[SOLVED] J-Link EDU cannot connect to target

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  • [SOLVED] J-Link EDU cannot connect to target

    Hi,

    I'm trying to Debug as JLINK EDU on a towerkit for a Kinetis K64 using MCU Xpresso IDE and I get this message everytime I launch a debug session.



    Could not connect to target.
    SEGGER J-Link GDB Server V6.32b Command Line Version
    JLinkARM.dll V6.32b (DLL compiled May 8 2018 18:26:33)
    Command line: -nosilent -swoport 2332 -select USB=260109454 -telnetport 2333 -singlerun -endian little -noir -speed auto -port 2331 -vd -device MK64FX512xxx12 -if SWD -halt -reportuseraction
    -----GDB Server start settings-----
    GDBInit file: none
    GDB Server Listening port: 2331
    SWO raw output listening port: 2332
    Terminal I/O port: 2333
    Accept remote connection: localhost only
    Generate logfile: off
    Verify download: on
    Init regs on start: off
    Silent mode: off
    Single run mode: on
    Target connection timeout: 0 ms
    ------J-Link related settings------
    J-Link Host interface: USB
    J-Link script: none
    J-Link settings file: none
    ------Target related settings------
    Target device: MK64FX512xxx12
    Target interface: SWD
    Target interface speed: auto
    Target endian: little
    Connecting to J-Link...
    $$UserActionStart$$: Terms of use
    $$UserActionEnd$$: Terms of use
    J-Link is connected.
    Device "MK64FX512XXX12" selected.
    Firmware: J-Link V10 compiled Jul 23 2018 09:53:14
    Hardware: V10.10
    S/N: 260109454
    OEM: SEGGER-EDU
    Feature(s): FlashBP, GDB
    Checking target voltage...
    Target voltage: 3.18 V
    Listening on TCP/IP port 2331
    Connecting to target...InitTarget()
    Connect Under Reset
    Connect Under Reset
    InitTarget()
    Connect Under Reset
    Connect Under Reset
    ERROR: InitTarget(): PCode returned with error code -1
    InitTarget()
    Connect Under Reset
    Connect Under Reset
    InitTarget()
    Connect Under Reset
    Connect Under Reset
    ERROR: InitTarget(): PCode returned with error code -1
    ERROR: Could not connect to target.
    Target connection failed. GDBServer will be closed...Restoring target state and closing J-Link connection...
    Shutting down...
    Could not connect to target.

    debug is working with USB but I'm trying to use J LINK
  • Hello,

    Thank you for your inquiry.
    Such an issue is not known to us.
    Does connecting with the J-Link commander work? wiki.segger.com/J-Link_cannot_…nection_is_unsuccessful_2
    Could you provide a J-Link log file of the failed GDB session? wiki.segger.com/Enable_J-Link_log_file

    EDIT: We received your inquiry per e-mail in parallel. Please try to use one communications channel for future inquires so no information gets lost.
    This thread will be closed now.

    Best regards,

    Nino
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