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Last activity 2017-05-24 05:02:21 +0200 by tovax

How to expand the flash memory address?

Hi, all!

nRF51822 had been used in my project, because of dual bank bootloader and softdevice, the internal flash memory was not enough for the application. I want to know how to expand the flash memory.

I think a external ... (more)

10
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no
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no
answers
Last activity 2017-05-24 03:58:35 +0200 by shuenn

AirFuel SDK 2.2.0 IROM and IRAM settings

I download "nRF5_AirFuel_SDK_2.2.0_7b89a57" and use "ptu_app_beacon" development, I am currently using "nrf51822-QFAA" and "nrf51822-QFAC", how do I set up IROM and IRAM?

6
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no
answers
Last activity 2017-05-24 02:58:00 +0200 by nine-fox

I clicked 'fill with zero' in Jflash. Bricked the chip?

Hi,

By mistake, I clicked 'fill with zero' button in Jflash, may I ask, is my chip bricked because of this? Thanks.

The following lists my steps:

1) program the softdevice 4.0.2 in jflash

2) compile heart sample ... (more)

8
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no
votes
no
answers
Last activity 2017-05-23 22:48:23 +0200 by alebo

registers MMA7660

how i can write to MMA7660 registers in twi_master_using_app_twi example SDK?

51
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no
votes
1
answer
Last activity 2017-05-23 15:59:01 +0200 by Jørgen Holmefjord flag of Norway

Read or change nRF51 mac address on Zephyr

Our project uses a Raspberry Pi compute module 3 connected via UART to 2 nRF51822. I'll go through what is working and than describe the issues I'm having

What's going on without issues:

  • The 2 nRF51822 are ...
(more)

34
views
no
votes
1
answer
Last activity 2017-05-23 12:56:05 +0200 by Jørgen Holmefjord flag of Norway

nRF52 Development Kit Programming

How to setup a nRFDK52 as a central and nRF bluetooth kit as peripheral. Should I use nRF go studio? Do i need to load the soft device first before loading the app? What is the baud rate for communication ... (more)

26
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no
votes
no
answers
Last activity 2017-05-23 08:52:04 +0200 by Brandt

Capacitance reading circuit for nRF51

Currently, we are trying to have the nRF51 chip working with a type of capacitive pressure sensor. We did quite a lot of work on searching proper circuits of reading the capacitance of the sensor, including capacitance voltage divider, charging ... (more)

29
views
1
vote
1
answer
Last activity 2017-05-23 08:39:30 +0200 by Torbjørn Øvrebekk

Is there any advantage of using SPI interface over UART while connecting nBLE51822 to any MCU?

I have the option to connect nBLE51822 to MCU via SPI, UART or I2C. But is there any advantage of using SPI/ I2C interface over UART interface while connecting nBLE51822 to any MCU?

396
views
5
votes
2
answers
Last activity 2017-05-23 07:04:02 +0200 by Igor

nRF52 DK - 20ms non connectable advertising interval

Hello, im experimenting around with the nRF52 DK (and nRF51 DK also)

Now I have following setup on nRF52 DK:

SoftDevice: s132 nRF52 v2.0.1

Applicatoin: Example Project from nRF SDK 11.0 (ble_app_beacon)

By the default the interval ... (more)

31
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no
votes
1
answer
Last activity 2017-05-22 14:56:12 +0200 by Jørn flag of Norway

Ble Nano v1.5 schematic

Hi,

I am working with a nRF51822 chip placed on a Ble Nano v1.5 board and I would like the schematic of Ble Nano v1.5. Could anyone tell me where I can find the schematic of Ble Nano?

Thank you!

48
views
no
votes
1
answer
Last activity 2017-05-22 13:02:43 +0200 by Kristin flag of Norway

nRF51822 Tx power not able to set

Hello iam using softdevice 110 and SDK 10.0.0, Iam trying set tx power of nrf51822 using function sd_ble_tx_power_set(), i have tried 0dBm and 4dBm both are giving same RSSI and range, is it really configured or not how ... (more)

4k
views
11
votes
7
answers
Last activity 2017-05-22 12:45:32 +0200 by Hust

Best place to get started

Hello everyone.

I've got the nRF51822 Evaluation Kit and Dongle. The heartbeat demo is working, so I got the toolchain -- Nordic, Keil, Segger under Win7 -- set up correctly, as far as I can tell.

I need to interface with ... (more)

25
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no
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no
answers
Last activity 2017-05-22 12:34:30 +0200 by Petter Myhre flag of Norway

Bond and change dev name

Hi: I want to bond and change dev name and storage. This is my storage dev name init code:

void my_flash_init(void)
{

    uint32_t err_code;

    pstorage_module_param_t param;

    param.block_count = 1;
    param.block_size = NAME_SIZE;
    param.cb = my_cb;

    err_code = pstorage_init();
    err_code = pstorage_register(&param ...
(more)

62
views
no
votes
2
answers
Last activity 2017-05-19 13:46:34 +0200 by Wojtek flag of Poland

Can nRF51422 or nRF51822 can be used as bluetooth device for Raspberry pi?

Can nRF51422 or nRF51822 can be used as bluetooth device for Raspberry pi?

As I can see on the terminal Linux, the hciconfig log says, raspberry pi 3's Bluetooth device is connected to board with UART Connection.

I'm ... (more)

102
views
1
vote
1
answer
Last activity 2017-05-19 10:23:51 +0200 by Aryan flag of Norway

Certification/Qualification for Selling product

Hi all,

I want to sell a device that I have made that uses the nrf51822 and the app inside the chip is derived from the ble_app_uart. It uses two chips that communicate using a proprietary service.

What do I ... (more)

20
views
1
vote
no
answers
Last activity 2017-05-19 10:13:31 +0200 by mike_knapnok flag of Denmark

Disconnections between iOS 8-10 and RedBear BLE Nano V1.5

We're having troubles with BLE connection between iOS 8-10 devices (iPad Pro, iPad Air 2, iPad Mini 3, iPhone 7, iPhone 6) and RedBear BLE Nano V1.5 32KB boards (with Nordic nRF51822 SoC on board).

The devices connect ... (more)

31
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no
votes
no
answers
Last activity 2017-05-18 21:50:58 +0200 by Murilo

Using the SDK 11 with NRF6310

Hello, I'm working with the NRF6310 Motherboard and play with it a little with SDK 6.1, but i want to create profiles with the Bluetooth Developer Studio, so I started using the SDK 11.0 and test with ... (more)

25
views
1
vote
1
answer
Last activity 2017-05-18 20:25:30 +0200 by Turbo J

51822+uart framing+break issues [closed]

Hi

for some reason I cannot connect any PC terminal to my custom board: I would get consistent NRF_UART0->ERRORSRC = 0x000c or 0x0004 indicating break and/or framing issue. I hope someone has any hints to help me out ...

Here ... (more)

49
views
3
votes
1
answer
Last activity 2017-05-18 15:32:44 +0200 by Wojtek flag of Poland

choosing soft device

Hi,

I have a question about choosing "correct" soft device. I need only peripheral connection, but I'm bit in doubt for choosing SD110, because compatible sdk ver 10.0.0 (compatibility matrix) is already two years old. https://developer ... (more)

34
views
no
votes
1
answer
Last activity 2017-05-18 15:22:45 +0200 by Petter Myhre flag of Norway

Bond and data storage

Hi, I bonded is ok .But I want to store some data on nrf51822 flash memory using pstorage. What should I do?

Register new or change it :

param.block_size  = ALL_CONTEXT_SIZE;
param.block_count = DEVICE_MANAGER_MAX_BONDS;
param.cb          = dm_pstorage_cb_handler;

err_code = pstorage_register(&param, &m_storage_handle);

50
views
2
votes
1
answer
Last activity 2017-05-18 15:03:22 +0200 by Mostafa Berg

Background ble operations with ios

HI, i'm trying to perform the following operations with the Core Bluetooth Framework of iOS:

1) Connection to peripheral

2) Services Discovery

3) Characteristics Discovery

4) Start Notify on a particular characteristic

These operations have to be triggered in ... (more)

30
views
no
votes
1
answer
Last activity 2017-05-18 14:43:40 +0200 by Jørgen Holmefjord flag of Norway

nrf51822 ADC enable means what?

Is enable required before configuration? Does toggling NRF_ADC->ENABLE reset the configuration (like it does for the radio?) Is the power to the ADC automatic, so that even if enabled, it might be quiescent current?

The product spec, register description ... (more)

39
views
1
vote
1
answer
Last activity 2017-05-18 13:54:00 +0200 by Bjørn Spockeli flag of Norway

Unit testing and emulating hardware

Hello,

We are trying to set up unit testing for our project however had trouble running it on the nrf51 board and decided to run it natively on a windows platform.

My question is what is the best unit testing ... (more)

14
views
no
votes
no
answers
Last activity 2017-05-18 12:02:09 +0200 by micele flag of China

Pstorage question for storage different size

hi : I want storage different size in flash.How can i do it? I can write like this?

param.block_size  = 16;                   //Select block size of 16 bytes
param.block_count = 1;                   //Select 1 blocks, total of 16 bytes
param.cb          = example_cb_handler ...
(more)

17
views
no
votes
1
answer
Last activity 2017-05-18 10:48:36 +0200 by Bjørn Spockeli flag of Norway

pstorage read and write time for one page

i need to know the read and write time in (ms). for one page

please any ony help me

41
views
1
vote
1
answer
Last activity 2017-05-18 10:00:52 +0200 by endnode

How to Close SWD

Hi there, We are developing bluetooth bracelet using 51xx and 52xx Bluetooth chip and the hard hardware part has been done.However, for safety considerations,we need to disable SWD after the program is downloaded. We want to disable SWD ... (more)

16
views
1
vote
1
answer
Last activity 2017-05-18 09:13:51 +0200 by endnode

Send out ADV packet in <100ms after power on the chip

I have download latest S130 SDK. And I try to send ADV in 100ms. Now it takes >= 250 ms. I use the scope and find SOFTDEVICE_HANDLER_INIT takes 248ms on PCA10028 board.

The softdevice I used is from: https://www.nordicsemi ... (more)

38
views
no
votes
no
answers
Last activity 2017-05-17 18:12:53 +0200 by Jonathan

App stuck on "DfuTarg" when trying buttonless DFU

Hi everyone,

I'm using SDK 12.2 on nRF51822. Trying to get the buttonless dfu app example to work. Here's what I do:

Compile buttonless dfu app.

Generate settings:

nrfutil settings generate --family NRF51 --application nrf51422_xxac.hex --application-version ... (more)

29
views
no
votes
1
answer
Last activity 2017-05-17 10:05:02 +0200 by mikelugarte

LC filter on nRF51822

Hi,

I am using a nRF51822 board and I wanted to know if the LC filter is necessary if I don't need to use any analog entrance or exit. I just need the BLE and a digital input.

17
views
no
votes
1
answer
Last activity 2017-05-17 09:55:55 +0200 by chocol8

Unable to use Pstorage in my code

To @Hung Bui. Hello sir. I am new to NRF51 microcontrolers and I am trying to use Pstorage in my written code. I have noticed this post of your's: image description

I am using nrf51422 and and edited ble_app_uart example as ... (more)

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