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6,339 questions

34
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2
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Last activity 2015-04-01 17:53:08 +0200 by Ulrich Myhre flag of Norway

Why does my whitelist not filter connection requests?

Hello,

I am trying to connect to one specific device. To make this I am advertising with the whitelist. The problem is that the whitelist do not seem to work. I got the following code:

ble_gap_adv_params_t adv_params;

ble_gap_addr_t       *whitelist_addr[1 ...
(more)

4
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no
answers
Last activity 2015-04-01 17:18:26 +0200 by andrey

Powering nRF51 Dongle from a battery

I want to power the dongle from a 5V battery but don't want to solder directly to USB pads at the risk of ruining them. Can I put the 5V from the battery at the Vin point? Normally the ... (more)

3
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no
answers
Last activity 2015-04-01 16:52:25 +0200 by Konrad Traczyk flag of Poland

Initialization of the event handler of service

Hi,

I'm going through a Led Button example for nRF51, which I created as nAN-36 v1.1 specifies. Unfortunately, when I try to write a number to the beacon, the led does not lights up. I found out that ... (more)

23
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1
vote
1
answer
Last activity 2015-04-01 15:44:04 +0200 by Stian flag of Norway

Using nrf51822 board with adxl335 accelerometer (ADC)

Hi,

I'm trying to use adxl335 accelerometer to detect motion.

I'm having trouble understanding what the output of the accelerometer means. Obviously, it should tell me something about the acceleration but it's in unit mV/g. How ... (more)

26
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no
votes
1
answer
Last activity 2015-04-01 14:47:49 +0200 by Stefan Birnir Sverrisson flag of Iceland

Understanding higher than expected current draw

I've got a custom board with an nrf51822 (ic rev 2, QFAA), and I'm trying to understand some unexpected current draw that I'm seeing from the board. Currently the entire custom board is drawing 139uA. Using the ... (more)

29
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no
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2
answers
Last activity 2015-04-01 14:18:06 +0200 by Jack

Which Jlink is compatible for iB004-N-pin and jtag?

I want to program Jtag inside Anti-lost Tag nrf51822 Module Bluetooth Low Energy Sticker.

Following are the specifications of Anti-lost Tag nrf51822 Module Bluetooth Low Energy Sticker. Chipset is of Nordic nrf51822 Battery: CR2450 PCB size: 34347.5mm ... (more)

5
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no
answers
Last activity 2015-04-01 14:06:53 +0200 by Shafy

How to change the header file path in the new SDK pack

Hi,

How can I change/add include file path in the new pack SDK. For eg: I want to port the S110 bootloader to S130. But I am not able to change the include path to the header file folder ... (more)

21
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answers
Last activity 2015-04-01 13:58:24 +0200 by sridhar

IPV6 mesaages in implementation of iot sdk

After ping through link local address ,i am not getting any Router solicitation messages,neighbor solicitation messages and neighbor advertisement messages while i am capturing it from wire shark on raspberry pi. How to capture those messages after running of radvd deamon..?

26
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1
vote
1
answer
Last activity 2015-04-01 13:49:07 +0200 by Hung Bui

How to make the Nrf51822 flash jump successful without Softdevice?

Hi everyone, I trying to make a flash jump on Nrf51822 in my project. there are 2 programs(program A and program B) below. i am working on to make program A jump to program B correctly.

my problem is ... (more)

17
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no
votes
1
answer
Last activity 2015-04-01 13:19:40 +0200 by Hung Bui

EmbedXcode NRF51822

Hey there,

Red Bear Labs sells a board with a NRF51822 Module on it. From a past post I have found it is said:

"embedXcode supports the nRF51822 MDK board for both the Wiring / Arduino framework and the mbed SDK ... (more)

16
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no
votes
1
answer
Last activity 2015-04-01 13:04:39 +0200 by Hung Bui

Observer Scan Data Management

I am playing with S130 to behave as a peripheral device and a central observer. This is working great.

I am new to the central side of things and have a quick question about managing the scan data and the ... (more)

18
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1
vote
1
answer
Last activity 2015-04-01 11:14:20 +0200 by Asbjørn flag of Norway

16MHZ crystal stability

The nRF51422 product specification says that you have to use a +-40 ppm crystal for BLE applications. On DigiKey, there are 2 columns for 2520 crystals: frequency stability and frequency tolerance. What should I use while choosing my crystal?

Example ... (more)

18
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answers
Last activity 2015-04-01 10:51:27 +0200 by sridhar

How to send Router solicitation in nrf IOT sdk

How to send router solicitation from node to raspberry pi in nordic iot sdk examples...?

55
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no
votes
2
answers
Last activity 2015-04-01 10:39:00 +0200 by Stian flag of Norway

Creating an image file to DFU on SDK8.0

hi, to do DFU on SDK 8.0, if use the MCP on PC, it wants to select a zip file, if select a hex file, it will fail. I have created the bin image,but I can’t create ... (more)

38
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no
votes
2
answers
Last activity 2015-04-01 10:33:40 +0200 by Jan Steffl flag of Czech Republic

nrf51822 AES ECB decryption

Hi Team,

Can anyone help me on this?

How to decrypt AES ECB Encrypted frame?

I read earlier question asked on the same but still not clear.

133
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2
votes
1
answer
Last activity 2015-04-01 09:41:18 +0200 by Clem Taylor

NRF51822 AES HW module clarification

hi,

I was reading documentation and forum but failed to get a clear picture how AES module work. So far my understanding is:

There are two ways to access AES either in Softdevice using sd_ecb_block_encrypt or using directly from code ... (more)

80
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no
votes
2
answers
Last activity 2015-04-01 09:30:55 +0200 by Hung Bui

DFU OTA Firmware Image for production

Hi, I've an application developed with SDK v8.0.0 and S110 v8, that is using the bootloader to start the main firmware and to start the DFU OTA (in case the user request to do a firmware upgrade ... (more)

292
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2
votes
3
answers
Last activity 2015-04-01 08:29:48 +0200 by raffaeu

Help Map pins from LPC1768 to nRF51DK

Hi, I have purchased a Nordic nRF51DK which works perfectly. Suddenly I purchased an EaEpaper and start to follow this tutorial http://developer.mbed.org/users/dresc... to map it to my board. The problem is that I can't ... (more)

79
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no
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no
answers
Last activity 2015-04-01 07:15:46 +0200 by honey

BLE android application for experimental_ant_shared_channel_master_to_master_s310

Is there any BLE android application for experimental_ant_shared_channel_master_to_master_s310?

37
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no
votes
2
answers
Last activity 2015-04-01 07:07:10 +0200 by honey

Connecting phone or tablet over BLE

How many phone or tablet can be connected to a single nrf51822 or nrf51422 board over BLE?

12
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answers
Last activity 2015-04-01 06:27:18 +0200 by sruthiraj koodathil

receiving error code 7 in advertise init [closed]

Hi... See my advertise_init function to add custom 128-bit UUID.As seen in the answer of this post https://devzone.nordicsemi.com/questi... i have changed uuid_type but still receiving error code 7 (INVALID_PARAM)

           uint8_t      flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;

    ble_uuid_t adv_uuids[] =
    {
        {BLE_UUID_LBS_SERVICE ...
(more)

40
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no
votes
1
answer
Last activity 2015-04-01 04:56:52 +0200 by Darren Beckwith

RTC Compare Interrupt Doesn't Happen After Debugger Halted

I am using the RTC1 compare event to generate a periodic interrupt. When I halt the bugger and and then run the interrupt doesn't occur. Looking at the RTC1 register set shows the counter value is greater than the ... (more)

68
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no
votes
1
answer
Last activity 2015-04-01 02:58:09 +0200 by Mike Zhang

After I installed keil and nrfgostudio, I run nrfgostudio, but an error happened, which says" an instruction of 0x6b607a05 quoted the RAM of 0x094af43f, but it cannot be read.

After I installed keil and nrfgostudio, I run nrfgostudio, but an error happened, which says" an instruction of 0x6b607a05 quoted the RAM of 0x094af43f, but it cannot be read.and the RAM address varied everytime when I run. but the ... (more)

24
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2
votes
1
answer
Last activity 2015-04-01 02:15:17 +0200 by RK

ppi with uart

hi, I am using the nrf51422 for the first time. I need to connect a GSM-GPS module for reading nmea string. I have to use the uart to enable communication with the GPS and I would use the interface ppi ... (more)

155
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no
votes
1
answer
Last activity 2015-03-31 22:39:50 +0200 by Seth

Getting an address as an error code on service discovery after update to SoftDevice 8

I just updated to SoftDevice 8 and now I'm getting the address 0x200023C4 in my apps error handler function. This error happens to be the start address for the ble_evt_buffer defined in softdevice handler. From looking at the terminal ... (more)

63
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no
votes
2
answers
Last activity 2015-03-31 21:29:25 +0200 by zainab_daoud

Send a notification with nRF51822

I'm using nRF51822 SoC and i want to notify the Androïd(4.3) application with the changes of the Major value due to switching the beacon mode . How to change Major value ? ps : The major value is a characteristic ... (more)

22
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no
votes
1
answer
Last activity 2015-03-31 19:47:16 +0200 by Dig Kleppe

GDB programming verify error

Hi, I have troubles programming my blinky in a nRF51DK. I have S110 v8 loaded and can flash blinky with nrfStudio. Not with GDB. It seems that the flash is not erased. After programming with studio gdb gdb reports verify ... (more)

30
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no
votes
1
answer
Last activity 2015-03-31 18:16:13 +0200 by Hung Bui

ble_app_lbs (sdk 8.0.0) crashes

Hi to all, I've started a new ble_apps_lbs project from ble_app_template. I've an nRF51822 chip with S110 already programmed, I modify the settings for the target cpu, and memory layout.

I can program the chip, but when it ... (more)

19
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answers
Last activity 2015-03-31 17:08:47 +0200 by Anand Ramashetty

Execute code from RAM instead of flash - memset and memcpy

Hi

I have my code like this .

unsigned char *encryptedData; unsigned int encryptedDataAfterAppendingLength;

memset(encryptedData, 0, encryptedDataAfterAppendingLength);

In order to execute this from RAM , how I can rewrite this code using for loop or an other method.

Regards, Anand

22
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no
answers
Last activity 2015-03-31 16:53:11 +0200 by tomhogenkamp

Why is my BLE device not discoverable? [closed]

I am using the nRF51822 module. I am using the following code to set my device discoverable:

ble_gap_adv_params_t adv_params;

ble_gap_addr_t       *whitelist_addr[1];  

memset(&adv_params, 0, sizeof(adv_params));

/* Advertising to the specific address */
adv_params.type        = BLE_GAP_ADV_TYPE_ADV_IND;
adv_params.p_peer_addr = NULL;

/* Setup whitelist ...
(more)

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  • Total users: 4440
  • Latest user: Konrad Traczyk
  • Resolved questions: 3039
  • Unanswered questions: 444
  • Total questions: 6339