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I have a PineTime development kit which is a nRF52 chip. I can connect to it with a ST-Link using OpenOCD but not my JLink Plus Compact. I get the following message: LOG: J-Link RTT Viewer V7.80c: Logging started. LOG: Terminal 0 added. LOG: Connecting to J-Link via USB... LOG: Device "NRF52" selected. ERROR: Could not connect to target device. I am using the following connections: [img]https://cdn.discordapp.com/attachments/622348681538043924/1258875347647336531/Bd0jhdh5VHIOAAAAAElFTkSuQmCC.png…

I am trying to power, program, and debug my pinetime devkit board using the seggar jlink through VS Code. I am using the PineTime DevKit. forum.segger.com/index.php/Attachment/5723/ The battery is disconnected as the io, clk, gnd, and vcc are behind it and repacking it and charging it would be difficult if I have to do it regularly. I've been using an STLink which can power it but I don't get print statements of debugging: forum.segger.com/index.php/Attachment/5724/ I purchased the adapter becau…

I have an adapter which converts to 3.3v. I only have 4 connectors on my board. Are saying I should connect them to the segger j-link like this: - swcio -> 7 - swclk -> 9 - vcc -> 19 (using adapter converting from 5v to 3.3v) - gnd -> 4 What do I connect pin 1 on the j-link to?

I have 4 connections on the board SWCIO, SWCLK, VCC, and GND. I currently use the ST-Link V2 which has all 4 pins, one of which is a 3.3v and supplies power to the board. I am trying to do the same with the jlink. If I move the VCC to the vtref from the 3.3v Adaptor pin (19) on the JLink where it is currently connected, the board will not have power. I did this previously and the board did not work. I have tried both: SWCIO (7), SWCLK (9), VCC (1 - Vtref), GND (4) SWCIO (7), SWCLK (9), VCC (19 -…

Ok. I have the adapter but now I'm worried about the battery attached to the board. It was fine with ST-Link v2, but I'm not sure it's ok with the Segger J-Link. Somebody said: "Just to make sure: If you leave the battery connected and supply voltage via the J-Link, the battery may backfeed power into the J-Link." Do I need to disconnect the battery from the board (cut the wires as it's a PineTime DK)?

I got the adapter. Should I disconnect the battery to the board? With the ST-Link v2 it didn't seem to matter but I heard it might here.

I have a PineTime DK with a dead battery and want to supply the board with power, like I do when using the ST-Link V2. There is only a 5v for the JLink. Is there a way to convert the 5v to 3.3v?

It's a 3.3v board, but jlinkexe is showing VTref=0.000V

jlink is in /usr/bin/jlink jlinkexe is in /usr/local/bin/jlinkexe Ok. I ran jlinkexe vs jlink and got this: SEGGER J-Link Commander V7.88 (Compiled Apr 28 2023 08:30:53) DLL version V7.88, compiled Apr 28 2023 08:30:45 Connecting to J-Link via USB...O.K. Firmware: J-Link V11 compiled Mar 28 2023 16:59:55 Hardware version: V11.00 J-Link uptime (since boot): 0d 00h 09m 34s S/N: xxxxxxxxx License(s): RDI, FlashBP, FlashDL, JFlash, GDB USB speed mode: High speed (480 MBit/s) VTref=0.000V Type "conne…

Can I power the board I am using (PineTime DK) from the Segger JLink Plus compact? I have the VTref connected to where the ST-Link V2 3.3v connector was. In that case it provided power and I'm not sure if I can configure the jlkink plus to supply the power. forum.segger.com/index.php/Attachment/5562/ I see this link J-Link Interface Description (segger.com) which states what it does but not if it supplies power to the board: Quote from Segger: “This is the target reference voltage. It is used to…

I am struggling. Sorry. I run jlink in the terminal on my MacBook and get: Error: --output must be specified Usage: jlink <options> --module-path <modulepath> --add-modules <module>[,<module>...] Use --help for a list of possible options When I run with --help I get a list of options but really am not sure which ones to use. jlink --version is 11.0.7 I ran this: nrfjprog -f NRF52 --recover And got this: Recovering device. This operation might take 30s. [error] [ Client] - Encountered error -21: …

How do I test with J-Link Commander?

I just received my J-Link Plus compact and connected it to computer and PineTime DK, but in VS Code using nRF Connect I don't see it listed under Connected Devices. When I unplug it and plug in my nRF52DK and hit refresh the board appears. Whey doesn't the J-Link? I am using VS Code with nRF Connect and trying to connect to a PineTime with a J-Link Plus Compact, but am getting this message in vscode: forum.segger.com/index.php/Attachment/5558/ The connections look like this, which all seem corre…