# 99 questions

Tagged
• x
53
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no
2

## time synchronization across different nodes in a mesh network, single hop as well as multi hop.

I am working on time synchronizations between different nodes in a mesh network. I have earlier worked on the radio and the ppi examples given. I wish to generate time stamps at each send and receive events between two different ... (more)

58
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no

## nRF51822-QFAA Flash Programming Error with Flasher Portable Stand Alone mode

Tried Flasher Portable Stand-Alone Mode with J-Flash 6.14 as following:

1. Create .jflash Project for nRF51822-QFAA
2. Open Data .Hex File
3. From J-Flash, select Target | Production Programming to program nRF51822-QFAA with Flasher Portable.
(more)

52
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1
vote
1

Hello,

I connected the nrf module to jlink as described:

• vdd(nrf)-----3.3V
• gnd(nrf)-----gnd


67
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2
1

## nrf52832 not being recognized by keil, Segger, nrfGo

Whenever I try to flash the device in keil, I get a no Jlink device found. I get a similar message when trying to connect to the device via Segger. nrfGo Studio just does not show the device.

The development ... (more)

106
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no

## While building the beacon example in segger studio, it shows the error: invalid storage class for functions 'is diabled in debug needed', ' is_manual_peripheral_setup_needed', 'is_peripheral_domain_setup_needed in system_nrf51.c. How to fix this?

• Redistribution and use in source and binary forms, with or without
• modification, are permitted provided that the following conditions are met:

* * Redistributions of source code must retain the above copyright notice, this ...

(more)

185
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1
vote
1

## sd_ble_enable returns NRF_ERROR_NO_MEM

Hi, I am working on the examples\ble_peripheral\ble_app_uart sdk 12 example on SES.

I was first setting:

FLASH_START=0x1B000
SRAM_START=0x20001EB0


Then tried with app_ram_base value, which is:

FLASH_START=0x1B000
SRAM_START=0x20001FE0


In both cases the function sd_ble_enable returns ... (more)

74
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## What is the best way to merge two existing examples with SEGGER Embedded studio?

Hello,

I was wondering what is the best option/way to merge two functionalities which are developed in different examples of the nRF52 sdk12.2.

For instance, I would be interested on mergin into one project the ble_app_beacon_pca10040s132 and the ... (more)

178
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1
vote
1

## SEGGER_RTT works but NRF_LOG not

Hi, can you help me out please: I have followed https://devzone.nordicsemi.com/questi... and have configured as it shows.

But NRF_LOG_INFO does not work however SEGGER_RTT_printf does. What should i do? Thanks

33
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1

## Segger for Mac Copy Keil Project to Start

I am using Segger for Mac. I followed the tutorial on importing a Nordic example from the Nordic SDK 12.0 examples folder. It is the UART BLE Peripheral Example.

I got it all working and now want to start ... (more)

65
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2
3

## SEGGER Embedded cannot initialize nfr52 SoftDevice

Hello,

I have tried to debug ble_app_uart_pca10040_s132 application included in nordic SDK12.2 with Segger Embedded studio v3.12, but even though I don't get error while compiling, I cannot debug that application since SEGGER seems to have issues ... (more)

55
views
1
vote
1

## What are the right memory mapping for nrf52 & SEGGER Embedded Studiov3?

HEllo,

I am trying to compile for the nrf52 one of the examples that are included in its SDK12.2, to be precies, I am using experimental_ble_app_blinky_pca10040_s132, I have been able to compile it with KEIL but now I would ... (more)

87
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## nRF52 DK - J-Link/USB LED definition

What are the states of the bi-color LED (LD5) on the DK?

I'm aware that solid green is enumerated and 10Hz blinking is not enumerated (or power-only). Do the other states follow the Segger J-Link guide, section 5.2.1.2?

140
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5
1

## SEGGER RTT printf not printing all the lines.

I want to read whole flash memory using for loop and see how long it takes. What i have noticed is that it does not print all the lines. On the other side i ask myself: Does it read all ... (more)

412
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4

## Segger Embedded Studio settings?

Hi, I'm porting an older application from Keil to SES. I'm using soft device S110 7.1 and the nRF51822ac.

Help in setting up SES FLASH and RAM would be most appreciated!

Thanks!

2k
views
11
2

## Segger Embedded Studio -UNPLACED_SECTIONS' problem

Hello,

I try to start developing my nrf51/nrf52 projects using Segger Embedded Studio but each time I receive the same linker error:

"(...) section fs_data' will not fit in regionUNPLACED_SECTIONS'"

In my case fds.c or fstorage.c is ... (more)

888
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no

## Problem with nrfjprog and SEGGER JLink v6.12f

This is no a question, but i was not sure where to post it.

I was trying to use the nrfjprog command with the new version of SEGGER JLink, but the terminal output was "Violacion de segmento", in English something ... (more)

120
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no

## Pairing/bonding with ble_app_template example not working for me

Hi,

I just recently got into designing Bluetooth devices and I am experimenting with NRF51822 and BLE400 board. I managed to compile and upload the examples from SDK 11.0.0 to the device with SEGGER Embedded Studio and I ... (more)

107
views
1
vote
1

## Where to specify the output file for the build on Embedded Studio

Where is the output Hex file for building the project on Segger Embedded Studio?

214
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2
1

Dear Nordic Support Team,

In a recent news received by email regarding a new version of "nRF5x Command line tools v9.2.1", it is written that Nordic does not recommend to use last version of JLINK 6.12.

For ... (more)

55
views
1
vote
no

## NRF52832 COMP and Timer error from removing SEGGER debugger

When I program the board the COMP and Timers work fine. Upon removing the debugger and resetting the board it also works fine. But if I subsequently power off the board and power it up again. The board behaves weird ... (more)

167
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3
2

## nrfjprog supported SWD devices

I'm trying to flash the nrf52832 with a SWD debugger called Atmel Ice. As a reference, I have the Laird BL652 dev board.

I was planning on flasihg the nrf52832 by using the nrfjprog on Linux.

It seems that ... (more)

57
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no
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## Hardfault Compiler error on nRF52 ANT Broadcast Tx example

Hi, I am trying to compile the ANT Broadcast Tx Example from the latest nRF5 SDK v12.1.0 (../examples/ant/ant_broadcast/tx), but I get the following 3 error messages with an unmodified example code:

Compiling hardfault_handler_keil.c

• expected ...
(more)

64
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2
1

## Program the nRF5x-DK while using the Power Profiler Kit

I have one of the new Power Profiler Kits, and it works really well (well done!). The only problem is I can't reprogram the dev kit while it is connected to the Power Profiler. If I try to it ... (more)

72
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1
vote
1

## RTT logging not happening with softdevice code

Hi,

NRF_LOG_PRINTF() is working fine with peripheral examples in SDK11. but when I try to do the same in ble_peripheral examples it is not working. I have defined the following BLE_STACK_SUPPORT_REQD NRF_LOG_USES_RTT=1 BOARD_PCA10040 NRF52_PAN_12 NRF52_PAN_15 NRF52_PAN_20 NRF52_PAN_30 NRF52_PAN_31 NRF52_PAN_36 ... (more)

263
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1
vote
2

## right way to log SEGGER RTT output into file

how can I store outputs sent from JLINK SEGGER_RTT to a file?

how can I send data on RTT channel 1, is there any instruction for that?

/** loop */
sprintf (buffer, "%d;%d;%d;%d;%d;%d;%d;%d;%d\n ...
(more)

37
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no

## How to use two JLink's in macOS at the same time?

Hello,

I have a PCA10028 that I want to use as a sniffer using the NRF Sniffer firmware. I tested it in macOS and it's working. The problem is that I also want to connect to a custom board ... (more)

167
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no
no

## Timestamp added when using NRF_LOG_RAW_INFO

Hi,

documentation for NRF_LOG_RAW_INFO state that it is:

A macro for logging a formatted string without any prefix or timestamp.

But when I use next code snippet with logging via Segger RTTT, it adds timestamps:

NRF_LOG_INFO("Q: " NRF_LOG_FLOAT_MARKER " " NRF_LOG_FLOAT_MARKER " " NRF_LOG_FLOAT_MARKER ...
(more)

615
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1
vote
1

## Undefined reference to SEGGER_RTT_printf

I am trying to use SEGGER_RTT_printf with SDK12 in eclipse.

I have added the appropriate lines to the makefile and SEGGER_RTT_WriteString works fine.

My Makefile lines:

SRC_FILES += \
$(SDK_ROOT)/external/segger_rtt/RTT_Syscalls_GCC.c \$(SDK_ROOT)/external/segger_rtt/SEGGER_RTT.c \
\$(SDK_ROOT)/external/segger_rtt ...
(more)

112
views
1
vote
1

## How to find the file pointed by p_file_name in app_error_handler?

I'm running app_error_handler with

SEGGER_RTT_printf(0,"\nerr_code %d on line %d file %d",error_code,line_num, p_file_name);
`

to print out what went wrong and where. Now, I find this an amazing tool in debugging issues with SoftDevice, but I have ... (more)

942
views
1
vote
1

## SDK12 and FDS

Hello

We are about to move an old design based on the NRF51 to the more powerfull NRF52. In this context we would like to use some of the new API’s that has been introduced in the latest SDK ... (more)

#### Statistics

• Total users: 20224
• Latest user: Akilah Hardwicke
• Resolved questions: 9439
• Total questions: 22432

## Recent blog posts

• ### The complete tutorial for developing and debugging nRF52 applications on a Mac

Posted 2017-05-11 04:13:06 by Mohammad Afaneh
• ### Bluetooth 5 2Mbps Demo with nRF52 Series and Samsung Galaxy S8

Posted 2017-05-09 14:20:22 by John Leonard
• ### Setting up Segger on a mac or pc and debug - step by step for humans

Posted 2017-05-05 14:03:35 by Lola

Posted 2017-04-11 11:49:17 by Radosław Koppel
• ### Taking a deeper dive into Bluetooth 5

Posted 2017-04-07 14:53:51 by John Leonard

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Posted 2017-05-28 00:40:13 by Andrew Kohlsmith
• ### Is Zephyr I2c Master Supported pca10040

Posted 2017-05-27 23:21:37 by gidjit
• ### Throughput of ble_app_uart

Posted 2017-05-27 19:14:00 by mansfield