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  • Hello Min-Ching, What target device are you debugging exactly? Is it on custom hardware or eval board? If custom, do you see the same behaviour on an eval board? OnPoll is called periodically all the time when J-Link does not have to execute other commands. You can find the documentation of this in the monitor mode sources in the example project:…y/monitor-mode-debugging/ If you still get resets even though your watchdog is fed properly, check if there are other ti…

  • Hello, Thank you for your inquiry. If it is a C or C++ library you can use it in Embedded Studio. To use it simply set it in project option additional input files. Best regards, Nino

  • Hello, Please note that this is no support forum so replies from our engineers may be delayed. For more information see my signature. Regarding your J-Link, it appears that this one is defective. I have created a ticket with our sales department and they will answer you via e-mail shortly. To avoid communication over multiple channels this thread will be closed now. Best regards, Nino

  • [SOLVED] processor frequency

    SEGGER - Nino - - General


    Hello, Thank you for your inquiry. The maximum processor frequency is target specific and can be found in the silicon vendors reference manual or data sheet usually. As this question is not SEGGER product specific this thread will be closed now. For information about target specific information we suggest contacting the silicon vendor. Best regards, Nino

  • Hello, Thank you for your inquiry. Could you elaborate what cycle count you are referring to? Currently Embedded Studio does not implement a cycle counter display for RISC-V. If you use a simulator project instead running on actual hardware we display a cycle counter at the bottom as in the simulation we have full control about the execution so we know exactly how many cycles have been run. Best regards, Nino

  • Hello, Quote from cymatics: “However, i was never able to get a successful upload of my code to the processor and get it running. ” This is why we suggest trying it with the Commander first. If you can download and debug in the Commander, J-Link software is OK and the issue lies in the Renesas IDE. Quote from cymatics: “Rev A of my project used an RX210 kit board for development, and it had a JLink OB on it. ” The OB is just a smaller and slower version of the full size J-Links. So if it works w…

  • Hello, Thank you for your inquiry. Quote from cymatics: “I'm really disappointed at the lack of input (and perhaps, concern) from Segger (and Renesas) on this issue. ” Sorry to hear that but you opened the thread out of our office hours with a topic over a probe without support claim, so please understand that we can't come rushing to the rescue within hours as we do for customers that paid for support... To answer your initial questions, we are not aware of any issues. All supported devices are…

  • Hi, If I understand you correctly you are looking to port the RTOS awarness to other IDEs/debuggers? Is that correct? In that case the interfacing with the J-Link library is generic and only a read and write function is called. Everything else is handled in the IDE/debugger itself, like getting symbol information and calculating offsets. For Embedded Studio and Ozone we can use identical plugins. They are .js files and can be found in e.g. the Ozone install directory. The .so approach is the "ol…

  • Hello, Thank you for your inquiry, To move symbols to another location you can use command Project.RelocateSymbols. How to use it is explained in the Ozone user manual. Section "" Scripting Interface shows a sample on how to do it with a bootloader setup. Best regards, Nino

  • Hello, Thank you for your inquiry. The IDE and Ozone use different awareness plug ins than GDBServer. ES: Ozone: Shipped with Ozone. Can be found in Ozone installation folder under Plugins. How to use them is explained in Ozone manual. Best regards, Nino

  • Hello, Thank you for your feedback. Quote from v01d: “I find this is nonsense as far as 'not a support forum' goes. Please look on what is printed on the page inside of my purchased Segger J-Link EDU unit, see photo attached. ” Good catch. The EDU inserts have indeed not been updated yet and can lead to confusion with the "support" given in forum. The forum is and always was a community forum where the community can give each other advice and thus "support". As explained in the forum rules our e…

  • Hi, quick update. Try launching ES with CL option "open -n". This should allow you to open multiple instances of the same app under macOS. Best regards, Nino

  • Hello Lorenzo, Thank you for your inquiry. The reported behaviour was reproducible and we are working on a fix. The issue comes from new access rights management imposed by Catalina which has not been communicated properly by Apple. Anyhow we are sure that we will find a solution soon. For now a quick workaround would be to use different versions of ES at the same time. This does not seem to be blocked by the new macOS access right system. Sorry for any inconveniences caused. To stay up to date …

  • ST-Link On Board feedback

    SEGGER - Nino - - General


    Hello, Thank you for your feedback. We will discuss this internally and improve the tool where needed. Best regards, Nino

  • Hello, Thank you for your inquiry. On the J-Link EDU Mini you will find a 1 printed next to the header. This is the side Pin1 is on. On your cable you will find a red marking. This is also the side where Pin 1 is located. If you match them you should not have any orientation issues. The debugger should not be damaged by flipping the debug interface. The target device might depending on the board design. Best regards, Nino

  • Hi Joe, quick update. The latest J-Link software version should have fixed return values for SetupTarget. Best regards, Nino

  • Hello, Thank you for your inquiry. The App Core is currently not supported as it is not directly accessible via the debug port. Only Com core is supported. Best regards, Nino

  • Hello, This is still *not* at support forum! Please familiarize yourself with the forum rules before posting. Bumping threads will only slow down our answering process as threads with oldest activity will be answered first. So you are really not helping yourself here. If you have a valid support request and are in support period with the affected SEGGER product feel free to open a support request via our official support channels. You can find all needed information in my signature. If your prod…

  • Hello, Thank you for your inquiry. We were able to reproduce the behaviour and are working on a fix. The return value for SetupTarget is indeed not being evaluated at the moment. Sorry for any inconvenience caused. Best regards, Nino

  • Hi Alex, Quote from almost_linear: “Do I need to populate the SEGGER_SYSVIEW_X_GetTimestamp() function instead of using the DWT (0xE0001004) cycle counter on its own? ” This is optional. The cycle counter is usually accurate enough. If I understand correctly you worry about the measurement of 3 us instead of 0.5 us. This is expected. As written on our website the overhead for a RTT write is ~1us. When entering and exiting an ISR you have two write commands. Now put in the mix that some more data…