06:22:15 +0200 by FU HUNG KWAN

nRF51822 Heap Size change from 2048 to 1024

Dear Sir,

What is effect, if I change the Heap Size from 2048 to 1024 in arm_startup_nrf51.s file?

On my project, my device (nrf51822) connect iphone with ANCS, sometime I find the device nothing response, I am worried the ... (more)

323
views
no
votes
1
answer
Last activity 2014-04-16 06:20:24 +0200 by FU HUNG KWAN

Master Control Panel log file

Dear Sir,

I open the Master Control Panel log.txt file, I can see Serial port read: 04-3E-13-01-00-00-00-00 and Serial port write: 02-00-00-09

Where can find the full list command?

Because I direct control the COM-Port, I do not how ... (more)

1k
views
1
vote
1
answer
Last activity 2014-04-16 06:19:51 +0200 by FU HUNG KWAN

CPU lock-up detected

Dear Sir,

I used nRF51822, I found sometime the program reset itselft. Then I made a test program to send out the "RESET REASON"by BLE message. I found the reset reason = 0x1000C. refer to "AIRCR.SYSRESETREQ"& "CPU lock-up" detected ... (more)

190
views
no
votes
no
answers
Last activity 2014-04-16 03:15:24 +0200 by Chris

Undergraduate Student in Need of Advice

Hello everyone,

I am a college engineering student working on a circuits project, and I need some help. The project is to design a proximity device that sounds an alarm when a transmitter is out of range. The device includes ... (more)

726
views
no
votes
2
answers
Last activity 2014-04-15 23:05:25 +0200 by Tiit Rätsep

SD120 central device RSSI problem

Hi,

We are developing a pair of devices - one central and one peripheral at the moment and we would like to be able to read the value of RSSI on both of them on demand. The way I want to ... (more)

1k
views
no
votes
12
answers
Last activity 2014-04-15 21:18:38 +0200 by mtsunstrum

S120 Multilink Central app connects, then very quickly disconnects (Reason: BLE_HCI_CONN_FAILED_TO_BE_ESTABLISHED)

I have taken the S120 app, and am trying to have it connect to an external peripheral (not the provided S120 Multilink Peripheral app)

The S120 app successfully discovers the peripheral's advertising, and proceeds to establish a connection, and ... (more)

665
views
no
votes
no
answers
Last activity 2014-04-15 17:18:30 +0200 by Nicolas

Timers with Keil RTX-RTOS on NRF51822

Hello!

I'm trying to make timers run in my application on NRF51822, with Keil RTX-RTOS.

RTX-RTOS seems to be correctly configured in my project: tasks run without any problem. However, timers don't seem to work and I noticed ... (more)

607
views
no
votes
3
answers
Last activity 2014-04-15 16:33:41 +0200 by Antonio

Cannot find product key on my nRF51822-mKIT

I just received my mKITs. It is not the first product I have received and add keys into MyPage.

It just has a card that says to go int my account an add the keys, but I cannot find them ... (more)

171
views
no
votes
1
answer
Last activity 2014-04-15 11:40:14 +0200 by balaji

Custom board goes off mode

Hi,

We have a custom board with nrf51822 chipset, when i try to flash ble_app_proximity application through keil, it is giving advertisement, but i cannot able to connect with it, i attached the log file for your reference. If i ... (more)

203
views
no
votes
1
answer
Last activity 2014-04-15 11:34:01 +0200 by balaji

Is it possible to skip a advertising channel in an advertising event?

Hi, Is it possible to skip a advertising channel by maximizing the advertising interval? I can measure the current consumption of my device through CRO as specified in Evaluation Kit User guide (5.1.11). For 40 ms advertisement interval ... (more)

220
views
no
votes
1
answer
Last activity 2014-04-15 11:31:45 +0200 by jimlin

What cause the MIC wrong???

Hi,

I catched the air data packets by Sniffer and it shown that there was an error, MIC incorrect, which could be seen as followed, and the whole packet was malformed.
I am not clear about this. After the bonding ...
(more)

146
views
no
votes
1
answer
Last activity 2014-04-15 11:24:56 +0200 by patrick

ITU Emmision designator for a BLE system

Hello,

Is the ITU Emmision designator for a 2.4 GHz Low power ble system also applicable ? Also do we need that ITU emmision designator ?

Thx.

patrick

Statistics

  • Total users: 24459
  • Latest user: Luann Byrum
  • Resolved questions: 10456
  • Unanswered questions: 3313
  • Total questions: 25471

User menu

    or sign up

Recent questions

Tags

Show all tags