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  • Hello, Could you please send me a private message with the SN of your Flasher? Best regards, Simon

  • Hello, I just checked, but I was unable to reproduce the issue. I used the example code specified in the README file of the Pylink project, as well as the DSK example code from our knowledge base: Adding a new device (Knowledge Base) Here is the Python source code I used: Python Source Code (13 lines) When I executed this Python code, the J-Link DLL was able to detect the device and successfully connect to it. Could you please share the Python code you are using? Best regards, Simon

  • Hello, 1. If your Flash base address differs from the one specified in the J-Link software, you can change it using a command-line parameter. For more information, please refer to: kb.segger.com/J-Link_Multiple_…er#Command_line_parameter For Ozone, you may need to specify the flash loader in your project file. For further details, refer to section 7.9.15.2, Project.SetFlashLoader (page 333): segger.com/downloads/jlink/UM08025_Ozone.pdf 2. It is possible that a device-specific reset is executed w…

  • Hello, Could you please provide a J-link Log file for both cases? How to enable: wiki.segger.com/J-Link_DLL#Enable_J-Link_Log_File Did you make sure that the same programming procedure was used in both cases? Best regards, Simon

  • Hello, As you have also opened an official support ticket for this issue, we will investigate the matter through the support ticket system. Once a solution is available, we will update this forum thread accordingly. Best regards, Simon

  • Hello, 1. The J-Link currently does not support debugging or programming the Parade Tech TT21100. You may consider adding support yourself using the J-Link Device Support Kit (DSK) or contact SEGGER to implement the support for you. 2. The STM32F2 series from ST is supported by J-Link, but I could not find any documentation on the STM32F28033. Could you provide a link to such documentation? This would allow me to verify if the STM32F28033 belongs to the STM32F2 series from ST and if it is suppor…

  • Hello, The JLinkGUIServer is generally responsible for hosting GUI pop-ups to interact with the J-Link, such as warnings, errors, or dialogs for inputting authentication when the target is protected. We are aware of the issue you reported and have already implemented a fix. The fix will be included in the next version, scheduled for release in the middle of next week. Best regards, Simon

  • Hello, Your assumption that the RTT issue is related to the size of the RTT buffer appears to be correct. I was able to reproduce the issue where J-Scope draws unexpected lines after a short period of time when the RTT buffer size is approximately 30 kB. We will investigate this further and get back to you with updates. Regarding the HSS issue, I was unable to reproduce the behavior using the HSS sample project with a sample rate greater than 100 Hz. Could you please provide the following for fu…

  • Hello, Switching the interface to JTAG in dormant mode is already supported however the corresponding command was previously undocumented. I have added the documentation for this command to our knowledge base. For more information, please refer to: kb.segger.com/J-Link_Command_Strings#SetDormantModeHandling Best regards, Simon

  • Hello, To use RTT on external memory with Cortex-R devices, please refer to the following resources: 1. Information on RTT with RZ/T2L: kb.segger.com/index.php?title=Renesas_RZ/T2L#RTT 2. Cortex-R specific RTT details: kb.segger.com/RTT#Cortex-R_specifics 3. CPU caching and RTT: kb.segger.com/RTT#Cortex-M_specifics Quote: “If the curve is a little bit more complex and the time axis sacle is a little bit more large,the j-scope gui will freeze. ” We will investigate this issue and get back to you …

  • [SOLVED] J-scope protocol

    SEGGER - Simon - - General

    Post

    Hello, J-Scope is actively maintained and updated, so please feel free to request any features you find missing in J-Scope. Currently, the only solution to work with the data stream in J-Scope is to record the variables and then export the data either as a CSV file or as a RAW data stream. Other applications that support the CSV format can then be used to analyze the data. For more information on exporting sampled data, please refer to: kb.segger.com/UM08028_J-Scope#Exporting_Sampled_Data Best r…

  • Hello, Flash Lite only erases sectors that are included in the data file being programmed. If you have enabled config flash but it is not included in your .hex file, Flash Lite will not erase or program this flash when you press the Programming button. However, if you click "Erase Chip," the config flash will be completely erased regardless of whether it is included in your .hex file. >> would J-Flash Lite have erased this area and left it at all-1s, or would it have written all-0s? I ask When t…

  • Hello, Thank you for your inquiry. 1 / 2 We are not aware of these issues. Is the issue also reproducible with the example code in the J-Scope documentation? kb.segger.com/UM08028_J-Scope#Example_code Would you be able to provide the ELF file and J-Scope project for further investigation? 3 We are aware of this issue, and a fix will be available in the next version. Best regards, Simon

  • Hello, You can configure the J-Link DLL to avoid reading specific areas from the cache using the ExcludeFlashCacheRange exec command. For more information, please refer to: kb.segger.com/J-Link_Command_Strings#ExcludeFlashCacheRange EDIT: Additional options that helped in fjouen's case was setting SetEnableMemCache=0 and SetAllowFlashCache=0. Best regards, Simon

  • Hello Benedict, It depends on the device you want to program. You can find a list of all supported devices here: segger.com/supported-devices/jlink/ Best regards, Simon

  • Hello Francisco, Indirect programming via the QSPI controller of the STM32G474 is currently not supported. To program the Flash, you will need a custom flash loader. There are three options for developing a custom flash loader: 1. You may add a custom flash loader yourself with the SEGGER Device Support Kit (DSK). 2. You develop a custom flash loader with the help of the existing flash loaders' source code. 3. SEGGER develops the custom flash loader for you. If you are interested in any of those…

  • Hello, Yes, the STM32L5 series is supported by J-Link. You can find more details here: kb.segger.com/ST_STM32L5 Best regards, Simon

  • Hello, By default, J-Flash skips writing 0xFF to an erased area when the erase value is also 0xFF. You can disable this option by unchecking "Skip Blank Data" under Options -> Project Settings -> Performance. Best regards, Simon

  • Hello, We are aware of this issue and are actively working on a fix. Since it impacts the core handling of symbols, the resolution is more complex and may take some time. However, we are aiming to have the fix ready within the next few weeks. Best regards, Simon

  • Hello, The following links might be helpful: forum.segger.com/index.php/Thr…-SOLVED-RTT-and-FreeRTOS/ wiki.segger.com/RTT#Troubleshooting Best regards, Simon