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Last activity 2017-03-27 08:34:19 +0200 by Bene

Flash download failed - BLE ATT_MTU Throughput

Hi,

i have following Problem: I want to flash the example "ATT_MTU Throughput Example". I work with the latest s132 v5.0.0 soft device and i flashed it with nRFgo Studios. Now i want to Flash the example with ... (more)

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Last activity 2017-03-27 08:20:50 +0100 by Enrique

nRF 52832 first time programming

Hi, I'm designing a new PCB using nRF52832 and I'm wondering what is the way to programm it for the first time. I'm connecting pins 25 (SWDCLK), 24 (SWDIO), 31(VSS to GND) and 36 (VDD) to ... (more)

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Last activity 2017-03-27 07:50:39 +0100 by syrinx

nRF5_SDK_11 incompatibility with ANT s212_nrf52_2.0.1

I'm attempting to build the ANT+ examples within SDK 11 and am hitting an issue in compile:

C:/Compilers/nRF5_SDK_11.0.0_89a8197/components/ant/ant_stack_config/ant_stack_config.c:30:17: error: macro "ANT_ENABLE_GET_REQUIRED_SPACE" requires 4 arguments, but only 3 given ... (more)

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Last activity 2017-03-27 05:24:17 +0100 by djqtsg

ADC signal outlier

We're using nRF52 to read two sensors data: one is an ADC chip using SPI; the other is a PPG sensor using I2C. MCU sampling rate is 250Hz, meaning every 4ms, MCU will poll the two sensor chips in ... (more)

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Last activity 2017-03-27 05:07:33 +0100 by jwx

S332 BLE CONNECT IOS DEVICE

i used SoftDevice s332,and download the example:<InstallFolder>\examples\multiprotocol\ble_ant_app_hrm i find that using android device can connect pca10040 ble well,but use ipad or iphone(lightblue) both can't connect. i want to know how to solve ... (more)

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Last activity 2017-03-27 03:55:07 +0100 by summer

SDK11 bootloader

hi everyone.I have a question about the bootloader SDK11.0 ,I download the bootloader engineering modified to nrf51822 board, the nrf51822 can be advertising, but when I upgrade using nrf toolbox prompt upgrade failure?Why is this?Let me ... (more)

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Last activity 2017-03-27 02:12:17 +0100 by Summit

app_uart_fifo.c compiling error with nRF5_SDK_12.2.0_f012efa

Dear Nordic Developer,

I can compile and ran examples of uart, saadc, pwm_driver, pwm_libraries. Now I would like to include uart in pwm_libraries to get inputs from PUTTY (COM port) but I got compiling error with app_uart_fifo.c . I added ... (more)

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Last activity 2017-03-27 02:02:01 +0100 by roger.k

How many centrals can be connected?

Hi. I'm using nRF528332, SDK13, S132.

I'm making multi-link peripheral refering to "experimental_ble_app_multiperipheral".

This example code says as below.

define PERIPHERAL_LINK_COUNT 4

So i want to know how many centrals can be connected at the same time?

As ... (more)

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Last activity 2017-03-26 22:14:08 +0100 by homzik

Problem with BLE read data

Hello ! I'm beginning work with BLE . I have a project in which nrf51 is a central. App from smartphone will sending to central any key for example "3214941E0" when central accept this key for example led light up. I ... (more)

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Last activity 2017-03-26 21:14:24 +0100 by Sri_guy

Program external board using NRF52 DK P20

Hi,

I am have a custom breakout board that uses the NRF52832 chip and I was able to program it using the J-link programmer and seperating ribbon cable to expose the Vtarg, GND, SWDIO and SWDCLK lines.

Now I want ... (more)

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Last activity 2017-03-26 19:17:18 +0100 by kaosad

JTAG Debug Specification for nRF24LE

Hi Nordic team,

Do you publish the JTAG Debug specification for nRF24LE? I am interested in developing a low-cost debug probe for nRF24LE for SDCDB.

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Last activity 2017-03-26 11:59:32 +0100 by kamisen

Buttonless Secure DFU with WDT needs DFU twice

I use nrf51822xxAC,SDK 12.2,Buttonless Secure DFU and WDT in application.

I added NRF_WDT->RR[0] = WDT_RR_RR_Reload; to the wait_for_event loop in the DFU to pet the dog.

But it needs to DFU twice to let the chip ... (more)

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Last activity 2017-03-26 11:42:18 +0100 by Vincent

If no use bonding and secure fuction may I just mask the pm_conn_secure in central device project

Hi I use nRF52832 and SDK13 and Central Device project. and my device has not bonding function so may I mask my central device pm_conn_secure call here is my part of code

#define SEC_PARAM_BOND  0//1
static void peer_manager_init(void ...
(more)

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Last activity 2017-03-26 08:21:28 +0100 by Elnath0412

[nRF52832] Can DETECT signal be edge detect?

Hi all,

I am thinking of using a GPIO pin's "SENSE LOW" to wake up my device from SYSTEM OFF mode. In order to avoid the device keeps waking up in case the pin stays low (e.g. a ... (more)

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Last activity 2017-03-26 07:02:10 +0100 by Lezto22

SDK 12.2 dual bank DFU

Hi all, Is there any DFU example using dual bank to the SDK 12.2? The secure bootloader example is for single or dual bank? . Sorry for the question it is no clear to me.

Thanks

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Last activity 2017-03-26 05:59:45 +0100 by rc766437

SDK11.0 BLE_GAP_EVT_ADV_REPORT advertising data not complete

Hi all:

I use sdk11.0 <nRF5_SDK_11.0.0_89a8197\examples\ble_central_and_peripheral\experimental\ble_app_hrs_rscs_relay> this example, scan heart sensor , sdk return BLE_GAP_EVT_ADV_REPORT event, I print the adv_report data, find the heart sensor name is not in the data ,please see picture.image description

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Last activity 2017-03-26 05:00:43 +0100 by ezgame

Example code for Google Fitness using nRF51/52 DK?

I found out that google fitness support BLE sensor: https://developers.google.com/fit/and...

Does anyone have experience with using nRF52 as Bluetooth sensor for Google Fitness? If so, is there have any existing example code from Nordic SDK ... (more)

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Last activity 2017-03-26 04:17:58 +0100 by bruce

is it possible port zephyr working with Softdevice ?

Hello

in the zephyr 1.7 release there have NRF52 and NRF51 porting without softdevice . in the SDK 13 ,there has Freertos example working softdevice ,is there any plan or roadmap to porting zephyr working with softdevice or is it ... (more)

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Last activity 2017-03-26 03:47:28 +0100 by Ming

nRF52840 Coded PHY for long range application

Hi

I have got two nRF52840-pdk for long range application design. After reading posts here I realized that the softdevice s140 can only change PHY to CODED after a connection has been established. It does not support advertising or scanning ... (more)

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Last activity 2017-03-25 21:47:36 +0100 by Matija Tudan

nRF5 SDK v13.0.0 ble_app_att_mtu_throughput example

Hi,

what is the default tx_power value in new v13.0.0 SDK in the ble_app_att_mtu_throughput example?

I can't find the use of the sd_ble_gap_tx_power_set() function which was present in the 13.0.0-1.alpha SDK with the default ... (more)

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Last activity 2017-03-25 19:50:34 +0100 by Ameer.Sheik

Not able to flash BLE with SPI

Hello All

softdevice version "s130_nrf51_2.0.1_API" sdk version "nRF5_SDK_11.0.0_89a8197

i am try to flash BLE with SPI code i am not able to flash the hex..while flashing i am facing some problem...and more thing if ... (more)

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Last activity 2017-03-25 17:17:36 +0100 by J.Kwon

I don't know flow of EDIV, Rand.

I'm testing with ANCS example(SDK11.0.0), PCA10028 and Iphone, observing packet with sniffer.

at the first connection,

master sent EDIV(0x0), Rand(0x0), SKDm and IVm to slave. And slave sent SKDs and IVs. And then connection ... (more)

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Last activity 2017-03-25 15:32:14 +0200 by Amigo

NRF52 soft i2c problem

Hi. I tri to use my soft i2c lib It works well at nrf51 and other mcu's. But nrf52 i2c_read doesnt works properly. Other funcs works well.

When i read byte from i2c slave the adress write operation is ... (more)

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Last activity 2017-03-25 13:20:23 +0100 by Prasad

HardFault_Handler() called when NRF_LOG_ENABLED is disabled

In my application when I disable NRF_LOG_ENABLED, HardFault_Handler() is getting called. To debug this issue I defined a HardFault_Handler() in my code and inserted a break point in it. Below is the backtrace

#0  HardFault_Handler () at main.c:165
#1 ...
(more)

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Last activity 2017-03-25 07:10:16 +0100 by Daniel T. Lee

How can I enable gatt_cccd notification automatically?

I've searched for enabling notification, but there are some points that I can't understand.

GATT characteristic attributes and characteristic cccd values are dedicated to GATT_S.

Q1. To Enable my GATT_S characteristic notification, which device is responsible for enabling ... (more)

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Last activity 2017-03-25 02:55:25 +0100 by sid7

I2C communication protocol on nRF24le1

Hello,

I'm trying to set up I2C with an mCube cccelerometer, which has an I2C 7 digit ID of 0x6C and an 8 bit address (write) of 0xD8.

With the code below, I see on my oscilloscope an infinite ... (more)

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Last activity 2017-03-24 21:51:00 +0100 by Francois

nrf_UART freeze when disconnect during sending message - nrf51822

Good afternoon all,

We have seen something with nrf51822 a little bit unusual that we can't explain and that maybe some of you have already experienced.

In main loop, we have a switch() and, depending on some external command ... (more)

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Last activity 2017-03-24 21:15:43 +0100 by funkmasterron

nRF52840 power consumption in sleep and with ADC running

In the "nRF52840 Preview Development Kit v0.9.x" document, I see some power numbers listed for a run mode.

However, I am also interested in the following power numbers: 1. Run mode with ADC running, sampling 1 channel at ... (more)

9
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Last activity 2017-03-24 17:46:21 +0100 by Sonr09

Problem with DFU bootloader SDK 11

Hello!

I have problem with DFU bootloader on nRF51822-xxAA.

For first, I made all steps for upload bootloader(erase chip, upload SD s130, upload bootloader). I used example dual_bank_ble_s130 with small changes for my custom board (My board haven't ... (more)

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Last activity 2017-03-24 16:32:37 +0100 by tellg flag of Norway

Proposed patch to BDS plugin 1.2.2

code_template.c, modified from https://developer.nordicsemi.com/nRF5...

code_template.c, changed line #45 to
    <%= field.FormatType() %>_t <%= field.NormalizedName() %> = 0;<%
was
    <%= field.FormatType() %>_t <%= field.NormalizedName() %>;<%

due to code generation using uninitialised local variable

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