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42
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1
vote
1
answer
Last activity 2017-03-22 15:35:53 +0100 by Stian flag of Norway

no definition for AES API's

i am using sdk 13.0.0 for nrf52840 running on IAR compiler. I am trying to create new project for AES but i am getting error as no definition for : Error[Li005]: no definition for "SaSi_LibInit" Error[Li005]: no ... (more)

36
views
1
vote
1
answer
Last activity 2017-03-22 15:33:53 +0100 by Stian flag of Norway

Does not find crypto examples in IAR

I am usinf sdk 13.0.0. for nrf52840. I didnt find any crypto example for IAR? why is it so?

25
views
no
votes
no
answers
Last activity 2017-03-22 15:29:34 +0100 by Jonathan

Running out of memory?

I'm writing a firmware, with SD130, using mbed libraries.

Firmware used to run fine. I added a new object, and now, when connecting, it hardfaults. I put a breakpoint in the connection callback, this breakpoint is never reached.

The ... (more)

28
views
no
votes
2
answers
Last activity 2017-03-22 15:25:18 +0100 by Usman

Error message PCA10040 NRF52

Hi,

I have started your tutorials and just complement this one.https://devzone.nordicsemi.com/tutorials/36/getting-started-with-the-nrf5-development-kit/

Now when I tried to download other programs on the development kit, I get following error message attached in the attachmentsError ... (more)

19
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no
votes
no
answers
Last activity 2017-03-22 14:52:02 +0100 by Kapil Singh Rawat

Program custom board using j-link edu

I'm facing problem while program custom board. I'm using nrf51822 module(link) & j-link EDU 9.3 version. I think there is some connection issue. Here is my connection

J-link----------------nrf51822

VTnrf----------------VDD

GND-----------------GND

TMS------------------SWD

TCK-------------------SCL

Do I need pull up ... (more)

63
views
no
votes
1
answer
Last activity 2017-03-22 14:47:38 +0100 by Hung Bui

BLE 4.2 sniffer

I am hoping to get solid verification that nordic offers a solution for sniffing BLE 4.2 packets.

The application I need to sniff is maxing out the MTU (250B payload) so I need support for long packets.

The blogs ... (more)

28
views
no
votes
1
answer
Last activity 2017-03-22 14:41:08 +0100 by MC

Battery service with 12v Lithium ion battery

Hello,

I am new to nrf51822 BLE. I am using MDBT40 (nrf51822 series). Complete project is powered by 12V, 2500 Mah lithium ion Battery pack. I want to monitor battery level using battery service provided in nordic examples. Please let ... (more)

45
views
no
votes
1
answer
Last activity 2017-03-22 14:31:36 +0100 by Jørgen Holmefjord flag of Norway

AI and prescaling - Impact on precision

Hello all,

I'm currently modifying my Analog Input circuit schematics to improve precision.

I'm adding after my voltage divider, an opamp as a voltage follower to ensure precise measurement. (as you might have understood, power/consumption isn't ... (more)

25
views
2
votes
1
answer
Last activity 2017-03-22 14:20:45 +0100 by Hung Bui

how to OTA a ble master ?

Hi, I know how to OTA a ble device, but how do this on a ble master? Is there any nrf tool can OTA a ble master ?

dev environment: SoftDevices:S130 v2.0.1 sdk: nRF5_SDK_12.2.0 ble master ... (more)

41
views
1
vote
1
answer
Last activity 2017-03-22 13:56:30 +0100 by Sigurd flag of Norway

eddystone different advertising interval for each slot

Hi!

I am working with experimental_ble_app_eddystone in SDK 12.2.0 for nRF52. I have seen that the firmware does not support using different advertising inteval for each slot of advertised packets.

Is it right or am I misunderstanding something ... (more)

51
views
1
vote
1
answer
Last activity 2017-03-22 13:54:07 +0100 by Hung Bui

Will data stored with FDS survive a firmware upgrade?

I'm running an nrf52832, using SDK 11.0 and the S332 soft device. I've had instances where it seemed my flash data, stored with FDS, was corrupt after a firmware upgrade. Note that generally this is not the ... (more)

33
views
2
votes
3
answers
Last activity 2017-03-22 13:43:02 +0100 by Hung Bui

Define custom Serial Port Profile by using nRFgo

Hello. Hi, I'm using nRF52832 Software Development Kit, PCA10040, S132.

How Can I define custom Serial Port Profile by using nRFgo?

Thanks.

82
views
no
votes
2
answers
Last activity 2017-03-22 13:07:10 +0100 by H4NNE5

nrf52 DK: UART problems

Hello,

I integrated the relevant code from the "uart" example into the "ble_app_uart" example(this is all the code in the main routine):

uint8_t cr;        
uart_init();
    printf("\r\nUART Start!\r\n");

  while (true){

    while (app_uart_get(&cr) != NRF_SUCCESS);
    while (app_uart_put ...
(more)

44
views
no
votes
1
answer
Last activity 2017-03-22 13:02:22 +0100 by Jørgen Holmefjord flag of Norway

nrf52 SPIS max speed when connected to a HUB

A brief description of my system:

I have a HUB gathering data from the nrf52832 through SPI. The hub is the master and the nrf52832 is the slave. According to the nrf52 specification, the maximum frequency that the SPIS accepts ... (more)

43
views
no
votes
1
answer
Last activity 2017-03-22 12:59:05 +0100 by Stian flag of Norway

TFTP DFU Block Size

I try to integrate the CoAP Server and TFTP DFU example code, and it works well.

[ENV]

  • IoT SDK v0.9.0
  • nRF52832 DK

According to the specification, the MTU of L2CAP is 1280 bytes.

The default APP_TFTP_BLOCK_SIZE in the ... (more)

36
views
1
vote
1
answer
Last activity 2017-03-22 12:56:08 +0100 by Sigurd flag of Norway

How to use sd_rand_application ?? or use Random number with NRF51 ?

I've tried to use stdlib's random generate function.

and as usally all of the basic C language's random generate functions does, I've used srand with Seed based random. (And also, used with time(null) argument like ... (more)

20
views
no
votes
1
answer
Last activity 2017-03-22 12:48:05 +0100 by Kristin flag of Norway

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)

58
views
no
votes
1
answer
Last activity 2017-03-22 12:42:05 +0100 by Jørgen Holmefjord flag of Norway

Error in main.o [closed]

Hello, I am using nrf51 and firmware is ble_app_gls. I have modified my code to work for dfu as well. I am getting error as follows

.\_build\nrf51422_xxac.axf: Error: L6218E: Undefined symbol ble_dfu_init (referred from main.o).
.\_build\nrf51422_xxac ...
(more)

40
views
no
votes
1
answer
Last activity 2017-03-22 12:42:00 +0100 by Hung Bui

freertos not working in nRF5_SDK_13.0.0_04a0bfd

Just opened the new sdk and tried it out. Keil stated I needed to update packs so I did

I have 2 DK boards both are versions V1.1.0 dated 2016 32

Using nRFGo I erase all and load ... (more)

28
views
no
votes
1
answer
Last activity 2017-03-22 11:40:47 +0100 by Stian flag of Norway

Lower power in sleep of GPIO as outputs?

Hi Nordic,

In my application, I want to consume as less power as I can. In the initialization I have this functions:

static void utils_setup(void)
{
    APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, false);
}

static void softdevice_setup(void)
{
    uint32_t err_code;

    err_code = softdevice_ant_evt_handler_set(ant_evt_dispatch);
    APP_ERROR_CHECK ...
(more)

47
views
1
vote
1
answer
Last activity 2017-03-22 11:34:17 +0100 by Stian flag of Norway

How to power the NRF52 chip as standalone (without the DK)?

Hi guys,

I have the NRF52-DK and want to power only the NRF52. So basically, I want to power it over VDD_nRF.

When I power my DK with a battery and then measure my current consumption with a power analyzer ... (more)

86
views
4
votes
1
answer
Last activity 2017-03-22 11:03:37 +0100 by ndarkness

How can I reuse this library into TWI library in nrF52?

Hello all,

I am trying to make use of some Adafruit libraries for some sensors in my nrF52pca10040, the libraries are these twoAdafruit_BME280.cpp, Adafruit_BME280.h and Adafruit_TSL2591.h,Adafruit_TSL2591.cpp

They both make use of either SPI or ... (more)

26
views
no
votes
1
answer
Last activity 2017-03-22 11:02:26 +0100 by Jørgen Holmefjord flag of Norway

Beacon and Central

Good afternoon.

I have 2 boards NRF51:

  • One as beacon (SDK 9), use example code "nRF51_SDK_9.0.0\examples\ble_peripheral\ble_app_beacon".

  • The other as central (SDK10, softdevice s130), use example code "nRF5_SDK_10.0.0\examples\ble_central\ble_app_uart_c" to read beacons ...

(more)

16
views
no
votes
no
answers
Last activity 2017-03-22 10:54:04 +0100 by Hung Bui

Bonding issue in SDK11 with ANCS

Hi I am using SDK11 with S130, NRF51822 that using ANCS and facing bonding problems after reach the max bonds. Reference to nRF51-ble-peripheral-bond-handling example, I use the ble_app_ancs_c project example and add app_bond.c and app_bond.h to the project ... (more)

91
views
no
votes
2
answers
Last activity 2017-03-22 10:52:16 +0100 by Jackxl

Problem with Secure DFU Bootloader on nRF51822_xxAA

Hi,

I have a problem using Secure DFU Bootloader available in SDK 12.1 on nRF51822_xxAA SoC.

Initilaly i was using nRF51 DK board and Secure Bootloader example in SDK 12.1. I fallowed instruction on Nordic InfoCenter. I compiled ... (more)

34
views
no
votes
1
answer
Last activity 2017-03-22 10:47:20 +0100 by RK flag of Singapore

[PCB] nRF52 Antenna Not Used

Hello,

In our application, we do not use the antenna at Pin30.

However, in Nordic's Reference design in Github, even the simplest design (nRF52832_qfaa_dcdc) has an antenna connection.

So my question is, does it greatly affect the MCU's ... (more)

15
views
no
votes
no
answers
Last activity 2017-03-22 10:46:43 +0100 by michaeld flag of Netherlands

NFC Tag Type for rwpayload and staticpayload at same time.

Hello,

I want to define a writable payload section and a static payload section (not writable) in one tag is this possible?

I have now implemented it like this, but that only gives me the static payload.

void nfc_init(void ...
(more)

26
views
no
votes
1
answer
Last activity 2017-03-22 10:40:11 +0100 by endnode

nrfjprog read back protection is working??

Hello, after I program bootloader, sd, application, I did the following command to do read back protection,

nrfjprog --rbp ALL -f NRF51

But, even though I still can get data by using nrfjprog --memrd xxxxx. Can anybody tell me how ... (more)

24
views
no
votes
no
answers
Last activity 2017-03-22 09:37:10 +0100 by dingari

Bootloader doesn't load application on power-on

I have a small problem with my bootloader + application on NRF52832. I'm using SDK 12.2.0 with S132 v3.0.0.

When the device loses power, and power is then re-applied, the bootloader doesn't start the application ... (more)

21
views
no
votes
1
answer
Last activity 2017-03-22 09:19:37 +0100 by Kristin flag of Norway

How implement radio transmitter e receiver example with packet array

Hi,

SDK: nRF5_SDK_12.2.0_f012efa No softdevice Example: nRF5_SDK_12.2.0_f012efa\examples\peripheral\radio\transmitter\pca10040\blank and receiver.

I have running examples perfect, but I need send uint8_t packet[6].

I add in transmitter the timer to send packet ... (more)

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