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  • Hi Fabian, Ok, I figured out that there was actually an issue on the firmware, that's the warning. The warning was cleared as the issue was fixed. But still some times I've got warnings and when I hover the mouse above the warning symbol there is no pop up message. This is not happening always, so its difficult to reproduce it. Thanks anyway, you can close the thread. Nick

  • Hi everyone, There are times that I can see warnings on SEGGER IDE but I cannot read the context of the warning. For example, at image attached, there is a warning but even if I hover the mouse over the warning there isn't any pop up message. This is not happening always.. Any suggestions? Nick

  • Thank you Fabian, You can close this thread.

  • Ok I figured out what was going wrong, I was compiling in release mode After switching to debugging mode everything was fixed!! I lost two hours of searching yesterday [img]https://cboard.cprogramming.com/images/smilies/biggrin.png[/img] but that was I good lesson since now I have a clearer view of release and debugging modes. So in general while developing a firmware you have to compile in debugging mode and as soon as you're ready to flash the firmware to the target you have to compile into re…

  • Hi everyone, I am trying to learn the basics of debugging using SEGGER. I am using a very simple blinky example to start learning debugging. I have declare and initialize two variables x & y. When I run the debugger and use the "watch" window to monitor the value of each variable, I can see the y variable but neither the x or i variables.. It sais "symbol not found" as shown on screenshot_69 The strange thing is that if I initialize x=0 then I can see the x variable on "watch" window as shown on…

  • Hi Nino, You're right!! While I am adding variables in non_init() section, the end address and the size are modified accordingly!! I learned lot of things, thanks!! Nick

  • Thank you very much Nino, it works perfect!! However I tried the same approach to find the __non_init_end__ address and the __non_init_size__ but the __non_init_size__ = 0x0 The address range of .non_init section is dynamic? So, I suppose that there aren't any variables stored at .bss? That's why the __non_init_size__ is 0? I found that the start address of __non_init_start__ is 0x200006E4. This means that the first variable that I will add to the section .non_Init will have the address 0x200006…

  • Hi everyone, I am new to this and I need your advice and help. I am using Segger IDE to develop an aplication along with Nordic's SDK. I have to retain the value of one variable and do not be initialized after system reset. In order to achieve this I have to put RAM in retention and also to place my variable into a special program section in order to avoid initialization after reset. Digging around I found that in order to achieve this I have to add this variable into a program section called .n…

  • Thank you for your advice Fabian, At the moment we have the nRF52840 DK with OB SEGGER J-Link for company use. I will keep the J-Link EDU mini for personal/hobbyist at home usage. Best Regards Nick

  • Thank you Fabian for you responce, Following the J-Link connection guide I figured out that I was using (didn't notice) a mini USB cable that was intended for charging only (no data transfer). Now everything works fine. By the way, I've bought the J-Link EDU mini to be familiarized with the J-Link devices (I didn't have any experience in the past) Nick

  • Hi everyone, I've purchached the J-Link EDU mini because I needed for flashing the nRF52840 module. I am new here and I need some guidance. First of all I suppose that I have to update the firmware on the J-Link isn't it? So, I downloaded the J-Link Software and Documentation pack for Windows (I am windows user) from this page. Then following this guide I open the J-Link configurator to update the firmware. The problem is that when I connect the J-Link on my PC through USB the build in green LED…