# 115 questions

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• x
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## SEGGER custom board definition in mesh SDK

I'm using "nrf5_SDK_for_Mesh_v0.9.2-Alpha". And, I build examples using "SEGGER Embedded Studio 3.26a".

Now I want to modify examples for my custom board. In CMake, "-DBOARD_PCA10040" is used for board definition. But, where can I change this ... (more)

45
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2
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## Multiple devices debug in RTT viewer

Hey, is there a possibility to connect two or more devices to RTT viewer?

70
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1

## sample code of nrf51822

Hi.

I bought the nrf51822 kit, and I have questions to ask.

• I know that there are many sample code provided by nordic.

I know that the sample code will run in nRFgo studio.

Can I run this sample code ... (more)

63
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2
2

## gpiote interrupt cannot wake sd_app_evt_wait? [closed]

I have tried to use sd_app_evt_wait() to sleep cpu, and use gpiote interrupt to wake up cpu from sleep. However, gpiote interrupt cannot wake up cpu. When I use __WFE(), gpiote interrupt can wake up cpu. And even if I ... (more)

99
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I am using SEGGER Studio on MacOSx.

When use the latest mesh SDK, I can run the light_control example and see the debug log in the Debug Terminal of SEGGER Studio.

However, when I use BLE SDK 12.3, I ... (more)

40
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## Unable to see NRF_LOG BLE SDK 12.3 [closed]

I am using SEGGER Studio on MacOSx.

When use the latest mesh SDK, I can run the light_control example and see the debug log in the Debug Terminal of SEGGER Studio.

However, when I use BLE SDK 12.3, I ... (more)

328
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2
3

## Segger Embedded Studio(Crossworks). Write data to UICR.

Hello. I am trying to port bootloader project from SDK to SES. But I do not know how to write data to UICR.

Steps what I've done:

1) My nRF52832_xAA_MemoryMap.xml looks like (I've added UICR section):

<code ... (more)

94
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2

## How to capture the screenshot of the data collected on the J-link RTT viewer V5.10n

ru.txtra.txtCan someone help out in this. There is no option to capture the data in RTT. Somehow I am not able to take a screenshot directly from the Windows on my MAC.

96
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## Undefined reference to SEGGER_RTT_printf, why?

HEllo I am having an error saying

Undefined reference to SEGGER_RTT_printf

I have looked into this post and tried it, however I am not able to fix it,I have defined GLOBAL_DEBUG on my preprocessor settings but the linker seems ... (more)

119
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1

## Sniffer not functioning.

ppi.zipHi, I am using radio with ppi to advertize packets as shown in the mainc file attached. Even after allocating the access address of Bluetooth on line 196 as set_address0(0x8E89BED6); and advertizing channel selected as 37 as ... (more)

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## Where can I find a simple example project with nrf52, s132, and segger debugging? [closed]

Preferrably under linux using gcc and the command prompt.

I am most interested in project setup, loading the soft device, and making sure all the core systems are working.

If possible, the example should be with the latest SDK (12 ... (more)

82
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2
1

## Jlink RTT Viewer not detecting Target Device Automatically

Hi,

I installed the latest version of Jlink 6.16f. I connected my nrf52-dk and on opening the RTT viewer, I always need to specify the target device manually instead of it being detected automatically. I am also attaching a ... (more)

74
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1

## Using RTT viewer in SDK 12.2 SES

sdkconfig.txtmainc.txt(/attachment/6fb97103178e9eb2c30302351e63ce8f)Can you please tell whether i follow the the entire tutorial as in the link or just the first step for SDK 12.2 SES. Even if i use the first step, i need ... (more)

150
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1

## Changing unity printf to Segger RTT

I'm wondering if anyone uses unity.c for unit testing and managed to change the print function to segger rtt in order to read the output.

According to unity

By default, Unity prints its results to stdout as it ...
(more)

26
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no

## Sniffer not showing up my device.

Hi, I am using radio with ppi to advertize packets as shown in the mainc file attached.mainc.txt Even after allocating the access address of Bluetooth on line 196 as set_address0(0x8E89BED6); and advertizing channel selected as 37 as ... (more)

62
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## could not connect with RTT

hi team,

i have tried to connect my device with RTT. i could not connect. i just followed the instruction as below link

https://devzone.nordicsemi.com/tutori...

if i insert the function( SEGGER_RTT_WriteString(0, "Hello World!\n"); ) in main ... (more)

68
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1

## How to enable radio interrupts using SDK?

mainc.txt

we can use INTENSET to enable certain events on the radio as in line 460 in mainc file attached. But how to enable this on the radio as a whole. I basically need a couple of events like ... (more)

136
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3

## 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)

87
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## 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)

73
views
1
vote
1

Hello,

I connected the nrf module to jlink as described:

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


136
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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)

148
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## 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)

345
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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)

94
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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)

377
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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

39
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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)

108
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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)

138
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)

133
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no

## 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?

260
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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)

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## Recent blog posts

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