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Questions tagged [j-link]

For questions related to the Segger J-Link series of JTAG programmer / debuggers.

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Flash and debug of multiple STM32 in JTAG with J-LINK

I have a board where 3 STM32 are connected to a JTAG port. The 3 STM32 are daisy chained. I am using a JLINK EDU Mini with Atollic TrueStudio IDE. One STM32F746 is a master for the two slaves ...
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22 views

SAMD21 - How do I write to NVM fuses?

I'm trying to program the ATSAMD21G18 on Adafruit Feather M0 and over SWD Using a Segger J-Link EDU Nano. When I try to download the program to the chip through Atmel Studio it fails verification at ...
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1answer
53 views

Can I leave SWO/TDO and TDI of J-Link floating?

I'm designing a board with cortex-m4f having only SWDIO and SWCLK. I'm drawing schematics for J-Link's 9-pin JTAG/SWD connector, and I wonder if I can leave the SWO/TDO and TDI pins floating. J-Link'...
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1answer
24 views

Segger J-Link Supply Adapter

I have a microcontroller powered at 1.8V and I break out V_target, SWD, SWCLK, ...
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0answers
23 views

Relationship of openocd to debug options

I recently purchased a Segger jlink pro, and in attempting to make NetBeans talk embedded gdb, I have run across numerous blogs about the use of openocd. My initial understanding is that openocd was ...
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1answer
44 views

sama5 clock and debug issue

I have designed a board that uses the ATSAMA5D225C-D1M (Cortex A5). I have mostly copied the schematic from the ATSAMA5D27-SOM1. I am using a J-LINK PRO adapter. I am using the atmel software ...
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1answer
99 views

GNU MCU Eclipse trouble flashing/debugging code to xmc4800 with JLink

I'm trying to make GNU MCU Eclipse work with my XMC4800 Relax kit. Eclipse compiles the program fine. But when I try to flash or debug the code JLink seems to hang on ...
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1answer
353 views

Debugging iMX6 bare-metal with Segger JLink

I'm attempting to debug a bare-metal application on iMX6UL with Segger JLink Pro. I seem to be able to connect and download the application properly: ...
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1answer
2k views

Converting ST link v2 to Jlink [closed]

Has anyone had any succes with converting a ST link v2 to a Jlink using the software that Segger provides? I have not had any success, even with using instructions they provided and was wondering if ...
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1answer
1k views

DIY a j-link debugger

I want to replicate THIS jlink debugger according to my own needs. But I can't find it's schematics and firmware anywhere. Is illegal to replicate it or distribute it's source? If no, then where can'...
2
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1answer
384 views

segger j-link not connect to STM32F030F4P6

I use segger j-link v8, I believe programmer is true,because I could programmer stm32vldiscovery board with stm32f100rb cpu (by this help) but when I try to connct STM32F030F4P6(TSSOP20) ,it fails.. ...
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55 views

Jlink Commander doesn't find LPC4088 microcontroller on my homemade PCB

I just finished a homemade PCB with a LPC4088 microcontroller and some other components. When I connected my board to the J-link EDU probe over JTAG connector and start Jlink Commander, Cortex-M4 ...
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0answers
483 views

J-Link device selection error in Keil

I try to load a program into STM32L011K4 using J-Link. The mistakes I get and the steps I follow are as follows: PROBLEM-1. J-link could not find STM32L011K4 My Steps: Click options for Target → ...
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1answer
2k views

Unable to enter in Programming mode (AT_Studio)

I've a board with the SAML21E17B uC, when I want to connect/ program it using JLink(edu) and Atmel Studio I get and error message, that the IDE is unable to enter the programming mode any idea what'...
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2answers
162 views

Is there a good solution to connect Segger J-Link to a solderless breadboard?

I am working on a project where I created different prototypes on different solderless breadboards. To program and debug the used MCU using SWD, I just use male jumper wires, from the j-link connector ...
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2answers
803 views

STM32F0 discovery serial

Is there a way to use the TX/RX on the STM32F030 Discovery board? The User's manual says "reserved", but since the Cortex M0 doesn't have an ITM, I'm looking for another way to get data out of this ...
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1answer
133 views

Are there universal ICE tool?

I used to work in team that develop product based on ARM v7 MCU but used to be application programmer. Now I deep into electronics with PIC/AVR/ARM boards as hobbyist. We used Segger J-Link ...
2
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1answer
980 views

J-link CDC serial port driver problem

I have an on board J-link debugger on my Infineon Relax kit. I'm trying to use my J-link as a serial interface to my PC. It requires CDC serial port driver and I have installed it. Problem is that, I'...
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5answers
8k views

Freescale Kinetis KE - writing to flash

I've been using various microcontrollers and microprocessors for many, many years now but I seem to be stymied by the Kinetis KE series (specifically the S9KEAZN64AMLC). Jan 17, 2015 TL;DR: ...
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2answers
2k views

Why doesn't my program execute (work)?

I have bought this board for working on Cortex-M0 series microcontrollers. its MCU is STM32F030F4P6. this is the board: and its schematic: I used STM32CubeMX for configure the MCU and then used MDK-...