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A family of Eclipse CDT extensions and tools for GNU ARM & RISC-V development. SEGGER provided an upgrade path. Pcd magic serial of hollywood free. With this cable it is possible to connect to the ST board with an external J-Link probe, to program the flash and run debugging sessions. Last modified on Mon Jul 17 21: UTC. In our minds, we have always seen SEGGER debugging solutions like a professional but costly tools: a debugger to perform advanced operations but definitely too much for a student. Some time ago we heard about a new version of SEGGER, the J-Link EDU, which is cheaper and addressed virtually to us. It started to take shape the idea of using it as external debugger for these ARM evaluation kit.
You can buy a Segger JTAG J-Link clone for few USD on, aliexpress, dx.If you try to update its firmware with the official Segger tool, you'll brick the probe.Don't worry, smart people have already put a checklist to restore a working firmware and even update it to the latest official version. I just put all the needed info into one single page.Unbrick itTo restore the firmware, you need to follow the instruction from The best part? It works from Linux.For the step 9, you'll need the binary image to flash; use that one. It's from the same forum than above but without password and without additional useless.exe files. Download and install SAM-BA package from atmel.com.
Open the j-link case by gently popping the plastic edge near the jtag or usb ports. Identify the ERASE (pin 50) / TST (pin 40) jumpers/pins. Short ERASE jumper to pull-high and connect the jlink to usb; wait for a minute and disconnect usb. You need to change the serial number or you will get this error message about the device being 'defective'.
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I highly suggest that you DO NOT upgrade the firmware to a newer version until you first establish your own unique serial number (one that hasn't been 'blacklisted'). Only then will you be guaranteed success.To do that you use the 'J-Link Commander' program. The serial number is NOT stored in the binary firmware file. It gets stored in the EEPROM of the SAM7S64 chip.
The newer J-Link DLLs will cause the 'error message' if they see a serial number hasn't been set or if the serial number is one that is known to be used for 'fake' devices.You use the 'J-Link Commander' to set the serial:1) Start J-Link Commander.2) At the prompt, enter (without the quotation marks): 'Exec SetSN = xxxxxxxx'. Choose an eight digit number, in place of the 'x's in that command, perhaps something in the range of 37000000 to 45000000 range.3) Hit enter so it stores that in your j-link device.4) Exit J-Link Commander (type: 'exit' and hit ).5) Run J-Link Configurator and upgrade the firmware. You should see the serial number that you set from now on (not -1 and )!
Now your device should work without problems.I wasted a lot of time trying to inject serial numbers into the binary firmware file. It doesn't live there and I hope that you don't end up losing a lot of time doing the same.P.S. There is a lot of different methods found online to erase the Atmel chip in the j-link. Atmel has their procedure for erasing the chip and restoring the bootloader. This is how it should be: Power the device.
Put the ERASE jumper on. Wait at least one second. Remove power.
Now, with the power OFF remove the ERASE jumper and instead apply the TST jumper instead. Power the device and WAIT AT LEAST 10 SECONDS (the bootloader is being transferred internally in the chip at this time). Remove power. Now remove the TST jumper.
Now when connected to your computer, the device should show up as a device that the ATMEL Sam-ba program can talk to.This will be the best way to start fresh, so you can load the old (2009) firmware that allows for an upgrade. Again, remember to only attempt the upgrade to a newer version of j-link firmware AFTER you have established your own, new Serial Number.!!
One other thing that I forgot to mention. It is probably necessary to use a binary file editor and change the 'old' firmware (2009 version) so that the string 'GDBFull' is altered. I substituted four space characters in place of the 'Full' part and it worked.
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Seems like others used all-caps for the rest of 'Full' instead (result: GDBFULL). It could be that the upgrade process will key on the lower case version and know that it 'isn't proper'.!?Pierre, I would like to suggest that you post a binary file with the string edited to be GDBFULL or just GDB instead of the file that is there now. It would make it easier for everyone downloading that by removing the steps needed to edit the file.! Regardless, ENORMOUS THANKS for providing the file that is there currently!!!!!