RSS
Sort by » date activity answers ▼ views votes

27,801 questions

1k
views
no
votes
25
answers
Last activity 2016-07-25 19:06:53 +0100 by lesley

eclipse include path added, but still can't find nrf_error.h?

I am able to use eclipse to run simple project, but after move the real one, getting lost of errors:

https://www.dropbox.com/s/qfldec6dkwo...

I add required include path include/s110, but still complain can't find it ... (more)

2k
views
64
votes
23
answers
Last activity 2017-06-07 08:03:33 +0200 by max

Tutorials[Meta]

Hi,

We're working on making some more tutorials, we have some thoughts on what we want to do, but we would really like your input. After all it's you, the user, who will benefit from this material.

What ... (more)

4k
views
no
votes
21
answers
Last activity 2014-07-24 11:28:16 +0200 by anny

NRF24L01+ working irregulary

Hi everyone,

I bought two NRF24L01+ off ebay a couple of week ago and started to work on them this week. I seem to have problem with establishing a reliable communication between both devices. I enabled Shockburst by setting register ... (more)

8k
views
12
votes
18
answers
Last activity 2014-04-02 09:21:41 +0200 by bayi255

nRF UART App [closed]

where is "nRF UART App" nRF51822 code ?

5k
views
15
votes
16
answers
Last activity 2015-05-07 06:38:51 +0200 by Kyu

ANCS Sample doesn't work after rebooting iOS Device

I'm testing ble_app_ancs experimental sample.

It seems working first connection. But after rebooting iOS Device, or Turn Off/On bluetooth function on iOS Device, ANCS does't work.

After delete bonding both evaluation board and iOS Device, it works ... (more)

4k
views
2
votes
15
answers
Last activity 2016-07-18 15:25:27 +0200 by Peter

Flash write

Hello,

I'm trying to write value to a specified address with ble_flash_page_write .

I'm using ble_flash_page_write after ble disconnect event. I've tested different page address to be sure i'm not writing on application or s110 areas and ... (more)

6k
views
5
votes
14
answers
Last activity 2015-06-01 04:22:31 +0100 by crossd1111

Problem running/debugging nRF51822 GCC example project

Hello. I'm trying to start developing with the nRF51822 Eval kit with Eclipse and ARM GCC but I ran into some problems when trying to run the ble_app_hrs_example. I've been trying to solve it for the past two ... (more)

2k
views
no
votes
14
answers
Last activity 2013-08-21 08:22:44 +0200 by Sergy

SPI returns 0x0F on any request after random period of time [closed]

Hi, im using nRF24L01+ to constantly transmit data and all working fine, but at some point SPI fails and the only returned values I get are 0x0F - doesnt matter which register I try to read or write. Any idea why ... (more)

2k
views
7
votes
14
answers
Last activity 2014-06-19 00:46:47 +0200 by Jamie Simonsen

Eclipse with SDK5.2 nan-29

Hello,

I'm trying to get the SDK examples working in Eclipse. I have followed all steps(except debugging part) in the nan-29, but i can only import the s110/ble_hrs example with missing headers(see attachment)? Is there any ... (more)

5k
views
no
votes
13
answers
Last activity 2013-11-22 12:19:18 +0200 by steven

how to access iOS7's ANCS on nRF51822?

hi, i want to get the Email,MissedCall,Other(SMS) from Apple(ios7) to my device.

i survey that , ANCS(Apple Notification Center Service ) at the the Latest iOS7 and access to Notification Center, allowing Bluetooth devices to automatically receive ... (more)

6k
views
23
votes
13
answers
Last activity 2014-08-28 07:51:49 +0200 by RatocKen

Flashing bootloader and application via J-Link [closed]

Hello. I want to make flashing of devices for production faster. So I want to write application together with bootloader via J-Link simultaneously and not via OTA DFU. I'm using S110 v6 and dual bank BLE DFU from SDK ... (more)

15k
views
2
votes
12
answers
Last activity 2013-08-14 02:05:19 +0200 by yillkid

Keil toolchain/compiler configurations incorrect

Hi all

My target board is nRF51822, and I want to run the heart rate demo project, but a error message when I compile it :

[b]Build target 'nrf51822_xxaa_s110 (256K)' assembling arm_startup_nrf51.s... arm_startup_nrf51.s: error: A3903U: Argument '--pd' not ... (more)

13k
views
14
votes
12
answers
Last activity 2014-08-19 07:59:29 +0200 by bforutan

Is there an example code for using PWM on the nRF51822 with a SoftDevice? [closed]

I'm looking to add PWM functionality to my design to drive an LED. Examples exist for other devices, and those don't use the SoftDevice. Is there an example or some reference design for making the PWM module work ... (more)

1k
views
no
votes
12
answers
Last activity 2013-10-14 13:32:04 +0100 by michurin

Spent $500 and still can't start :-(

the very similar issue Friday, October 04 2013, 02:23 I have staerter kit + development kit. I have installed all required software and can't loat example code because I can't find example projects nor source files.

I can ... (more)

1k
views
no
votes
12
answers
Last activity 2013-11-08 21:45:35 +0100 by Frank Zhao

DEADBEEF from somewhere in SD, both production and alpha

The error I get is app_error_handler 0xDEADBEEF, 360 (line number), src\ll_lm.s0.c

This is with SD 5.2.1

With SD 6.0.0.1-alpha, sometimes I get

app_error_handler 0xDEADBEEF, 783, src\ll_lm.s0.c

What my code ... (more)

660
views
2
votes
12
answers
Last activity 2015-08-07 11:06:39 +0100 by kofboy

hid_mouse search ok on iphone 5s but connect failed,anybody meet this before?

my ble app of hid_mouse connect ok on Android and win8.1 but can't work normal on iphone 5s

1k
views
7
votes
12
answers
Last activity 2014-06-27 03:35:21 +0200 by steven

S110 v7.0 available this week. What do you guys think?

A big update this week for our S110 SoftDevice. Full OTA DFU for SoftDevice and Application. Also Multi-acivity concurrency for Bluetooth Smart and 2.4GHz protocols. As Developers working with our products we're interested in your thoughts?

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)

695
views
no
votes
11
answers
Last activity 2013-07-22 21:56:37 +0200 by Nils Minor

How to configure debuging options

Hi, my name is nils. I am trying to develop on the nrf51822 eval board. I use eclipse an gcc with the j-link under windows 7 to programm/compile/and flash. I got it to work, that i can complie ... (more)

2k
views
2
votes
11
answers
Last activity 2013-09-05 06:07:40 +0200 by Mihail

Data exchange through UART

I have nRF8001-DK and Arduino Uno. ble_uart_project_template from nRF8001 SDK for Arduino (Bluetooth_low_energy_for_Arduino_0_5_0_0_RC2) was used. It was used with Master Emulator with nRFUart sample code included. By using this template I can send string from nRFUart and recieve this one ... (more)

2k
views
1
vote
11
answers
Last activity 2013-10-22 13:22:25 +0200 by Alice

How to handle the DFU in 51822 SDK

Hi,

I want to know how to do the OTA,so I refer to the device_firmware_updates project in SDK.Now I can use the command

line to program the bootloader.hex to 51822(The chip has no application).Then I ... (more)

679
views
no
votes
11
answers
Last activity 2013-10-28 12:51:36 +0100 by Jeffery

[nRF51822] It is difficult to pair nRFready keyboard with 2.4G dongle.

Keyboard source: Desktop 2 v1.0.5 Dongle source: 1. Desktop 2 v1.0.5 dongle hex; 2. Desktop 1.2.2.293 dongle hex

I found it is very defficult to pair the keyboard with 2.4G dongle. Press ... (more)

25k
views
32
votes
11
answers
Last activity 2015-11-07 14:17:19 +0200 by Tony

License for KEIL MDK is EXPENSIVE. Any way around??

I am starting my development work with Nordic Semiconductor nRF51822 Device and already purchased the Development kit. What i wanted to ask is do i need to purchase KEIL MDK 500 License to write my code/application? Because the Low ... (more)

1k
views
2
votes
11
answers
Last activity 2014-01-14 11:26:31 +0200 by Michael Lin

Why i can't debug Nordic supply nRF UART App source code in my Google nexus 7 II ?

I tried to debug Nordic provided Uart App code on the Google Nexus 7 II device.

But I found a problem, when I remove: LocalBroadcastManager.getInstance(this).registerReceiver(UARTStatusChangeReceiver, makeGattUpdateIntentFilter()); function, I can debug, but after connecting to the device ... (more)

7k
views
no
votes
10
answers
Last activity 2013-08-02 01:12:49 +0200 by steven

halt Flash write

Dear everyone:

Can you tell me Using built-in flash and use restrictions,

because it halt at ble_flash_page_write() function.

9k
views
22
votes
10
answers
Last activity 2014-01-24 13:54:20 +0200 by Masahiro

BLE Sniffer recommendation [closed]

Hello, I use nRF51822 for my project and I would like to purchase some BLE packet sniffer. Does anyone recommend any sniffer? My purpose for that is debugging and check transaction, so it will be good that it has a ... (more)

4k
views
2
votes
10
answers
Last activity 2015-06-19 20:05:28 +0200 by george

Programming different nRF51822 boards

Hi, student here, so go easy if you can :)

I have successfully programmed the evaluation kit and development with the softdevice and loaded my app on.

Now I am trying to work with some boards that I ordered online. One ... (more)

2k
views
3
votes
10
answers
Last activity 2014-11-13 14:35:36 +0200 by Balaji Srinivasan

bonding issue [closed]

i was trying to implement bonding in ble_app_hrs example(SDK V6.1.0 and soft device v7.0.0) i have given params

#define SEC_PARAM_TIMEOUT                    30                                   
#define SEC_PARAM_BOND                         1                                          
#define SEC_PARAM_MITM                          1                                      
#define SEC_PARAM_IO_CAPABILITIES           BLE_GAP_IO_CAPS_DISPLAY_YESNO       
#define SEC_PARAM_OOB                            0                                          
#define SEC_PARAM_MIN_KEY_SIZE ...
(more)

1k
views
2
votes
9
answers
Last activity 2015-09-02 11:16:25 +0200 by awneil

nRF8001-SDK

How can I download nRF8001-SDK?

1k
views
no
votes
9
answers
Last activity 2013-09-12 09:37:13 +0200 by Jeffery

[nRF51822] Connectable Indirected advertising after pairing was done.

Hi sir In Desktop 2, before BTLE pairing, nRF51 uses Connectable Indirected advertising. After BTLE pairing with BTLE host, nRF51 will select Directed advertsing for saving connection time. Could nRF51use Connection Indirected advertising type to the BTLE host which was ... (more)

Statistics

  • Total users: 25660
  • Latest user: dlouver
  • Resolved questions: 11261
  • Unanswered questions: 3818
  • Total questions: 27801