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23,073 questions

593
views
3
votes
1
answer
Last activity 2014-03-11 15:31:14 +0200 by Lukas

Using ANT for proximity applications

Is it possible with Nordic NRF51422 to perform accurate proximity ranging to make sure that a circle of 2 to 3m but not more is identified in a reliable way? What is the accuracy for RSSI measurement or for proximity ... (more)

583
views
no
votes
1
answer
Last activity 2014-03-11 14:55:49 +0200 by John Vourvoulakis

RemoteUserTerminatedConnection reason causes disconnection between central and peripheral

Hi all,

I am a new user to the BLE technology and to the Nordic's development tools/chips. I use the nRF51822 development kit and the nRFgo Starter kit to develop a BLE application and the PCA10000 USB dongle ... (more)

528
views
no
votes
2
answers
Last activity 2014-03-11 09:55:27 +0200 by sugarchai

Is it possible switch SPI master role to slave role?

Hi, I'm using PCA10001 connect to a sensor chip.I would like to set the register values for sensor chip as SPI master role and I need to switch to slave role to read the sensor data from sensor ... (more)

404
views
no
votes
1
answer
Last activity 2014-03-11 08:05:04 +0200 by ziv

some problems about Integrating 2 application firmwares on 51822

Hi, For providing OTA function , I add dfu service into my own application APP1. and create another application App2 to copy the new firmware(named APP3) and cover the flash area, where APP1 is burned. the new firmware is received ... (more)

245
views
no
votes
4
answers
Last activity 2014-03-11 06:48:27 +0200 by Rory

What type is the U14 on the nRF6310

Dear Noridc team, The U14 is damaged, but I don't know what type is it? Can you please tell the type?

Many regards.

169
views
no
votes
1
answer
Last activity 2014-03-11 06:17:28 +0200 by Damian

nRF8001 heart rate demo not sending data

Hi Guys,

i'm a newbie, trying to get the heart rate demo project working.

I've connected the nRF8001 to my own hardware, using a PIC processor.

i'm able to connect to the master emulator, and enable services ... (more)

898
views
1
vote
1
answer
Last activity 2014-03-10 22:32:28 +0200 by Camilo

Re-program MAC ID

Hi guys, Is there any way that I can re program the MAC ID of the nRF51822 devices through the SWD interface? I was able to do this using the UART interface with the BL600 (Laird) module which is based ... (more)

469
views
1
vote
2
answers
Last activity 2014-03-10 21:21:44 +0200 by Anthony Ambuehl

What is maximum number of event handlers supported for radio notification event handler?

My application would like to receieve notifications at several different times before a radio notification event. Specifically the application needs to receive notification 250mS before and the flash manager requires notification 50mS before.

Does ble_radio_notification_init support multiple event handlers and ... (more)

975
views
1
vote
1
answer
Last activity 2014-03-10 20:11:49 +0200 by Gil dePaula flag of United States

What is the API call to send data from the nRF51822 device to the iOS/Android master?

Hi all,

When I receive data from the phone app, I do it via this service handler (and it works):

err_code = ble_services_init(&my_device_service, ble_receive_handler);
APP_ERROR_CHECK(err_code);

Now I would like to set something up to send data up to the ... (more)

1k
views
1
vote
2
answers
Last activity 2014-03-10 19:00:33 +0200 by Martin

How to add more services with 128b UUID - ble_advdata_set() returns error 12 (exceed data limit)

Hi, I'm trying to add more user services to LBS demo. I generated 128b UUIDs for my services. Then I should add them to list returned by scan response in function advertising_init() - there are 2 structs: ble_advdata_t advdata, scanrsp ... (more)

3k
views
no
votes
6
answers
Last activity 2014-03-10 18:57:03 +0200 by Vaio

Increasing Coverage of nRF51822 BLE module

For some sort of geofencing application, we want to include the BLE module nRF51822 into a Base Station (BS), and a small mobile device (MS). The MS should detect the presence of a signal from the BS. If it is ... (more)

859
views
no
votes
5
answers
Last activity 2014-03-10 18:00:25 +0200 by Marius R.

ADC issue (strange things happen when measuring)

Hi,

i am using the adc module to read 3 channels in an app_timer handler. I configure the adc each time i get into the handler to read the desired input and read it twice (first a dummy read out ... (more)

750
views
no
votes
1
answer
Last activity 2014-03-10 17:21:31 +0200 by Ignacio Lopez-Negrete flag of Spain

Problem when deleted Bonded master keeps bond

I am trying to manage the bonds as follows. I've defined the max bonded masters as 4 on my slave. When this list gets full, I delete a random bonded master on the slave (not the last one in ... (more)

10k
views
2
votes
3
answers
Last activity 2014-03-10 17:10:43 +0200 by ABDELLI-W

I2C example with NRF51822

Are there any I2C examples for the nRF51822 ( write/ read functions) ? If not, can anyone suggest a good starting point for I2C? I am using Eclipse kepler for development. Thank you for all suggests.

663
views
no
votes
2
answers
Last activity 2014-03-10 16:23:07 +0200 by Frederic

Proximity bonding

Hello,

i have two operation modes: 1. One or more devices are bonded and advertising mode with whitelist (BLE_GAP_ADV_FP_FILTER_CONNREQ) 2. A new proximity central device should be added to the whitelist. When an unknown proximity is close to the proximity ... (more)

1k
views
no
votes
2
answers
Last activity 2014-03-10 14:30:46 +0200 by Arnaud Waels

S120 softdevice on nRF51822 : How to alternate between scanning and advertising

Hi,

On a nRF51822 (QFAAG0) with S120 softdevice (using the recent PCA 10001 v2.2.0 board), i'm trying to perform these operations successively: - a simple RSSI scan - stop scanning - start advertising

Refering to this topic : Can nRF51822 support ... (more)

1k
views
no
votes
5
answers
Last activity 2014-03-10 14:20:22 +0200 by Martin

Problem with connection

Hi, I created firmware to nRF51822 Development Kit but I have a problem with connection. PCA10004 board is programmed to advertising packets whole the time and measure battery voltage level every hour (APP_TIMER_PRESCALER 8, BATTERY_LEVEL_MEAS_INTERVAL APP_TIMER_TICKS(3600000, APP_TIMER_PRESCALER)) but from ... (more)

923
views
no
votes
1
answer
Last activity 2014-03-10 14:16:44 +0200 by Lee YongKwan

How extend tx packet length(BLE_NUS_MAX_TX_CHAR_LEN)?, and..

I am developing packet exchange process for betwween nRF51822 BLE to My MCU. I modify to use nordic demo project. It is place C:\Keil\ARM\Device\Nordic\nrf51822\Board\pca10001\s110\experimental\ble_app_uart Now, I can transmit 26 packet ... (more)

1k
views
1
vote
2
answers
Last activity 2014-03-10 10:27:46 +0200 by Martin Tramšak

Debug mode on nRF51822

Hi,

There were similar questions already anwsered but none of them work for me. So the situation is as follows. When i program the chip though SWD interface the chip probably enters debug mode and the power consumption is around ... (more)

517
views
no
votes
1
answer
Last activity 2014-03-10 09:20:09 +0200 by Elliot.Chao

Get App attributes for ANCS sample

I try to use 51822 to run ANCS sample(ble_app_ancs). It work well and I can get notification source and notification attributes. But I don't see any source code for get App attributes. Is it right? This sample don ... (more)

465
views
no
votes
2
answers
Last activity 2014-03-10 05:07:44 +0200 by ziv

what is the usage page and usage code for adjusting the brightness on ios

to control IOS by HID, for example, the volume up and down is 0xE9 and 0xEA in consumer page(0x0C). what's the brightness down and up?

I have test Display Brightness( 0x46) in the alphanumeric display page(0x14), there ... (more)

672
views
no
votes
3
answers
Last activity 2014-03-10 01:11:36 +0200 by Alessandro Menegatti

How to connect nRF2740 to Arduino Micro

Hi, I'd like to connect my nRF2740 to my MCU Arduino Micro and test it with the sample codes found in your GIT repo. How can I do this? Best regards, Alessandro

2k
views
5
votes
1
answer
Last activity 2014-03-09 22:56:58 +0200 by David Smoot

Can I write an available UICR register directly with nrfjprog.exe?

I want to use a UICR for device serial number. Correct me if I am wrong but it is my understanding that a UICR cannot be changed programmatically like onboard flash can. So right now I can use the free ... (more)

501
views
1
vote
3
answers
Last activity 2014-03-08 03:30:44 +0200 by gootoomoon flag of China

Can I bond master when conected?

In the example of hid_mouse, ble device will bond master when disconnect event happen.

I try to add this two codes to Implement my idea.

            err_code = ble_bondmngr_bonded_masters_store();
            APP_ERROR_CHECK(err_code);

But when I did this error appears

error:-559038737 ...line:783 ... (more)

832
views
1
vote
1
answer
Last activity 2014-03-08 02:08:36 +0200 by Eliot Stock flag of United Kingdom

APP_UART_COMMUNICATION_ERROR, NRF_UART0->ERRORSRC value of 2

I'm using the UART to talk to a GSM modem. It has hardware flow control and supports a baud rate of 115200. I'm using app_uart_fifo.c, not app_uart.c. I'm using the SoftDevice and have it enabled ... (more)

460
views
no
votes
3
answers
Last activity 2014-03-07 21:58:57 +0200 by Anthony Ambuehl

nrf sniffer cannot cannot capture connection with TI ble device

I'm developing a next generation device using nrf51822. To replicate existing behavior I'm trying to sniff the previous generation product behavior using the ble sniffer on pca 10000. The previous generation uses TI cc2540 which advertises across multiple ... (more)

416
views
no
votes
2
answers
Last activity 2014-03-07 16:53:04 +0200 by Marcus Rundgren

Easiest way to test throughput with the Evaluation Kit?

Hi,

I need something that can be the Master and talk to the Evaluation Kit Board to try to send a large amount of data. Do the Master Control Panel, or the mobile app nRF Master Control, support that? In ... (more)

479
views
4
votes
3
answers
Last activity 2014-03-07 15:33:27 +0200 by Hailang

Simulation for nRF51822

Hi,

Does Nordic Semiconductor provide any resources (codes, macros, documents) for work with IAR or Keil's simulator to fully simulate nRF51822's peripherals?

Thanks.

1k
views
1
vote
1
answer
Last activity 2014-03-07 15:22:05 +0200 by Sébastien Despont

How to delete WHITELIST data?

Hi,

I need to delete all centrals using ble_bondmngr_bonded_centrals_delete ble_bondmngr.c function. It is working but it is not cleaning the whitelist.

So, when I do:


 err_code = ble_bondmngr_whitelist_get(&whitelist);
 APP_ERROR_CHECK(err_code);

if ((whitelist.addr_count != 0) || (whitelist.irk_count != 0)) {..}

The whitelist ... (more)

688
views
13
votes
4
answers
Last activity 2014-03-07 14:53:22 +0200 by Peeter Vois

Getting NRF_INVALID_PARAM when hid device is not keyboard nor mouse

SDK version: 5.1.0 S110 version: 6.0.0 chip: nRF51822

I am experimenting a generic Data transfer hid device, the report map is as follows:


 0x05, 0x0C, // Usage Page (Consumer devices),
 0x09, 0x00, // Usage (unassigned),
 0xa1, 0x02, // Collection ...
(more)

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  • Resolved questions: 9667
  • Unanswered questions: 2797
  • Total questions: 23073