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# 15 questions

Tagged
• x
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## Radio events clock

Hi, I'm doing some measurement on the radio peripheral of the nRF52840 using the generated events and a timer which is set to run at 16MHz. Radio events and Start/Capture Tasks of the timer are managed through the ... (more)

68
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## DK to DK using SWD [closed]

I have looked and looked and it may be out there but I haven't found it.
The goal is to use one DK 840 to program another DK840 using the SWD port on the RX side and using the ...
(more)

61
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## Is it possible to advertise more than 31 bytes of data using S140 SoftDevice version 5.0.0-3.alpha?

I'm using the with SDK version 13.1.0 along with S140 SoftDevice v 5.0.0-3.alpha and trying to utilize the Bluetooth 5 Extended Advertising feature.

The function ble_advdata_set() limits the data size to BLE_GAP_ADV_SR_MAX_LEN_DEFAULT which is ... (more)

87
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## What is the best IDE for development on NRF52840 board ?

I need to read analog output from the pin . Is there any additional hardware required for this?

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## Program not pairing/bonding and pm_evt_handler never called

Using SDK13

I have a Central program and I included the peer manager code from ble_app_hrs_c but I am having issues after connecting to another dev kit with Peripheral code running on it. It seems that the pm_evt_handler function is ... (more)

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## I want to read analog voltage applied to pin on nrf52840. Please help

Is there any simple way of reading analog values from pin. Setting up SAADC is giving too much of errors like command line action failed or any variable is undeclared whose header file is correctly included

51
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1
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## sd_flash_page_erase(0x40) returns NRF_ERROR_FORBIDDEN with s140 5.0.0-3.alpha

I ran into an odd issue on nRF52840 using s140 version 5.0.0-3.alpha. My application erases and writes to a region of flash.

I've found that I'm able to erase the pages before and after address ... (more)

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## Getting stuck in an infinite loop in app_error_save_and_stop() function because of a NO_MEM error [closed]

#define BLE_UUID_OUR_SERVICE                0xABCD // Just a random, but recognizable value

typedef struct
{
uint16_t    service_handle;     /**< Handle of Our Service (as provided by the BLE stack). */
}ble_os_t;

ble_os_t ourService;

static ble_uuid_t m_adv_uuids[] = {{BLE_UUID_DEVICE_INFORMATION_SERVICE, BLE_UUID_TYPE_BLE}}; /**< Universally unique service identifiers. */

{
ret_code_t ...
(more)

58
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1
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1

## Eclipse compiled hex file smaller than included hex

I've managed to overcome all the quirks in setting up Eclipse/gcc development with the nRF52 PDK (PCA10056), and I can build the sample projects just fine. Here's my issue: If I compile and load the "blinky" example ... (more)

89
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2

## nrfjprog not working with PCA10056?

Hi, I'm using the nRF52840 preview DK (PCA10056) and trying to erase and program a board using command line tools, particularly nfrjprog. I'm running this on MacOS (OS X)... I have DK PCA10056 V0.9.0. I note ... (more)

68
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3
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## Radio Timeslot API in S140

Hi, if I got it right, the Radio Timeslot API is not supported by the S140 softdevice. Is this right? Why is this and are there any plans to support the API in later versions of the softdevice?

TIA, Torsten

78
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3
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## GATTS table size - inconsistant RAM start

Hello,

I am developing a profile which includes 39 characteristics spread over 4 services on nRF52840/SD140/SDK13. When I add one too many, sd_ble_gatts_characteristic_add() returns NRF_ERROR_NO_MEM. Reading upon this issue led me to believe that I could simply tweak ... (more)

153
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1
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1

## s140 nrf52840 freeRTOS

Hi Engineers!

does new s140 nrf52840 support freeRTOS like s132 does ?

Thanks!

49
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1
vote
1

## SDK13.0 - nrf_strerror.c: No such file or directory

Hi, I am currently going through the GCC and Eclipse tutorial. Now I struggle to compile the project.

I installed the blinky project (nRF5_SDK_11.0.0_blinky_blank_pca10040.zip) and I replaced the makefile in armgcc by the original SDK13 example makefile ... (more)

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## The number of Central connections in s140

Does SoftDevice v 140 increase the number of Central connections according to the v 132 (8 ones)?

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