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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 2017-03-27 00:08:11 +0100 by endnode

DFU without interface MCU

Hello Nordic community,

I have a question about implementing DFU on the custom board. By looking at NRF52 DK and reading explanation in Nordic infocenter, I can see that button 5 (IF BOOT/RESET) is connected to the interface MCU ... (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 16:43:57 +0100 by endnode

How to fetch peer's base uuid?

Hi experts,

I have just tried lbs example. I saw in the ble_lbs_c.h, the base uuid and service uuid are defined for the peripheral peers who are going to be connected. However, if I don't know these uuids ... (more)

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1
answer
Last activity 2017-03-26 15:04:41 +0100 by endnode

Block of NRF52 Flash memory

On datasheet of nRF52, i found that a page have 8 blocks. But i could not find the usage of the block. Anyone know the usage of this?

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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 11:26:01 +0100 by Matija Tudan

Maximize range on nRF52840 pdk

How do I maximize range for BT5?

I have two nRF52840 pdk units and I have loaded the ble_app_att_mtu_throughput app and tried it out. I have been seeing around 70 meters range before the link drops out. What can I ... (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 05:26:20 +0100 by eric

uart receiving date delay on Android 5+ using 51822

Our BLE hardware is designed to send data at 50 Hz speed continuously using nrf51822. It worked well with APP with Android 4.3 and some Android 5.0/6.0 ,we can receive data continuously and smoothly on APP ... (more)

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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 2017-03-26 01:06:01 +0100 by endnode

SWD JTag to a Sparkfun nRF52832

Hi

I have gotten a Nordic PCA10040 hooked up to a Sparkfun nRF52832 as described near the bottom of the page here: https://learn.sparkfun.com/tutorials/... (Resources and Going Further).

I have also got a working build environment and ... (more)

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1
answer
Last activity 2017-03-25 23:00:25 +0100 by Sergy

FDS initial state

Hi, Id like to understand the FDS state after flashing the device. Im trying to check if the record exists then I use it, otherwise I write a valid info into the record. For some reason after flashing the record ... (more)

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2
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Last activity 2017-03-25 22:11:58 +0100 by Turbo J

formatting an uSDcard from ext4 to fat32

Hi, I have a problem that when formatting an uSDcard from ext4 to fat32 it gets with both file systems.

(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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1
answer
Last activity 2017-03-25 20:59:43 +0100 by endnode

SPI with BLE

Hello All

Could you please guide me. i want implement BLE with SPI interface...if i sent any command via mobile Bluetooth..then NRF51 DK should receive the Command and then it should transfer the data via SPI interface .could ... (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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