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Questions tagged [st-link]

42 questions
4
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1 answer

why am I getting a communication failure when trying to connect with stlink-v2 using openocd

I'm trying to connect to an 'stm32' 'bluepill' using an stlink-v2 to write some code to it Whenever I run openocd, it fails to connect My openocd.cfg file looks like this source [find interface/stlink-v2.cfg] source [find target/stm32f3x.cfg] when…
Martin
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3
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2 answers

GDB Disconnects when trying to debug via openocd

I'm on windows 10 trying to debug my bluepill (STM32f103C8) board using a stlink, openocd, and vscode. I get this pop up: "OpenOCD GDB Server Quit Unexpectedly. See gdb-server output for more details." And this message in the terminal: Open…
Ed Pizzella
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3
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6 answers

Stm32CubeProgrammer not connecting (no error msg) using ST-LINK V2 dongle and Lora E5 mini board

I've tried countless settings in an attempt to program my stm32 board. The main tutorial I followed is https://wiki.seeedstudio.com/LoRa_E5_mini/. I have connected a USB st-link v2 dongle to my laptop with pins SWDIO, SWCLK, GND correctly wired to…
Cu29p
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3
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1 answer

STM32 not starting after programming with ST-LINK

I did a program using ST-Link debugger on a custom board. The program is working fine. However, when I program the chip using ST-Link utility, the program is not starting without the ST-Link connected. When the ST-Link is connected, the system…
Adrien
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2
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1 answer

st-flash - addr too high (STM32CubeProgrammer works)

I have some hardware that has an STM32 chip in it. I normally use an ST Link/V2 USB programmer and STM32CubeProgrammer to flash the firmware file. In this case, it'a 152KB file with the extension .out. Flashing via STM32CubeProgrammer works fine.…
fistameeny
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2
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0 answers

"No target connected" in ST-Link Debugger after accidentally removing USB connected to computer without safely ejecting

I am using the Nucleo STM32F446RE board and programming in C in the program Keil for a homework project. Before I start writing the code for any project I would always press the 'configure flash tools' option, go into the 'target' tab change my…
Zianne
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0 answers

How to use openocd to debug stm32h745-disco board?

I am using a dual core board stm32h745-disco, which contains cortex-m7 and cortex-m4. When I used openocd to set up the gdb server for the board, $ openocd -f tcl/board/stm32h745i-disco.cfg Info : The selected transport took over low-level target…
Spencer
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0 answers

Cannot access STM32F103 device with stlink

I'm trying to access a STM32F103 device, via a ST-Link V2 programmer, using st-link but I am not able to do so. More specifically, when I connect the ST-Link V2 programmer in my usb port the device starts flashing (hopefully, that means the wiring…
Sidisyom
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1
vote
2 answers

ST-LINK error (DEV_USB_COMM_ERR) after changed back from J-Link to St-link

I was trying to convert St-link to J-link, but after the change I want to check if return to St-link working fine. Unfortunately it doesn't work now. When I am trying to connect with the STM32F769I-Disco I have a message ST-LINK error…
Kamil Hajdukiewicz
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1
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1 answer

ST-Link V2 -- detected as USB mass storage device

I have a "STM32VLDISCOVERY" board (link) that I connected to my Windows PC. This board has an integrated "ST-Link V2" programmer / debugger based on the "STM32F103C8" micro controller which actually communicates with the PC. But this micro…
71GA
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1
vote
1 answer

Olimax STM32-E407 cannot connect over SWD

Good day The problem: I am trying to connect/flash/debug a Olimax STM32-E407 dev board over SWD and I am not able When trying to connect, using CubeProgrammer, I get: "No STM32 Target Found" What I have tried: I have connected a ST-link V3 mini…
Misha
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1
vote
1 answer

How to disable Read Protection Level 2 in stm32l152c series microcontroller?

The STM32 has a read-out protection level 2 feature adjusted from ST-LINK Utility App (Options Bytes) so code cannot be read out via the debug interface (SWD) or any other way. There was an explanation,ST Electronics website. I tried the proposed…
blacksmithh
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1 answer

Cannot connect to target : STlink V3 not connecting to Nucleo Board using SWD

I am using STLink V3 set to program the F103RB Nucleo board using SWDIO interface. The board works fine when connected to PC using the on-board STlink debugger but when I use external STlink device to program it, it says "Can not connect to…
No Man
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1
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2 answers

ST-LINK could not connect to the target

I'm trying to connect to stm32f401rbt6 with st-link utility. The MCU has 6 pins connected, as on the image below. The target is powered by a lab power supply, target GND is connected to the ST-Link GND When I plug it to the computer, st-link utility…
larts
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1
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1 answer

What is use of RX and TX in ST-LINK/V2

I am using ST-LINK/V2. In this module we have 20 pins: Pin 4 RX Pin 6 TX What is the use of RX and TX Pins? Can I use those pins as serial communication(USART) pins? If it is not possible then what is the use of those pins?
Devilal guguloth
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