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Questions tagged [openocd]

OpenOCD stands for Open On Chip Debugger and is a program used to debug embedded platforms, mostly via JTAG.

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A JTAG emulator for use with a Hawkboard and OpenOCD?

I'd like to try bare metal ARM programming with the Hawkboard, but the deployment process looks awful. I'm totally new to this, so I could be misunderstanding the instructions, but it appears that I have to use a program called AISgen to convert the…
David Brown
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Investigating Jtag on the Raspberry Pi using OpenOCD (and Bus Pirate)

I bought a Bus Pirate as a cheap way to begin investigating Jtag on a couple chips. I thought the raspberry pi would make for a good test case as it is well documented and has a large support community. I have learned after reading through several…
eh_whatever
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STM32: Booting and fetching vector table from SRAM

I would like to run my program from the SRAM region of the device. It seemed quite clear to me, that I have to perform following steps: Modify the vector table offset register SCB->VTOR (located at 0xE000ED08) to point to the beginning of the SRAM…
Multisync
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STM32F4xx with GDB and OpenOCD bugs

I am developing a program on the STM32F4Discovery board using GCC, GDB and OpenOCD. I can compile everything just fine, but when I start debugging, the program goes straight to the HardFault Handler, instead of going to the Reset_Handler. Also, I…
user3416228
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GDB Connection Timeout

I used to the St-write to burn .bin to the STM32F4 and saw the message which I expected. Now, I hope to understand how GPIO init. Hence, I use OpenOCD and arm-none-eabi-gdb to do that. Here, it is my process. $ minicom $ openocd -f…
Gapry
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openocd on windows invalid command "jtag" with phytec lpc3250 target using an olimex arm-usb-ocd-h jtag dongle

Can someone help me understand an "invalid command name" error with openocd? Some details: openocd 0.7.0 windows binary olimex arm-usb-ocd-h dongle lpc3250 phytec based board Steps I've done: Downloaded file "openocd-0.7.0.7z" from…
minghua
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Eclipse GDB in combination with OpenOCD

I am using eclipse CDT to make software for a stm32f0-discovery i use ST-link to program this controller using usb. A few days ago i got into debugging my chip using OpenOCD6.0.1 i followed this tutorial: debugger tutorial after a few hours i got…
Bart Teunissen
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Do IAR and Keil flash binaries to the target chip using OpenOCD?

I wonder if Keil and IAR use OpenOCD in the background to flash binaries to the target chip. If not, what software do they use in the background?
K.Mulier
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Olimex Lora-STM32WL-devkit + STM32CubeIDE = "Could not verify ST device!" How to check if device is genuine?

Devkit is not recognized as a genuine ST Device! OpenOCD gives: openocd -f interface/cmsis-dap.cfg -c "cmsis_dap_vid_pid 0x15ba 0x0044" -c "transport select swd" -c "adapter speed 1000" -f "target/stm32wlx.cfg" Open On-Chip Debugger 0.12.0…
JeanBonnot
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Reading variables on uC with OpenOCD and GDB

I want to read the content of specific RAM addresses from a microcontroller application via a ST-Link via SWD. For now I do this with command line, but later I want to build a data logger with this. So first I setup the connection to the target with…
Martin
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Executing arbitrary code on-the-fly via gdb on microcontroller target?

Let me try to explain what I'm looking for, as I couldn't find a better wording for the title. Let's say I'm programming an RP2040 microcontroller, and I can establish a debugging session with it using gdb and openocd. (Note that even if I'm…
sdbbs
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How to add arguments to launch.json in VS Code

I am trying to debug the RP2040 using the new picoprobe. When i execute the following command openocd -f interface/cmsis-dap.cfg -f target/rp2040.cfg -c "adapter speed 5000" OpenOCD works without an issue. I just need to add -c "adapter speed 5000"…
varun koganti
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Obtaining output from openocd commands in command line mode?

I am using openocd to debug / flash a Raspberry Pi Pico over a picoprobe. If I just start up openocd as a server, then connect to it with a telnet client, then I usually get some informative feedback from the commands in my telnet session. Example:…
sdbbs
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How to check in my openocd script if flash is protected or not?

Following is the command in my openocd script (not tested) for hifive1-revb board. flash bank spi0 fespi 0x20010000 0 0 0 riscv.cpu.0 0x10014000 How to check in my openocd scriipt if the flash is protected or not before performing any read or write…
RRON
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Debugging for esp8266 through jtag?

I am working on esp8266 - NodeMcu. According to the docs from EspressIf, I couldn't find any documentation about Jtag port in Esp8266, so I think Jtag port is not supported in this chip. However, we can debug esp8266 with Openocd via Jtag port. Here…
Dương Bùi
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